./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 cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81ce4ea-d47e-461d-9c72-8aae14c5b90d/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81ce4ea-d47e-461d-9c72-8aae14c5b90d/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81ce4ea-d47e-461d-9c72-8aae14c5b90d/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81ce4ea-d47e-461d-9c72-8aae14c5b90d/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/ntdrivers/diskperf.i.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81ce4ea-d47e-461d-9c72-8aae14c5b90d/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81ce4ea-d47e-461d-9c72-8aae14c5b90d/bin/utaipan-verify-NcY6lQBIFX --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ab726a473f6c04dd764d313dbb24ea777126388718edbc0b40477fad14a8692b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:45:49,474 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:45:49,592 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81ce4ea-d47e-461d-9c72-8aae14c5b90d/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:45:49,605 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:45:49,606 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:45:49,646 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:45:49,647 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:45:49,648 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:45:49,649 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:45:49,651 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:45:49,651 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:45:49,652 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:45:49,652 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:45:49,653 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:45:49,653 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:45:49,654 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:45:49,654 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:45:49,655 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:45:49,655 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:45:49,656 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:45:49,656 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:45:49,657 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:45:49,658 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:45:49,658 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:45:49,659 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:45:49,659 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:45:49,659 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:45:49,660 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:45:49,660 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:45:49,661 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:45:49,662 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:45:49,662 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:45:49,663 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:45:49,663 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:45:49,663 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:45:49,663 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:45:49,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:45:49,664 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:45:49,664 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:45:49,664 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:45:49,664 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:45:49,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:45:49,665 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:45:49,665 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:45:49,666 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:45:49,666 INFO L153 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_a81ce4ea-d47e-461d-9c72-8aae14c5b90d/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81ce4ea-d47e-461d-9c72-8aae14c5b90d/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab726a473f6c04dd764d313dbb24ea777126388718edbc0b40477fad14a8692b [2023-11-12 00:45:49,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:45:49,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:45:49,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:45:49,952 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:45:49,952 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:45:49,954 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81ce4ea-d47e-461d-9c72-8aae14c5b90d/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ntdrivers/diskperf.i.cil-2.c [2023-11-12 00:45:53,111 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:45:53,613 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:45:53,616 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81ce4ea-d47e-461d-9c72-8aae14c5b90d/sv-benchmarks/c/ntdrivers/diskperf.i.cil-2.c [2023-11-12 00:45:53,659 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81ce4ea-d47e-461d-9c72-8aae14c5b90d/bin/utaipan-verify-NcY6lQBIFX/data/a6b5600c8/f01f3e00835346d69c2c0669bd87421c/FLAGeac5b9b73 [2023-11-12 00:45:53,674 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81ce4ea-d47e-461d-9c72-8aae14c5b90d/bin/utaipan-verify-NcY6lQBIFX/data/a6b5600c8/f01f3e00835346d69c2c0669bd87421c [2023-11-12 00:45:53,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:45:53,678 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:45:53,680 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:45:53,680 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:45:53,685 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:45:53,686 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:45:53" (1/1) ... [2023-11-12 00:45:53,687 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49cfcdaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:53, skipping insertion in model container [2023-11-12 00:45:53,687 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:45:53" (1/1) ... [2023-11-12 00:45:53,809 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:45:54,507 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_a81ce4ea-d47e-461d-9c72-8aae14c5b90d/sv-benchmarks/c/ntdrivers/diskperf.i.cil-2.c[84365,84378] [2023-11-12 00:45:54,872 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:45:55,039 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:45:55,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,8) [14] [2023-11-12 00:45:55,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [15] [2023-11-12 00:45:55,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [175] [2023-11-12 00:45:55,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [181] [2023-11-12 00:45:55,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [403] [2023-11-12 00:45:55,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [456] [2023-11-12 00:45:55,054 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,1) [475] [2023-11-12 00:45:55,054 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [476] [2023-11-12 00:45:55,054 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [1149] [2023-11-12 00:45:55,054 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1322] [2023-11-12 00:45:55,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,1) [1365] [2023-11-12 00:45:55,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1366] [2023-11-12 00:45:55,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,1) [1367] [2023-11-12 00:45:55,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1368] [2023-11-12 00:45:55,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,1) [1369] [2023-11-12 00:45:55,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1370] [2023-11-12 00:45:55,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,1) [1371] [2023-11-12 00:45:55,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1372] [2023-11-12 00:45:55,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,1) [1373] [2023-11-12 00:45:55,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1374] [2023-11-12 00:45:55,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,8) [1375] [2023-11-12 00:45:55,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1376] [2023-11-12 00:45:55,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,8) [1377] [2023-11-12 00:45:55,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1378] [2023-11-12 00:45:55,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,8) [1467] [2023-11-12 00:45:55,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1468] [2023-11-12 00:45:55,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [1471] [2023-11-12 00:45:55,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1472] [2023-11-12 00:45:55,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [1473] [2023-11-12 00:45:55,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1474] [2023-11-12 00:45:55,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,1) [1475] [2023-11-12 00:45:55,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1476] [2023-11-12 00:45:55,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [1483] [2023-11-12 00:45:55,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1484] [2023-11-12 00:45:55,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [1485] [2023-11-12 00:45:55,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [1486] [2023-11-12 00:45:55,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [1487] [2023-11-12 00:45:55,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1493] [2023-11-12 00:45:55,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1494] [2023-11-12 00:45:55,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [1516] [2023-11-12 00:45:55,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [1517] [2023-11-12 00:45:55,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [1518] [2023-11-12 00:45:55,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [1530] [2023-11-12 00:45:55,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [1538] [2023-11-12 00:45:55,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4164) [1539] [2023-11-12 00:45:55,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma function(_enable) [1540] [2023-11-12 00:45:55,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma function(_disable) [1541] [2023-11-12 00:45:55,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [1542] [2023-11-12 00:45:55,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1543] [2023-11-12 00:45:55,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1544] [2023-11-12 00:45:55,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1545] [2023-11-12 00:45:55,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1546] [2023-11-12 00:45:55,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1603] [2023-11-12 00:45:55,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1604] [2023-11-12 00:45:55,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4200) [1709] [2023-11-12 00:45:55,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(default:4200) [1710] [2023-11-12 00:45:55,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1732] [2023-11-12 00:45:55,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1733] [2023-11-12 00:45:55,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1734] [2023-11-12 00:45:55,071 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1735] [2023-11-12 00:45:55,072 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1736] [2023-11-12 00:45:55,072 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1737] [2023-11-12 00:45:55,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1738] [2023-11-12 00:45:55,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1739] [2023-11-12 00:45:55,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1740] [2023-11-12 00:45:55,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1741] [2023-11-12 00:45:55,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4200) [1745] [2023-11-12 00:45:55,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(INIT,DriverEntry) [2104] [2023-11-12 00:45:55,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,DiskPerfAddDevice) [2105] [2023-11-12 00:45:55,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,DiskPerfDispatchPnp) [2106] [2023-11-12 00:45:55,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,DiskPerfStartDevice) [2107] [2023-11-12 00:45:55,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,DiskPerfRemoveDevice) [2108] [2023-11-12 00:45:55,075 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,DiskPerfUnload) [2109] [2023-11-12 00:45:55,076 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,DiskPerfWmi) [2110] [2023-11-12 00:45:55,076 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,DiskperfQueryWmiRegInfo) [2111] [2023-11-12 00:45:55,076 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,DiskPerfRegisterDevice) [2112] [2023-11-12 00:45:55,076 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,DiskPerfSyncFilterWithTarget) [2113] [2023-11-12 00:45:55,077 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [3176] [2023-11-12 00:45:55,077 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [3177] [2023-11-12 00:45:55,077 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [3178] [2023-11-12 00:45:55,078 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [3179] [2023-11-12 00:45:55,078 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [3180] [2023-11-12 00:45:55,078 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [3181] [2023-11-12 00:45:55,080 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [3182] [2023-11-12 00:45:55,080 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [3183] [2023-11-12 00:45:55,080 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [3184] [2023-11-12 00:45:55,081 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [3185] [2023-11-12 00:45:55,081 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4164) [3186] [2023-11-12 00:45:55,081 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma function(_enable) [3187] [2023-11-12 00:45:55,081 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma function(_disable) [3188] [2023-11-12 00:45:55,081 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [3189] [2023-11-12 00:45:55,082 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [3190] [2023-11-12 00:45:55,082 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [3191] [2023-11-12 00:45:55,082 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [3192] [2023-11-12 00:45:55,082 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [3193] [2023-11-12 00:45:55,082 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [3194] [2023-11-12 00:45:55,083 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [3195] [2023-11-12 00:45:55,083 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4200) [3196] [2023-11-12 00:45:55,083 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(default:4200) [3197] [2023-11-12 00:45:55,180 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_a81ce4ea-d47e-461d-9c72-8aae14c5b90d/sv-benchmarks/c/ntdrivers/diskperf.i.cil-2.c[84365,84378] [2023-11-12 00:45:55,378 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:45:55,460 WARN L672 CHandler]: The function swprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:45:55,469 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:45:55,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:55 WrapperNode [2023-11-12 00:45:55,469 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:45:55,471 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:45:55,471 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:45:55,471 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:45:55,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:55" (1/1) ... [2023-11-12 00:45:55,585 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:55" (1/1) ... [2023-11-12 00:45:55,680 INFO L138 Inliner]: procedures = 126, calls = 845, calls flagged for inlining = 21, calls inlined = 19, statements flattened = 2803 [2023-11-12 00:45:55,681 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:45:55,681 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:45:55,682 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:45:55,682 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:45:55,692 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:55" (1/1) ... [2023-11-12 00:45:55,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:55" (1/1) ... [2023-11-12 00:45:55,726 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:55" (1/1) ... [2023-11-12 00:45:55,727 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:55" (1/1) ... [2023-11-12 00:45:55,819 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:55" (1/1) ... [2023-11-12 00:45:55,845 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:55" (1/1) ... [2023-11-12 00:45:55,874 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:55" (1/1) ... [2023-11-12 00:45:55,897 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:55" (1/1) ... [2023-11-12 00:45:55,925 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:45:55,926 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:45:55,926 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:45:55,926 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:45:55,927 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:55" (1/1) ... [2023-11-12 00:45:55,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:45:55,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81ce4ea-d47e-461d-9c72-8aae14c5b90d/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:45:55,966 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81ce4ea-d47e-461d-9c72-8aae14c5b90d/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:45:55,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81ce4ea-d47e-461d-9c72-8aae14c5b90d/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:45:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:45:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:45:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:45:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:45:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2023-11-12 00:45:56,009 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2023-11-12 00:45:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfSendToNextDriver [2023-11-12 00:45:56,009 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfSendToNextDriver [2023-11-12 00:45:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2023-11-12 00:45:56,009 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2023-11-12 00:45:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfAddCounters [2023-11-12 00:45:56,010 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfAddCounters [2023-11-12 00:45:56,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:45:56,010 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:45:56,010 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedDecrement [2023-11-12 00:45:56,010 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedDecrement [2023-11-12 00:45:56,010 INFO L130 BoogieDeclarations]: Found specification of procedure IoWMIRegistrationControl [2023-11-12 00:45:56,011 INFO L138 BoogieDeclarations]: Found implementation of procedure IoWMIRegistrationControl [2023-11-12 00:45:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:45:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2023-11-12 00:45:56,011 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2023-11-12 00:45:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 00:45:56,011 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 00:45:56,012 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2023-11-12 00:45:56,012 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2023-11-12 00:45:56,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:45:56,012 INFO L130 BoogieDeclarations]: Found specification of procedure swprintf [2023-11-12 00:45:56,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:45:56,012 INFO L130 BoogieDeclarations]: Found specification of procedure KeQuerySystemTime [2023-11-12 00:45:56,013 INFO L138 BoogieDeclarations]: Found implementation of procedure KeQuerySystemTime [2023-11-12 00:45:56,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:45:56,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:45:56,013 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2023-11-12 00:45:56,013 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2023-11-12 00:45:56,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:45:56,014 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfIrpCompletion [2023-11-12 00:45:56,014 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfIrpCompletion [2023-11-12 00:45:56,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:45:56,014 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfLogError [2023-11-12 00:45:56,014 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfLogError [2023-11-12 00:45:56,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:45:56,014 INFO L130 BoogieDeclarations]: Found specification of procedure KeQueryPerformanceCounter [2023-11-12 00:45:56,015 INFO L138 BoogieDeclarations]: Found implementation of procedure KeQueryPerformanceCounter [2023-11-12 00:45:56,015 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedIncrement [2023-11-12 00:45:56,015 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedIncrement [2023-11-12 00:45:56,015 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2023-11-12 00:45:56,015 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2023-11-12 00:45:56,016 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfForwardIrpSynchronous [2023-11-12 00:45:56,016 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfForwardIrpSynchronous [2023-11-12 00:45:56,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:45:56,016 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfIoCompletion [2023-11-12 00:45:56,016 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfIoCompletion [2023-11-12 00:45:56,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:45:56,017 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2023-11-12 00:45:56,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2023-11-12 00:45:56,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:45:56,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:45:56,627 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:45:56,630 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:45:56,886 WARN L817 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-12 00:45:56,913 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2023-11-12 00:45:56,914 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2023-11-12 00:45:56,921 WARN L817 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-12 00:45:56,938 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-11-12 00:45:56,938 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-11-12 00:45:57,527 WARN L817 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-12 00:45:57,570 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2023-11-12 00:45:57,570 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2023-11-12 00:45:57,790 WARN L817 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-12 00:45:57,794 WARN L817 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-12 00:45:57,800 WARN L817 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-12 00:46:01,626 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume !false; [2023-11-12 00:46:01,626 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume false; [2023-11-12 00:46:01,626 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2023-11-12 00:46:01,626 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2023-11-12 00:46:01,626 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##122: assume !false; [2023-11-12 00:46:01,627 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##121: assume false; [2023-11-12 00:46:01,667 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:46:02,431 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:46:02,431 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:46:02,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:46:02 BoogieIcfgContainer [2023-11-12 00:46:02,435 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:46:02,438 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:46:02,439 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:46:02,442 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:46:02,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:45:53" (1/3) ... [2023-11-12 00:46:02,443 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61d4cd92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:46:02, skipping insertion in model container [2023-11-12 00:46:02,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:45:55" (2/3) ... [2023-11-12 00:46:02,445 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61d4cd92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:46:02, skipping insertion in model container [2023-11-12 00:46:02,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:46:02" (3/3) ... [2023-11-12 00:46:02,447 INFO L112 eAbstractionObserver]: Analyzing ICFG diskperf.i.cil-2.c [2023-11-12 00:46:02,470 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:46:02,470 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:46:02,551 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:46:02,559 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=FINITE_AUTOMATA, 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;@2f1a27af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:46:02,559 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:46:02,567 INFO L276 IsEmpty]: Start isEmpty. Operand has 272 states, 178 states have (on average 1.4382022471910112) internal successors, (256), 196 states have internal predecessors, (256), 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) [2023-11-12 00:46:02,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:46:02,575 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:46:02,576 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:46:02,577 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:46:02,584 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:46:02,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1186268791, now seen corresponding path program 1 times [2023-11-12 00:46:02,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:46:02,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313639723] [2023-11-12 00:46:02,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:46:02,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:46:11,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:46:12,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:46:12,002 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:46:12,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313639723] [2023-11-12 00:46:12,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313639723] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:46:12,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:46:12,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:46:12,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636161197] [2023-11-12 00:46:12,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:46:12,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:46:12,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:46:12,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:46:12,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:46:12,070 INFO L87 Difference]: Start difference. First operand has 272 states, 178 states have (on average 1.4382022471910112) internal successors, (256), 196 states have internal predecessors, (256), 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 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-11-12 00:46:14,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:46:17,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:46:19,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:46:19,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:46:19,831 INFO L93 Difference]: Finished difference Result 626 states and 934 transitions. [2023-11-12 00:46:19,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:46:19,834 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 9 [2023-11-12 00:46:19,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:46:19,850 INFO L225 Difference]: With dead ends: 626 [2023-11-12 00:46:19,850 INFO L226 Difference]: Without dead ends: 395 [2023-11-12 00:46:19,857 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 [2023-11-12 00:46:19,860 INFO L413 NwaCegarLoop]: 430 mSDtfsCounter, 237 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 9 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2023-11-12 00:46:19,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 660 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 138 Invalid, 3 Unknown, 0 Unchecked, 7.6s Time] [2023-11-12 00:46:19,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2023-11-12 00:46:19,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 392. [2023-11-12 00:46:19,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 257 states have (on average 1.3424124513618676) internal successors, (345), 270 states have internal predecessors, (345), 102 states have call successors, (102), 34 states have call predecessors, (102), 32 states have return successors, (98), 91 states have call predecessors, (98), 91 states have call successors, (98) [2023-11-12 00:46:19,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 545 transitions. [2023-11-12 00:46:19,989 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 545 transitions. Word has length 9 [2023-11-12 00:46:19,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:46:19,990 INFO L495 AbstractCegarLoop]: Abstraction has 392 states and 545 transitions. [2023-11-12 00:46:19,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-11-12 00:46:19,990 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 545 transitions. [2023-11-12 00:46:19,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 00:46:19,993 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:46:19,993 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:46:19,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:46:19,993 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:46:19,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:46:19,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1841931250, now seen corresponding path program 1 times [2023-11-12 00:46:19,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:46:19,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288596793] [2023-11-12 00:46:19,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:46:19,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:46:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:46:27,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:46:27,562 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:46:27,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288596793] [2023-11-12 00:46:27,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288596793] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:46:27,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:46:27,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:46:27,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10894140] [2023-11-12 00:46:27,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:46:27,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:46:27,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:46:27,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:46:27,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:46:27,566 INFO L87 Difference]: Start difference. First operand 392 states and 545 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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) [2023-11-12 00:46:29,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:46:31,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:46:33,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-12 00:46:34,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-12 00:46:35,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:46:35,053 INFO L93 Difference]: Finished difference Result 411 states and 570 transitions. [2023-11-12 00:46:35,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:46:35,055 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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 11 [2023-11-12 00:46:35,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:46:35,059 INFO L225 Difference]: With dead ends: 411 [2023-11-12 00:46:35,060 INFO L226 Difference]: Without dead ends: 392 [2023-11-12 00:46:35,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:46:35,062 INFO L413 NwaCegarLoop]: 321 mSDtfsCounter, 4 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2023-11-12 00:46:35,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 609 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 123 Invalid, 2 Unknown, 0 Unchecked, 7.4s Time] [2023-11-12 00:46:35,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2023-11-12 00:46:35,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 392. [2023-11-12 00:46:35,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 257 states have (on average 1.33852140077821) internal successors, (344), 270 states have internal predecessors, (344), 102 states have call successors, (102), 34 states have call predecessors, (102), 32 states have return successors, (98), 91 states have call predecessors, (98), 91 states have call successors, (98) [2023-11-12 00:46:35,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 544 transitions. [2023-11-12 00:46:35,098 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 544 transitions. Word has length 11 [2023-11-12 00:46:35,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:46:35,099 INFO L495 AbstractCegarLoop]: Abstraction has 392 states and 544 transitions. [2023-11-12 00:46:35,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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) [2023-11-12 00:46:35,099 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 544 transitions. [2023-11-12 00:46:35,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 00:46:35,101 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:46:35,102 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:46:35,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 00:46:35,102 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:46:35,103 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:46:35,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1191895756, now seen corresponding path program 1 times [2023-11-12 00:46:35,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:46:35,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394333217] [2023-11-12 00:46:35,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:46:35,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:46:41,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:46:42,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:46:42,815 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:46:42,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394333217] [2023-11-12 00:46:42,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394333217] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:46:42,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:46:42,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:46:42,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764457743] [2023-11-12 00:46:42,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:46:42,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:46:42,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:46:42,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:46:42,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:46:42,820 INFO L87 Difference]: Start difference. First operand 392 states and 544 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) [2023-11-12 00:46:45,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-12 00:46:47,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:46:47,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:46:47,163 INFO L93 Difference]: Finished difference Result 932 states and 1311 transitions. [2023-11-12 00:46:47,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:46:47,164 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 [2023-11-12 00:46:47,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:46:47,171 INFO L225 Difference]: With dead ends: 932 [2023-11-12 00:46:47,172 INFO L226 Difference]: Without dead ends: 628 [2023-11-12 00:46:47,173 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 [2023-11-12 00:46:47,175 INFO L413 NwaCegarLoop]: 347 mSDtfsCounter, 294 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:46:47,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 576 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 80 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2023-11-12 00:46:47,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2023-11-12 00:46:47,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 601. [2023-11-12 00:46:47,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 392 states have (on average 1.3239795918367347) internal successors, (519), 404 states have internal predecessors, (519), 157 states have call successors, (157), 52 states have call predecessors, (157), 51 states have return successors, (172), 149 states have call predecessors, (172), 147 states have call successors, (172) [2023-11-12 00:46:47,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 848 transitions. [2023-11-12 00:46:47,248 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 848 transitions. Word has length 15 [2023-11-12 00:46:47,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:46:47,249 INFO L495 AbstractCegarLoop]: Abstraction has 601 states and 848 transitions. [2023-11-12 00:46:47,250 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) [2023-11-12 00:46:47,251 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 848 transitions. [2023-11-12 00:46:47,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 00:46:47,258 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:46:47,258 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:46:47,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 00:46:47,259 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:46:47,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:46:47,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1340994971, now seen corresponding path program 1 times [2023-11-12 00:46:47,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:46:47,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16444572] [2023-11-12 00:46:47,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:46:47,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms