./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfbffcf-6aa7-4742-bd28-e6179f3fbe8d/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfbffcf-6aa7-4742-bd28-e6179f3fbe8d/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfbffcf-6aa7-4742-bd28-e6179f3fbe8d/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfbffcf-6aa7-4742-bd28-e6179f3fbe8d/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfbffcf-6aa7-4742-bd28-e6179f3fbe8d/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfbffcf-6aa7-4742-bd28-e6179f3fbe8d/bin/utaipan-eEHZpOm5b7 --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 3ecfb8b0fcef33da98f558e52c103bea043ca8b7f1be39029ddcf57b060bd03a --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:57:33,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:57:33,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:57:33,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:57:33,278 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:57:33,282 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:57:33,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:57:33,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:57:33,291 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:57:33,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:57:33,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:57:33,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:57:33,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:57:33,302 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:57:33,304 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:57:33,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:57:33,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:57:33,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:57:33,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:57:33,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:57:33,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:57:33,325 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:57:33,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:57:33,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:57:33,338 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:57:33,338 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:57:33,338 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:57:33,341 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:57:33,341 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:57:33,343 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:57:33,343 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:57:33,344 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:57:33,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:57:33,347 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:57:33,348 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:57:33,348 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:57:33,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:57:33,349 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:57:33,349 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:57:33,350 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:57:33,351 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:57:33,352 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfbffcf-6aa7-4742-bd28-e6179f3fbe8d/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 18:57:33,383 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:57:33,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:57:33,384 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:57:33,384 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:57:33,384 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:57:33,389 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:57:33,389 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:57:33,390 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:57:33,390 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:57:33,390 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:57:33,390 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:57:33,390 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:57:33,390 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:57:33,391 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:57:33,391 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:57:33,391 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:57:33,391 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:57:33,391 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:57:33,392 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:57:33,392 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:57:33,392 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:57:33,393 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:57:33,393 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:57:33,393 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:57:33,393 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:57:33,393 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:57:33,394 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:57:33,394 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:57:33,394 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:57:33,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:57:33,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:57:33,395 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:57:33,395 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:57:33,395 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:57:33,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:57:33,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:57:33,395 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:57:33,396 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:57:33,396 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfbffcf-6aa7-4742-bd28-e6179f3fbe8d/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfbffcf-6aa7-4742-bd28-e6179f3fbe8d/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ecfb8b0fcef33da98f558e52c103bea043ca8b7f1be39029ddcf57b060bd03a [2021-11-25 18:57:33,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:57:33,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:57:33,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:57:33,686 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:57:33,686 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:57:33,688 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfbffcf-6aa7-4742-bd28-e6179f3fbe8d/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i [2021-11-25 18:57:33,765 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfbffcf-6aa7-4742-bd28-e6179f3fbe8d/bin/utaipan-eEHZpOm5b7/data/141dd17a4/1536fe9914f5498b8a39b1e86da99959/FLAGacff32ab4 [2021-11-25 18:57:34,689 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:57:34,690 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfbffcf-6aa7-4742-bd28-e6179f3fbe8d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i [2021-11-25 18:57:34,736 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfbffcf-6aa7-4742-bd28-e6179f3fbe8d/bin/utaipan-eEHZpOm5b7/data/141dd17a4/1536fe9914f5498b8a39b1e86da99959/FLAGacff32ab4 [2021-11-25 18:57:35,106 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfbffcf-6aa7-4742-bd28-e6179f3fbe8d/bin/utaipan-eEHZpOm5b7/data/141dd17a4/1536fe9914f5498b8a39b1e86da99959 [2021-11-25 18:57:35,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:57:35,109 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:57:35,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:57:35,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:57:35,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:57:35,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:57:35" (1/1) ... [2021-11-25 18:57:35,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b43e4ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:57:35, skipping insertion in model container [2021-11-25 18:57:35,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:57:35" (1/1) ... [2021-11-25 18:57:35,128 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:57:35,330 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:57:37,400 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfbffcf-6aa7-4742-bd28-e6179f3fbe8d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i[290722,290735] [2021-11-25 18:57:37,469 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:57:37,525 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:57:38,023 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfbffcf-6aa7-4742-bd28-e6179f3fbe8d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i[290722,290735] [2021-11-25 18:57:38,037 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:57:38,260 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:57:38,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:57:38 WrapperNode [2021-11-25 18:57:38,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:57:38,262 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:57:38,262 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:57:38,262 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:57:38,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:57:38" (1/1) ... [2021-11-25 18:57:38,389 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:57:38" (1/1) ... [2021-11-25 18:57:38,545 INFO L137 Inliner]: procedures = 235, calls = 2206, calls flagged for inlining = 117, calls inlined = 113, statements flattened = 5018 [2021-11-25 18:57:38,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:57:38,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:57:38,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:57:38,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:57:38,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:57:38" (1/1) ... [2021-11-25 18:57:38,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:57:38" (1/1) ... [2021-11-25 18:57:38,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:57:38" (1/1) ... [2021-11-25 18:57:38,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:57:38" (1/1) ... [2021-11-25 18:57:38,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:57:38" (1/1) ... [2021-11-25 18:57:38,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:57:38" (1/1) ... [2021-11-25 18:57:38,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:57:38" (1/1) ... [2021-11-25 18:57:38,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:57:38,812 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:57:38,812 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:57:38,812 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:57:38,813 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:57:38" (1/1) ... [2021-11-25 18:57:38,820 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:57:38,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfbffcf-6aa7-4742-bd28-e6179f3fbe8d/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:57:38,841 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfbffcf-6aa7-4742-bd28-e6179f3fbe8d/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:57:38,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bfbffcf-6aa7-4742-bd28-e6179f3fbe8d/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:57:38,885 INFO L130 BoogieDeclarations]: Found specification of procedure smc_ioctl [2021-11-25 18:57:38,885 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_ioctl [2021-11-25 18:57:38,885 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2021-11-25 18:57:38,885 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2021-11-25 18:57:38,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 18:57:38,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 18:57:38,885 INFO L130 BoogieDeclarations]: Found specification of procedure smc_hardware_send_packet [2021-11-25 18:57:38,886 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_hardware_send_packet [2021-11-25 18:57:38,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 18:57:38,886 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 18:57:38,887 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_detach [2021-11-25 18:57:38,887 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_detach [2021-11-25 18:57:38,887 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2021-11-25 18:57:38,887 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2021-11-25 18:57:38,888 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-25 18:57:38,888 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-25 18:57:38,889 INFO L130 BoogieDeclarations]: Found specification of procedure mhz_3288_power [2021-11-25 18:57:38,889 INFO L138 BoogieDeclarations]: Found implementation of procedure mhz_3288_power [2021-11-25 18:57:38,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-25 18:57:38,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-25 18:57:38,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 18:57:38,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 18:57:38,889 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_request_io [2021-11-25 18:57:38,889 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_request_io [2021-11-25 18:57:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-11-25 18:57:38,890 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-11-25 18:57:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure osi_load_firmware [2021-11-25 18:57:38,890 INFO L138 BoogieDeclarations]: Found implementation of procedure osi_load_firmware [2021-11-25 18:57:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-25 18:57:38,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-25 18:57:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 18:57:38,890 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 18:57:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-25 18:57:38,891 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-25 18:57:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-25 18:57:38,891 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-25 18:57:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure smc_set_xcvr [2021-11-25 18:57:38,891 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_set_xcvr [2021-11-25 18:57:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2021-11-25 18:57:38,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2021-11-25 18:57:38,892 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-25 18:57:38,892 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-25 18:57:38,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:57:38,892 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-11-25 18:57:38,892 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-11-25 18:57:38,892 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-25 18:57:38,892 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-25 18:57:38,893 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-11-25 18:57:38,893 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-11-25 18:57:38,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:57:38,894 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-25 18:57:38,894 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-25 18:57:38,895 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-25 18:57:38,895 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-25 18:57:38,895 INFO L130 BoogieDeclarations]: Found specification of procedure mot_config [2021-11-25 18:57:38,895 INFO L138 BoogieDeclarations]: Found implementation of procedure mot_config [2021-11-25 18:57:38,895 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_resume [2021-11-25 18:57:38,896 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_resume [2021-11-25 18:57:38,896 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-25 18:57:38,896 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-25 18:57:38,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-11-25 18:57:38,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-11-25 18:57:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-25 18:57:38,897 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-25 18:57:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:57:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 18:57:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_suspend [2021-11-25 18:57:38,897 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_suspend [2021-11-25 18:57:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure check_sig [2021-11-25 18:57:38,898 INFO L138 BoogieDeclarations]: Found implementation of procedure check_sig [2021-11-25 18:57:38,898 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-11-25 18:57:38,898 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-11-25 18:57:38,898 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-11-25 18:57:38,898 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-11-25 18:57:38,898 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-25 18:57:38,898 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-25 18:57:38,898 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-25 18:57:38,899 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-25 18:57:38,899 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-25 18:57:38,899 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-25 18:57:38,900 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-11-25 18:57:38,900 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-11-25 18:57:38,900 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2021-11-25 18:57:38,900 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2021-11-25 18:57:38,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:57:38,901 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-11-25 18:57:38,901 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-11-25 18:57:38,901 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-25 18:57:38,901 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-25 18:57:38,902 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-25 18:57:38,902 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-25 18:57:38,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-25 18:57:38,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-25 18:57:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2021-11-25 18:57:38,903 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2021-11-25 18:57:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure cvt_ascii_address [2021-11-25 18:57:38,903 INFO L138 BoogieDeclarations]: Found implementation of procedure cvt_ascii_address [2021-11-25 18:57:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:57:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2021-11-25 18:57:38,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2021-11-25 18:57:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_tuple [2021-11-25 18:57:38,904 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_tuple [2021-11-25 18:57:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_release [2021-11-25 18:57:38,904 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_release [2021-11-25 18:57:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 18:57:38,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 18:57:38,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-25 18:57:38,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-25 18:57:38,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:57:38,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-25 18:57:38,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-25 18:57:38,906 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2021-11-25 18:57:38,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2021-11-25 18:57:38,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:57:38,909 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-25 18:57:38,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-25 18:57:38,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:57:38,912 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_config [2021-11-25 18:57:38,912 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_config [2021-11-25 18:57:38,912 INFO L130 BoogieDeclarations]: Found specification of procedure s9k_config [2021-11-25 18:57:38,912 INFO L138 BoogieDeclarations]: Found implementation of procedure s9k_config [2021-11-25 18:57:38,917 INFO L130 BoogieDeclarations]: Found specification of procedure smc_tx_timeout [2021-11-25 18:57:38,917 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_tx_timeout [2021-11-25 18:57:38,917 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-25 18:57:38,918 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-25 18:57:38,918 INFO L130 BoogieDeclarations]: Found specification of procedure smc_reset [2021-11-25 18:57:38,918 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_reset [2021-11-25 18:57:38,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:57:38,918 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-11-25 18:57:38,918 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-11-25 18:57:38,918 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2021-11-25 18:57:38,918 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2021-11-25 18:57:38,918 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-25 18:57:38,919 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-25 18:57:38,919 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-11-25 18:57:38,919 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-11-25 18:57:38,919 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-11-25 18:57:38,919 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-11-25 18:57:38,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:57:38,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:57:39,679 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:57:39,683 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:57:40,565 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 18:57:46,781 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:57:47,924 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:57:47,924 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 18:57:47,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:57:47 BoogieIcfgContainer [2021-11-25 18:57:47,929 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:57:47,930 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:57:47,931 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:57:47,934 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:57:47,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:57:35" (1/3) ... [2021-11-25 18:57:47,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f35fa72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:57:47, skipping insertion in model container [2021-11-25 18:57:47,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:57:38" (2/3) ... [2021-11-25 18:57:47,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f35fa72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:57:47, skipping insertion in model container [2021-11-25 18:57:47,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:57:47" (3/3) ... [2021-11-25 18:57:47,937 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i [2021-11-25 18:57:47,942 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:57:47,942 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 18:57:47,994 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:57:48,000 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 18:57:48,000 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 18:57:48,055 INFO L276 IsEmpty]: Start isEmpty. Operand has 1159 states, 676 states have (on average 1.3387573964497042) internal successors, (905), 709 states have internal predecessors, (905), 418 states have call successors, (418), 64 states have call predecessors, (418), 63 states have return successors, (412), 405 states have call predecessors, (412), 412 states have call successors, (412) [2021-11-25 18:57:48,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-11-25 18:57:48,102 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:57:48,104 INFO L514 BasicCegarLoop]: trace histogram [11, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:57:48,105 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:57:48,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:57:48,114 INFO L85 PathProgramCache]: Analyzing trace with hash -2004541049, now seen corresponding path program 1 times [2021-11-25 18:57:48,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:57:48,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233785699] [2021-11-25 18:57:48,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:57:48,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms