./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 600276f17a788d89542ab4bc1cb35a7ee9259aa7d76b73bd966dc12f7082896c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:00:03,273 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:00:03,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:00:03,343 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:00:03,344 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:00:03,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:00:03,351 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:00:03,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:00:03,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:00:03,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:00:03,366 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:00:03,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:00:03,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:00:03,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:00:03,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:00:03,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:00:03,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:00:03,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:00:03,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:00:03,396 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:00:03,398 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:00:03,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:00:03,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:00:03,404 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:00:03,414 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:00:03,415 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:00:03,415 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:00:03,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:00:03,418 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:00:03,420 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:00:03,420 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:00:03,422 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:00:03,424 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:00:03,425 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:00:03,427 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:00:03,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:00:03,428 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:00:03,428 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:00:03,429 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:00:03,430 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:00:03,431 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:00:03,432 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 14:00:03,480 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:00:03,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:00:03,482 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:00:03,482 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:00:03,482 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:00:03,483 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:00:03,490 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:00:03,490 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:00:03,490 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:00:03,491 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:00:03,492 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:00:03,492 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:00:03,492 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:00:03,493 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:00:03,493 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:00:03,493 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:00:03,494 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:00:03,494 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:00:03,495 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:00:03,495 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:00:03,495 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:00:03,495 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:00:03,495 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:00:03,496 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:00:03,496 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:00:03,496 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:00:03,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:00:03,497 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:00:03,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:00:03,497 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:00:03,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:00:03,498 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:00:03,498 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:00:03,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:00:03,499 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:00:03,499 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:00:03,499 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:00:03,499 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 600276f17a788d89542ab4bc1cb35a7ee9259aa7d76b73bd966dc12f7082896c [2021-11-19 14:00:03,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:00:03,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:00:03,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:00:03,861 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:00:03,862 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:00:03,864 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2021-11-19 14:00:03,950 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/data/b4bdfa391/cca4e4cb95d44334a3f6f03308a469b1/FLAG045e28394 [2021-11-19 14:00:05,419 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:00:05,420 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2021-11-19 14:00:05,520 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/data/b4bdfa391/cca4e4cb95d44334a3f6f03308a469b1/FLAG045e28394 [2021-11-19 14:00:05,877 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/data/b4bdfa391/cca4e4cb95d44334a3f6f03308a469b1 [2021-11-19 14:00:05,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:00:05,882 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:00:05,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:00:05,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:00:05,888 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:00:05,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:00:05" (1/1) ... [2021-11-19 14:00:05,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cf5df6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:05, skipping insertion in model container [2021-11-19 14:00:05,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:00:05" (1/1) ... [2021-11-19 14:00:05,899 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:00:06,277 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:00:08,727 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:08,796 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:08,815 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:08,831 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:08,848 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:08,872 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:08,928 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:08,929 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:08,934 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:08,993 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:09,011 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:09,028 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:09,054 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:09,200 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:09,202 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:09,203 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:09,207 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:09,208 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:09,209 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:09,232 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:09,234 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:09,632 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:09,661 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:09,662 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:09,663 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:09,675 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:09,676 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:09,677 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:09,689 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:10,778 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:10,783 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:10,785 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:10,793 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:10,794 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:10,797 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:10,820 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:10,833 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:10,834 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:10,835 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:10,870 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:10,902 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:10,940 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:10,941 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:10,942 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:10,959 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:10,972 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:10,985 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:11,019 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:11,020 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:11,020 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:11,034 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:11,035 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:11,036 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:11,036 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:11,040 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:11,048 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:11,049 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:11,050 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:11,051 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:11,052 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:11,072 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:11,072 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:11,075 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:11,077 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:11,080 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:11,085 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:11,086 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:11,118 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:12,635 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:12,639 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:12,691 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:12,719 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:12,729 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:12,738 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:12,747 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:13,273 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:13,274 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:13,566 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:13,567 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:13,571 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:13,571 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:13,969 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:13,980 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:14,016 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:14,103 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:14,115 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:14,117 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:14,122 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:14,207 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:14,208 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:14,240 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:14,252 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:14,265 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:14,265 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:14,267 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:14,268 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:14,268 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:14,271 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:14,283 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:14,296 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:14,299 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:14,322 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:14,328 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:14,339 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:14,361 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:14,372 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:14,374 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:14,378 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:14,580 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:14,593 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:14,605 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:14,618 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:14,683 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:15,117 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:15,898 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:15,909 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:15,910 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:15,912 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:15,913 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:15,914 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:15,916 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:15,917 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:15,942 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:15,943 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:15,956 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:15,956 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:15,977 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:15,988 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:16,464 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:16,676 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:16,677 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:16,677 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:16,679 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:16,680 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:16,680 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:16,712 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:16,899 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:17,161 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:17,171 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:17,172 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:17,172 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:17,173 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:17,195 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:17,195 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:17,196 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:17,208 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:17,209 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:17,223 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:17,223 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:17,224 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:17,253 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:17,265 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:17,268 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:17,271 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:17,273 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:17,275 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:17,287 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:17,299 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:17,328 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:17,588 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:17,657 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:17,658 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:17,678 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:17,689 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:17,705 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:17,706 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:17,706 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:00:17,730 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i[722028,722041] [2021-11-19 14:00:18,334 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:00:18,419 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-19 14:00:18,420 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6dce6830 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:18, skipping insertion in model container [2021-11-19 14:00:18,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:00:18,420 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:00:18,423 INFO L158 Benchmark]: Toolchain (without parser) took 12539.33ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 72.1MB in the beginning and 102.2MB in the end (delta: -30.1MB). Peak memory consumption was 106.0MB. Max. memory is 16.1GB. [2021-11-19 14:00:18,424 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 96.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:00:18,425 INFO L158 Benchmark]: CACSL2BoogieTranslator took 12536.57ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 71.7MB in the beginning and 102.2MB in the end (delta: -30.5MB). Peak memory consumption was 106.0MB. Max. memory is 16.1GB. [2021-11-19 14:00:18,427 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 96.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 12536.57ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 71.7MB in the beginning and 102.2MB in the end (delta: -30.5MB). Peak memory consumption was 106.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6482]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 600276f17a788d89542ab4bc1cb35a7ee9259aa7d76b73bd966dc12f7082896c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:00:21,024 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:00:21,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:00:21,090 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:00:21,091 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:00:21,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:00:21,098 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:00:21,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:00:21,107 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:00:21,115 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:00:21,117 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:00:21,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:00:21,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:00:21,123 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:00:21,125 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:00:21,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:00:21,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:00:21,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:00:21,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:00:21,143 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:00:21,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:00:21,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:00:21,150 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:00:21,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:00:21,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:00:21,155 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:00:21,156 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:00:21,157 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:00:21,158 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:00:21,159 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:00:21,159 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:00:21,160 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:00:21,161 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:00:21,162 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:00:21,163 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:00:21,164 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:00:21,171 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:00:21,171 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:00:21,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:00:21,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:00:21,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:00:21,175 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 14:00:21,201 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:00:21,202 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:00:21,203 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:00:21,203 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:00:21,203 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:00:21,204 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:00:21,204 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:00:21,204 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:00:21,204 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:00:21,205 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:00:21,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:00:21,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:00:21,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:00:21,206 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:00:21,207 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:00:21,207 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:00:21,207 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:00:21,207 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:00:21,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:00:21,208 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:00:21,208 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:00:21,208 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:00:21,209 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:00:21,209 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:00:21,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:00:21,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:00:21,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:00:21,210 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:00:21,210 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:00:21,210 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:00:21,211 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:00:21,211 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:00:21,211 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:00:21,212 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 600276f17a788d89542ab4bc1cb35a7ee9259aa7d76b73bd966dc12f7082896c [2021-11-19 14:00:21,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:00:21,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:00:21,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:00:21,797 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:00:21,798 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:00:21,800 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2021-11-19 14:00:21,890 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/data/a869f327a/99e5e900669c46ada2e2b6abcc6cdb56/FLAG473d9298b [2021-11-19 14:00:23,511 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:00:23,512 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2021-11-19 14:00:23,633 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/data/a869f327a/99e5e900669c46ada2e2b6abcc6cdb56/FLAG473d9298b [2021-11-19 14:00:23,911 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/data/a869f327a/99e5e900669c46ada2e2b6abcc6cdb56 [2021-11-19 14:00:23,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:00:23,916 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:00:23,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:00:23,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:00:23,922 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:00:23,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:00:23" (1/1) ... [2021-11-19 14:00:23,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aa21422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:23, skipping insertion in model container [2021-11-19 14:00:23,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:00:23" (1/1) ... [2021-11-19 14:00:23,933 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:00:24,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:00:37,863 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i[722028,722041] [2021-11-19 14:00:38,524 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:00:38,634 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 14:00:38,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:00:39,996 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i[722028,722041] [2021-11-19 14:00:40,031 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:00:40,095 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:00:41,630 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i[722028,722041] [2021-11-19 14:00:41,659 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:00:42,433 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:00:42,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:42 WrapperNode [2021-11-19 14:00:42,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:00:42,436 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:00:42,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:00:42,436 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:00:42,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:42" (1/1) ... [2021-11-19 14:00:42,782 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:42" (1/1) ... [2021-11-19 14:00:43,155 INFO L137 Inliner]: procedures = 1061, calls = 9656, calls flagged for inlining = 360, calls inlined = 140, statements flattened = 6721 [2021-11-19 14:00:43,157 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:00:43,158 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:00:43,158 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:00:43,159 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:00:43,169 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:42" (1/1) ... [2021-11-19 14:00:43,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:42" (1/1) ... [2021-11-19 14:00:43,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:42" (1/1) ... [2021-11-19 14:00:43,240 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:42" (1/1) ... [2021-11-19 14:00:43,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:42" (1/1) ... [2021-11-19 14:00:43,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:42" (1/1) ... [2021-11-19 14:00:43,721 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:42" (1/1) ... [2021-11-19 14:00:43,783 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:00:43,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:00:43,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:00:43,785 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:00:43,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:42" (1/1) ... [2021-11-19 14:00:43,794 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:00:43,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:00:43,818 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:00:43,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:00:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dummy_query_bo_prepare [2021-11-19 14:00:43,874 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dummy_query_bo_prepare [2021-11-19 14:00:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_destroy [2021-11-19 14:00:43,875 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_destroy [2021-11-19 14:00:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2021-11-19 14:00:43,875 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2021-11-19 14:00:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_init [2021-11-19 14:00:43,875 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_init [2021-11-19 14:00:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2021-11-19 14:00:43,876 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2021-11-19 14:00:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-19 14:00:43,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-19 14:00:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_crtc_set_config [2021-11-19 14:00:43,877 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_crtc_set_config [2021-11-19 14:00:43,877 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_eu_backoff_reservation [2021-11-19 14:00:43,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_eu_backoff_reservation [2021-11-19 14:00:43,877 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mtrr_del [2021-11-19 14:00:43,877 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mtrr_del [2021-11-19 14:00:43,877 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_move_buffer [2021-11-19 14:00:43,878 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_move_buffer [2021-11-19 14:00:43,878 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_firstopen [2021-11-19 14:00:43,878 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_firstopen [2021-11-19 14:00:43,878 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_lastclose [2021-11-19 14:00:43,878 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_lastclose [2021-11-19 14:00:43,879 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_pause_all [2021-11-19 14:00:43,879 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_pause_all [2021-11-19 14:00:43,879 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_surface_destroy [2021-11-19 14:00:43,879 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_surface_destroy [2021-11-19 14:00:43,879 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_destroy [2021-11-19 14:00:43,880 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_destroy [2021-11-19 14:00:43,880 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-19 14:00:43,880 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-19 14:00:43,880 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-19 14:00:43,880 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-19 14:00:43,881 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-19 14:00:43,881 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-19 14:00:43,882 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-19 14:00:43,882 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_unreserve [2021-11-19 14:00:43,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_unreserve [2021-11-19 14:00:43,883 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-19 14:00:43,883 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-19 14:00:43,883 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kmap [2021-11-19 14:00:43,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kmap [2021-11-19 14:00:43,883 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-19 14:00:43,884 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-19 14:00:43,884 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_backing_free [2021-11-19 14:00:43,884 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_backing_free [2021-11-19 14:00:43,885 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_vram_or_gmr [2021-11-19 14:00:43,885 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_vram_or_gmr [2021-11-19 14:00:43,885 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kunmap [2021-11-19 14:00:43,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kunmap [2021-11-19 14:00:43,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-11-19 14:00:43,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-11-19 14:00:43,887 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_commit_list [2021-11-19 14:00:43,888 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_commit_list [2021-11-19 14:00:43,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_hw_mutex [2021-11-19 14:00:43,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_hw_mutex [2021-11-19 14:00:43,889 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_emit_dummy_query [2021-11-19 14:00:43,889 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_emit_dummy_query [2021-11-19 14:00:43,890 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_hw_context_destroy [2021-11-19 14:00:43,890 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_hw_context_destroy [2021-11-19 14:00:43,891 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_del_active [2021-11-19 14:00:43,891 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_del_active [2021-11-19 14:00:43,891 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_mem_global_alloc [2021-11-19 14:00:43,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_mem_global_alloc [2021-11-19 14:00:43,891 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ttm_destroy [2021-11-19 14:00:43,892 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ttm_destroy [2021-11-19 14:00:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-19 14:00:43,893 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-19 14:00:43,893 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_resource_release [2021-11-19 14:00:43,893 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_resource_release [2021-11-19 14:00:43,893 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_base_object_init [2021-11-19 14:00:43,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_base_object_init [2021-11-19 14:00:43,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 14:00:43,894 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_waiter_add [2021-11-19 14:00:43,894 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_waiter_add [2021-11-19 14:00:43,894 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_complete [2021-11-19 14:00:43,894 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_complete [2021-11-19 14:00:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_crtc_destroy [2021-11-19 14:00:43,895 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_crtc_destroy [2021-11-19 14:00:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-19 14:00:43,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-19 14:00:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dma_buffer [2021-11-19 14:00:43,896 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dma_buffer [2021-11-19 14:00:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:00:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_cursor_update_image [2021-11-19 14:00:43,897 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_cursor_update_image [2021-11-19 14:00:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_display_unit_cleanup [2021-11-19 14:00:43,897 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_display_unit_cleanup [2021-11-19 14:00:43,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 14:00:43,899 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-19 14:00:43,899 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_destroy [2021-11-19 14:00:43,899 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_destroy [2021-11-19 14:00:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_context_base_release [2021-11-19 14:00:43,900 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_context_base_release [2021-11-19 14:00:43,901 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_passed [2021-11-19 14:00:43,901 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_passed [2021-11-19 14:00:43,901 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-19 14:00:43,901 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-19 14:00:43,902 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_have_pitchlock [2021-11-19 14:00:43,902 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_have_pitchlock [2021-11-19 14:00:43,902 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-19 14:00:43,902 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-19 14:00:43,902 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_stream_destroy [2021-11-19 14:00:43,903 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_stream_destroy [2021-11-19 14:00:43,903 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-19 14:00:43,903 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-19 14:00:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_write [2021-11-19 14:00:43,904 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_write [2021-11-19 14:00:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2021-11-19 14:00:43,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2021-11-19 14:00:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_wait [2021-11-19 14:00:43,906 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_wait [2021-11-19 14:00:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_close [2021-11-19 14:00:43,909 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_close [2021-11-19 14:00:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-19 14:00:43,909 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-19 14:00:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:00:43,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:00:43,912 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_write_svga [2021-11-19 14:00:43,912 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_write_svga [2021-11-19 14:00:43,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_release_mutex [2021-11-19 14:00:43,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_release_mutex [2021-11-19 14:00:43,918 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_init [2021-11-19 14:00:43,919 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_init [2021-11-19 14:00:43,919 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fallback_wait [2021-11-19 14:00:43,919 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fallback_wait [2021-11-19 14:00:43,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 14:00:43,919 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_reference [2021-11-19 14:00:43,919 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_reference [2021-11-19 14:00:43,920 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2021-11-19 14:00:43,920 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2021-11-19 14:00:43,920 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_hw_surface_destroy [2021-11-19 14:00:43,920 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_hw_surface_destroy [2021-11-19 14:00:43,920 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-19 14:00:43,920 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-19 14:00:43,921 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-11-19 14:00:43,921 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-11-19 14:00:43,921 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_reserve [2021-11-19 14:00:43,921 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_reserve [2021-11-19 14:00:43,921 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-19 14:00:43,921 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-19 14:00:43,922 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_off [2021-11-19 14:00:43,922 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_off [2021-11-19 14:00:43,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-19 14:00:43,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-19 14:00:43,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 14:00:43,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 14:00:43,923 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_write_lock [2021-11-19 14:00:43,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_write_lock [2021-11-19 14:00:43,923 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_3d_resource_dec [2021-11-19 14:00:43,923 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_3d_resource_dec [2021-11-19 14:00:43,923 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-19 14:00:43,923 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-19 14:00:43,923 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_device_release [2021-11-19 14:00:43,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_device_release [2021-11-19 14:00:43,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:00:43,924 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-19 14:00:43,924 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-19 14:00:43,924 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_release [2021-11-19 14:00:43,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 14:00:43,925 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-11-19 14:00:43,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-11-19 14:00:43,925 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-11-19 14:00:43,925 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-11-19 14:00:43,925 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ttm_global_release [2021-11-19 14:00:43,925 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ttm_global_release [2021-11-19 14:00:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-19 14:00:43,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-19 14:00:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-19 14:00:43,926 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-19 14:00:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-19 14:00:43,926 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-19 14:00:43,927 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_add_active [2021-11-19 14:00:43,927 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_add_active [2021-11-19 14:00:43,927 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fpriv [2021-11-19 14:00:43,927 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fpriv [2021-11-19 14:00:43,927 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-11-19 14:00:43,927 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-11-19 14:00:43,927 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_eu_reserve_buffers [2021-11-19 14:00:43,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_eu_reserve_buffers [2021-11-19 14:00:43,929 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_kmap_obj_virtual [2021-11-19 14:00:43,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_kmap_obj_virtual [2021-11-19 14:00:43,929 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_start_of_vram [2021-11-19 14:00:43,929 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_start_of_vram [2021-11-19 14:00:43,929 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-19 14:00:43,931 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-19 14:00:43,931 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_set_par [2021-11-19 14:00:43,931 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_set_par [2021-11-19 14:00:43,931 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_pool_populate [2021-11-19 14:00:43,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cmdbuf_mutex [2021-11-19 14:00:43,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cmdbuf_mutex [2021-11-19 14:00:43,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cmdbuf_mutex [2021-11-19 14:00:43,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cmdbuf_mutex [2021-11-19 14:00:43,932 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_crtc_destroy [2021-11-19 14:00:43,932 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_crtc_destroy [2021-11-19 14:00:43,932 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_clean_mm [2021-11-19 14:00:43,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_clean_mm [2021-11-19 14:00:43,933 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_send_stop [2021-11-19 14:00:43,933 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_send_stop [2021-11-19 14:00:43,933 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:00:43,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:00:43,933 INFO L130 BoogieDeclarations]: Found specification of procedure drm_vblank_cleanup [2021-11-19 14:00:43,933 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_vblank_cleanup [2021-11-19 14:00:43,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 14:00:43,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 14:00:43,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 14:00:43,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 14:00:43,934 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-19 14:00:43,934 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-19 14:00:43,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 14:00:43,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 14:00:43,935 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_unref [2021-11-19 14:00:43,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_unref [2021-11-19 14:00:43,935 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_create [2021-11-19 14:00:43,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_create [2021-11-19 14:00:43,935 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_resource_unreference [2021-11-19 14:00:43,936 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_resource_unreference [2021-11-19 14:00:43,936 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2021-11-19 14:00:43,936 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2021-11-19 14:00:43,936 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_bo_get_guest_ptr [2021-11-19 14:00:43,936 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_bo_get_guest_ptr [2021-11-19 14:00:43,936 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_placement [2021-11-19 14:00:43,937 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_placement [2021-11-19 14:00:43,937 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-19 14:00:43,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-19 14:00:43,937 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fences_update [2021-11-19 14:00:43,937 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fences_update [2021-11-19 14:00:43,937 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sync_obj_unref [2021-11-19 14:00:43,938 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sync_obj_unref [2021-11-19 14:00:43,938 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_crtc_set_config [2021-11-19 14:00:43,938 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_crtc_set_config [2021-11-19 14:00:43,938 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-11-19 14:00:43,938 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-11-19 14:00:43,938 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-19 14:00:43,938 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-19 14:00:43,939 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2021-11-19 14:00:43,939 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2021-11-19 14:00:43,939 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_is_full [2021-11-19 14:00:43,940 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_is_full [2021-11-19 14:00:43,941 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_send_put [2021-11-19 14:00:43,941 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_send_put [2021-11-19 14:00:43,941 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_marker_pull [2021-11-19 14:00:43,941 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_marker_pull [2021-11-19 14:00:43,941 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_cleanup [2021-11-19 14:00:43,941 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_cleanup [2021-11-19 14:00:43,941 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-19 14:00:43,942 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-19 14:00:43,942 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_update_seqno [2021-11-19 14:00:43,942 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_update_seqno [2021-11-19 14:00:43,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fb_surf_mutex [2021-11-19 14:00:43,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fb_surf_mutex [2021-11-19 14:00:43,942 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-19 14:00:43,942 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-19 14:00:43,942 INFO L130 BoogieDeclarations]: Found specification of procedure getrawmonotonic [2021-11-19 14:00:43,942 INFO L138 BoogieDeclarations]: Found implementation of procedure getrawmonotonic [2021-11-19 14:00:43,943 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fences_perform_actions [2021-11-19 14:00:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fences_perform_actions [2021-11-19 14:00:43,943 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_encoder_destroy [2021-11-19 14:00:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_encoder_destroy [2021-11-19 14:00:43,943 INFO L130 BoogieDeclarations]: Found specification of procedure fill_flush [2021-11-19 14:00:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_flush [2021-11-19 14:00:43,943 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2021-11-19 14:00:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2021-11-19 14:00:43,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 14:00:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 14:00:43,944 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_unreference [2021-11-19 14:00:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_unreference [2021-11-19 14:00:43,944 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_unreference [2021-11-19 14:00:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_unreference [2021-11-19 14:00:43,944 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_eu_fence_buffer_objects [2021-11-19 14:00:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_eu_fence_buffer_objects [2021-11-19 14:00:43,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fifo_mutex [2021-11-19 14:00:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fifo_mutex [2021-11-19 14:00:43,944 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-19 14:00:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-19 14:00:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_wait [2021-11-19 14:00:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_wait [2021-11-19 14:00:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_prepare [2021-11-19 14:00:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_prepare [2021-11-19 14:00:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure drm_master_put [2021-11-19 14:00:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_master_put [2021-11-19 14:00:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-19 14:00:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-19 14:00:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_goal_irq_mutex [2021-11-19 14:00:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_goal_irq_mutex [2021-11-19 14:00:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_bo_pin [2021-11-19 14:00:43,946 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_bo_pin [2021-11-19 14:00:43,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:00:43,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:00:43,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 14:00:43,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 14:00:43,946 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-19 14:00:43,946 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-19 14:00:43,946 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_init [2021-11-19 14:00:43,946 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_init [2021-11-19 14:00:43,946 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_sub [2021-11-19 14:00:43,947 INFO L138 BoogieDeclarations]: Found implementation of procedure timespec_sub [2021-11-19 14:00:43,947 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_close [2021-11-19 14:00:43,947 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_close [2021-11-19 14:00:43,947 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_resume [2021-11-19 14:00:43,947 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_resume [2021-11-19 14:00:43,947 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-19 14:00:43,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-19 14:00:43,947 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_unref [2021-11-19 14:00:43,947 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_unref [2021-11-19 14:00:43,947 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_close [2021-11-19 14:00:43,947 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_close [2021-11-19 14:00:43,948 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ttm_unbind [2021-11-19 14:00:43,948 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ttm_unbind [2021-11-19 14:00:43,948 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-11-19 14:00:43,948 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-11-19 14:00:43,948 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_suspend [2021-11-19 14:00:43,948 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_suspend [2021-11-19 14:00:43,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 14:00:43,948 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 14:00:43,948 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_unpin [2021-11-19 14:00:43,948 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_unpin [2021-11-19 14:00:43,948 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_restore_vga [2021-11-19 14:00:43,948 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_restore_vga [2021-11-19 14:00:43,948 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_request_device [2021-11-19 14:00:43,948 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_request_device [2021-11-19 14:00:43,948 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_unreference [2021-11-19 14:00:43,949 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_unreference [2021-11-19 14:00:43,949 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-19 14:00:43,949 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-19 14:00:43,949 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-19 14:00:43,949 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-19 14:00:43,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2021-11-19 14:00:43,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2021-11-19 14:00:43,949 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_unref [2021-11-19 14:00:43,949 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_unref [2021-11-19 14:00:43,949 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_fifo_down [2021-11-19 14:00:43,949 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_fifo_down [2021-11-19 14:00:43,949 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_connector_destroy [2021-11-19 14:00:43,949 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_connector_destroy [2021-11-19 14:00:43,949 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_read [2021-11-19 14:00:43,949 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_read [2021-11-19 14:00:43,950 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2021-11-19 14:00:43,950 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2021-11-19 14:00:43,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 14:00:43,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 14:00:43,950 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 14:00:43,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 14:00:43,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 14:00:43,951 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_destroy_locked [2021-11-19 14:00:43,951 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_destroy_locked [2021-11-19 14:00:43,951 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_fifo_destroy [2021-11-19 14:00:43,951 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_fifo_destroy [2021-11-19 14:00:43,951 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_pool_unpopulate [2021-11-19 14:00:43,951 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_waiter_remove [2021-11-19 14:00:43,951 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_waiter_remove [2021-11-19 14:00:43,952 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_stream_base_release [2021-11-19 14:00:43,952 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_stream_base_release [2021-11-19 14:00:43,952 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_release_device [2021-11-19 14:00:43,952 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_release_device [2021-11-19 14:00:43,952 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_validate [2021-11-19 14:00:43,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_validate [2021-11-19 14:00:43,952 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_driver_unload [2021-11-19 14:00:43,953 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_driver_unload [2021-11-19 14:00:43,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_fb_surf_mutex [2021-11-19 14:00:43,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_fb_surf_mutex [2021-11-19 14:00:43,953 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-19 14:00:43,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-19 14:00:43,953 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-11-19 14:00:43,954 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-11-19 14:00:43,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 14:00:43,954 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_mem_global_free [2021-11-19 14:00:43,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_mem_global_free [2021-11-19 14:00:43,954 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_write_unlock [2021-11-19 14:00:43,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_write_unlock [2021-11-19 14:00:43,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 14:00:43,955 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-19 14:00:43,955 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-19 14:00:43,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 14:00:43,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 14:00:43,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 14:00:43,955 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_destroy_encode [2021-11-19 14:00:43,956 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_destroy_encode [2021-11-19 14:00:43,956 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_work_func [2021-11-19 14:00:43,956 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_work_func [2021-11-19 14:00:43,956 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_update_stream [2021-11-19 14:00:43,956 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_update_stream [2021-11-19 14:00:43,956 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_reference [2021-11-19 14:00:43,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_reference [2021-11-19 14:00:43,957 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2021-11-19 14:00:43,957 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2021-11-19 14:00:43,957 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_connector_destroy [2021-11-19 14:00:43,957 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_connector_destroy [2021-11-19 14:00:43,957 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_encoder_destroy [2021-11-19 14:00:43,957 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_encoder_destroy [2021-11-19 14:00:43,958 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_cursor_update_dmabuf [2021-11-19 14:00:43,958 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_cursor_update_dmabuf [2021-11-19 14:00:43,958 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-19 14:00:43,958 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-19 14:00:43,958 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-19 14:00:43,958 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-19 14:00:43,958 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_unpin [2021-11-19 14:00:43,959 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_unpin [2021-11-19 14:00:43,959 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_fence_base_release [2021-11-19 14:00:43,959 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_fence_base_release [2021-11-19 14:00:43,959 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0 [2021-11-19 14:00:43,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0 [2021-11-19 14:00:43,959 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-19 14:00:43,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-19 14:00:43,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_release_mutex [2021-11-19 14:00:43,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_release_mutex [2021-11-19 14:00:43,960 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_3d_resource_inc [2021-11-19 14:00:43,960 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_3d_resource_inc [2021-11-19 14:00:43,960 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_stop [2021-11-19 14:00:43,960 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_stop [2021-11-19 14:00:43,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 14:00:43,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 14:00:43,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 14:00:43,961 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_priv [2021-11-19 14:00:43,961 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_priv [2021-11-19 14:00:43,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 14:00:43,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_goal_irq_mutex [2021-11-19 14:00:43,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_goal_irq_mutex [2021-11-19 14:00:43,962 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_commit [2021-11-19 14:00:43,962 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_commit [2021-11-19 14:00:43,962 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_init [2021-11-19 14:00:43,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-19 14:00:43,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-19 14:00:43,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_hw_mutex [2021-11-19 14:00:43,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_hw_mutex [2021-11-19 14:00:43,963 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_event_fence_action_cleanup [2021-11-19 14:00:43,963 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_event_fence_action_cleanup [2021-11-19 14:00:43,963 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_unpin_panic [2021-11-19 14:00:43,963 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_unpin_panic [2021-11-19 14:00:43,964 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_backing_alloc [2021-11-19 14:00:43,964 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_backing_alloc [2021-11-19 14:00:43,964 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_signaled [2021-11-19 14:00:43,964 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_signaled [2021-11-19 14:00:43,964 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_resume_all [2021-11-19 14:00:43,964 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_resume_all [2021-11-19 14:00:43,965 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_reserve [2021-11-19 14:00:43,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_reserve [2021-11-19 14:00:43,965 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_idle [2021-11-19 14:00:43,965 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_idle [2021-11-19 14:00:43,965 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_reference [2021-11-19 14:00:43,965 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_reference [2021-11-19 14:00:43,965 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 14:00:43,966 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 14:00:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_base_object_unref [2021-11-19 14:00:43,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_base_object_unref [2021-11-19 14:00:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_master [2021-11-19 14:00:43,966 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_master [2021-11-19 14:00:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_fence_create [2021-11-19 14:00:43,966 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_fence_create [2021-11-19 14:00:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_vram [2021-11-19 14:00:43,967 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_vram [2021-11-19 14:00:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_remove [2021-11-19 14:00:43,967 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_remove [2021-11-19 14:00:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_destroy_size [2021-11-19 14:00:43,967 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_destroy_size [2021-11-19 14:00:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure drm_framebuffer_cleanup [2021-11-19 14:00:43,968 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_framebuffer_cleanup [2021-11-19 14:00:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_pin [2021-11-19 14:00:43,968 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_pin [2021-11-19 14:00:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2021-11-19 14:00:43,968 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2021-11-19 14:00:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2021-11-19 14:00:43,969 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2021-11-19 14:00:43,969 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_surface_base_release [2021-11-19 14:00:43,969 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_surface_base_release [2021-11-19 14:00:43,969 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_mem_glob [2021-11-19 14:00:43,969 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_mem_glob [2021-11-19 14:00:43,969 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_fence_commands [2021-11-19 14:00:43,969 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_fence_commands [2021-11-19 14:00:43,970 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_ping_host [2021-11-19 14:00:43,970 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_ping_host [2021-11-19 14:00:43,970 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_object_device_release [2021-11-19 14:00:43,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_object_device_release [2021-11-19 14:00:43,970 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_release [2021-11-19 14:00:43,970 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_release [2021-11-19 14:00:43,971 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2021-11-19 14:00:43,971 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2021-11-19 14:00:43,971 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_send_fence [2021-11-19 14:00:43,971 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_send_fence [2021-11-19 14:00:43,971 INFO L130 BoogieDeclarations]: Found specification of procedure fill_escape [2021-11-19 14:00:43,971 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_escape [2021-11-19 14:00:43,971 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_manager_takedown [2021-11-19 14:00:43,972 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_manager_takedown [2021-11-19 14:00:43,972 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-19 14:00:43,972 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-19 14:00:43,972 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_release_pinned_bo [2021-11-19 14:00:43,972 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_release_pinned_bo [2021-11-19 14:00:43,972 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-11-19 14:00:43,972 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-11-19 14:00:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 14:00:43,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 14:00:43,973 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_timespec [2021-11-19 14:00:43,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_timespec [2021-11-19 14:00:45,325 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:00:45,335 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:03:40,030 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:03:40,061 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:03:40,061 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 14:03:40,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:03:40 BoogieIcfgContainer [2021-11-19 14:03:40,070 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:03:40,072 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:03:40,072 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:03:40,075 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:03:40,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:00:23" (1/3) ... [2021-11-19 14:03:40,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@405ffab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:03:40, skipping insertion in model container [2021-11-19 14:03:40,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:42" (2/3) ... [2021-11-19 14:03:40,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@405ffab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:03:40, skipping insertion in model container [2021-11-19 14:03:40,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:03:40" (3/3) ... [2021-11-19 14:03:40,079 INFO L111 eAbstractionObserver]: Analyzing ICFG main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2021-11-19 14:03:40,085 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:03:40,085 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 14:03:40,159 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:03:40,167 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 14:03:40,167 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 14:03:40,258 INFO L276 IsEmpty]: Start isEmpty. Operand has 3067 states, 1875 states have (on average 1.2597333333333334) internal successors, (2362), 1994 states have internal predecessors, (2362), 960 states have call successors, (960), 230 states have call predecessors, (960), 230 states have return successors, (960), 931 states have call predecessors, (960), 960 states have call successors, (960) [2021-11-19 14:03:40,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-19 14:03:40,264 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:03:40,264 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:03:40,265 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:03:40,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:03:40,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1840002574, now seen corresponding path program 1 times [2021-11-19 14:03:40,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:03:40,305 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1450646965] [2021-11-19 14:03:40,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:03:40,306 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:03:40,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:03:40,310 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:03:40,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 14:03:47,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:03:47,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 6228 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:03:48,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:03:48,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:03:48,301 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:03:48,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:03:48,536 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:03:48,536 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1450646965] [2021-11-19 14:03:48,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1450646965] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:03:48,537 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:03:48,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:03:48,539 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192905708] [2021-11-19 14:03:48,540 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:03:48,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:03:48,545 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:03:48,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:03:48,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:03:48,586 INFO L87 Difference]: Start difference. First operand has 3067 states, 1875 states have (on average 1.2597333333333334) internal successors, (2362), 1994 states have internal predecessors, (2362), 960 states have call successors, (960), 230 states have call predecessors, (960), 230 states have return successors, (960), 931 states have call predecessors, (960), 960 states have call successors, (960) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 14:03:51,757 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:03:52,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:03:52,655 INFO L93 Difference]: Finished difference Result 9038 states and 13207 transitions. [2021-11-19 14:03:52,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:03:52,658 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2021-11-19 14:03:52,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:03:52,750 INFO L225 Difference]: With dead ends: 9038 [2021-11-19 14:03:52,750 INFO L226 Difference]: Without dead ends: 5920 [2021-11-19 14:03:52,792 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:03:52,795 INFO L933 BasicCegarLoop]: 5672 mSDtfsCounter, 4275 mSDsluCounter, 4121 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4275 SdHoareTripleChecker+Valid, 9793 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:03:52,797 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4275 Valid, 9793 Invalid, 12 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2021-11-19 14:03:52,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5920 states. [2021-11-19 14:03:53,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5920 to 5905. [2021-11-19 14:03:53,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5905 states, 3609 states have (on average 1.2446661124965364) internal successors, (4492), 3808 states have internal predecessors, (4492), 1847 states have call successors, (1847), 452 states have call predecessors, (1847), 448 states have return successors, (1946), 1763 states have call predecessors, (1946), 1819 states have call successors, (1946) [2021-11-19 14:03:53,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5905 states to 5905 states and 8285 transitions. [2021-11-19 14:03:53,442 INFO L78 Accepts]: Start accepts. Automaton has 5905 states and 8285 transitions. Word has length 12 [2021-11-19 14:03:53,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:03:53,444 INFO L470 AbstractCegarLoop]: Abstraction has 5905 states and 8285 transitions. [2021-11-19 14:03:53,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 14:03:53,445 INFO L276 IsEmpty]: Start isEmpty. Operand 5905 states and 8285 transitions. [2021-11-19 14:03:53,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-19 14:03:53,448 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:03:53,448 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:03:53,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 14:03:53,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:03:53,649 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:03:53,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:03:53,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1203679267, now seen corresponding path program 1 times [2021-11-19 14:03:53,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:03:53,665 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1934306595] [2021-11-19 14:03:53,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:03:53,665 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:03:53,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:03:53,666 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:03:53,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 14:04:01,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:04:01,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 6229 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:04:01,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:04:01,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:04:01,647 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:04:01,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:04:01,854 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:04:01,854 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1934306595] [2021-11-19 14:04:01,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1934306595] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:04:01,855 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:04:01,855 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:04:01,855 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552756493] [2021-11-19 14:04:01,856 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:04:01,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:04:01,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:04:01,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:04:01,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:04:01,858 INFO L87 Difference]: Start difference. First operand 5905 states and 8285 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 14:04:05,023 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:04:05,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:04:05,388 INFO L93 Difference]: Finished difference Result 5907 states and 8286 transitions. [2021-11-19 14:04:05,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:04:05,388 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2021-11-19 14:04:05,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:04:05,445 INFO L225 Difference]: With dead ends: 5907 [2021-11-19 14:04:05,445 INFO L226 Difference]: Without dead ends: 5904 [2021-11-19 14:04:05,450 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:04:05,455 INFO L933 BasicCegarLoop]: 4189 mSDtfsCounter, 4180 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4180 SdHoareTripleChecker+Valid, 4191 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:04:05,457 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4180 Valid, 4191 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2021-11-19 14:04:05,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5904 states. [2021-11-19 14:04:05,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5904 to 5904. [2021-11-19 14:04:05,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5904 states, 3609 states have (on average 1.2443890274314215) internal successors, (4491), 3807 states have internal predecessors, (4491), 1846 states have call successors, (1846), 452 states have call predecessors, (1846), 448 states have return successors, (1946), 1763 states have call predecessors, (1946), 1819 states have call successors, (1946) [2021-11-19 14:04:05,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5904 states to 5904 states and 8283 transitions. [2021-11-19 14:04:05,928 INFO L78 Accepts]: Start accepts. Automaton has 5904 states and 8283 transitions. Word has length 13 [2021-11-19 14:04:05,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:04:05,928 INFO L470 AbstractCegarLoop]: Abstraction has 5904 states and 8283 transitions. [2021-11-19 14:04:05,929 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 14:04:05,929 INFO L276 IsEmpty]: Start isEmpty. Operand 5904 states and 8283 transitions. [2021-11-19 14:04:05,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-19 14:04:05,930 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:04:05,930 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:04:06,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 14:04:06,130 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:04:06,131 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:04:06,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:04:06,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1342469199, now seen corresponding path program 1 times [2021-11-19 14:04:06,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:04:06,138 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1768802743] [2021-11-19 14:04:06,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:04:06,138 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:04:06,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:04:06,140 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:04:06,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 14:04:13,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:04:13,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 6230 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:04:13,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:04:13,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:04:13,626 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:04:13,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:04:13,847 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:04:13,847 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1768802743] [2021-11-19 14:04:13,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1768802743] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:04:13,848 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:04:13,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:04:13,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740637923] [2021-11-19 14:04:13,849 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:04:13,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:04:13,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:04:13,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:04:13,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:04:13,850 INFO L87 Difference]: Start difference. First operand 5904 states and 8283 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 14:04:16,994 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:04:17,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:04:17,430 INFO L93 Difference]: Finished difference Result 5920 states and 8293 transitions. [2021-11-19 14:04:17,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:04:17,431 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2021-11-19 14:04:17,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:04:17,483 INFO L225 Difference]: With dead ends: 5920 [2021-11-19 14:04:17,483 INFO L226 Difference]: Without dead ends: 5916 [2021-11-19 14:04:17,491 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:04:17,501 INFO L933 BasicCegarLoop]: 4186 mSDtfsCounter, 4160 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4160 SdHoareTripleChecker+Valid, 4204 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:04:17,503 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4160 Valid, 4204 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2021-11-19 14:04:17,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5916 states. [2021-11-19 14:04:18,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5916 to 5914. [2021-11-19 14:04:18,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5914 states, 3617 states have (on average 1.2430190765828035) internal successors, (4496), 3813 states have internal predecessors, (4496), 1844 states have call successors, (1844), 456 states have call predecessors, (1844), 452 states have return successors, (1946), 1763 states have call predecessors, (1946), 1819 states have call successors, (1946) [2021-11-19 14:04:18,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5914 states to 5914 states and 8286 transitions. [2021-11-19 14:04:18,078 INFO L78 Accepts]: Start accepts. Automaton has 5914 states and 8286 transitions. Word has length 14 [2021-11-19 14:04:18,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:04:18,079 INFO L470 AbstractCegarLoop]: Abstraction has 5914 states and 8286 transitions. [2021-11-19 14:04:18,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 14:04:18,080 INFO L276 IsEmpty]: Start isEmpty. Operand 5914 states and 8286 transitions. [2021-11-19 14:04:18,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-19 14:04:18,082 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:04:18,082 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:04:18,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 14:04:18,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:04:18,298 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:04:18,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:04:18,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1331311846, now seen corresponding path program 1 times [2021-11-19 14:04:18,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:04:18,311 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1068600779] [2021-11-19 14:04:18,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:04:18,311 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:04:18,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:04:18,312 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:04:18,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 14:04:25,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:04:25,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 6231 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:04:25,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:04:26,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:04:26,165 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:04:26,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:04:26,404 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:04:26,404 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1068600779] [2021-11-19 14:04:26,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1068600779] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:04:26,405 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:04:26,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:04:26,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851816435] [2021-11-19 14:04:26,405 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:04:26,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:04:26,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:04:26,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:04:26,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:04:26,406 INFO L87 Difference]: Start difference. First operand 5914 states and 8286 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 14:04:29,559 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:04:30,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:04:30,424 INFO L93 Difference]: Finished difference Result 17279 states and 25742 transitions. [2021-11-19 14:04:30,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:04:30,425 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2021-11-19 14:04:30,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:04:30,562 INFO L225 Difference]: With dead ends: 17279 [2021-11-19 14:04:30,562 INFO L226 Difference]: Without dead ends: 11371 [2021-11-19 14:04:30,623 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:04:30,625 INFO L933 BasicCegarLoop]: 5305 mSDtfsCounter, 4034 mSDsluCounter, 4242 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4034 SdHoareTripleChecker+Valid, 9547 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:04:30,627 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4034 Valid, 9547 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2021-11-19 14:04:30,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11371 states. [2021-11-19 14:04:31,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11371 to 11347. [2021-11-19 14:04:31,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11347 states, 6953 states have (on average 1.2398964475765857) internal successors, (8621), 7327 states have internal predecessors, (8621), 3498 states have call successors, (3498), 904 states have call predecessors, (3498), 895 states have return successors, (4516), 3343 states have call predecessors, (4516), 3451 states have call successors, (4516) [2021-11-19 14:04:31,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11347 states to 11347 states and 16635 transitions. [2021-11-19 14:04:31,600 INFO L78 Accepts]: Start accepts. Automaton has 11347 states and 16635 transitions. Word has length 15 [2021-11-19 14:04:31,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:04:31,600 INFO L470 AbstractCegarLoop]: Abstraction has 11347 states and 16635 transitions. [2021-11-19 14:04:31,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 14:04:31,601 INFO L276 IsEmpty]: Start isEmpty. Operand 11347 states and 16635 transitions. [2021-11-19 14:04:31,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-19 14:04:31,603 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:04:31,603 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:04:31,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 14:04:31,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:04:31,818 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:04:31,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:04:31,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1680816812, now seen corresponding path program 1 times [2021-11-19 14:04:31,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:04:31,829 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [879581608] [2021-11-19 14:04:31,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:04:31,829 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:04:31,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:04:31,830 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:04:31,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 14:04:39,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:04:39,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 6232 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:04:39,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:04:39,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:04:39,663 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:04:39,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:04:39,915 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:04:39,915 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [879581608] [2021-11-19 14:04:39,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [879581608] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:04:39,916 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:04:39,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:04:39,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709067854] [2021-11-19 14:04:39,916 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:04:39,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:04:39,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:04:39,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:04:39,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:04:39,918 INFO L87 Difference]: Start difference. First operand 11347 states and 16635 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 14:04:43,071 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:04:43,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:04:43,704 INFO L93 Difference]: Finished difference Result 11585 states and 16843 transitions. [2021-11-19 14:04:43,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:04:43,705 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2021-11-19 14:04:43,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:04:43,783 INFO L225 Difference]: With dead ends: 11585 [2021-11-19 14:04:43,784 INFO L226 Difference]: Without dead ends: 11581 [2021-11-19 14:04:43,796 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:04:43,797 INFO L933 BasicCegarLoop]: 4214 mSDtfsCounter, 4119 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4119 SdHoareTripleChecker+Valid, 4316 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:04:43,797 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4119 Valid, 4316 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2021-11-19 14:04:43,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11581 states. [2021-11-19 14:04:44,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11581 to 11577. [2021-11-19 14:04:44,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11577 states, 7113 states have (on average 1.235484324476311) internal successors, (8788), 7489 states have internal predecessors, (8788), 3512 states have call successors, (3512), 960 states have call predecessors, (3512), 951 states have return successors, (4532), 3359 states have call predecessors, (4532), 3467 states have call successors, (4532) [2021-11-19 14:04:44,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11577 states to 11577 states and 16832 transitions. [2021-11-19 14:04:44,701 INFO L78 Accepts]: Start accepts. Automaton has 11577 states and 16832 transitions. Word has length 16 [2021-11-19 14:04:44,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:04:44,702 INFO L470 AbstractCegarLoop]: Abstraction has 11577 states and 16832 transitions. [2021-11-19 14:04:44,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 14:04:44,702 INFO L276 IsEmpty]: Start isEmpty. Operand 11577 states and 16832 transitions. [2021-11-19 14:04:44,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-19 14:04:44,706 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:04:44,706 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:04:44,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 14:04:44,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:04:44,930 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:04:44,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:04:44,931 INFO L85 PathProgramCache]: Analyzing trace with hash -567519831, now seen corresponding path program 1 times [2021-11-19 14:04:44,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:04:44,944 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1677969471] [2021-11-19 14:04:44,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:04:44,945 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:04:44,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:04:44,946 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:04:44,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 14:04:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:04:52,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 6233 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:04:52,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:04:52,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:04:52,507 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:04:52,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:04:52,769 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:04:52,769 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1677969471] [2021-11-19 14:04:52,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1677969471] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:04:52,769 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:04:52,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:04:52,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332913929] [2021-11-19 14:04:52,769 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:04:52,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:04:52,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:04:52,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:04:52,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:04:52,770 INFO L87 Difference]: Start difference. First operand 11577 states and 16832 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 14:04:55,914 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:04:56,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:04:56,538 INFO L93 Difference]: Finished difference Result 11781 states and 17010 transitions. [2021-11-19 14:04:56,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:04:56,539 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), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2021-11-19 14:04:56,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:04:56,616 INFO L225 Difference]: With dead ends: 11781 [2021-11-19 14:04:56,616 INFO L226 Difference]: Without dead ends: 11777 [2021-11-19 14:04:56,627 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:04:56,628 INFO L933 BasicCegarLoop]: 4210 mSDtfsCounter, 3922 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3922 SdHoareTripleChecker+Valid, 4500 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:04:56,628 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3922 Valid, 4500 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2021-11-19 14:04:56,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11777 states. [2021-11-19 14:04:57,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11777 to 11775. [2021-11-19 14:04:57,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11775 states, 7247 states have (on average 1.231268110942459) internal successors, (8923), 7621 states have internal predecessors, (8923), 3526 states have call successors, (3526), 1010 states have call predecessors, (3526), 1001 states have return successors, (4548), 3375 states have call predecessors, (4548), 3483 states have call successors, (4548) [2021-11-19 14:04:57,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11775 states to 11775 states and 16997 transitions. [2021-11-19 14:04:57,573 INFO L78 Accepts]: Start accepts. Automaton has 11775 states and 16997 transitions. Word has length 17 [2021-11-19 14:04:57,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:04:57,574 INFO L470 AbstractCegarLoop]: Abstraction has 11775 states and 16997 transitions. [2021-11-19 14:04:57,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 14:04:57,574 INFO L276 IsEmpty]: Start isEmpty. Operand 11775 states and 16997 transitions. [2021-11-19 14:04:57,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-19 14:04:57,581 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:04:57,581 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:04:57,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-19 14:04:57,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:04:57,794 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:04:57,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:04:57,795 INFO L85 PathProgramCache]: Analyzing trace with hash -415046921, now seen corresponding path program 1 times [2021-11-19 14:04:57,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:04:57,804 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [933779102] [2021-11-19 14:04:57,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:04:57,805 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:04:57,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:04:57,806 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:04:57,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-19 14:05:05,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:05:05,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 6234 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:05:05,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:05:05,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:05:05,607 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:05:05,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:05:05,906 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:05:05,906 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [933779102] [2021-11-19 14:05:05,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [933779102] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:05:05,906 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:05:05,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:05:05,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379590998] [2021-11-19 14:05:05,906 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:05:05,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:05:05,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:05:05,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:05:05,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:05:05,908 INFO L87 Difference]: Start difference. First operand 11775 states and 16997 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 14:05:09,112 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:05:09,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:05:09,652 INFO L93 Difference]: Finished difference Result 11777 states and 16998 transitions. [2021-11-19 14:05:09,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:05:09,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2021-11-19 14:05:09,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:05:09,730 INFO L225 Difference]: With dead ends: 11777 [2021-11-19 14:05:09,730 INFO L226 Difference]: Without dead ends: 11774 [2021-11-19 14:05:09,741 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:05:09,742 INFO L933 BasicCegarLoop]: 4175 mSDtfsCounter, 4161 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4161 SdHoareTripleChecker+Valid, 4177 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:05:09,743 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4161 Valid, 4177 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2021-11-19 14:05:09,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11774 states. [2021-11-19 14:05:10,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11774 to 11774. [2021-11-19 14:05:10,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11774 states, 7247 states have (on average 1.2311301228094385) internal successors, (8922), 7620 states have internal predecessors, (8922), 3525 states have call successors, (3525), 1010 states have call predecessors, (3525), 1001 states have return successors, (4548), 3375 states have call predecessors, (4548), 3483 states have call successors, (4548) [2021-11-19 14:05:10,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11774 states to 11774 states and 16995 transitions. [2021-11-19 14:05:10,802 INFO L78 Accepts]: Start accepts. Automaton has 11774 states and 16995 transitions. Word has length 18 [2021-11-19 14:05:10,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:05:10,802 INFO L470 AbstractCegarLoop]: Abstraction has 11774 states and 16995 transitions. [2021-11-19 14:05:10,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 14:05:10,803 INFO L276 IsEmpty]: Start isEmpty. Operand 11774 states and 16995 transitions. [2021-11-19 14:05:10,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-19 14:05:10,805 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:05:10,805 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:05:10,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-19 14:05:11,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:05:11,030 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:05:11,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:05:11,032 INFO L85 PathProgramCache]: Analyzing trace with hash 16650860, now seen corresponding path program 1 times [2021-11-19 14:05:11,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:05:11,046 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1457290175] [2021-11-19 14:05:11,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:05:11,046 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:05:11,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:05:11,047 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:05:11,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-19 14:05:18,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:05:18,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 6235 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:05:18,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:05:18,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:05:18,707 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:05:19,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:05:19,001 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:05:19,001 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1457290175] [2021-11-19 14:05:19,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1457290175] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:05:19,002 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:05:19,002 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:05:19,002 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343009956] [2021-11-19 14:05:19,003 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:05:19,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:05:19,003 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:05:19,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:05:19,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:05:19,004 INFO L87 Difference]: Start difference. First operand 11774 states and 16995 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 14:05:22,171 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:05:23,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:05:23,567 INFO L93 Difference]: Finished difference Result 35144 states and 55104 transitions. [2021-11-19 14:05:23,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:05:23,567 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2021-11-19 14:05:23,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:05:23,740 INFO L225 Difference]: With dead ends: 35144 [2021-11-19 14:05:23,741 INFO L226 Difference]: Without dead ends: 23376 [2021-11-19 14:05:23,874 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:05:23,875 INFO L933 BasicCegarLoop]: 5741 mSDtfsCounter, 4261 mSDsluCounter, 4099 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4261 SdHoareTripleChecker+Valid, 9840 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:05:23,876 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4261 Valid, 9840 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2021-11-19 14:05:23,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23376 states. [2021-11-19 14:05:25,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23376 to 23336. [2021-11-19 14:05:25,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23336 states, 14383 states have (on average 1.2308280609052353) internal successors, (17703), 15112 states have internal predecessors, (17703), 6961 states have call successors, (6961), 2009 states have call predecessors, (6961), 1991 states have return successors, (10431), 6672 states have call predecessors, (10431), 6897 states have call successors, (10431) [2021-11-19 14:05:25,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23336 states to 23336 states and 35095 transitions. [2021-11-19 14:05:25,895 INFO L78 Accepts]: Start accepts. Automaton has 23336 states and 35095 transitions. Word has length 19 [2021-11-19 14:05:25,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:05:25,895 INFO L470 AbstractCegarLoop]: Abstraction has 23336 states and 35095 transitions. [2021-11-19 14:05:25,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 14:05:25,896 INFO L276 IsEmpty]: Start isEmpty. Operand 23336 states and 35095 transitions. [2021-11-19 14:05:25,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-19 14:05:25,900 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:05:25,900 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:05:26,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-19 14:05:26,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:05:26,126 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:05:26,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:05:26,127 INFO L85 PathProgramCache]: Analyzing trace with hash 514385050, now seen corresponding path program 1 times [2021-11-19 14:05:26,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:05:26,136 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [717758076] [2021-11-19 14:05:26,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:05:26,137 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:05:26,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:05:26,138 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:05:26,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-19 14:05:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:05:33,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 6236 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:05:33,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:05:33,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:05:33,886 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:05:34,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:05:34,214 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:05:34,215 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [717758076] [2021-11-19 14:05:34,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [717758076] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:05:34,215 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:05:34,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:05:34,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119342509] [2021-11-19 14:05:34,216 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:05:34,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:05:34,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:05:34,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:05:34,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:05:34,218 INFO L87 Difference]: Start difference. First operand 23336 states and 35095 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 14:05:37,484 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:05:38,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:05:38,714 INFO L93 Difference]: Finished difference Result 23338 states and 35096 transitions. [2021-11-19 14:05:38,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:05:38,714 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2021-11-19 14:05:38,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:05:38,860 INFO L225 Difference]: With dead ends: 23338 [2021-11-19 14:05:38,860 INFO L226 Difference]: Without dead ends: 23335 [2021-11-19 14:05:38,877 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:05:38,880 INFO L933 BasicCegarLoop]: 4171 mSDtfsCounter, 4155 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4155 SdHoareTripleChecker+Valid, 4173 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:05:38,880 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4155 Valid, 4173 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2021-11-19 14:05:38,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23335 states. [2021-11-19 14:05:40,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23335 to 23335. [2021-11-19 14:05:40,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23335 states, 14383 states have (on average 1.2307585343808662) internal successors, (17702), 15111 states have internal predecessors, (17702), 6960 states have call successors, (6960), 2009 states have call predecessors, (6960), 1991 states have return successors, (10431), 6672 states have call predecessors, (10431), 6897 states have call successors, (10431) [2021-11-19 14:05:40,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23335 states to 23335 states and 35093 transitions. [2021-11-19 14:05:40,804 INFO L78 Accepts]: Start accepts. Automaton has 23335 states and 35093 transitions. Word has length 20 [2021-11-19 14:05:40,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:05:40,805 INFO L470 AbstractCegarLoop]: Abstraction has 23335 states and 35093 transitions. [2021-11-19 14:05:40,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 14:05:40,806 INFO L276 IsEmpty]: Start isEmpty. Operand 23335 states and 35093 transitions. [2021-11-19 14:05:40,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-19 14:05:40,807 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:05:40,807 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:05:40,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-19 14:05:41,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:05:41,030 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:05:41,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:05:41,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1235719377, now seen corresponding path program 1 times [2021-11-19 14:05:41,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:05:41,038 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1967424428] [2021-11-19 14:05:41,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:05:41,038 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:05:41,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:05:41,039 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:05:41,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-19 14:05:48,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:05:48,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 6237 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:05:48,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:05:48,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:05:48,995 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:05:49,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:05:49,330 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:05:49,331 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1967424428] [2021-11-19 14:05:49,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1967424428] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:05:49,331 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:05:49,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:05:49,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041159346] [2021-11-19 14:05:49,331 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:05:49,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:05:49,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:05:49,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:05:49,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:05:49,333 INFO L87 Difference]: Start difference. First operand 23335 states and 35093 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 14:05:52,563 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:05:55,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:05:55,193 INFO L93 Difference]: Finished difference Result 68746 states and 115842 transitions. [2021-11-19 14:05:55,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:05:55,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2021-11-19 14:05:55,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:05:55,477 INFO L225 Difference]: With dead ends: 68746 [2021-11-19 14:05:55,477 INFO L226 Difference]: Without dead ends: 45417 [2021-11-19 14:05:55,731 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:05:55,732 INFO L933 BasicCegarLoop]: 5444 mSDtfsCounter, 4108 mSDsluCounter, 4088 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4108 SdHoareTripleChecker+Valid, 9532 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:05:55,733 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4108 Valid, 9532 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2021-11-19 14:05:55,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45417 states. [2021-11-19 14:05:59,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45417 to 45325. [2021-11-19 14:05:59,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45325 states, 28039 states have (on average 1.2321409465387496) internal successors, (34548), 29467 states have internal predecessors, (34548), 13359 states have call successors, (13359), 3957 states have call predecessors, (13359), 3926 states have return successors, (24217), 12778 states have call predecessors, (24217), 13259 states have call successors, (24217) [2021-11-19 14:05:59,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45325 states to 45325 states and 72124 transitions. [2021-11-19 14:05:59,669 INFO L78 Accepts]: Start accepts. Automaton has 45325 states and 72124 transitions. Word has length 21 [2021-11-19 14:05:59,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:05:59,669 INFO L470 AbstractCegarLoop]: Abstraction has 45325 states and 72124 transitions. [2021-11-19 14:05:59,669 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 14:05:59,669 INFO L276 IsEmpty]: Start isEmpty. Operand 45325 states and 72124 transitions. [2021-11-19 14:05:59,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-19 14:05:59,670 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:05:59,670 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:05:59,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (11)] Ended with exit code 0 [2021-11-19 14:05:59,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:05:59,879 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:05:59,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:05:59,880 INFO L85 PathProgramCache]: Analyzing trace with hash 345623101, now seen corresponding path program 1 times [2021-11-19 14:05:59,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:05:59,886 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1402477946] [2021-11-19 14:05:59,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:05:59,887 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:05:59,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:05:59,888 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:05:59,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-19 14:06:07,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:06:07,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 6238 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:06:07,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:06:08,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:06:08,020 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:06:08,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:06:08,448 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:06:08,448 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1402477946] [2021-11-19 14:06:08,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1402477946] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:06:08,448 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:06:08,449 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:06:08,449 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822612540] [2021-11-19 14:06:08,449 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:06:08,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:06:08,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:06:08,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:06:08,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:06:08,450 INFO L87 Difference]: Start difference. First operand 45325 states and 72124 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 14:06:11,692 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:06:14,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:06:14,070 INFO L93 Difference]: Finished difference Result 45327 states and 72125 transitions. [2021-11-19 14:06:14,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:06:14,071 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2021-11-19 14:06:14,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:06:14,286 INFO L225 Difference]: With dead ends: 45327 [2021-11-19 14:06:14,286 INFO L226 Difference]: Without dead ends: 45324 [2021-11-19 14:06:14,306 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:06:14,307 INFO L933 BasicCegarLoop]: 4167 mSDtfsCounter, 4149 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4149 SdHoareTripleChecker+Valid, 4169 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:06:14,307 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4149 Valid, 4169 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2021-11-19 14:06:14,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45324 states. [2021-11-19 14:06:17,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45324 to 45324. [2021-11-19 14:06:17,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45324 states, 28039 states have (on average 1.2321052819287421) internal successors, (34547), 29466 states have internal predecessors, (34547), 13358 states have call successors, (13358), 3957 states have call predecessors, (13358), 3926 states have return successors, (24217), 12778 states have call predecessors, (24217), 13259 states have call successors, (24217) [2021-11-19 14:06:18,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45324 states to 45324 states and 72122 transitions. [2021-11-19 14:06:18,527 INFO L78 Accepts]: Start accepts. Automaton has 45324 states and 72122 transitions. Word has length 22 [2021-11-19 14:06:18,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:06:18,528 INFO L470 AbstractCegarLoop]: Abstraction has 45324 states and 72122 transitions. [2021-11-19 14:06:18,528 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 14:06:18,528 INFO L276 IsEmpty]: Start isEmpty. Operand 45324 states and 72122 transitions. [2021-11-19 14:06:18,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-19 14:06:18,529 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:06:18,529 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:06:18,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-19 14:06:18,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:06:18,730 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:06:18,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:06:18,731 INFO L85 PathProgramCache]: Analyzing trace with hash 2122604530, now seen corresponding path program 1 times [2021-11-19 14:06:18,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:06:18,738 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1834106922] [2021-11-19 14:06:18,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:06:18,738 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:06:18,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:06:18,739 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:06:18,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-19 14:06:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:06:26,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 6239 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:06:26,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:06:26,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:06:26,478 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:06:26,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:06:26,856 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:06:26,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1834106922] [2021-11-19 14:06:26,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1834106922] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:06:26,857 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:06:26,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:06:26,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262521275] [2021-11-19 14:06:26,857 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:06:26,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:06:26,862 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:06:26,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:06:26,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:06:26,863 INFO L87 Difference]: Start difference. First operand 45324 states and 72122 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 14:06:30,258 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:06:32,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:06:32,419 INFO L93 Difference]: Finished difference Result 45326 states and 72123 transitions. [2021-11-19 14:06:32,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:06:32,496 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2021-11-19 14:06:32,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:06:32,705 INFO L225 Difference]: With dead ends: 45326 [2021-11-19 14:06:32,705 INFO L226 Difference]: Without dead ends: 45310 [2021-11-19 14:06:32,731 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:06:32,732 INFO L933 BasicCegarLoop]: 4166 mSDtfsCounter, 4146 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4146 SdHoareTripleChecker+Valid, 4168 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:06:32,732 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4146 Valid, 4168 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2021-11-19 14:06:32,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45310 states. [2021-11-19 14:06:36,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45310 to 45310. [2021-11-19 14:06:36,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45310 states, 28027 states have (on average 1.232133300032112) internal successors, (34533), 29453 states have internal predecessors, (34533), 13356 states have call successors, (13356), 3956 states have call predecessors, (13356), 3926 states have return successors, (24217), 12778 states have call predecessors, (24217), 13259 states have call successors, (24217) [2021-11-19 14:06:36,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45310 states to 45310 states and 72106 transitions. [2021-11-19 14:06:36,752 INFO L78 Accepts]: Start accepts. Automaton has 45310 states and 72106 transitions. Word has length 23 [2021-11-19 14:06:36,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:06:36,752 INFO L470 AbstractCegarLoop]: Abstraction has 45310 states and 72106 transitions. [2021-11-19 14:06:36,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 14:06:36,752 INFO L276 IsEmpty]: Start isEmpty. Operand 45310 states and 72106 transitions. [2021-11-19 14:06:36,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-19 14:06:36,758 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:06:36,759 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:06:36,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (13)] Ended with exit code 0 [2021-11-19 14:06:36,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:06:36,965 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:06:36,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:06:36,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1537570170, now seen corresponding path program 1 times [2021-11-19 14:06:36,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:06:36,972 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [66810846] [2021-11-19 14:06:36,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:06:36,973 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:06:36,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:06:36,974 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:06:36,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-19 14:06:44,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:06:44,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 6518 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 14:06:44,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:06:45,693 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-19 14:06:45,693 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:06:46,288 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-19 14:06:46,288 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:06:46,289 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [66810846] [2021-11-19 14:06:46,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [66810846] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:06:46,289 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:06:46,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-19 14:06:46,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85342494] [2021-11-19 14:06:46,289 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:06:46,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:06:46,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:06:46,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:06:46,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:06:46,291 INFO L87 Difference]: Start difference. First operand 45310 states and 72106 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-19 14:06:50,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:06:50,238 INFO L93 Difference]: Finished difference Result 90678 states and 156826 transitions. [2021-11-19 14:06:50,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 14:06:50,238 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 94 [2021-11-19 14:06:50,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:06:50,572 INFO L225 Difference]: With dead ends: 90678 [2021-11-19 14:06:50,572 INFO L226 Difference]: Without dead ends: 45374 [2021-11-19 14:06:51,157 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:06:51,158 INFO L933 BasicCegarLoop]: 4155 mSDtfsCounter, 3 mSDsluCounter, 8304 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 12459 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:06:51,158 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 12459 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 14:06:51,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45374 states. [2021-11-19 14:06:54,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45374 to 45358. [2021-11-19 14:06:54,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45358 states, 28075 states have (on average 1.2317364203027605) internal successors, (34581), 29501 states have internal predecessors, (34581), 13356 states have call successors, (13356), 3956 states have call predecessors, (13356), 3926 states have return successors, (24217), 12778 states have call predecessors, (24217), 13259 states have call successors, (24217) [2021-11-19 14:06:54,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45358 states to 45358 states and 72154 transitions. [2021-11-19 14:06:54,894 INFO L78 Accepts]: Start accepts. Automaton has 45358 states and 72154 transitions. Word has length 94 [2021-11-19 14:06:54,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:06:54,895 INFO L470 AbstractCegarLoop]: Abstraction has 45358 states and 72154 transitions. [2021-11-19 14:06:54,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-19 14:06:54,895 INFO L276 IsEmpty]: Start isEmpty. Operand 45358 states and 72154 transitions. [2021-11-19 14:06:54,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-19 14:06:54,900 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:06:54,901 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:06:54,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-19 14:06:55,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:06:55,107 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:06:55,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:06:55,107 INFO L85 PathProgramCache]: Analyzing trace with hash -858297916, now seen corresponding path program 1 times [2021-11-19 14:06:55,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:06:55,115 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1825536774] [2021-11-19 14:06:55,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:06:55,115 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:06:55,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:06:55,116 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:06:55,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_195a8337-6188-44cc-ab60-536681c6efb3/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-19 14:07:02,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:07:02,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 6513 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 14:07:02,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:07:04,391 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-19 14:07:04,392 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:07:05,583 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-19 14:07:05,583 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:07:05,583 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1825536774] [2021-11-19 14:07:05,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1825536774] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:07:05,583 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:07:05,583 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-19 14:07:05,583 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912618761] [2021-11-19 14:07:05,584 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:07:05,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 14:07:05,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:07:05,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 14:07:05,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:07:05,585 INFO L87 Difference]: Start difference. First operand 45358 states and 72154 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-19 14:07:08,794 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:07:10,812 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:07:13,025 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:07:21,120 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:07:23,134 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:07:25,155 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:07:27,978 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:07:29,995 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:07:32,017 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:07:35,979 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:07:37,994 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:07:40,009 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:07:42,049 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:07:44,074 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:07:46,101 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:07:49,734 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:07:51,765 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:07:53,793 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:07:57,823 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:07:59,842 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:08:03,459 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:08:05,486 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:08:07,504 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:08:09,566 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:08:11,591 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:08:13,611 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:08:16,200 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:08:18,227 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:08:20,247 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:08:22,472 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:08:24,488 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:08:26,505 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:08:28,591 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:08:30,608 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:08:32,630 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:08:38,367 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:08:40,132 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:08:42,159 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:08:44,493 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:08:46,500 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:08:48,510 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:08:51,042 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:08:53,079 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:08:55,093 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:08:59,098 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:09:01,148 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []