./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS --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 410663f06ff647e412b04b4e33dc5a0aa773139e9be33f59003b35b6e81927a8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 07:10:57,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:10:57,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:10:57,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:10:57,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:10:57,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:10:57,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:10:57,314 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:10:57,316 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:10:57,317 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:10:57,318 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:10:57,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:10:57,319 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:10:57,321 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:10:57,322 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:10:57,323 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:10:57,324 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:10:57,325 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:10:57,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:10:57,329 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:10:57,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:10:57,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:10:57,334 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:10:57,335 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:10:57,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:10:57,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:10:57,340 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:10:57,342 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:10:57,342 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:10:57,343 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:10:57,344 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:10:57,345 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:10:57,346 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:10:57,347 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:10:57,348 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:10:57,348 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:10:57,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:10:57,350 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:10:57,350 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:10:57,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:10:57,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:10:57,353 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:10:57,380 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:10:57,381 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:10:57,381 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:10:57,382 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:10:57,382 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:10:57,383 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:10:57,383 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:10:57,383 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:10:57,384 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:10:57,384 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:10:57,384 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:10:57,385 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:10:57,385 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:10:57,385 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:10:57,385 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:10:57,386 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:10:57,386 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:10:57,386 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:10:57,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:10:57,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:10:57,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:10:57,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:10:57,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:10:57,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:10:57,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:10:57,389 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:10:57,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:10:57,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:10:57,389 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:10:57,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:10:57,390 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:10:57,390 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:10:57,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:10:57,391 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:10:57,391 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:10:57,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:10:57,391 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:10:57,392 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:10:57,392 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 410663f06ff647e412b04b4e33dc5a0aa773139e9be33f59003b35b6e81927a8 [2022-11-19 07:10:57,657 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:10:57,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:10:57,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:10:57,688 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:10:57,691 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:10:57,693 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2022-11-19 07:10:57,784 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/data/957124afb/3c93d1508089477a9d8ff84f36fb00a1/FLAG4ff6e5866 [2022-11-19 07:10:58,724 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:10:58,726 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2022-11-19 07:10:58,771 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/data/957124afb/3c93d1508089477a9d8ff84f36fb00a1/FLAG4ff6e5866 [2022-11-19 07:10:59,207 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/data/957124afb/3c93d1508089477a9d8ff84f36fb00a1 [2022-11-19 07:10:59,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:10:59,211 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:10:59,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:10:59,216 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:10:59,220 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:10:59,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:10:59" (1/1) ... [2022-11-19 07:10:59,223 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f106cc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:10:59, skipping insertion in model container [2022-11-19 07:10:59,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:10:59" (1/1) ... [2022-11-19 07:10:59,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:10:59,340 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:11:00,474 WARN L234 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_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i[108133,108146] [2022-11-19 07:11:00,610 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:11:00,654 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:11:00,944 WARN L234 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_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i[108133,108146] [2022-11-19 07:11:00,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:11:01,038 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:11:01,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:11:01 WrapperNode [2022-11-19 07:11:01,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:11:01,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:11:01,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:11:01,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:11:01,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:11:01" (1/1) ... [2022-11-19 07:11:01,120 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:11:01" (1/1) ... [2022-11-19 07:11:01,178 INFO L138 Inliner]: procedures = 131, calls = 529, calls flagged for inlining = 47, calls inlined = 39, statements flattened = 1116 [2022-11-19 07:11:01,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:11:01,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:11:01,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:11:01,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:11:01,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:11:01" (1/1) ... [2022-11-19 07:11:01,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:11:01" (1/1) ... [2022-11-19 07:11:01,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:11:01" (1/1) ... [2022-11-19 07:11:01,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:11:01" (1/1) ... [2022-11-19 07:11:01,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:11:01" (1/1) ... [2022-11-19 07:11:01,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:11:01" (1/1) ... [2022-11-19 07:11:01,264 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:11:01" (1/1) ... [2022-11-19 07:11:01,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:11:01" (1/1) ... [2022-11-19 07:11:01,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:11:01,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:11:01,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:11:01,341 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:11:01,355 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:11:01" (1/1) ... [2022-11-19 07:11:01,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:11:01,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:11:01,414 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:11:01,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:11:01,466 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2022-11-19 07:11:01,466 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2022-11-19 07:11:01,466 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2022-11-19 07:11:01,467 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2022-11-19 07:11:01,468 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2022-11-19 07:11:01,468 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2022-11-19 07:11:01,468 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2022-11-19 07:11:01,468 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2022-11-19 07:11:01,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:11:01,469 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2022-11-19 07:11:01,469 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2022-11-19 07:11:01,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 07:11:01,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 07:11:01,470 INFO L130 BoogieDeclarations]: Found specification of procedure pg_sleep [2022-11-19 07:11:01,470 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_sleep [2022-11-19 07:11:01,470 INFO L130 BoogieDeclarations]: Found specification of procedure pg_completion [2022-11-19 07:11:01,470 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_completion [2022-11-19 07:11:01,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:11:01,471 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-19 07:11:01,471 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-19 07:11:01,471 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-19 07:11:01,471 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-19 07:11:01,471 INFO L130 BoogieDeclarations]: Found specification of procedure pg_wait [2022-11-19 07:11:01,472 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_wait [2022-11-19 07:11:01,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 07:11:01,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 07:11:01,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 07:11:01,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 07:11:01,473 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-19 07:11:01,473 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-19 07:11:01,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:11:01,473 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-19 07:11:01,474 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-19 07:11:01,474 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-19 07:11:01,474 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-19 07:11:01,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:11:01,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_11 [2022-11-19 07:11:01,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_11 [2022-11-19 07:11:01,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:11:01,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:11:01,475 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2022-11-19 07:11:01,475 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2022-11-19 07:11:01,476 INFO L130 BoogieDeclarations]: Found specification of procedure pg_write [2022-11-19 07:11:01,476 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_write [2022-11-19 07:11:01,476 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-19 07:11:01,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:11:01,477 INFO L130 BoogieDeclarations]: Found specification of procedure pg_reset [2022-11-19 07:11:01,477 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_reset [2022-11-19 07:11:01,478 INFO L130 BoogieDeclarations]: Found specification of procedure pg_identify [2022-11-19 07:11:01,479 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_identify [2022-11-19 07:11:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2022-11-19 07:11:01,480 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2022-11-19 07:11:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:11:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:11:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2022-11-19 07:11:01,481 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2022-11-19 07:11:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2022-11-19 07:11:01,482 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2022-11-19 07:11:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-19 07:11:01,483 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-19 07:11:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure pg_probe [2022-11-19 07:11:01,484 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_probe [2022-11-19 07:11:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2022-11-19 07:11:01,484 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2022-11-19 07:11:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure pg_command [2022-11-19 07:11:01,485 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_command [2022-11-19 07:11:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:11:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-19 07:11:01,485 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-19 07:11:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:11:01,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:11:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2022-11-19 07:11:01,486 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2022-11-19 07:11:01,919 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:11:01,922 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:11:04,176 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:11:04,622 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:11:04,623 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 07:11:04,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:11:04 BoogieIcfgContainer [2022-11-19 07:11:04,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:11:04,633 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:11:04,634 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:11:04,639 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:11:04,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:10:59" (1/3) ... [2022-11-19 07:11:04,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ef4f9b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:11:04, skipping insertion in model container [2022-11-19 07:11:04,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:11:01" (2/3) ... [2022-11-19 07:11:04,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ef4f9b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:11:04, skipping insertion in model container [2022-11-19 07:11:04,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:11:04" (3/3) ... [2022-11-19 07:11:04,644 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2022-11-19 07:11:04,671 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:11:04,672 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:11:04,788 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:11:04,796 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@df69400, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:11:04,796 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:11:04,802 INFO L276 IsEmpty]: Start isEmpty. Operand has 337 states, 219 states have (on average 1.4155251141552512) internal successors, (310), 229 states have internal predecessors, (310), 86 states have call successors, (86), 30 states have call predecessors, (86), 30 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2022-11-19 07:11:04,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-19 07:11:04,811 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:11:04,812 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:11:04,813 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:11:04,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:11:04,819 INFO L85 PathProgramCache]: Analyzing trace with hash 693487479, now seen corresponding path program 1 times [2022-11-19 07:11:04,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:11:04,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503367459] [2022-11-19 07:11:04,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:11:04,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:11:05,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:11:05,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:11:05,445 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:11:05,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503367459] [2022-11-19 07:11:05,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503367459] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:11:05,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:11:05,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:11:05,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290556334] [2022-11-19 07:11:05,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:11:05,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:11:05,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:11:05,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:11:05,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:11:05,519 INFO L87 Difference]: Start difference. First operand has 337 states, 219 states have (on average 1.4155251141552512) internal successors, (310), 229 states have internal predecessors, (310), 86 states have call successors, (86), 30 states have call predecessors, (86), 30 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:11:06,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:11:06,244 INFO L93 Difference]: Finished difference Result 876 states and 1249 transitions. [2022-11-19 07:11:06,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:11:06,248 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-19 07:11:06,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:11:06,281 INFO L225 Difference]: With dead ends: 876 [2022-11-19 07:11:06,281 INFO L226 Difference]: Without dead ends: 536 [2022-11-19 07:11:06,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:11:06,299 INFO L413 NwaCegarLoop]: 504 mSDtfsCounter, 287 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 883 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:11:06,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 883 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 07:11:06,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2022-11-19 07:11:06,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 522. [2022-11-19 07:11:06,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 337 states have (on average 1.3857566765578635) internal successors, (467), 347 states have internal predecessors, (467), 136 states have call successors, (136), 49 states have call predecessors, (136), 48 states have return successors, (130), 130 states have call predecessors, (130), 130 states have call successors, (130) [2022-11-19 07:11:06,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 733 transitions. [2022-11-19 07:11:06,502 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 733 transitions. Word has length 13 [2022-11-19 07:11:06,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:11:06,502 INFO L495 AbstractCegarLoop]: Abstraction has 522 states and 733 transitions. [2022-11-19 07:11:06,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:11:06,503 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 733 transitions. [2022-11-19 07:11:06,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-19 07:11:06,505 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:11:06,505 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:11:06,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:11:06,506 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:11:06,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:11:06,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1917054571, now seen corresponding path program 1 times [2022-11-19 07:11:06,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:11:06,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428773803] [2022-11-19 07:11:06,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:11:06,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:11:06,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:11:06,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:11:06,629 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:11:06,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428773803] [2022-11-19 07:11:06,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428773803] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:11:06,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:11:06,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:11:06,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816711607] [2022-11-19 07:11:06,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:11:06,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:11:06,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:11:06,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:11:06,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:11:06,636 INFO L87 Difference]: Start difference. First operand 522 states and 733 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:11:06,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:11:06,973 INFO L93 Difference]: Finished difference Result 1043 states and 1465 transitions. [2022-11-19 07:11:06,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:11:06,974 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-19 07:11:06,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:11:06,978 INFO L225 Difference]: With dead ends: 1043 [2022-11-19 07:11:06,978 INFO L226 Difference]: Without dead ends: 522 [2022-11-19 07:11:06,980 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:11:06,982 INFO L413 NwaCegarLoop]: 398 mSDtfsCounter, 464 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:11:06,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 398 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 07:11:06,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2022-11-19 07:11:07,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 522. [2022-11-19 07:11:07,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 337 states have (on average 1.3798219584569733) internal successors, (465), 347 states have internal predecessors, (465), 136 states have call successors, (136), 49 states have call predecessors, (136), 48 states have return successors, (130), 130 states have call predecessors, (130), 130 states have call successors, (130) [2022-11-19 07:11:07,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 731 transitions. [2022-11-19 07:11:07,033 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 731 transitions. Word has length 15 [2022-11-19 07:11:07,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:11:07,033 INFO L495 AbstractCegarLoop]: Abstraction has 522 states and 731 transitions. [2022-11-19 07:11:07,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:11:07,034 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 731 transitions. [2022-11-19 07:11:07,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-19 07:11:07,035 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:11:07,035 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:11:07,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:11:07,036 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:11:07,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:11:07,037 INFO L85 PathProgramCache]: Analyzing trace with hash -312726097, now seen corresponding path program 1 times [2022-11-19 07:11:07,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:11:07,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228614807] [2022-11-19 07:11:07,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:11:07,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:11:07,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:11:07,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:11:07,269 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:11:07,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228614807] [2022-11-19 07:11:07,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228614807] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:11:07,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:11:07,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:11:07,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479004967] [2022-11-19 07:11:07,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:11:07,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:11:07,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:11:07,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:11:07,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:11:07,273 INFO L87 Difference]: Start difference. First operand 522 states and 731 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:11:07,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:11:07,836 INFO L93 Difference]: Finished difference Result 1190 states and 1653 transitions. [2022-11-19 07:11:07,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:11:07,837 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), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-11-19 07:11:07,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:11:07,843 INFO L225 Difference]: With dead ends: 1190 [2022-11-19 07:11:07,843 INFO L226 Difference]: Without dead ends: 669 [2022-11-19 07:11:07,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:11:07,850 INFO L413 NwaCegarLoop]: 488 mSDtfsCounter, 273 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 804 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:11:07,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 804 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 07:11:07,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2022-11-19 07:11:07,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 669. [2022-11-19 07:11:07,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 669 states, 425 states have (on average 1.3552941176470588) internal successors, (576), 437 states have internal predecessors, (576), 175 states have call successors, (175), 69 states have call predecessors, (175), 68 states have return successors, (169), 169 states have call predecessors, (169), 169 states have call successors, (169) [2022-11-19 07:11:07,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 920 transitions. [2022-11-19 07:11:07,949 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 920 transitions. Word has length 17 [2022-11-19 07:11:07,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:11:07,950 INFO L495 AbstractCegarLoop]: Abstraction has 669 states and 920 transitions. [2022-11-19 07:11:07,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:11:07,950 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 920 transitions. [2022-11-19 07:11:07,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-19 07:11:07,955 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:11:07,955 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:11:07,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:11:07,956 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:11:07,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:11:07,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1591863291, now seen corresponding path program 1 times [2022-11-19 07:11:07,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:11:07,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581788134] [2022-11-19 07:11:07,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:11:07,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:11:08,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:11:08,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:11:08,129 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:11:08,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581788134] [2022-11-19 07:11:08,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581788134] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:11:08,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:11:08,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:11:08,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986616263] [2022-11-19 07:11:08,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:11:08,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:11:08,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:11:08,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:11:08,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:11:08,140 INFO L87 Difference]: Start difference. First operand 669 states and 920 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:11:08,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:11:08,555 INFO L93 Difference]: Finished difference Result 1334 states and 1836 transitions. [2022-11-19 07:11:08,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:11:08,556 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-19 07:11:08,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:11:08,563 INFO L225 Difference]: With dead ends: 1334 [2022-11-19 07:11:08,563 INFO L226 Difference]: Without dead ends: 675 [2022-11-19 07:11:08,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:11:08,571 INFO L413 NwaCegarLoop]: 400 mSDtfsCounter, 1 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 798 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:11:08,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 798 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 07:11:08,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2022-11-19 07:11:08,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 671. [2022-11-19 07:11:08,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 427 states have (on average 1.3536299765807962) internal successors, (578), 439 states have internal predecessors, (578), 175 states have call successors, (175), 69 states have call predecessors, (175), 68 states have return successors, (169), 169 states have call predecessors, (169), 169 states have call successors, (169) [2022-11-19 07:11:08,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 922 transitions. [2022-11-19 07:11:08,632 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 922 transitions. Word has length 19 [2022-11-19 07:11:08,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:11:08,632 INFO L495 AbstractCegarLoop]: Abstraction has 671 states and 922 transitions. [2022-11-19 07:11:08,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:11:08,633 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 922 transitions. [2022-11-19 07:11:08,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-19 07:11:08,638 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:11:08,638 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:11:08,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:11:08,639 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:11:08,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:11:08,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1726464727, now seen corresponding path program 1 times [2022-11-19 07:11:08,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:11:08,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169483339] [2022-11-19 07:11:08,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:11:08,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:11:08,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:11:08,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:11:08,813 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:11:08,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169483339] [2022-11-19 07:11:08,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169483339] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:11:08,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1160068615] [2022-11-19 07:11:08,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:11:08,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:11:08,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:11:08,827 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:11:08,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:11:09,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:11:09,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 832 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:11:09,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:11:09,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 07:11:09,310 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:11:09,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1160068615] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:11:09,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:11:09,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-19 07:11:09,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569865891] [2022-11-19 07:11:09,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:11:09,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:11:09,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:11:09,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:11:09,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:11:09,314 INFO L87 Difference]: Start difference. First operand 671 states and 922 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:11:09,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:11:09,633 INFO L93 Difference]: Finished difference Result 673 states and 923 transitions. [2022-11-19 07:11:09,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:11:09,634 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-11-19 07:11:09,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:11:09,640 INFO L225 Difference]: With dead ends: 673 [2022-11-19 07:11:09,640 INFO L226 Difference]: Without dead ends: 670 [2022-11-19 07:11:09,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:11:09,641 INFO L413 NwaCegarLoop]: 396 mSDtfsCounter, 449 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:11:09,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [449 Valid, 396 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 07:11:09,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2022-11-19 07:11:09,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 670. [2022-11-19 07:11:09,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 427 states have (on average 1.351288056206089) internal successors, (577), 438 states have internal predecessors, (577), 174 states have call successors, (174), 69 states have call predecessors, (174), 68 states have return successors, (169), 169 states have call predecessors, (169), 169 states have call successors, (169) [2022-11-19 07:11:09,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 920 transitions. [2022-11-19 07:11:09,701 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 920 transitions. Word has length 24 [2022-11-19 07:11:09,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:11:09,702 INFO L495 AbstractCegarLoop]: Abstraction has 670 states and 920 transitions. [2022-11-19 07:11:09,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:11:09,703 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 920 transitions. [2022-11-19 07:11:09,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-19 07:11:09,704 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:11:09,705 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:11:09,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-19 07:11:09,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:11:09,912 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:11:09,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:11:09,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1980549989, now seen corresponding path program 1 times [2022-11-19 07:11:09,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:11:09,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635641630] [2022-11-19 07:11:09,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:11:09,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:11:09,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:11:10,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:11:10,124 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:11:10,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635641630] [2022-11-19 07:11:10,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635641630] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:11:10,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864960189] [2022-11-19 07:11:10,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:11:10,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:11:10,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:11:10,127 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:11:10,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:11:10,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:11:10,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 834 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:11:10,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:11:10,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 07:11:10,589 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:11:10,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1864960189] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:11:10,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:11:10,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-19 07:11:10,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681840843] [2022-11-19 07:11:10,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:11:10,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:11:10,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:11:10,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:11:10,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:11:10,592 INFO L87 Difference]: Start difference. First operand 670 states and 920 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:11:10,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:11:10,908 INFO L93 Difference]: Finished difference Result 672 states and 921 transitions. [2022-11-19 07:11:10,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:11:10,909 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-11-19 07:11:10,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:11:10,913 INFO L225 Difference]: With dead ends: 672 [2022-11-19 07:11:10,913 INFO L226 Difference]: Without dead ends: 669 [2022-11-19 07:11:10,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:11:10,915 INFO L413 NwaCegarLoop]: 394 mSDtfsCounter, 446 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:11:10,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [446 Valid, 394 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 07:11:10,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2022-11-19 07:11:10,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 669. [2022-11-19 07:11:10,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 669 states, 427 states have (on average 1.3489461358313817) internal successors, (576), 437 states have internal predecessors, (576), 173 states have call successors, (173), 69 states have call predecessors, (173), 68 states have return successors, (169), 169 states have call predecessors, (169), 169 states have call successors, (169) [2022-11-19 07:11:10,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 918 transitions. [2022-11-19 07:11:10,978 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 918 transitions. Word has length 25 [2022-11-19 07:11:10,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:11:10,979 INFO L495 AbstractCegarLoop]: Abstraction has 669 states and 918 transitions. [2022-11-19 07:11:10,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:11:10,979 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 918 transitions. [2022-11-19 07:11:10,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-19 07:11:10,981 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:11:10,981 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:11:10,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 07:11:11,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:11:11,195 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:11:11,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:11:11,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1267263386, now seen corresponding path program 1 times [2022-11-19 07:11:11,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:11:11,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82642703] [2022-11-19 07:11:11,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:11:11,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:11:11,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:11:11,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:11:11,407 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:11:11,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82642703] [2022-11-19 07:11:11,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82642703] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:11:11,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [700498969] [2022-11-19 07:11:11,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:11:11,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:11:11,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:11:11,409 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:11:11,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 07:11:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:11:11,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:11:11,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:11:11,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 07:11:11,898 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:11:11,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [700498969] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:11:11,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:11:11,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-19 07:11:11,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597558849] [2022-11-19 07:11:11,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:11:11,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:11:11,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:11:11,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:11:11,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:11:11,901 INFO L87 Difference]: Start difference. First operand 669 states and 918 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:11:12,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:11:12,244 INFO L93 Difference]: Finished difference Result 671 states and 919 transitions. [2022-11-19 07:11:12,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:11:12,245 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-11-19 07:11:12,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:11:12,250 INFO L225 Difference]: With dead ends: 671 [2022-11-19 07:11:12,250 INFO L226 Difference]: Without dead ends: 668 [2022-11-19 07:11:12,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:11:12,255 INFO L413 NwaCegarLoop]: 392 mSDtfsCounter, 443 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:11:12,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [443 Valid, 392 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 07:11:12,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2022-11-19 07:11:12,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 668. [2022-11-19 07:11:12,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 668 states, 427 states have (on average 1.3466042154566744) internal successors, (575), 436 states have internal predecessors, (575), 172 states have call successors, (172), 69 states have call predecessors, (172), 68 states have return successors, (169), 169 states have call predecessors, (169), 169 states have call successors, (169) [2022-11-19 07:11:12,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 916 transitions. [2022-11-19 07:11:12,354 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 916 transitions. Word has length 26 [2022-11-19 07:11:12,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:11:12,355 INFO L495 AbstractCegarLoop]: Abstraction has 668 states and 916 transitions. [2022-11-19 07:11:12,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:11:12,355 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 916 transitions. [2022-11-19 07:11:12,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-19 07:11:12,356 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:11:12,356 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:11:12,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 07:11:12,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:11:12,565 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:11:12,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:11:12,572 INFO L85 PathProgramCache]: Analyzing trace with hash 630220040, now seen corresponding path program 1 times [2022-11-19 07:11:12,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:11:12,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015151143] [2022-11-19 07:11:12,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:11:12,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:11:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:11:12,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:11:12,791 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:11:12,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015151143] [2022-11-19 07:11:12,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015151143] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:11:12,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [426923720] [2022-11-19 07:11:12,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:11:12,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:11:12,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:11:12,793 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:11:12,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 07:11:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:11:13,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:11:13,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:11:13,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 07:11:13,267 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:11:13,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [426923720] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:11:13,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:11:13,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-19 07:11:13,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282095206] [2022-11-19 07:11:13,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:11:13,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:11:13,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:11:13,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:11:13,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:11:13,270 INFO L87 Difference]: Start difference. First operand 668 states and 916 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:11:13,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:11:13,653 INFO L93 Difference]: Finished difference Result 783 states and 1066 transitions. [2022-11-19 07:11:13,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:11:13,654 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2022-11-19 07:11:13,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:11:13,661 INFO L225 Difference]: With dead ends: 783 [2022-11-19 07:11:13,661 INFO L226 Difference]: Without dead ends: 762 [2022-11-19 07:11:13,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:11:13,663 INFO L413 NwaCegarLoop]: 446 mSDtfsCounter, 407 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:11:13,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 614 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 07:11:13,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2022-11-19 07:11:13,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 762. [2022-11-19 07:11:13,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 762 states, 478 states have (on average 1.3242677824267783) internal successors, (633), 487 states have internal predecessors, (633), 203 states have call successors, (203), 81 states have call predecessors, (203), 80 states have return successors, (202), 202 states have call predecessors, (202), 202 states have call successors, (202) [2022-11-19 07:11:13,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 1038 transitions. [2022-11-19 07:11:13,763 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 1038 transitions. Word has length 27 [2022-11-19 07:11:13,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:11:13,764 INFO L495 AbstractCegarLoop]: Abstraction has 762 states and 1038 transitions. [2022-11-19 07:11:13,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:11:13,764 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1038 transitions. [2022-11-19 07:11:13,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-19 07:11:13,766 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:11:13,766 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 07:11:13,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-19 07:11:13,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:11:13,974 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:11:13,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:11:13,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1570437032, now seen corresponding path program 1 times [2022-11-19 07:11:13,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:11:13,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811948050] [2022-11-19 07:11:13,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:11:13,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:11:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:11:14,148 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:11:14,148 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:11:14,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811948050] [2022-11-19 07:11:14,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811948050] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:11:14,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [338031410] [2022-11-19 07:11:14,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:11:14,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:11:14,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:11:14,151 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:11:14,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-19 07:11:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:11:14,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 1033 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 07:11:14,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:11:14,598 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 07:11:14,598 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:11:14,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [338031410] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:11:14,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:11:14,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-19 07:11:14,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714258398] [2022-11-19 07:11:14,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:11:14,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:11:14,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:11:14,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:11:14,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:11:14,601 INFO L87 Difference]: Start difference. First operand 762 states and 1038 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 07:11:14,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:11:14,984 INFO L93 Difference]: Finished difference Result 1520 states and 2072 transitions. [2022-11-19 07:11:14,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:11:14,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 42 [2022-11-19 07:11:14,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:11:14,989 INFO L225 Difference]: With dead ends: 1520 [2022-11-19 07:11:14,989 INFO L226 Difference]: Without dead ends: 768 [2022-11-19 07:11:14,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:11:14,993 INFO L413 NwaCegarLoop]: 374 mSDtfsCounter, 4 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:11:14,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 743 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 07:11:14,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2022-11-19 07:11:15,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 764. [2022-11-19 07:11:15,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 764 states, 480 states have (on average 1.3229166666666667) internal successors, (635), 489 states have internal predecessors, (635), 203 states have call successors, (203), 81 states have call predecessors, (203), 80 states have return successors, (202), 202 states have call predecessors, (202), 202 states have call successors, (202) [2022-11-19 07:11:15,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 1040 transitions. [2022-11-19 07:11:15,082 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 1040 transitions. Word has length 42 [2022-11-19 07:11:15,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:11:15,084 INFO L495 AbstractCegarLoop]: Abstraction has 764 states and 1040 transitions. [2022-11-19 07:11:15,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 07:11:15,085 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1040 transitions. [2022-11-19 07:11:15,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-19 07:11:15,088 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:11:15,089 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 07:11:15,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-19 07:11:15,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-19 07:11:15,297 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:11:15,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:11:15,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1145432685, now seen corresponding path program 1 times [2022-11-19 07:11:15,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:11:15,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72107455] [2022-11-19 07:11:15,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:11:15,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:11:15,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:11:15,489 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 07:11:15,489 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:11:15,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72107455] [2022-11-19 07:11:15,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72107455] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:11:15,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216579019] [2022-11-19 07:11:15,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:11:15,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:11:15,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:11:15,492 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:11:15,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-19 07:11:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:11:15,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:11:15,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:11:15,966 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-19 07:11:15,966 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:11:15,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [216579019] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:11:15,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:11:15,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-19 07:11:15,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238274442] [2022-11-19 07:11:15,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:11:15,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:11:15,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:11:15,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:11:15,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:11:15,969 INFO L87 Difference]: Start difference. First operand 764 states and 1040 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 07:11:16,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:11:16,471 INFO L93 Difference]: Finished difference Result 764 states and 1040 transitions. [2022-11-19 07:11:16,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:11:16,472 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2022-11-19 07:11:16,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:11:16,473 INFO L225 Difference]: With dead ends: 764 [2022-11-19 07:11:16,473 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 07:11:16,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:11:16,476 INFO L413 NwaCegarLoop]: 496 mSDtfsCounter, 193 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:11:16,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 844 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 07:11:16,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 07:11:16,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 07:11:16,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:11:16,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 07:11:16,478 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2022-11-19 07:11:16,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:11:16,478 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 07:11:16,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 07:11:16,479 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 07:11:16,479 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 07:11:16,497 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 07:11:16,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-19 07:11:16,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:11:16,709 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-19 07:11:19,811 INFO L899 garLoopResultBuilder]: For program point L2977(line 2977) no Hoare annotation was computed. [2022-11-19 07:11:19,811 INFO L899 garLoopResultBuilder]: For program point L2971-1(line 2971) no Hoare annotation was computed. [2022-11-19 07:11:19,811 INFO L902 garLoopResultBuilder]: At program point L2971(line 2971) the Hoare annotation is: true [2022-11-19 07:11:19,811 INFO L899 garLoopResultBuilder]: For program point L2967(lines 2967 2978) no Hoare annotation was computed. [2022-11-19 07:11:19,811 INFO L899 garLoopResultBuilder]: For program point L2967-2(lines 2963 2979) no Hoare annotation was computed. [2022-11-19 07:11:19,812 INFO L899 garLoopResultBuilder]: For program point L2963(lines 2963 2979) no Hoare annotation was computed. [2022-11-19 07:11:19,812 INFO L902 garLoopResultBuilder]: At program point L2961-1(line 2961) the Hoare annotation is: true [2022-11-19 07:11:19,812 INFO L902 garLoopResultBuilder]: At program point L2961(line 2961) the Hoare annotation is: true [2022-11-19 07:11:19,812 INFO L902 garLoopResultBuilder]: At program point copy_from_userENTRY(lines 2951 2982) the Hoare annotation is: true [2022-11-19 07:11:19,812 INFO L899 garLoopResultBuilder]: For program point copy_from_userEXIT(lines 2951 2982) no Hoare annotation was computed. [2022-11-19 07:11:19,812 INFO L902 garLoopResultBuilder]: At program point L2972-2(lines 2972 2976) the Hoare annotation is: true [2022-11-19 07:11:19,812 INFO L902 garLoopResultBuilder]: At program point L2968(line 2968) the Hoare annotation is: true [2022-11-19 07:11:19,812 INFO L902 garLoopResultBuilder]: At program point L2966(line 2966) the Hoare annotation is: true [2022-11-19 07:11:19,812 INFO L899 garLoopResultBuilder]: For program point L2968-1(line 2968) no Hoare annotation was computed. [2022-11-19 07:11:19,812 INFO L902 garLoopResultBuilder]: At program point L2964(line 2964) the Hoare annotation is: true [2022-11-19 07:11:19,812 INFO L899 garLoopResultBuilder]: For program point L2966-1(line 2966) no Hoare annotation was computed. [2022-11-19 07:11:19,813 INFO L899 garLoopResultBuilder]: For program point L2962(line 2962) no Hoare annotation was computed. [2022-11-19 07:11:19,813 INFO L899 garLoopResultBuilder]: For program point L2964-1(line 2964) no Hoare annotation was computed. [2022-11-19 07:11:19,813 INFO L902 garLoopResultBuilder]: At program point pi_releaseENTRY(lines 4566 4568) the Hoare annotation is: true [2022-11-19 07:11:19,813 INFO L899 garLoopResultBuilder]: For program point pi_releaseEXIT(lines 4566 4568) no Hoare annotation was computed. [2022-11-19 07:11:19,813 INFO L899 garLoopResultBuilder]: For program point pi_initEXIT(lines 4556 4558) no Hoare annotation was computed. [2022-11-19 07:11:19,813 INFO L902 garLoopResultBuilder]: At program point pi_initENTRY(lines 4556 4558) the Hoare annotation is: true [2022-11-19 07:11:19,813 INFO L902 garLoopResultBuilder]: At program point write_regENTRY(lines 3063 3069) the Hoare annotation is: true [2022-11-19 07:11:19,813 INFO L899 garLoopResultBuilder]: For program point write_regEXIT(lines 3063 3069) no Hoare annotation was computed. [2022-11-19 07:11:19,813 INFO L899 garLoopResultBuilder]: For program point pg_sleepEXIT(lines 3076 3082) no Hoare annotation was computed. [2022-11-19 07:11:19,813 INFO L902 garLoopResultBuilder]: At program point pg_sleepENTRY(lines 3076 3082) the Hoare annotation is: true [2022-11-19 07:11:19,813 INFO L902 garLoopResultBuilder]: At program point pi_read_regrENTRY(lines 4563 4565) the Hoare annotation is: true [2022-11-19 07:11:19,814 INFO L899 garLoopResultBuilder]: For program point pi_read_regrEXIT(lines 4563 4565) no Hoare annotation was computed. [2022-11-19 07:11:19,814 INFO L902 garLoopResultBuilder]: At program point might_faultFINAL(lines 4532 4534) the Hoare annotation is: true [2022-11-19 07:11:19,814 INFO L899 garLoopResultBuilder]: For program point might_faultEXIT(lines 4532 4534) no Hoare annotation was computed. [2022-11-19 07:11:19,814 INFO L902 garLoopResultBuilder]: At program point pi_disconnectENTRY(lines 4552 4554) the Hoare annotation is: true [2022-11-19 07:11:19,814 INFO L899 garLoopResultBuilder]: For program point pi_disconnectEXIT(lines 4552 4554) no Hoare annotation was computed. [2022-11-19 07:11:19,814 INFO L899 garLoopResultBuilder]: For program point L3425(lines 3425 3429) no Hoare annotation was computed. [2022-11-19 07:11:19,814 INFO L899 garLoopResultBuilder]: For program point pg_probeEXIT(lines 3407 3441) no Hoare annotation was computed. [2022-11-19 07:11:19,814 INFO L899 garLoopResultBuilder]: For program point L3419-1(line 3419) no Hoare annotation was computed. [2022-11-19 07:11:19,814 INFO L902 garLoopResultBuilder]: At program point L3419(line 3419) the Hoare annotation is: true [2022-11-19 07:11:19,814 INFO L899 garLoopResultBuilder]: For program point L3417(line 3417) no Hoare annotation was computed. [2022-11-19 07:11:19,814 INFO L902 garLoopResultBuilder]: At program point L3413-1(lines 3413 3438) the Hoare annotation is: true [2022-11-19 07:11:19,815 INFO L899 garLoopResultBuilder]: For program point L3413(lines 3413 3438) no Hoare annotation was computed. [2022-11-19 07:11:19,816 INFO L902 garLoopResultBuilder]: At program point L3434(line 3434) the Hoare annotation is: true [2022-11-19 07:11:19,816 INFO L902 garLoopResultBuilder]: At program point L3432(line 3432) the Hoare annotation is: true [2022-11-19 07:11:19,817 INFO L899 garLoopResultBuilder]: For program point L3434-1(line 3434) no Hoare annotation was computed. [2022-11-19 07:11:19,817 INFO L899 garLoopResultBuilder]: For program point L3432-1(line 3432) no Hoare annotation was computed. [2022-11-19 07:11:19,817 INFO L902 garLoopResultBuilder]: At program point L3426(lines 3413 3431) the Hoare annotation is: true [2022-11-19 07:11:19,817 INFO L902 garLoopResultBuilder]: At program point L3424(lines 3413 3431) the Hoare annotation is: true [2022-11-19 07:11:19,817 INFO L899 garLoopResultBuilder]: For program point pg_probeFINAL(lines 3407 3441) no Hoare annotation was computed. [2022-11-19 07:11:19,817 INFO L899 garLoopResultBuilder]: For program point L3418(lines 3418 3422) no Hoare annotation was computed. [2022-11-19 07:11:19,818 INFO L902 garLoopResultBuilder]: At program point pg_probeENTRY(lines 3407 3441) the Hoare annotation is: true [2022-11-19 07:11:19,818 INFO L899 garLoopResultBuilder]: For program point L3433(lines 3433 3437) no Hoare annotation was computed. [2022-11-19 07:11:19,818 INFO L902 garLoopResultBuilder]: At program point L3052(line 3052) the Hoare annotation is: true [2022-11-19 07:11:19,818 INFO L899 garLoopResultBuilder]: For program point L3052-1(line 3052) no Hoare annotation was computed. [2022-11-19 07:11:19,818 INFO L899 garLoopResultBuilder]: For program point status_regEXIT(lines 3049 3055) no Hoare annotation was computed. [2022-11-19 07:11:19,818 INFO L902 garLoopResultBuilder]: At program point status_regENTRY(lines 3049 3055) the Hoare annotation is: true [2022-11-19 07:11:19,819 INFO L899 garLoopResultBuilder]: For program point L3202-1(line 3202) no Hoare annotation was computed. [2022-11-19 07:11:19,819 INFO L899 garLoopResultBuilder]: For program point L3231-1(line 3231) no Hoare annotation was computed. [2022-11-19 07:11:19,819 INFO L902 garLoopResultBuilder]: At program point L3231(line 3231) the Hoare annotation is: true [2022-11-19 07:11:19,819 INFO L902 garLoopResultBuilder]: At program point L3240(line 3240) the Hoare annotation is: true [2022-11-19 07:11:19,819 INFO L899 garLoopResultBuilder]: For program point L3207-1(line 3207) no Hoare annotation was computed. [2022-11-19 07:11:19,819 INFO L902 garLoopResultBuilder]: At program point L3207(line 3207) the Hoare annotation is: true [2022-11-19 07:11:19,820 INFO L899 garLoopResultBuilder]: For program point L3211-4(lines 3201 3242) no Hoare annotation was computed. [2022-11-19 07:11:19,820 INFO L899 garLoopResultBuilder]: For program point L3240-1(line 3240) no Hoare annotation was computed. [2022-11-19 07:11:19,820 INFO L902 garLoopResultBuilder]: At program point L3232(lines 3201 3242) the Hoare annotation is: true [2022-11-19 07:11:19,820 INFO L902 garLoopResultBuilder]: At program point L3212-1(lines 3201 3242) the Hoare annotation is: true [2022-11-19 07:11:19,820 INFO L899 garLoopResultBuilder]: For program point L3233(line 3233) no Hoare annotation was computed. [2022-11-19 07:11:19,820 INFO L899 garLoopResultBuilder]: For program point L3213-1(line 3213) no Hoare annotation was computed. [2022-11-19 07:11:19,821 INFO L902 garLoopResultBuilder]: At program point L3213(line 3213) the Hoare annotation is: true [2022-11-19 07:11:19,821 INFO L902 garLoopResultBuilder]: At program point L3209-4(line 3209) the Hoare annotation is: true [2022-11-19 07:11:19,821 INFO L902 garLoopResultBuilder]: At program point L3234(lines 3234 3238) the Hoare annotation is: true [2022-11-19 07:11:19,821 INFO L899 garLoopResultBuilder]: For program point pg_completionEXIT(lines 3191 3243) no Hoare annotation was computed. [2022-11-19 07:11:19,821 INFO L902 garLoopResultBuilder]: At program point pg_completionENTRY(lines 3191 3243) the Hoare annotation is: true [2022-11-19 07:11:19,821 INFO L899 garLoopResultBuilder]: For program point L3210(line 3210) no Hoare annotation was computed. [2022-11-19 07:11:19,822 INFO L899 garLoopResultBuilder]: For program point L3206(line 3206) no Hoare annotation was computed. [2022-11-19 07:11:19,822 INFO L902 garLoopResultBuilder]: At program point L3202(line 3202) the Hoare annotation is: true [2022-11-19 07:11:19,822 INFO L902 garLoopResultBuilder]: At program point L3235(lines 3201 3242) the Hoare annotation is: true [2022-11-19 07:11:19,822 INFO L902 garLoopResultBuilder]: At program point ldv_unregister_chrdev_11ENTRY(lines 4032 4039) the Hoare annotation is: true [2022-11-19 07:11:19,822 INFO L899 garLoopResultBuilder]: For program point ldv_unregister_chrdev_11EXIT(lines 4032 4039) no Hoare annotation was computed. [2022-11-19 07:11:19,822 INFO L899 garLoopResultBuilder]: For program point DRIVEEXIT(lines 3070 3075) no Hoare annotation was computed. [2022-11-19 07:11:19,823 INFO L902 garLoopResultBuilder]: At program point DRIVEENTRY(lines 3070 3075) the Hoare annotation is: true [2022-11-19 07:11:19,823 INFO L902 garLoopResultBuilder]: At program point mutex_unlockENTRY(lines 4542 4544) the Hoare annotation is: true [2022-11-19 07:11:19,823 INFO L899 garLoopResultBuilder]: For program point mutex_unlockEXIT(lines 4542 4544) no Hoare annotation was computed. [2022-11-19 07:11:19,823 INFO L899 garLoopResultBuilder]: For program point copy_to_userEXIT(lines 2983 2990) no Hoare annotation was computed. [2022-11-19 07:11:19,823 INFO L902 garLoopResultBuilder]: At program point copy_to_userENTRY(lines 2983 2990) the Hoare annotation is: true [2022-11-19 07:11:19,823 INFO L902 garLoopResultBuilder]: At program point L2986(line 2986) the Hoare annotation is: true [2022-11-19 07:11:19,824 INFO L902 garLoopResultBuilder]: At program point L2986-1(line 2986) the Hoare annotation is: true [2022-11-19 07:11:19,824 INFO L899 garLoopResultBuilder]: For program point pg_waitFINAL(lines 3083 3137) no Hoare annotation was computed. [2022-11-19 07:11:19,824 INFO L902 garLoopResultBuilder]: At program point L3099(lines 3099 3103) the Hoare annotation is: true [2022-11-19 07:11:19,824 INFO L902 garLoopResultBuilder]: At program point L3116(line 3116) the Hoare annotation is: true [2022-11-19 07:11:19,824 INFO L899 garLoopResultBuilder]: For program point L3116-1(line 3116) no Hoare annotation was computed. [2022-11-19 07:11:19,824 INFO L902 garLoopResultBuilder]: At program point pg_waitENTRY(lines 3083 3137) the Hoare annotation is: true [2022-11-19 07:11:19,825 INFO L899 garLoopResultBuilder]: For program point L3113(lines 3113 3134) no Hoare annotation was computed. [2022-11-19 07:11:19,825 INFO L899 garLoopResultBuilder]: For program point L3105(line 3105) no Hoare annotation was computed. [2022-11-19 07:11:19,825 INFO L902 garLoopResultBuilder]: At program point L3114(line 3114) the Hoare annotation is: true [2022-11-19 07:11:19,825 INFO L899 garLoopResultBuilder]: For program point L3114-1(line 3114) no Hoare annotation was computed. [2022-11-19 07:11:19,826 INFO L902 garLoopResultBuilder]: At program point L3106(lines 3106 3110) the Hoare annotation is: true [2022-11-19 07:11:19,826 INFO L899 garLoopResultBuilder]: For program point pg_waitEXIT(lines 3083 3137) no Hoare annotation was computed. [2022-11-19 07:11:19,826 INFO L902 garLoopResultBuilder]: At program point L3102(line 3102) the Hoare annotation is: true [2022-11-19 07:11:19,826 INFO L902 garLoopResultBuilder]: At program point L3102-1(lines 3092 3136) the Hoare annotation is: true [2022-11-19 07:11:19,826 INFO L899 garLoopResultBuilder]: For program point L3115-1(line 3115) no Hoare annotation was computed. [2022-11-19 07:11:19,826 INFO L902 garLoopResultBuilder]: At program point L3115(line 3115) the Hoare annotation is: true [2022-11-19 07:11:19,827 INFO L902 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 4041 4046) the Hoare annotation is: true [2022-11-19 07:11:19,827 INFO L899 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4044) no Hoare annotation was computed. [2022-11-19 07:11:19,827 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 4041 4046) no Hoare annotation was computed. [2022-11-19 07:11:19,827 INFO L902 garLoopResultBuilder]: At program point L3582(line 3582) the Hoare annotation is: true [2022-11-19 07:11:19,827 INFO L899 garLoopResultBuilder]: For program point L3582-1(line 3582) no Hoare annotation was computed. [2022-11-19 07:11:19,828 INFO L899 garLoopResultBuilder]: For program point L3578(lines 3578 3581) no Hoare annotation was computed. [2022-11-19 07:11:19,828 INFO L899 garLoopResultBuilder]: For program point L3574(lines 3574 3577) no Hoare annotation was computed. [2022-11-19 07:11:19,828 INFO L899 garLoopResultBuilder]: For program point pg_writeEXIT(lines 3563 3636) no Hoare annotation was computed. [2022-11-19 07:11:19,828 INFO L899 garLoopResultBuilder]: For program point L3599(lines 3599 3611) no Hoare annotation was computed. [2022-11-19 07:11:19,828 INFO L902 garLoopResultBuilder]: At program point L3628(lines 3628 3629) the Hoare annotation is: true [2022-11-19 07:11:19,828 INFO L899 garLoopResultBuilder]: For program point L3595(lines 3595 3598) no Hoare annotation was computed. [2022-11-19 07:11:19,828 INFO L899 garLoopResultBuilder]: For program point L3628-1(lines 3628 3629) no Hoare annotation was computed. [2022-11-19 07:11:19,829 INFO L899 garLoopResultBuilder]: For program point L3591(lines 3591 3594) no Hoare annotation was computed. [2022-11-19 07:11:19,829 INFO L899 garLoopResultBuilder]: For program point L3587(lines 3587 3590) no Hoare annotation was computed. [2022-11-19 07:11:19,829 INFO L899 garLoopResultBuilder]: For program point pg_writeFINAL(lines 3563 3636) no Hoare annotation was computed. [2022-11-19 07:11:19,829 INFO L899 garLoopResultBuilder]: For program point L3583(lines 3583 3586) no Hoare annotation was computed. [2022-11-19 07:11:19,829 INFO L899 garLoopResultBuilder]: For program point L3612(lines 3612 3615) no Hoare annotation was computed. [2022-11-19 07:11:19,829 INFO L902 garLoopResultBuilder]: At program point L3604(line 3604) the Hoare annotation is: true [2022-11-19 07:11:19,830 INFO L902 garLoopResultBuilder]: At program point pg_writeENTRY(lines 3563 3636) the Hoare annotation is: true [2022-11-19 07:11:19,830 INFO L899 garLoopResultBuilder]: For program point L3604-1(line 3604) no Hoare annotation was computed. [2022-11-19 07:11:19,830 INFO L899 garLoopResultBuilder]: For program point L3600(lines 3600 3603) no Hoare annotation was computed. [2022-11-19 07:11:19,830 INFO L902 garLoopResultBuilder]: At program point L3618(line 3618) the Hoare annotation is: true [2022-11-19 07:11:19,830 INFO L899 garLoopResultBuilder]: For program point L3618-1(line 3618) no Hoare annotation was computed. [2022-11-19 07:11:19,831 INFO L899 garLoopResultBuilder]: For program point L3619(lines 3619 3626) no Hoare annotation was computed. [2022-11-19 07:11:19,831 INFO L902 garLoopResultBuilder]: At program point pi_connectENTRY(lines 4549 4551) the Hoare annotation is: true [2022-11-19 07:11:19,831 INFO L899 garLoopResultBuilder]: For program point pi_connectEXIT(lines 4549 4551) no Hoare annotation was computed. [2022-11-19 07:11:19,831 INFO L899 garLoopResultBuilder]: For program point L3161-1(line 3161) no Hoare annotation was computed. [2022-11-19 07:11:19,831 INFO L902 garLoopResultBuilder]: At program point L3161(line 3161) the Hoare annotation is: true [2022-11-19 07:11:19,831 INFO L899 garLoopResultBuilder]: For program point pg_commandEXIT(lines 3138 3190) no Hoare annotation was computed. [2022-11-19 07:11:19,832 INFO L899 garLoopResultBuilder]: For program point L3157(lines 3157 3160) no Hoare annotation was computed. [2022-11-19 07:11:19,832 INFO L902 garLoopResultBuilder]: At program point L3153-1(line 3153) the Hoare annotation is: true [2022-11-19 07:11:19,832 INFO L902 garLoopResultBuilder]: At program point L3153(line 3153) the Hoare annotation is: true [2022-11-19 07:11:19,832 INFO L899 garLoopResultBuilder]: For program point L3149(lines 3149 3152) no Hoare annotation was computed. [2022-11-19 07:11:19,832 INFO L899 garLoopResultBuilder]: For program point L3145-1(line 3145) no Hoare annotation was computed. [2022-11-19 07:11:19,832 INFO L902 garLoopResultBuilder]: At program point L3145(line 3145) the Hoare annotation is: true [2022-11-19 07:11:19,833 INFO L899 garLoopResultBuilder]: For program point L3162(lines 3162 3166) no Hoare annotation was computed. [2022-11-19 07:11:19,833 INFO L902 garLoopResultBuilder]: At program point L3154(line 3154) the Hoare annotation is: true [2022-11-19 07:11:19,833 INFO L899 garLoopResultBuilder]: For program point L3187-1(line 3187) no Hoare annotation was computed. [2022-11-19 07:11:19,833 INFO L902 garLoopResultBuilder]: At program point L3187(line 3187) the Hoare annotation is: true [2022-11-19 07:11:19,833 INFO L902 garLoopResultBuilder]: At program point L3146(line 3146) the Hoare annotation is: true [2022-11-19 07:11:19,833 INFO L899 garLoopResultBuilder]: For program point L3146-1(line 3146) no Hoare annotation was computed. [2022-11-19 07:11:19,834 INFO L902 garLoopResultBuilder]: At program point L3175(lines 3168 3183) the Hoare annotation is: true [2022-11-19 07:11:19,834 INFO L899 garLoopResultBuilder]: For program point L3167-1(line 3167) no Hoare annotation was computed. [2022-11-19 07:11:19,834 INFO L902 garLoopResultBuilder]: At program point L3167(line 3167) the Hoare annotation is: true [2022-11-19 07:11:19,834 INFO L902 garLoopResultBuilder]: At program point L3155(line 3155) the Hoare annotation is: true [2022-11-19 07:11:19,834 INFO L902 garLoopResultBuilder]: At program point L3147-1(line 3147) the Hoare annotation is: true [2022-11-19 07:11:19,835 INFO L902 garLoopResultBuilder]: At program point L3147(line 3147) the Hoare annotation is: true [2022-11-19 07:11:19,835 INFO L899 garLoopResultBuilder]: For program point L3168(lines 3168 3184) no Hoare annotation was computed. [2022-11-19 07:11:19,835 INFO L899 garLoopResultBuilder]: For program point L3168-2(lines 3168 3184) no Hoare annotation was computed. [2022-11-19 07:11:19,835 INFO L902 garLoopResultBuilder]: At program point L3164(lines 3144 3189) the Hoare annotation is: true [2022-11-19 07:11:19,835 INFO L899 garLoopResultBuilder]: For program point pg_commandFINAL(lines 3138 3190) no Hoare annotation was computed. [2022-11-19 07:11:19,835 INFO L899 garLoopResultBuilder]: For program point L3156(line 3156) no Hoare annotation was computed. [2022-11-19 07:11:19,836 INFO L899 garLoopResultBuilder]: For program point L3148(line 3148) no Hoare annotation was computed. [2022-11-19 07:11:19,836 INFO L902 garLoopResultBuilder]: At program point pg_commandENTRY(lines 3138 3190) the Hoare annotation is: true [2022-11-19 07:11:19,836 INFO L902 garLoopResultBuilder]: At program point ldv__builtin_expectENTRY(lines 4048 4053) the Hoare annotation is: true [2022-11-19 07:11:19,836 INFO L899 garLoopResultBuilder]: For program point ldv__builtin_expectEXIT(lines 4048 4053) no Hoare annotation was computed. [2022-11-19 07:11:19,836 INFO L902 garLoopResultBuilder]: At program point clear_bitENTRY(lines 2805 2811) the Hoare annotation is: true [2022-11-19 07:11:19,836 INFO L899 garLoopResultBuilder]: For program point clear_bitEXIT(lines 2805 2811) no Hoare annotation was computed. [2022-11-19 07:11:19,837 INFO L899 garLoopResultBuilder]: For program point read_regEXIT(lines 3056 3062) no Hoare annotation was computed. [2022-11-19 07:11:19,837 INFO L902 garLoopResultBuilder]: At program point read_regENTRY(lines 3056 3062) the Hoare annotation is: true [2022-11-19 07:11:19,837 INFO L899 garLoopResultBuilder]: For program point L3059-1(line 3059) no Hoare annotation was computed. [2022-11-19 07:11:19,837 INFO L902 garLoopResultBuilder]: At program point L3059(line 3059) the Hoare annotation is: true [2022-11-19 07:11:19,837 INFO L899 garLoopResultBuilder]: For program point L3264(line 3264) no Hoare annotation was computed. [2022-11-19 07:11:19,837 INFO L902 garLoopResultBuilder]: At program point L3260(line 3260) the Hoare annotation is: true [2022-11-19 07:11:19,838 INFO L902 garLoopResultBuilder]: At program point L3322(line 3322) the Hoare annotation is: true [2022-11-19 07:11:19,838 INFO L899 garLoopResultBuilder]: For program point L3260-1(line 3260) no Hoare annotation was computed. [2022-11-19 07:11:19,838 INFO L899 garLoopResultBuilder]: For program point L3322-1(line 3322) no Hoare annotation was computed. [2022-11-19 07:11:19,838 INFO L899 garLoopResultBuilder]: For program point L3273-1(line 3273) no Hoare annotation was computed. [2022-11-19 07:11:19,838 INFO L902 garLoopResultBuilder]: At program point L3273(line 3273) the Hoare annotation is: true [2022-11-19 07:11:19,838 INFO L899 garLoopResultBuilder]: For program point L3261-1(line 3261) no Hoare annotation was computed. [2022-11-19 07:11:19,839 INFO L902 garLoopResultBuilder]: At program point L3261(line 3261) the Hoare annotation is: true [2022-11-19 07:11:19,839 INFO L902 garLoopResultBuilder]: At program point L3290(lines 3254 3324) the Hoare annotation is: true [2022-11-19 07:11:19,839 INFO L899 garLoopResultBuilder]: For program point L3286(line 3286) no Hoare annotation was computed. [2022-11-19 07:11:19,839 INFO L899 garLoopResultBuilder]: For program point L3274(lines 3274 3278) no Hoare annotation was computed. [2022-11-19 07:11:19,839 INFO L902 garLoopResultBuilder]: At program point L3262(line 3262) the Hoare annotation is: true [2022-11-19 07:11:19,840 INFO L902 garLoopResultBuilder]: At program point L3262-1(line 3262) the Hoare annotation is: true [2022-11-19 07:11:19,840 INFO L902 garLoopResultBuilder]: At program point pg_resetENTRY(lines 3244 3325) the Hoare annotation is: true [2022-11-19 07:11:19,840 INFO L902 garLoopResultBuilder]: At program point L3308(lines 3301 3320) the Hoare annotation is: true [2022-11-19 07:11:19,840 INFO L902 garLoopResultBuilder]: At program point L3275(lines 3254 3324) the Hoare annotation is: true [2022-11-19 07:11:19,840 INFO L899 garLoopResultBuilder]: For program point pg_resetEXIT(lines 3244 3325) no Hoare annotation was computed. [2022-11-19 07:11:19,840 INFO L899 garLoopResultBuilder]: For program point L3296-2(lines 3254 3324) no Hoare annotation was computed. [2022-11-19 07:11:19,841 INFO L902 garLoopResultBuilder]: At program point L3263(line 3263) the Hoare annotation is: true [2022-11-19 07:11:19,841 INFO L902 garLoopResultBuilder]: At program point L3288(lines 3254 3324) the Hoare annotation is: true [2022-11-19 07:11:19,841 INFO L902 garLoopResultBuilder]: At program point L3280(lines 3254 3324) the Hoare annotation is: true [2022-11-19 07:11:19,841 INFO L899 garLoopResultBuilder]: For program point L3272(lines 3272 3281) no Hoare annotation was computed. [2022-11-19 07:11:19,841 INFO L902 garLoopResultBuilder]: At program point L3268(lines 3254 3324) the Hoare annotation is: true [2022-11-19 07:11:19,841 INFO L899 garLoopResultBuilder]: For program point L3301-1(lines 3301 3321) no Hoare annotation was computed. [2022-11-19 07:11:19,842 INFO L902 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 2921 2930) the Hoare annotation is: true [2022-11-19 07:11:19,842 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 2921 2930) no Hoare annotation was computed. [2022-11-19 07:11:19,842 INFO L902 garLoopResultBuilder]: At program point mutex_lockENTRY(lines 4535 4537) the Hoare annotation is: true [2022-11-19 07:11:19,842 INFO L899 garLoopResultBuilder]: For program point mutex_lockEXIT(lines 4535 4537) no Hoare annotation was computed. [2022-11-19 07:11:19,842 INFO L899 garLoopResultBuilder]: For program point _copy_from_userEXIT(lines 4516 4518) no Hoare annotation was computed. [2022-11-19 07:11:19,842 INFO L902 garLoopResultBuilder]: At program point _copy_from_userENTRY(lines 4516 4518) the Hoare annotation is: true [2022-11-19 07:11:19,843 INFO L899 garLoopResultBuilder]: For program point L3537(line 3537) no Hoare annotation was computed. [2022-11-19 07:11:19,843 INFO L899 garLoopResultBuilder]: For program point L4462(lines 4462 4465) no Hoare annotation was computed. [2022-11-19 07:11:19,843 INFO L899 garLoopResultBuilder]: For program point L3471(lines 3471 3474) no Hoare annotation was computed. [2022-11-19 07:11:19,843 INFO L899 garLoopResultBuilder]: For program point L3901(line 3901) no Hoare annotation was computed. [2022-11-19 07:11:19,843 INFO L899 garLoopResultBuilder]: For program point L3902(lines 3902 3933) no Hoare annotation was computed. [2022-11-19 07:11:19,843 INFO L899 garLoopResultBuilder]: For program point L3869(line 3869) no Hoare annotation was computed. [2022-11-19 07:11:19,844 INFO L899 garLoopResultBuilder]: For program point L3803(lines 3803 3806) no Hoare annotation was computed. [2022-11-19 07:11:19,844 INFO L899 garLoopResultBuilder]: For program point L3803-2(lines 3803 3806) no Hoare annotation was computed. [2022-11-19 07:11:19,844 INFO L895 garLoopResultBuilder]: At program point L4464-1(lines 4462 4465) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2022-11-19 07:11:19,844 INFO L895 garLoopResultBuilder]: At program point L4497(line 4497) the Hoare annotation is: false [2022-11-19 07:11:19,845 INFO L895 garLoopResultBuilder]: At program point L4464(line 4464) the Hoare annotation is: false [2022-11-19 07:11:19,845 INFO L902 garLoopResultBuilder]: At program point L4497-1(lines 4480 4501) the Hoare annotation is: true [2022-11-19 07:11:19,845 INFO L899 garLoopResultBuilder]: For program point L3870(lines 3870 3874) no Hoare annotation was computed. [2022-11-19 07:11:19,845 INFO L895 garLoopResultBuilder]: At program point L3804(line 3804) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_state_variable_1~0 0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,845 INFO L899 garLoopResultBuilder]: For program point L3804-1(line 3804) no Hoare annotation was computed. [2022-11-19 07:11:19,846 INFO L895 garLoopResultBuilder]: At program point L3771(lines 3707 3774) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,846 INFO L899 garLoopResultBuilder]: For program point L3540(lines 3540 3546) no Hoare annotation was computed. [2022-11-19 07:11:19,846 INFO L899 garLoopResultBuilder]: For program point L3541-1(line 3541) no Hoare annotation was computed. [2022-11-19 07:11:19,846 INFO L895 garLoopResultBuilder]: At program point L3541(line 3541) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2022-11-19 07:11:19,846 INFO L899 garLoopResultBuilder]: For program point L3475-1(lines 3475 3476) no Hoare annotation was computed. [2022-11-19 07:11:19,847 INFO L895 garLoopResultBuilder]: At program point L3475(lines 3475 3476) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,847 INFO L895 garLoopResultBuilder]: At program point L3938(lines 3837 3943) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,847 INFO L899 garLoopResultBuilder]: For program point L3905(line 3905) no Hoare annotation was computed. [2022-11-19 07:11:19,847 INFO L899 garLoopResultBuilder]: For program point L3906(lines 3906 3911) no Hoare annotation was computed. [2022-11-19 07:11:19,847 INFO L899 garLoopResultBuilder]: For program point L3708(lines 3708 3712) no Hoare annotation was computed. [2022-11-19 07:11:19,848 INFO L899 garLoopResultBuilder]: For program point L3477(lines 3477 3486) no Hoare annotation was computed. [2022-11-19 07:11:19,848 INFO L895 garLoopResultBuilder]: At program point L3808(lines 3780 3816) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_state_variable_1~0 0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,848 INFO L895 garLoopResultBuilder]: At program point L3478(line 3478) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,848 INFO L899 garLoopResultBuilder]: For program point L3478-1(line 3478) no Hoare annotation was computed. [2022-11-19 07:11:19,848 INFO L895 garLoopResultBuilder]: At program point L4503(line 4503) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,849 INFO L895 garLoopResultBuilder]: At program point L4503-1(line 4503) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,849 INFO L899 garLoopResultBuilder]: For program point L3479(lines 3479 3484) no Hoare annotation was computed. [2022-11-19 07:11:19,849 INFO L899 garLoopResultBuilder]: For program point L4404(lines 4404 4407) no Hoare annotation was computed. [2022-11-19 07:11:19,849 INFO L895 garLoopResultBuilder]: At program point L3876(line 3876) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,850 INFO L895 garLoopResultBuilder]: At program point L4009-1(lines 4005 4012) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2022-11-19 07:11:19,850 INFO L895 garLoopResultBuilder]: At program point L4009(line 4009) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2022-11-19 07:11:19,850 INFO L895 garLoopResultBuilder]: At program point L4406(line 4406) the Hoare annotation is: false [2022-11-19 07:11:19,865 INFO L895 garLoopResultBuilder]: At program point L4406-1(lines 4404 4407) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,865 INFO L899 garLoopResultBuilder]: For program point L3845(line 3845) no Hoare annotation was computed. [2022-11-19 07:11:19,865 INFO L895 garLoopResultBuilder]: At program point L3746(lines 3746 3751) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,866 INFO L895 garLoopResultBuilder]: At program point L3680(line 3680) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,866 INFO L899 garLoopResultBuilder]: For program point L3680-1(line 3680) no Hoare annotation was computed. [2022-11-19 07:11:19,866 INFO L895 garLoopResultBuilder]: At program point L3548(lines 3515 3551) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2022-11-19 07:11:19,866 INFO L899 garLoopResultBuilder]: For program point L3846(lines 3846 3899) no Hoare annotation was computed. [2022-11-19 07:11:19,867 INFO L899 garLoopResultBuilder]: For program point L3648(lines 3648 3651) no Hoare annotation was computed. [2022-11-19 07:11:19,867 INFO L899 garLoopResultBuilder]: For program point L3681(lines 3681 3684) no Hoare annotation was computed. [2022-11-19 07:11:19,867 INFO L899 garLoopResultBuilder]: For program point L3483-1(line 3483) no Hoare annotation was computed. [2022-11-19 07:11:19,867 INFO L895 garLoopResultBuilder]: At program point L3483(line 3483) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,867 INFO L899 garLoopResultBuilder]: For program point L3913(line 3913) no Hoare annotation was computed. [2022-11-19 07:11:19,868 INFO L895 garLoopResultBuilder]: At program point L3715(lines 3715 3719) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,868 INFO L899 garLoopResultBuilder]: For program point L3914(lines 3914 3926) no Hoare annotation was computed. [2022-11-19 07:11:19,868 INFO L895 garLoopResultBuilder]: At program point L3749(lines 3707 3774) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,868 INFO L899 garLoopResultBuilder]: For program point L3849(line 3849) no Hoare annotation was computed. [2022-11-19 07:11:19,869 INFO L899 garLoopResultBuilder]: For program point L3850(lines 3850 3854) no Hoare annotation was computed. [2022-11-19 07:11:19,869 INFO L899 garLoopResultBuilder]: For program point L3916-2(lines 3914 3925) no Hoare annotation was computed. [2022-11-19 07:11:19,869 INFO L899 garLoopResultBuilder]: For program point L3883(line 3883) no Hoare annotation was computed. [2022-11-19 07:11:19,869 INFO L899 garLoopResultBuilder]: For program point L3850-2(lines 3848 3896) no Hoare annotation was computed. [2022-11-19 07:11:19,869 INFO L899 garLoopResultBuilder]: For program point L3652(lines 3652 3655) no Hoare annotation was computed. [2022-11-19 07:11:19,870 INFO L899 garLoopResultBuilder]: For program point L3685(lines 3685 3693) no Hoare annotation was computed. [2022-11-19 07:11:19,870 INFO L899 garLoopResultBuilder]: For program point L3685-2(lines 3685 3693) no Hoare annotation was computed. [2022-11-19 07:11:19,870 INFO L895 garLoopResultBuilder]: At program point L3487(lines 3466 3497) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,870 INFO L895 garLoopResultBuilder]: At program point L3884(lines 3884 3892) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,871 INFO L899 garLoopResultBuilder]: For program point L3851-1(line 3851) no Hoare annotation was computed. [2022-11-19 07:11:19,871 INFO L895 garLoopResultBuilder]: At program point L3851(line 3851) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,871 INFO L895 garLoopResultBuilder]: At program point L3686(lines 3686 3687) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,871 INFO L899 garLoopResultBuilder]: For program point L3686-1(lines 3686 3687) no Hoare annotation was computed. [2022-11-19 07:11:19,872 INFO L895 garLoopResultBuilder]: At program point L3455-1(lines 3451 3506) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,872 INFO L895 garLoopResultBuilder]: At program point L3521-2(lines 3521 3525) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2022-11-19 07:11:19,872 INFO L899 garLoopResultBuilder]: For program point L3455(lines 3455 3499) no Hoare annotation was computed. [2022-11-19 07:11:19,872 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-19 07:11:19,873 INFO L895 garLoopResultBuilder]: At program point L4017-1(lines 4013 4020) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,873 INFO L895 garLoopResultBuilder]: At program point L4017(line 4017) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,873 INFO L895 garLoopResultBuilder]: At program point L3456(lines 3456 3457) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,873 INFO L899 garLoopResultBuilder]: For program point L3456-1(lines 3456 3457) no Hoare annotation was computed. [2022-11-19 07:11:19,874 INFO L899 garLoopResultBuilder]: For program point L3688(lines 3688 3691) no Hoare annotation was computed. [2022-11-19 07:11:19,874 INFO L899 garLoopResultBuilder]: For program point L3721(lines 3721 3741) no Hoare annotation was computed. [2022-11-19 07:11:19,874 INFO L895 garLoopResultBuilder]: At program point L3490(lines 3466 3497) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,874 INFO L895 garLoopResultBuilder]: At program point L3028(line 3028) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,874 INFO L899 garLoopResultBuilder]: For program point L3028-1(line 3028) no Hoare annotation was computed. [2022-11-19 07:11:19,875 INFO L899 garLoopResultBuilder]: For program point L3458(lines 3458 3497) no Hoare annotation was computed. [2022-11-19 07:11:19,875 INFO L899 garLoopResultBuilder]: For program point L3657-1(line 3657) no Hoare annotation was computed. [2022-11-19 07:11:19,875 INFO L895 garLoopResultBuilder]: At program point L3657(line 3657) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,875 INFO L899 garLoopResultBuilder]: For program point L4483(lines 4483 4486) no Hoare annotation was computed. [2022-11-19 07:11:19,875 INFO L899 garLoopResultBuilder]: For program point L3459-1(line 3459) no Hoare annotation was computed. [2022-11-19 07:11:19,876 INFO L895 garLoopResultBuilder]: At program point L3459(line 3459) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,876 INFO L895 garLoopResultBuilder]: At program point L3922(lines 3837 3943) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,876 INFO L895 garLoopResultBuilder]: At program point L3856(line 3856) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,877 INFO L895 garLoopResultBuilder]: At program point L3790(lines 3780 3816) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,877 INFO L899 garLoopResultBuilder]: For program point L3856-1(line 3856) no Hoare annotation was computed. [2022-11-19 07:11:19,877 INFO L899 garLoopResultBuilder]: For program point L3658(lines 3658 3664) no Hoare annotation was computed. [2022-11-19 07:11:19,877 INFO L899 garLoopResultBuilder]: For program point L3658-2(lines 3658 3664) no Hoare annotation was computed. [2022-11-19 07:11:19,877 INFO L895 garLoopResultBuilder]: At program point L3559-1(line 3559) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,878 INFO L895 garLoopResultBuilder]: At program point L3559(line 3559) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,878 INFO L899 garLoopResultBuilder]: For program point L3460(lines 3460 3465) no Hoare annotation was computed. [2022-11-19 07:11:19,878 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-19 07:11:19,878 INFO L899 garLoopResultBuilder]: For program point L3659(lines 3659 3662) no Hoare annotation was computed. [2022-11-19 07:11:19,878 INFO L899 garLoopResultBuilder]: For program point L3527(lines 3527 3531) no Hoare annotation was computed. [2022-11-19 07:11:19,879 INFO L895 garLoopResultBuilder]: At program point L4485(line 4485) the Hoare annotation is: false [2022-11-19 07:11:19,879 INFO L899 garLoopResultBuilder]: For program point L4485-1(lines 4482 4500) no Hoare annotation was computed. [2022-11-19 07:11:19,879 INFO L895 garLoopResultBuilder]: At program point L2933-1(line 2933) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2022-11-19 07:11:19,879 INFO L895 garLoopResultBuilder]: At program point L2933(line 2933) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2022-11-19 07:11:19,879 INFO L895 garLoopResultBuilder]: At program point L2835-1(line 2835) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,880 INFO L895 garLoopResultBuilder]: At program point L2835(line 2835) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,880 INFO L895 garLoopResultBuilder]: At program point L3694(lines 3637 3696) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,880 INFO L899 garLoopResultBuilder]: For program point L3727(lines 3727 3730) no Hoare annotation was computed. [2022-11-19 07:11:19,880 INFO L899 garLoopResultBuilder]: For program point L3727-2(lines 3727 3730) no Hoare annotation was computed. [2022-11-19 07:11:19,881 INFO L895 garLoopResultBuilder]: At program point L3728(line 3728) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,881 INFO L895 garLoopResultBuilder]: At program point L3761(lines 3707 3774) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,881 INFO L899 garLoopResultBuilder]: For program point L3728-1(line 3728) no Hoare annotation was computed. [2022-11-19 07:11:19,881 INFO L895 garLoopResultBuilder]: At program point L3464(line 3464) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,881 INFO L899 garLoopResultBuilder]: For program point L3464-1(line 3464) no Hoare annotation was computed. [2022-11-19 07:11:19,882 INFO L899 garLoopResultBuilder]: For program point L3861(line 3861) no Hoare annotation was computed. [2022-11-19 07:11:19,882 INFO L895 garLoopResultBuilder]: At program point L4489(line 4489) the Hoare annotation is: false [2022-11-19 07:11:19,882 INFO L899 garLoopResultBuilder]: For program point L4489-1(lines 4482 4500) no Hoare annotation was computed. [2022-11-19 07:11:19,882 INFO L899 garLoopResultBuilder]: For program point L3862(lines 3862 3867) no Hoare annotation was computed. [2022-11-19 07:11:19,882 INFO L899 garLoopResultBuilder]: For program point L3532(lines 3532 3536) no Hoare annotation was computed. [2022-11-19 07:11:19,883 INFO L895 garLoopResultBuilder]: At program point L3532-2(lines 3532 3536) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2022-11-19 07:11:19,883 INFO L899 garLoopResultBuilder]: For program point L3533-1(line 3533) no Hoare annotation was computed. [2022-11-19 07:11:19,883 INFO L895 garLoopResultBuilder]: At program point L3533(line 3533) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2022-11-19 07:11:19,883 INFO L895 garLoopResultBuilder]: At program point L-1-2(line -1) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,884 INFO L895 garLoopResultBuilder]: At program point L3798(line 3798) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,884 INFO L895 garLoopResultBuilder]: At program point L3732(lines 3721 3740) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,884 INFO L899 garLoopResultBuilder]: For program point L3798-1(line 3798) no Hoare annotation was computed. [2022-11-19 07:11:19,884 INFO L895 garLoopResultBuilder]: At program point L3039(lines 3020 3047) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-19 07:11:19,885 INFO L895 garLoopResultBuilder]: At program point L4493(line 4493) the Hoare annotation is: false [2022-11-19 07:11:19,885 INFO L899 garLoopResultBuilder]: For program point L4493-1(lines 4482 4500) no Hoare annotation was computed. [2022-11-19 07:11:19,885 INFO L899 garLoopResultBuilder]: For program point xsEXIT(lines 3326 3364) no Hoare annotation was computed. [2022-11-19 07:11:19,885 INFO L902 garLoopResultBuilder]: At program point xsENTRY(lines 3326 3364) the Hoare annotation is: true [2022-11-19 07:11:19,885 INFO L902 garLoopResultBuilder]: At program point L3350(lines 3333 3363) the Hoare annotation is: true [2022-11-19 07:11:19,886 INFO L902 garLoopResultBuilder]: At program point L3392(line 3392) the Hoare annotation is: true [2022-11-19 07:11:19,886 INFO L899 garLoopResultBuilder]: For program point L3393(lines 3393 3396) no Hoare annotation was computed. [2022-11-19 07:11:19,886 INFO L899 garLoopResultBuilder]: For program point L3392-1(line 3392) no Hoare annotation was computed. [2022-11-19 07:11:19,886 INFO L899 garLoopResultBuilder]: For program point L3388(lines 3388 3391) no Hoare annotation was computed. [2022-11-19 07:11:19,886 INFO L899 garLoopResultBuilder]: For program point L3387-1(line 3387) no Hoare annotation was computed. [2022-11-19 07:11:19,887 INFO L902 garLoopResultBuilder]: At program point L3387(line 3387) the Hoare annotation is: true [2022-11-19 07:11:19,887 INFO L899 garLoopResultBuilder]: For program point pg_identifyEXIT(lines 3365 3406) no Hoare annotation was computed. [2022-11-19 07:11:19,887 INFO L902 garLoopResultBuilder]: At program point pg_identifyENTRY(lines 3365 3406) the Hoare annotation is: true [2022-11-19 07:11:19,887 INFO L902 garLoopResultBuilder]: At program point L3398(line 3398) the Hoare annotation is: true [2022-11-19 07:11:19,887 INFO L899 garLoopResultBuilder]: For program point L3399(line 3399) no Hoare annotation was computed. [2022-11-19 07:11:19,888 INFO L899 garLoopResultBuilder]: For program point pg_identifyFINAL(lines 3365 3406) no Hoare annotation was computed. [2022-11-19 07:11:19,888 INFO L899 garLoopResultBuilder]: For program point L3397(lines 3397 3403) no Hoare annotation was computed. [2022-11-19 07:11:19,888 INFO L902 garLoopResultBuilder]: At program point L3398-1(line 3398) the Hoare annotation is: true [2022-11-19 07:11:19,888 INFO L899 garLoopResultBuilder]: For program point L3397-2(lines 3397 3403) no Hoare annotation was computed. [2022-11-19 07:11:19,888 INFO L899 garLoopResultBuilder]: For program point pi_write_blockEXIT(lines 4569 4571) no Hoare annotation was computed. [2022-11-19 07:11:19,889 INFO L902 garLoopResultBuilder]: At program point pi_write_blockENTRY(lines 4569 4571) the Hoare annotation is: true [2022-11-19 07:11:19,893 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:11:19,895 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 07:11:19,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:11:19 BoogieIcfgContainer [2022-11-19 07:11:19,925 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:11:19,926 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:11:19,926 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:11:19,926 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:11:19,927 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:11:04" (3/4) ... [2022-11-19 07:11:19,931 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 07:11:19,938 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_from_user [2022-11-19 07:11:19,938 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_release [2022-11-19 07:11:19,939 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_init [2022-11-19 07:11:19,939 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure write_reg [2022-11-19 07:11:19,939 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_sleep [2022-11-19 07:11:19,939 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_read_regr [2022-11-19 07:11:19,939 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure might_fault [2022-11-19 07:11:19,939 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_disconnect [2022-11-19 07:11:19,940 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_probe [2022-11-19 07:11:19,940 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure status_reg [2022-11-19 07:11:19,940 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_completion [2022-11-19 07:11:19,940 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_unregister_chrdev_11 [2022-11-19 07:11:19,940 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure DRIVE [2022-11-19 07:11:19,940 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2022-11-19 07:11:19,941 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_to_user [2022-11-19 07:11:19,941 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_wait [2022-11-19 07:11:19,941 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2022-11-19 07:11:19,941 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_write [2022-11-19 07:11:19,941 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_connect [2022-11-19 07:11:19,941 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_command [2022-11-19 07:11:19,942 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2022-11-19 07:11:19,942 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure clear_bit [2022-11-19 07:11:19,942 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_reg [2022-11-19 07:11:19,942 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_reset [2022-11-19 07:11:19,942 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-11-19 07:11:19,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2022-11-19 07:11:19,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _copy_from_user [2022-11-19 07:11:19,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure xs [2022-11-19 07:11:19,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_identify [2022-11-19 07:11:19,944 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_write_block [2022-11-19 07:11:19,971 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 301 nodes and edges [2022-11-19 07:11:19,974 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 111 nodes and edges [2022-11-19 07:11:19,977 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-11-19 07:11:19,979 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-19 07:11:19,982 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-19 07:11:19,985 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-19 07:11:19,987 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 07:11:20,164 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 07:11:20,164 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:11:20,165 INFO L158 Benchmark]: Toolchain (without parser) took 20954.11ms. Allocated memory was 96.5MB in the beginning and 352.3MB in the end (delta: 255.9MB). Free memory was 59.5MB in the beginning and 272.9MB in the end (delta: -213.4MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2022-11-19 07:11:20,166 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 96.5MB. Free memory was 52.9MB in the beginning and 52.8MB in the end (delta: 94.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:11:20,166 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1823.31ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 59.2MB in the beginning and 66.5MB in the end (delta: -7.3MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2022-11-19 07:11:20,166 INFO L158 Benchmark]: Boogie Procedure Inliner took 139.33ms. Allocated memory is still 117.4MB. Free memory was 66.5MB in the beginning and 58.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-19 07:11:20,167 INFO L158 Benchmark]: Boogie Preprocessor took 160.33ms. Allocated memory is still 117.4MB. Free memory was 58.1MB in the beginning and 79.2MB in the end (delta: -21.1MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2022-11-19 07:11:20,167 INFO L158 Benchmark]: RCFGBuilder took 3288.15ms. Allocated memory was 117.4MB in the beginning and 180.4MB in the end (delta: 62.9MB). Free memory was 79.2MB in the beginning and 120.4MB in the end (delta: -41.3MB). Peak memory consumption was 86.2MB. Max. memory is 16.1GB. [2022-11-19 07:11:20,168 INFO L158 Benchmark]: TraceAbstraction took 15292.19ms. Allocated memory was 180.4MB in the beginning and 352.3MB in the end (delta: 172.0MB). Free memory was 120.4MB in the beginning and 295.2MB in the end (delta: -174.8MB). Peak memory consumption was 165.5MB. Max. memory is 16.1GB. [2022-11-19 07:11:20,168 INFO L158 Benchmark]: Witness Printer took 238.42ms. Allocated memory is still 352.3MB. Free memory was 295.2MB in the beginning and 272.9MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-19 07:11:20,171 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 96.5MB. Free memory was 52.9MB in the beginning and 52.8MB in the end (delta: 94.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1823.31ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 59.2MB in the beginning and 66.5MB in the end (delta: -7.3MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 139.33ms. Allocated memory is still 117.4MB. Free memory was 66.5MB in the beginning and 58.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 160.33ms. Allocated memory is still 117.4MB. Free memory was 58.1MB in the beginning and 79.2MB in the end (delta: -21.1MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * RCFGBuilder took 3288.15ms. Allocated memory was 117.4MB in the beginning and 180.4MB in the end (delta: 62.9MB). Free memory was 79.2MB in the beginning and 120.4MB in the end (delta: -41.3MB). Peak memory consumption was 86.2MB. Max. memory is 16.1GB. * TraceAbstraction took 15292.19ms. Allocated memory was 180.4MB in the beginning and 352.3MB in the end (delta: 172.0MB). Free memory was 120.4MB in the beginning and 295.2MB in the end (delta: -174.8MB). Peak memory consumption was 165.5MB. Max. memory is 16.1GB. * Witness Printer took 238.42ms. Allocated memory is still 352.3MB. Free memory was 295.2MB in the beginning and 272.9MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 4044]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 337 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.1s, OverallIterations: 10, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2969 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2967 mSDsluCounter, 6266 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1978 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1187 IncrementalHoareTripleChecker+Invalid, 1197 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 4288 mSDtfsCounter, 1187 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 217 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=764occurred in iteration=9, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 10 MinimizatonAttempts, 22 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 159 LocationsWithAnnotation, 2960 PreInvPairs, 3033 NumberOfFragments, 1011 HoareAnnotationTreeSize, 2960 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 159 FomulaSimplificationsInter, 13241 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 442 NumberOfCodeBlocks, 442 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 426 ConstructedInterpolants, 0 QuantifiedInterpolants, 706 SizeOfPredicates, 0 NumberOfNonLiveVariables, 5417 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 16/22 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 4503]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3413]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3234]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3301]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2921]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3168]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3876]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3413]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4013]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3746]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3721]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3707]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3413]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4462]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_pg_mutex == 2 - InvariantResult [Line: 3780]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3092]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3837]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3144]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2986]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3884]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3466]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 4005]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_pg_mutex == 2 - InvariantResult [Line: 3254]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3333]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2835]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3201]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3466]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3106]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4032]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3515]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_pg_mutex == 2 - InvariantResult [Line: 4480]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3254]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3020]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3099]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4404]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3521]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_pg_mutex == 2 - InvariantResult [Line: 3076]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3451]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3837]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3707]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3063]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3780]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_state_variable_1 == 0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3201]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3715]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 2933]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_pg_mutex == 2 - InvariantResult [Line: 3201]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3254]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3254]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3707]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3254]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3637]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3559]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 RESULT: Ultimate proved your program to be correct! [2022-11-19 07:11:20,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d40ccb-8ac2-4a7a-9e32-595b9ad54721/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE