./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ntdrivers/diskperf.i.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdab87e9-dc8b-4f68-b386-90c38eb8b9ac/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdab87e9-dc8b-4f68-b386-90c38eb8b9ac/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdab87e9-dc8b-4f68-b386-90c38eb8b9ac/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdab87e9-dc8b-4f68-b386-90c38eb8b9ac/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ntdrivers/diskperf.i.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdab87e9-dc8b-4f68-b386-90c38eb8b9ac/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdab87e9-dc8b-4f68-b386-90c38eb8b9ac/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ab726a473f6c04dd764d313dbb24ea777126388718edbc0b40477fad14a8692b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:58:45,178 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:58:45,305 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdab87e9-dc8b-4f68-b386-90c38eb8b9ac/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:58:45,317 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:58:45,318 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:58:45,361 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:58:45,362 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:58:45,363 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:58:45,364 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:58:45,369 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:58:45,371 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:58:45,371 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:58:45,372 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:58:45,374 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:58:45,375 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:58:45,375 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:58:45,376 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:58:45,376 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:58:45,377 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:58:45,378 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:58:45,378 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:58:45,379 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:58:45,379 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:58:45,380 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:58:45,380 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:58:45,382 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:58:45,382 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:58:45,383 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:58:45,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:58:45,384 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:58:45,385 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:58:45,386 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:58:45,386 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:58:45,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:58:45,387 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:58:45,387 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:58:45,388 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:58:45,388 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:58:45,388 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:58:45,389 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_bdab87e9-dc8b-4f68-b386-90c38eb8b9ac/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdab87e9-dc8b-4f68-b386-90c38eb8b9ac/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab726a473f6c04dd764d313dbb24ea777126388718edbc0b40477fad14a8692b [2023-11-19 07:58:45,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:58:45,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:58:45,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:58:45,730 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:58:45,731 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:58:45,732 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdab87e9-dc8b-4f68-b386-90c38eb8b9ac/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ntdrivers/diskperf.i.cil-2.c [2023-11-19 07:58:48,910 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:58:49,511 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:58:49,514 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdab87e9-dc8b-4f68-b386-90c38eb8b9ac/sv-benchmarks/c/ntdrivers/diskperf.i.cil-2.c [2023-11-19 07:58:49,554 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdab87e9-dc8b-4f68-b386-90c38eb8b9ac/bin/uautomizer-verify-uCwYo4JHxu/data/0ef007fab/b1efd9e92e4a4e96b2184e403f243826/FLAGa7bd870a8 [2023-11-19 07:58:49,575 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdab87e9-dc8b-4f68-b386-90c38eb8b9ac/bin/uautomizer-verify-uCwYo4JHxu/data/0ef007fab/b1efd9e92e4a4e96b2184e403f243826 [2023-11-19 07:58:49,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:58:49,580 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:58:49,582 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:58:49,582 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:58:49,589 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:58:49,590 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:58:49" (1/1) ... [2023-11-19 07:58:49,591 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47908cd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:49, skipping insertion in model container [2023-11-19 07:58:49,592 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:58:49" (1/1) ... [2023-11-19 07:58:49,712 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:58:50,482 WARN L240 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_bdab87e9-dc8b-4f68-b386-90c38eb8b9ac/sv-benchmarks/c/ntdrivers/diskperf.i.cil-2.c[84365,84378] [2023-11-19 07:58:50,829 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:58:50,924 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:58:50,935 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,8) [14] [2023-11-19 07:58:50,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [15] [2023-11-19 07:58:50,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [175] [2023-11-19 07:58:50,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [181] [2023-11-19 07:58:50,938 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [403] [2023-11-19 07:58:50,938 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [456] [2023-11-19 07:58:50,938 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,1) [475] [2023-11-19 07:58:50,938 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [476] [2023-11-19 07:58:50,939 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [1149] [2023-11-19 07:58:50,939 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1322] [2023-11-19 07:58:50,939 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,1) [1365] [2023-11-19 07:58:50,939 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1366] [2023-11-19 07:58:50,940 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,1) [1367] [2023-11-19 07:58:50,940 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1368] [2023-11-19 07:58:50,940 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,1) [1369] [2023-11-19 07:58:50,941 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1370] [2023-11-19 07:58:50,941 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,1) [1371] [2023-11-19 07:58:50,941 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1372] [2023-11-19 07:58:50,941 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,1) [1373] [2023-11-19 07:58:50,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1374] [2023-11-19 07:58:50,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,8) [1375] [2023-11-19 07:58:50,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1376] [2023-11-19 07:58:50,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,8) [1377] [2023-11-19 07:58:50,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1378] [2023-11-19 07:58:50,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,8) [1467] [2023-11-19 07:58:50,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1468] [2023-11-19 07:58:50,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [1471] [2023-11-19 07:58:50,944 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1472] [2023-11-19 07:58:50,944 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [1473] [2023-11-19 07:58:50,944 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1474] [2023-11-19 07:58:50,944 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,1) [1475] [2023-11-19 07:58:50,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1476] [2023-11-19 07:58:50,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [1483] [2023-11-19 07:58:50,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1484] [2023-11-19 07:58:50,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [1485] [2023-11-19 07:58:50,946 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [1486] [2023-11-19 07:58:50,946 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [1487] [2023-11-19 07:58:50,946 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1493] [2023-11-19 07:58:50,946 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1494] [2023-11-19 07:58:50,947 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [1516] [2023-11-19 07:58:50,947 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [1517] [2023-11-19 07:58:50,947 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [1518] [2023-11-19 07:58:50,947 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [1530] [2023-11-19 07:58:50,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [1538] [2023-11-19 07:58:50,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4164) [1539] [2023-11-19 07:58:50,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma function(_enable) [1540] [2023-11-19 07:58:50,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma function(_disable) [1541] [2023-11-19 07:58:50,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [1542] [2023-11-19 07:58:50,951 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1543] [2023-11-19 07:58:50,951 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1544] [2023-11-19 07:58:50,951 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1545] [2023-11-19 07:58:50,951 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1546] [2023-11-19 07:58:50,951 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1603] [2023-11-19 07:58:50,952 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1604] [2023-11-19 07:58:50,952 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4200) [1709] [2023-11-19 07:58:50,952 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(default:4200) [1710] [2023-11-19 07:58:50,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1732] [2023-11-19 07:58:50,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1733] [2023-11-19 07:58:50,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1734] [2023-11-19 07:58:50,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1735] [2023-11-19 07:58:50,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1736] [2023-11-19 07:58:50,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1737] [2023-11-19 07:58:50,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1738] [2023-11-19 07:58:50,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1739] [2023-11-19 07:58:50,955 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1740] [2023-11-19 07:58:50,955 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1741] [2023-11-19 07:58:50,955 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4200) [1745] [2023-11-19 07:58:50,955 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(INIT,DriverEntry) [2104] [2023-11-19 07:58:50,956 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,DiskPerfAddDevice) [2105] [2023-11-19 07:58:50,956 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,DiskPerfDispatchPnp) [2106] [2023-11-19 07:58:50,956 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,DiskPerfStartDevice) [2107] [2023-11-19 07:58:50,956 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,DiskPerfRemoveDevice) [2108] [2023-11-19 07:58:50,957 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,DiskPerfUnload) [2109] [2023-11-19 07:58:50,957 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,DiskPerfWmi) [2110] [2023-11-19 07:58:50,957 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,DiskperfQueryWmiRegInfo) [2111] [2023-11-19 07:58:50,957 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,DiskPerfRegisterDevice) [2112] [2023-11-19 07:58:50,958 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,DiskPerfSyncFilterWithTarget) [2113] [2023-11-19 07:58:50,958 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [3176] [2023-11-19 07:58:50,958 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [3177] [2023-11-19 07:58:50,958 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [3178] [2023-11-19 07:58:50,958 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [3179] [2023-11-19 07:58:50,959 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [3180] [2023-11-19 07:58:50,959 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [3181] [2023-11-19 07:58:50,959 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [3182] [2023-11-19 07:58:50,959 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [3183] [2023-11-19 07:58:50,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [3184] [2023-11-19 07:58:50,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [3185] [2023-11-19 07:58:50,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4164) [3186] [2023-11-19 07:58:50,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma function(_enable) [3187] [2023-11-19 07:58:50,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma function(_disable) [3188] [2023-11-19 07:58:50,961 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [3189] [2023-11-19 07:58:50,961 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [3190] [2023-11-19 07:58:50,961 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [3191] [2023-11-19 07:58:50,961 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [3192] [2023-11-19 07:58:50,962 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [3193] [2023-11-19 07:58:50,962 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [3194] [2023-11-19 07:58:50,962 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [3195] [2023-11-19 07:58:50,962 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4200) [3196] [2023-11-19 07:58:50,962 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(default:4200) [3197] [2023-11-19 07:58:51,020 WARN L240 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_bdab87e9-dc8b-4f68-b386-90c38eb8b9ac/sv-benchmarks/c/ntdrivers/diskperf.i.cil-2.c[84365,84378] [2023-11-19 07:58:51,140 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:58:51,305 WARN L675 CHandler]: The function swprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:58:51,315 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:58:51,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:51 WrapperNode [2023-11-19 07:58:51,316 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:58:51,318 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:58:51,318 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:58:51,319 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:58:51,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:51" (1/1) ... [2023-11-19 07:58:51,411 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:51" (1/1) ... [2023-11-19 07:58:51,513 INFO L138 Inliner]: procedures = 126, calls = 845, calls flagged for inlining = 21, calls inlined = 19, statements flattened = 2803 [2023-11-19 07:58:51,514 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:58:51,514 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:58:51,514 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:58:51,515 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:58:51,525 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:51" (1/1) ... [2023-11-19 07:58:51,525 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:51" (1/1) ... [2023-11-19 07:58:51,544 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:51" (1/1) ... [2023-11-19 07:58:51,544 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:51" (1/1) ... [2023-11-19 07:58:51,668 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:51" (1/1) ... [2023-11-19 07:58:51,702 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:51" (1/1) ... [2023-11-19 07:58:51,727 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:51" (1/1) ... [2023-11-19 07:58:51,741 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:51" (1/1) ... [2023-11-19 07:58:51,766 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:58:51,767 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:58:51,768 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:58:51,768 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:58:51,768 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:51" (1/1) ... [2023-11-19 07:58:51,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:58:51,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdab87e9-dc8b-4f68-b386-90c38eb8b9ac/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:51,800 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdab87e9-dc8b-4f68-b386-90c38eb8b9ac/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:51,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdab87e9-dc8b-4f68-b386-90c38eb8b9ac/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:58:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:58:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:58:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:58:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:58:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2023-11-19 07:58:51,849 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2023-11-19 07:58:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfSendToNextDriver [2023-11-19 07:58:51,850 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfSendToNextDriver [2023-11-19 07:58:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2023-11-19 07:58:51,850 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2023-11-19 07:58:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfAddCounters [2023-11-19 07:58:51,850 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfAddCounters [2023-11-19 07:58:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 07:58:51,850 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 07:58:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedDecrement [2023-11-19 07:58:51,851 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedDecrement [2023-11-19 07:58:51,851 INFO L130 BoogieDeclarations]: Found specification of procedure IoWMIRegistrationControl [2023-11-19 07:58:51,851 INFO L138 BoogieDeclarations]: Found implementation of procedure IoWMIRegistrationControl [2023-11-19 07:58:51,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:58:51,852 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2023-11-19 07:58:51,852 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2023-11-19 07:58:51,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:58:51,852 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:58:51,853 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2023-11-19 07:58:51,853 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2023-11-19 07:58:51,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:58:51,853 INFO L130 BoogieDeclarations]: Found specification of procedure swprintf [2023-11-19 07:58:51,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:58:51,854 INFO L130 BoogieDeclarations]: Found specification of procedure KeQuerySystemTime [2023-11-19 07:58:51,854 INFO L138 BoogieDeclarations]: Found implementation of procedure KeQuerySystemTime [2023-11-19 07:58:51,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:58:51,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:58:51,854 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2023-11-19 07:58:51,854 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2023-11-19 07:58:51,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:58:51,854 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfIrpCompletion [2023-11-19 07:58:51,855 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfIrpCompletion [2023-11-19 07:58:51,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:58:51,855 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfLogError [2023-11-19 07:58:51,855 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfLogError [2023-11-19 07:58:51,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:58:51,855 INFO L130 BoogieDeclarations]: Found specification of procedure KeQueryPerformanceCounter [2023-11-19 07:58:51,856 INFO L138 BoogieDeclarations]: Found implementation of procedure KeQueryPerformanceCounter [2023-11-19 07:58:51,856 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedIncrement [2023-11-19 07:58:51,856 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedIncrement [2023-11-19 07:58:51,856 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2023-11-19 07:58:51,856 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2023-11-19 07:58:51,856 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfForwardIrpSynchronous [2023-11-19 07:58:51,857 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfForwardIrpSynchronous [2023-11-19 07:58:51,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:58:51,858 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfIoCompletion [2023-11-19 07:58:51,859 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfIoCompletion [2023-11-19 07:58:51,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:58:51,862 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2023-11-19 07:58:51,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2023-11-19 07:58:51,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:58:51,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:58:52,692 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:58:52,694 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:58:52,956 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 07:58:52,989 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2023-11-19 07:58:52,990 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2023-11-19 07:58:53,000 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 07:58:53,035 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-11-19 07:58:53,035 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-11-19 07:58:53,558 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 07:58:53,595 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2023-11-19 07:58:53,595 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2023-11-19 07:58:53,746 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 07:58:53,755 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 07:58:53,765 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 07:58:57,754 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume !false; [2023-11-19 07:58:57,755 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume false; [2023-11-19 07:58:57,755 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2023-11-19 07:58:57,755 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2023-11-19 07:58:57,755 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##122: assume !false; [2023-11-19 07:58:57,755 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##121: assume false; [2023-11-19 07:58:57,797 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:58:57,811 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:58:57,811 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:58:57,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:58:57 BoogieIcfgContainer [2023-11-19 07:58:57,818 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:58:57,821 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:58:57,821 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:58:57,824 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:58:57,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:58:49" (1/3) ... [2023-11-19 07:58:57,825 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e6d04ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:58:57, skipping insertion in model container [2023-11-19 07:58:57,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:51" (2/3) ... [2023-11-19 07:58:57,826 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e6d04ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:58:57, skipping insertion in model container [2023-11-19 07:58:57,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:58:57" (3/3) ... [2023-11-19 07:58:57,827 INFO L112 eAbstractionObserver]: Analyzing ICFG diskperf.i.cil-2.c [2023-11-19 07:58:57,847 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:58:57,847 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:58:57,931 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:58:57,938 INFO L357 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@69bdebb3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:58:57,938 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:58:57,945 INFO L276 IsEmpty]: Start isEmpty. Operand has 367 states, 273 states have (on average 1.424908424908425) internal successors, (389), 291 states have internal predecessors, (389), 72 states have call successors, (72), 20 states have call predecessors, (72), 20 states have return successors, (72), 68 states have call predecessors, (72), 72 states have call successors, (72) [2023-11-19 07:58:57,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 07:58:57,953 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:58:57,954 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:57,955 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:58:57,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:57,960 INFO L85 PathProgramCache]: Analyzing trace with hash -2108255934, now seen corresponding path program 1 times [2023-11-19 07:58:57,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:57,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801876674] [2023-11-19 07:58:57,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:57,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:04,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:05,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:59:05,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:05,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801876674] [2023-11-19 07:59:05,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801876674] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:59:05,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:59:05,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:59:05,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867274496] [2023-11-19 07:59:05,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:59:05,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:59:05,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:05,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:59:05,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:59:05,313 INFO L87 Difference]: Start difference. First operand has 367 states, 273 states have (on average 1.424908424908425) internal successors, (389), 291 states have internal predecessors, (389), 72 states have call successors, (72), 20 states have call predecessors, (72), 20 states have return successors, (72), 68 states have call predecessors, (72), 72 states have call successors, (72) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:59:05,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:59:05,612 INFO L93 Difference]: Finished difference Result 670 states and 994 transitions. [2023-11-19 07:59:05,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:59:05,614 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-11-19 07:59:05,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:59:05,637 INFO L225 Difference]: With dead ends: 670 [2023-11-19 07:59:05,637 INFO L226 Difference]: Without dead ends: 360 [2023-11-19 07:59:05,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:59:05,652 INFO L413 NwaCegarLoop]: 508 mSDtfsCounter, 8 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 969 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:59:05,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 969 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:59:05,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2023-11-19 07:59:05,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2023-11-19 07:59:05,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 268 states have (on average 1.3805970149253732) internal successors, (370), 284 states have internal predecessors, (370), 72 states have call successors, (72), 20 states have call predecessors, (72), 19 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-19 07:59:05,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 500 transitions. [2023-11-19 07:59:05,765 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 500 transitions. Word has length 13 [2023-11-19 07:59:05,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:59:05,766 INFO L495 AbstractCegarLoop]: Abstraction has 360 states and 500 transitions. [2023-11-19 07:59:05,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:59:05,766 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 500 transitions. [2023-11-19 07:59:05,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 07:59:05,768 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:59:05,768 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:59:05,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:59:05,769 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:59:05,770 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:05,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1234055175, now seen corresponding path program 1 times [2023-11-19 07:59:05,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:05,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808299720] [2023-11-19 07:59:05,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:05,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:12,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:13,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:59:13,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:13,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808299720] [2023-11-19 07:59:13,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808299720] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:59:13,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:59:13,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:59:13,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567102858] [2023-11-19 07:59:13,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:59:13,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:59:13,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:13,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:59:13,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:59:13,008 INFO L87 Difference]: Start difference. First operand 360 states and 500 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:59:13,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:59:13,298 INFO L93 Difference]: Finished difference Result 834 states and 1183 transitions. [2023-11-19 07:59:13,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:59:13,298 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-11-19 07:59:13,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:59:13,306 INFO L225 Difference]: With dead ends: 834 [2023-11-19 07:59:13,306 INFO L226 Difference]: Without dead ends: 589 [2023-11-19 07:59:13,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:59:13,309 INFO L413 NwaCegarLoop]: 683 mSDtfsCounter, 411 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 411 SdHoareTripleChecker+Valid, 1023 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:59:13,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [411 Valid, 1023 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:59:13,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2023-11-19 07:59:13,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 570. [2023-11-19 07:59:13,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 428 states have (on average 1.3644859813084111) internal successors, (584), 438 states have internal predecessors, (584), 107 states have call successors, (107), 35 states have call predecessors, (107), 34 states have return successors, (116), 100 states have call predecessors, (116), 96 states have call successors, (116) [2023-11-19 07:59:13,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 807 transitions. [2023-11-19 07:59:13,359 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 807 transitions. Word has length 15 [2023-11-19 07:59:13,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:59:13,363 INFO L495 AbstractCegarLoop]: Abstraction has 570 states and 807 transitions. [2023-11-19 07:59:13,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:59:13,364 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 807 transitions. [2023-11-19 07:59:13,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 07:59:13,373 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:59:13,373 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:59:13,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:59:13,375 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:59:13,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:13,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1188735126, now seen corresponding path program 1 times [2023-11-19 07:59:13,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:13,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379076686] [2023-11-19 07:59:13,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:13,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:19,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:21,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:59:21,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:21,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379076686] [2023-11-19 07:59:21,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379076686] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:59:21,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:59:21,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:59:21,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916180615] [2023-11-19 07:59:21,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:59:21,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:59:21,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:21,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:59:21,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:59:21,009 INFO L87 Difference]: Start difference. First operand 570 states and 807 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:59:21,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:59:21,165 INFO L93 Difference]: Finished difference Result 1330 states and 1923 transitions. [2023-11-19 07:59:21,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:59:21,165 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-11-19 07:59:21,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:59:21,190 INFO L225 Difference]: With dead ends: 1330 [2023-11-19 07:59:21,190 INFO L226 Difference]: Without dead ends: 898 [2023-11-19 07:59:21,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:59:21,195 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 392 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 891 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:59:21,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [392 Valid, 891 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:59:21,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2023-11-19 07:59:21,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 869. [2023-11-19 07:59:21,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 869 states, 648 states have (on average 1.3719135802469136) internal successors, (889), 659 states have internal predecessors, (889), 166 states have call successors, (166), 54 states have call predecessors, (166), 54 states have return successors, (200), 160 states have call predecessors, (200), 156 states have call successors, (200) [2023-11-19 07:59:21,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1255 transitions. [2023-11-19 07:59:21,272 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1255 transitions. Word has length 23 [2023-11-19 07:59:21,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:59:21,272 INFO L495 AbstractCegarLoop]: Abstraction has 869 states and 1255 transitions. [2023-11-19 07:59:21,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:59:21,273 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1255 transitions. [2023-11-19 07:59:21,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 07:59:21,275 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:59:21,275 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:59:21,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:59:21,275 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:59:21,276 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:21,276 INFO L85 PathProgramCache]: Analyzing trace with hash -270792222, now seen corresponding path program 1 times [2023-11-19 07:59:21,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:21,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887674381] [2023-11-19 07:59:21,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:21,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:28,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:59:28,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:28,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887674381] [2023-11-19 07:59:28,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887674381] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:59:28,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:59:28,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:59:28,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42766327] [2023-11-19 07:59:28,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:59:28,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:59:28,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:28,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:59:28,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:59:28,110 INFO L87 Difference]: Start difference. First operand 869 states and 1255 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:59:28,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:59:28,320 INFO L93 Difference]: Finished difference Result 883 states and 1274 transitions. [2023-11-19 07:59:28,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:59:28,321 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-11-19 07:59:28,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:59:28,334 INFO L225 Difference]: With dead ends: 883 [2023-11-19 07:59:28,334 INFO L226 Difference]: Without dead ends: 879 [2023-11-19 07:59:28,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:59:28,348 INFO L413 NwaCegarLoop]: 475 mSDtfsCounter, 20 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:59:28,349 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 895 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:59:28,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2023-11-19 07:59:28,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 878. [2023-11-19 07:59:28,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 878 states, 658 states have (on average 1.3708206686930091) internal successors, (902), 667 states have internal predecessors, (902), 165 states have call successors, (165), 55 states have call predecessors, (165), 54 states have return successors, (200), 160 states have call predecessors, (200), 156 states have call successors, (200) [2023-11-19 07:59:28,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1267 transitions. [2023-11-19 07:59:28,439 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1267 transitions. Word has length 23 [2023-11-19 07:59:28,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:59:28,440 INFO L495 AbstractCegarLoop]: Abstraction has 878 states and 1267 transitions. [2023-11-19 07:59:28,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:59:28,440 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1267 transitions. [2023-11-19 07:59:28,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 07:59:28,442 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:59:28,442 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:59:28,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:59:28,443 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:59:28,443 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:28,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1048047991, now seen corresponding path program 1 times [2023-11-19 07:59:28,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:28,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884154415] [2023-11-19 07:59:28,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:28,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:34,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:35,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:59:35,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:35,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:59:35,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:35,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884154415] [2023-11-19 07:59:35,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884154415] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:59:35,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:59:35,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:59:35,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290339363] [2023-11-19 07:59:35,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:59:35,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:59:35,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:35,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:59:35,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:59:35,726 INFO L87 Difference]: Start difference. First operand 878 states and 1267 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:59:37,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:59:37,637 INFO L93 Difference]: Finished difference Result 934 states and 1347 transitions. [2023-11-19 07:59:37,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-19 07:59:37,639 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2023-11-19 07:59:37,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:59:37,655 INFO L225 Difference]: With dead ends: 934 [2023-11-19 07:59:37,655 INFO L226 Difference]: Without dead ends: 924 [2023-11-19 07:59:37,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-11-19 07:59:37,661 INFO L413 NwaCegarLoop]: 357 mSDtfsCounter, 658 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 715 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 690 SdHoareTripleChecker+Valid, 998 SdHoareTripleChecker+Invalid, 831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 715 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-19 07:59:37,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [690 Valid, 998 Invalid, 831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 715 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-19 07:59:37,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2023-11-19 07:59:37,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 902. [2023-11-19 07:59:37,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 902 states, 680 states have (on average 1.3691176470588236) internal successors, (931), 691 states have internal predecessors, (931), 165 states have call successors, (165), 55 states have call predecessors, (165), 56 states have return successors, (209), 160 states have call predecessors, (209), 156 states have call successors, (209) [2023-11-19 07:59:37,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1305 transitions. [2023-11-19 07:59:37,750 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1305 transitions. Word has length 27 [2023-11-19 07:59:37,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:59:37,751 INFO L495 AbstractCegarLoop]: Abstraction has 902 states and 1305 transitions. [2023-11-19 07:59:37,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:59:37,751 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1305 transitions. [2023-11-19 07:59:37,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 07:59:37,753 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:59:37,754 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:59:37,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:59:37,754 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:59:37,756 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:37,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1434130002, now seen corresponding path program 1 times [2023-11-19 07:59:37,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:37,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905626539] [2023-11-19 07:59:37,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:37,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms