./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_a28ae068-013c-40f0-8d7c-8c4adec589f7/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a28ae068-013c-40f0-8d7c-8c4adec589f7/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a28ae068-013c-40f0-8d7c-8c4adec589f7/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a28ae068-013c-40f0-8d7c-8c4adec589f7/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ntdrivers/diskperf.i.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a28ae068-013c-40f0-8d7c-8c4adec589f7/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a28ae068-013c-40f0-8d7c-8c4adec589f7/bin/utaipan-verify-t7M7D8N6sZ --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-9bd2c7f [2023-11-19 04:52:00,590 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:52:00,661 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a28ae068-013c-40f0-8d7c-8c4adec589f7/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:52:00,666 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:52:00,667 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:52:00,714 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:52:00,714 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:52:00,715 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:52:00,716 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:52:00,727 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:52:00,728 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:52:00,729 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:52:00,729 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:52:00,730 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:52:00,730 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:52:00,731 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:52:00,731 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:52:00,732 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:52:00,734 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:52:00,735 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:52:00,735 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:52:00,736 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:52:00,737 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:52:00,738 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:52:00,738 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:52:00,738 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:52:00,739 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:52:00,739 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:52:00,740 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:52:00,747 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:52:00,748 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:52:00,748 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:52:00,749 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:52:00,749 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:52:00,749 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:52:00,749 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:52:00,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:52:00,750 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:52:00,751 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:52:00,751 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:52:00,751 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:52:00,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:52:00,752 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:52:00,752 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:52:00,752 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:52:00,753 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_a28ae068-013c-40f0-8d7c-8c4adec589f7/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a28ae068-013c-40f0-8d7c-8c4adec589f7/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab726a473f6c04dd764d313dbb24ea777126388718edbc0b40477fad14a8692b [2023-11-19 04:52:01,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:52:01,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:52:01,135 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:52:01,137 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:52:01,137 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:52:01,140 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a28ae068-013c-40f0-8d7c-8c4adec589f7/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ntdrivers/diskperf.i.cil-2.c [2023-11-19 04:52:04,210 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:52:04,744 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:52:04,744 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a28ae068-013c-40f0-8d7c-8c4adec589f7/sv-benchmarks/c/ntdrivers/diskperf.i.cil-2.c [2023-11-19 04:52:04,781 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a28ae068-013c-40f0-8d7c-8c4adec589f7/bin/utaipan-verify-t7M7D8N6sZ/data/4a941bc64/82a476406afa4d499dc266951e6b5172/FLAG0af69b578 [2023-11-19 04:52:04,799 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a28ae068-013c-40f0-8d7c-8c4adec589f7/bin/utaipan-verify-t7M7D8N6sZ/data/4a941bc64/82a476406afa4d499dc266951e6b5172 [2023-11-19 04:52:04,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:52:04,803 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:52:04,804 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:52:04,804 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:52:04,810 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:52:04,810 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:52:04" (1/1) ... [2023-11-19 04:52:04,812 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45a6ba00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:04, skipping insertion in model container [2023-11-19 04:52:04,812 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:52:04" (1/1) ... [2023-11-19 04:52:04,927 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:52:05,642 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_a28ae068-013c-40f0-8d7c-8c4adec589f7/sv-benchmarks/c/ntdrivers/diskperf.i.cil-2.c[84365,84378] [2023-11-19 04:52:05,948 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:52:06,070 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:52:06,085 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,8) [14] [2023-11-19 04:52:06,086 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [15] [2023-11-19 04:52:06,087 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [175] [2023-11-19 04:52:06,116 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [181] [2023-11-19 04:52:06,117 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [403] [2023-11-19 04:52:06,117 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [456] [2023-11-19 04:52:06,117 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,1) [475] [2023-11-19 04:52:06,117 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [476] [2023-11-19 04:52:06,118 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [1149] [2023-11-19 04:52:06,118 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1322] [2023-11-19 04:52:06,118 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,1) [1365] [2023-11-19 04:52:06,118 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1366] [2023-11-19 04:52:06,118 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,1) [1367] [2023-11-19 04:52:06,118 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1368] [2023-11-19 04:52:06,119 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,1) [1369] [2023-11-19 04:52:06,119 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1370] [2023-11-19 04:52:06,119 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,1) [1371] [2023-11-19 04:52:06,119 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1372] [2023-11-19 04:52:06,119 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,1) [1373] [2023-11-19 04:52:06,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1374] [2023-11-19 04:52:06,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,8) [1375] [2023-11-19 04:52:06,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1376] [2023-11-19 04:52:06,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,8) [1377] [2023-11-19 04:52:06,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1378] [2023-11-19 04:52:06,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,8) [1467] [2023-11-19 04:52:06,121 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1468] [2023-11-19 04:52:06,121 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [1471] [2023-11-19 04:52:06,121 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1472] [2023-11-19 04:52:06,121 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [1473] [2023-11-19 04:52:06,121 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1474] [2023-11-19 04:52:06,121 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,1) [1475] [2023-11-19 04:52:06,122 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1476] [2023-11-19 04:52:06,122 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [1483] [2023-11-19 04:52:06,122 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1484] [2023-11-19 04:52:06,122 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [1485] [2023-11-19 04:52:06,122 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [1486] [2023-11-19 04:52:06,122 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [1487] [2023-11-19 04:52:06,123 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1493] [2023-11-19 04:52:06,123 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1494] [2023-11-19 04:52:06,123 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [1516] [2023-11-19 04:52:06,123 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [1517] [2023-11-19 04:52:06,123 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [1518] [2023-11-19 04:52:06,123 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [1530] [2023-11-19 04:52:06,124 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [1538] [2023-11-19 04:52:06,124 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4164) [1539] [2023-11-19 04:52:06,124 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma function(_enable) [1540] [2023-11-19 04:52:06,124 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma function(_disable) [1541] [2023-11-19 04:52:06,124 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [1542] [2023-11-19 04:52:06,124 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1543] [2023-11-19 04:52:06,125 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1544] [2023-11-19 04:52:06,125 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1545] [2023-11-19 04:52:06,125 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1546] [2023-11-19 04:52:06,125 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1603] [2023-11-19 04:52:06,125 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1604] [2023-11-19 04:52:06,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4200) [1709] [2023-11-19 04:52:06,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(default:4200) [1710] [2023-11-19 04:52:06,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1732] [2023-11-19 04:52:06,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1733] [2023-11-19 04:52:06,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1734] [2023-11-19 04:52:06,127 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1735] [2023-11-19 04:52:06,127 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1736] [2023-11-19 04:52:06,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1737] [2023-11-19 04:52:06,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1738] [2023-11-19 04:52:06,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1739] [2023-11-19 04:52:06,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1740] [2023-11-19 04:52:06,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1741] [2023-11-19 04:52:06,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4200) [1745] [2023-11-19 04:52:06,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(INIT,DriverEntry) [2104] [2023-11-19 04:52:06,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,DiskPerfAddDevice) [2105] [2023-11-19 04:52:06,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,DiskPerfDispatchPnp) [2106] [2023-11-19 04:52:06,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,DiskPerfStartDevice) [2107] [2023-11-19 04:52:06,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,DiskPerfRemoveDevice) [2108] [2023-11-19 04:52:06,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,DiskPerfUnload) [2109] [2023-11-19 04:52:06,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,DiskPerfWmi) [2110] [2023-11-19 04:52:06,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,DiskperfQueryWmiRegInfo) [2111] [2023-11-19 04:52:06,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,DiskPerfRegisterDevice) [2112] [2023-11-19 04:52:06,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,DiskPerfSyncFilterWithTarget) [2113] [2023-11-19 04:52:06,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [3176] [2023-11-19 04:52:06,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [3177] [2023-11-19 04:52:06,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [3178] [2023-11-19 04:52:06,131 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [3179] [2023-11-19 04:52:06,131 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [3180] [2023-11-19 04:52:06,131 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [3181] [2023-11-19 04:52:06,131 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [3182] [2023-11-19 04:52:06,131 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [3183] [2023-11-19 04:52:06,131 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [3184] [2023-11-19 04:52:06,131 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [3185] [2023-11-19 04:52:06,132 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4164) [3186] [2023-11-19 04:52:06,132 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma function(_enable) [3187] [2023-11-19 04:52:06,132 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma function(_disable) [3188] [2023-11-19 04:52:06,132 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [3189] [2023-11-19 04:52:06,132 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [3190] [2023-11-19 04:52:06,132 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [3191] [2023-11-19 04:52:06,132 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [3192] [2023-11-19 04:52:06,133 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [3193] [2023-11-19 04:52:06,133 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [3194] [2023-11-19 04:52:06,133 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [3195] [2023-11-19 04:52:06,133 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4200) [3196] [2023-11-19 04:52:06,133 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(default:4200) [3197] [2023-11-19 04:52:06,220 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_a28ae068-013c-40f0-8d7c-8c4adec589f7/sv-benchmarks/c/ntdrivers/diskperf.i.cil-2.c[84365,84378] [2023-11-19 04:52:06,375 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:52:06,459 WARN L675 CHandler]: The function swprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:52:06,467 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:52:06,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:06 WrapperNode [2023-11-19 04:52:06,468 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:52:06,469 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:52:06,469 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:52:06,469 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:52:06,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:06" (1/1) ... [2023-11-19 04:52:06,580 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:06" (1/1) ... [2023-11-19 04:52:06,694 INFO L138 Inliner]: procedures = 126, calls = 845, calls flagged for inlining = 21, calls inlined = 19, statements flattened = 2803 [2023-11-19 04:52:06,695 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:52:06,696 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:52:06,696 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:52:06,696 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:52:06,706 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:06" (1/1) ... [2023-11-19 04:52:06,706 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:06" (1/1) ... [2023-11-19 04:52:06,739 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:06" (1/1) ... [2023-11-19 04:52:06,746 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:06" (1/1) ... [2023-11-19 04:52:06,896 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:06" (1/1) ... [2023-11-19 04:52:06,939 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:06" (1/1) ... [2023-11-19 04:52:06,968 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:06" (1/1) ... [2023-11-19 04:52:06,985 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:06" (1/1) ... [2023-11-19 04:52:07,003 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:52:07,004 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:52:07,005 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:52:07,005 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:52:07,006 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:06" (1/1) ... [2023-11-19 04:52:07,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:52:07,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a28ae068-013c-40f0-8d7c-8c4adec589f7/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:52:07,046 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a28ae068-013c-40f0-8d7c-8c4adec589f7/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:52:07,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a28ae068-013c-40f0-8d7c-8c4adec589f7/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:52:07,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:52:07,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 04:52:07,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 04:52:07,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:52:07,096 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2023-11-19 04:52:07,096 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2023-11-19 04:52:07,096 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfSendToNextDriver [2023-11-19 04:52:07,096 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfSendToNextDriver [2023-11-19 04:52:07,096 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2023-11-19 04:52:07,097 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2023-11-19 04:52:07,097 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfAddCounters [2023-11-19 04:52:07,097 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfAddCounters [2023-11-19 04:52:07,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 04:52:07,097 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 04:52:07,097 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedDecrement [2023-11-19 04:52:07,097 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedDecrement [2023-11-19 04:52:07,098 INFO L130 BoogieDeclarations]: Found specification of procedure IoWMIRegistrationControl [2023-11-19 04:52:07,098 INFO L138 BoogieDeclarations]: Found implementation of procedure IoWMIRegistrationControl [2023-11-19 04:52:07,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:52:07,098 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2023-11-19 04:52:07,099 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2023-11-19 04:52:07,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 04:52:07,099 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 04:52:07,099 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2023-11-19 04:52:07,100 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2023-11-19 04:52:07,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:52:07,100 INFO L130 BoogieDeclarations]: Found specification of procedure swprintf [2023-11-19 04:52:07,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:52:07,100 INFO L130 BoogieDeclarations]: Found specification of procedure KeQuerySystemTime [2023-11-19 04:52:07,100 INFO L138 BoogieDeclarations]: Found implementation of procedure KeQuerySystemTime [2023-11-19 04:52:07,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:52:07,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:52:07,100 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2023-11-19 04:52:07,101 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2023-11-19 04:52:07,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:52:07,101 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfIrpCompletion [2023-11-19 04:52:07,101 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfIrpCompletion [2023-11-19 04:52:07,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:52:07,102 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfLogError [2023-11-19 04:52:07,102 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfLogError [2023-11-19 04:52:07,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:52:07,102 INFO L130 BoogieDeclarations]: Found specification of procedure KeQueryPerformanceCounter [2023-11-19 04:52:07,102 INFO L138 BoogieDeclarations]: Found implementation of procedure KeQueryPerformanceCounter [2023-11-19 04:52:07,103 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedIncrement [2023-11-19 04:52:07,104 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedIncrement [2023-11-19 04:52:07,105 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2023-11-19 04:52:07,105 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2023-11-19 04:52:07,108 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfForwardIrpSynchronous [2023-11-19 04:52:07,109 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfForwardIrpSynchronous [2023-11-19 04:52:07,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:52:07,109 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfIoCompletion [2023-11-19 04:52:07,109 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfIoCompletion [2023-11-19 04:52:07,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 04:52:07,110 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2023-11-19 04:52:07,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2023-11-19 04:52:07,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:52:07,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:52:07,823 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:52:07,826 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:52:08,008 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 04:52:08,031 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2023-11-19 04:52:08,031 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2023-11-19 04:52:08,037 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 04:52:08,054 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-11-19 04:52:08,054 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-11-19 04:52:08,540 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 04:52:08,576 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2023-11-19 04:52:08,577 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2023-11-19 04:52:08,721 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 04:52:08,730 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 04:52:08,742 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 04:52:12,967 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume !false; [2023-11-19 04:52:12,967 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume false; [2023-11-19 04:52:12,967 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2023-11-19 04:52:12,968 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2023-11-19 04:52:12,968 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##122: assume !false; [2023-11-19 04:52:12,968 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##121: assume false; [2023-11-19 04:52:13,001 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:52:13,870 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:52:13,870 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:52:13,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:52:13 BoogieIcfgContainer [2023-11-19 04:52:13,879 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:52:13,881 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:52:13,882 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:52:13,885 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:52:13,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:52:04" (1/3) ... [2023-11-19 04:52:13,887 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b73a840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:52:13, skipping insertion in model container [2023-11-19 04:52:13,887 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:06" (2/3) ... [2023-11-19 04:52:13,887 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b73a840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:52:13, skipping insertion in model container [2023-11-19 04:52:13,888 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:52:13" (3/3) ... [2023-11-19 04:52:13,889 INFO L112 eAbstractionObserver]: Analyzing ICFG diskperf.i.cil-2.c [2023-11-19 04:52:13,911 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:52:13,911 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:52:13,972 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:52:13,978 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;@6085c24, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:52:13,979 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:52:13,986 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) [2023-11-19 04:52:13,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:52:13,995 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:52:13,996 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:52:13,997 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:52:14,003 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:52:14,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1186268791, now seen corresponding path program 1 times [2023-11-19 04:52:14,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:52:14,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774566379] [2023-11-19 04:52:14,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:52:14,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:52:22,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:52:23,257 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 04:52:23,258 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:52:23,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774566379] [2023-11-19 04:52:23,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774566379] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:52:23,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:52:23,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:52:23,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337937521] [2023-11-19 04:52:23,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:52:23,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:52:23,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:52:23,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:52:23,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:52:23,318 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) [2023-11-19 04:52:25,893 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 [] [2023-11-19 04:52:27,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-19 04:52:29,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:52:31,972 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 [] [2023-11-19 04:52:32,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:52:32,227 INFO L93 Difference]: Finished difference Result 626 states and 934 transitions. [2023-11-19 04:52:32,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:52:32,231 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 [2023-11-19 04:52:32,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:52:32,254 INFO L225 Difference]: With dead ends: 626 [2023-11-19 04:52:32,255 INFO L226 Difference]: Without dead ends: 395 [2023-11-19 04:52:32,262 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 04:52:32,266 INFO L413 NwaCegarLoop]: 430 mSDtfsCounter, 237 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 9 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2023-11-19 04:52:32,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 660 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 137 Invalid, 4 Unknown, 0 Unchecked, 8.7s Time] [2023-11-19 04:52:32,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2023-11-19 04:52:32,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 392. [2023-11-19 04:52:32,416 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) [2023-11-19 04:52:32,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 545 transitions. [2023-11-19 04:52:32,430 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 545 transitions. Word has length 9 [2023-11-19 04:52:32,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:52:32,431 INFO L495 AbstractCegarLoop]: Abstraction has 392 states and 545 transitions. [2023-11-19 04:52:32,432 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) [2023-11-19 04:52:32,432 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 545 transitions. [2023-11-19 04:52:32,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:52:32,435 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:52:32,435 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:52:32,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:52:32,436 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:52:32,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:52:32,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1841931250, now seen corresponding path program 1 times [2023-11-19 04:52:32,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:52:32,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977474911] [2023-11-19 04:52:32,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:52:32,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:52:39,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:52:39,925 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 04:52:39,926 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:52:39,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977474911] [2023-11-19 04:52:39,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977474911] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:52:39,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:52:39,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:52:39,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671746427] [2023-11-19 04:52:39,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:52:39,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:52:39,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:52:39,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:52:39,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:52:39,931 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) [2023-11-19 04:52:42,308 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 [] [2023-11-19 04:52:44,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:52:46,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-19 04:52:46,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:52:46,742 INFO L93 Difference]: Finished difference Result 411 states and 570 transitions. [2023-11-19 04:52:46,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:52:46,743 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 [2023-11-19 04:52:46,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:52:46,747 INFO L225 Difference]: With dead ends: 411 [2023-11-19 04:52:46,748 INFO L226 Difference]: Without dead ends: 392 [2023-11-19 04:52:46,748 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 [2023-11-19 04:52:46,750 INFO L413 NwaCegarLoop]: 321 mSDtfsCounter, 4 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s 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, 6.8s IncrementalHoareTripleChecker+Time [2023-11-19 04:52:46,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 609 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 123 Invalid, 2 Unknown, 0 Unchecked, 6.8s Time] [2023-11-19 04:52:46,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2023-11-19 04:52:46,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 392. [2023-11-19 04:52:46,783 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) [2023-11-19 04:52:46,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 544 transitions. [2023-11-19 04:52:46,788 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 544 transitions. Word has length 11 [2023-11-19 04:52:46,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:52:46,788 INFO L495 AbstractCegarLoop]: Abstraction has 392 states and 544 transitions. [2023-11-19 04:52:46,788 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) [2023-11-19 04:52:46,789 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 544 transitions. [2023-11-19 04:52:46,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:52:46,791 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:52:46,791 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:52:46,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 04:52:46,791 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:52:46,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:52:46,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1191895756, now seen corresponding path program 1 times [2023-11-19 04:52:46,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:52:46,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102994141] [2023-11-19 04:52:46,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:52:46,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:52:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:52:54,048 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 04:52:54,049 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:52:54,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102994141] [2023-11-19 04:52:54,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102994141] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:52:54,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:52:54,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:52:54,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886874010] [2023-11-19 04:52:54,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:52:54,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:52:54,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:52:54,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:52:54,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:52:54,052 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) [2023-11-19 04:52:57,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:52:57,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:52:57,305 INFO L93 Difference]: Finished difference Result 932 states and 1311 transitions. [2023-11-19 04:52:57,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:52:57,306 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 04:52:57,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:52:57,313 INFO L225 Difference]: With dead ends: 932 [2023-11-19 04:52:57,313 INFO L226 Difference]: Without dead ends: 628 [2023-11-19 04:52:57,315 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 04:52:57,316 INFO L413 NwaCegarLoop]: 347 mSDtfsCounter, 294 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s 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, 3.2s IncrementalHoareTripleChecker+Time [2023-11-19 04:52:57,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 576 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 80 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2023-11-19 04:52:57,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2023-11-19 04:52:57,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 601. [2023-11-19 04:52:57,365 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) [2023-11-19 04:52:57,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 848 transitions. [2023-11-19 04:52:57,372 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 848 transitions. Word has length 15 [2023-11-19 04:52:57,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:52:57,373 INFO L495 AbstractCegarLoop]: Abstraction has 601 states and 848 transitions. [2023-11-19 04:52:57,373 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 04:52:57,374 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 848 transitions. [2023-11-19 04:52:57,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:52:57,375 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:52:57,375 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:52:57,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 04:52:57,376 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:52:57,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:52:57,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1340994971, now seen corresponding path program 1 times [2023-11-19 04:52:57,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:52:57,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448643786] [2023-11-19 04:52:57,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:52:57,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms