./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba --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 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc --- 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-b5237d8 [2022-11-22 01:33:36,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:33:36,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:33:36,300 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:33:36,300 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:33:36,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:33:36,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:33:36,309 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:33:36,311 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:33:36,316 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:33:36,317 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:33:36,318 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:33:36,318 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:33:36,319 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:33:36,320 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:33:36,321 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:33:36,322 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:33:36,322 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:33:36,324 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:33:36,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:33:36,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:33:36,331 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:33:36,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:33:36,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:33:36,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:33:36,349 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:33:36,349 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:33:36,350 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:33:36,350 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:33:36,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:33:36,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:33:36,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:33:36,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:33:36,354 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:33:36,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:33:36,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:33:36,355 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:33:36,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:33:36,356 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:33:36,357 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:33:36,358 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:33:36,362 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 01:33:36,401 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:33:36,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:33:36,402 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:33:36,421 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:33:36,422 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:33:36,422 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:33:36,423 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:33:36,423 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:33:36,423 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:33:36,423 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:33:36,425 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:33:36,425 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:33:36,425 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:33:36,425 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:33:36,426 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:33:36,426 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:33:36,426 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:33:36,427 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:33:36,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:33:36,428 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:33:36,428 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:33:36,428 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:33:36,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:33:36,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:33:36,429 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:33:36,429 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:33:36,430 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:33:36,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:33:36,430 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:33:36,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:33:36,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:33:36,431 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:33:36,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:33:36,432 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:33:36,432 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:33:36,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:33:36,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:33:36,433 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:33:36,433 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_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc [2022-11-22 01:33:36,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:33:36,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:33:36,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:33:36,801 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:33:36,802 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:33:36,803 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2022-11-22 01:33:40,027 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:33:40,718 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:33:40,719 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2022-11-22 01:33:40,787 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/data/d2fd67b70/96a94a2ff0c042a2adb84345c31bf5ea/FLAG410c391f9 [2022-11-22 01:33:40,807 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/data/d2fd67b70/96a94a2ff0c042a2adb84345c31bf5ea [2022-11-22 01:33:40,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:33:40,812 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:33:40,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:33:40,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:33:40,818 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:33:40,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:33:40" (1/1) ... [2022-11-22 01:33:40,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23ad951f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:33:40, skipping insertion in model container [2022-11-22 01:33:40,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:33:40" (1/1) ... [2022-11-22 01:33:40,828 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:33:40,985 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:33:43,652 WARN L237 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_6646d650-d6ce-4656-968c-3c4073f996e5/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2022-11-22 01:33:43,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:33:43,736 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:33:44,360 WARN L237 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_6646d650-d6ce-4656-968c-3c4073f996e5/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2022-11-22 01:33:44,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:33:44,713 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:33:44,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:33:44 WrapperNode [2022-11-22 01:33:44,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:33:44,715 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:33:44,715 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:33:44,715 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:33:44,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:33:44" (1/1) ... [2022-11-22 01:33:44,866 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:33:44" (1/1) ... [2022-11-22 01:33:45,084 INFO L138 Inliner]: procedures = 343, calls = 3539, calls flagged for inlining = 191, calls inlined = 172, statements flattened = 8381 [2022-11-22 01:33:45,086 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:33:45,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:33:45,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:33:45,087 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:33:45,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:33:44" (1/1) ... [2022-11-22 01:33:45,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:33:44" (1/1) ... [2022-11-22 01:33:45,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:33:44" (1/1) ... [2022-11-22 01:33:45,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:33:44" (1/1) ... [2022-11-22 01:33:45,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:33:44" (1/1) ... [2022-11-22 01:33:45,493 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:33:44" (1/1) ... [2022-11-22 01:33:45,548 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:33:44" (1/1) ... [2022-11-22 01:33:45,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:33:44" (1/1) ... [2022-11-22 01:33:45,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:33:45,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:33:45,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:33:45,672 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:33:45,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:33:44" (1/1) ... [2022-11-22 01:33:45,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:33:45,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:33:45,708 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:33:45,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:33:45,751 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2022-11-22 01:33:45,752 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2022-11-22 01:33:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-22 01:33:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-22 01:33:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 01:33:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-22 01:33:45,752 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-22 01:33:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-22 01:33:45,753 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-22 01:33:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-22 01:33:45,753 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-22 01:33:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2022-11-22 01:33:45,753 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2022-11-22 01:33:45,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 01:33:45,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 01:33:45,754 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2022-11-22 01:33:45,754 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2022-11-22 01:33:45,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-22 01:33:45,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-22 01:33:45,755 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2022-11-22 01:33:45,755 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2022-11-22 01:33:45,755 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-22 01:33:45,755 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-22 01:33:45,756 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2022-11-22 01:33:45,756 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2022-11-22 01:33:45,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-11-22 01:33:45,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-11-22 01:33:45,757 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-22 01:33:45,758 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-22 01:33:45,758 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-22 01:33:45,758 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-22 01:33:45,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 01:33:45,758 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 01:33:45,758 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-22 01:33:45,759 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-22 01:33:45,759 INFO L130 BoogieDeclarations]: Found specification of procedure free_bufs [2022-11-22 01:33:45,759 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bufs [2022-11-22 01:33:45,759 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-22 01:33:45,759 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-22 01:33:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2022-11-22 01:33:45,760 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2022-11-22 01:33:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-11-22 01:33:45,760 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2022-11-22 01:33:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-22 01:33:45,760 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-22 01:33:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-22 01:33:45,761 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-22 01:33:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2022-11-22 01:33:45,761 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2022-11-22 01:33:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:33:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-22 01:33:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2022-11-22 01:33:45,762 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2022-11-22 01:33:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 01:33:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rbufs [2022-11-22 01:33:45,763 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rbufs [2022-11-22 01:33:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2022-11-22 01:33:45,763 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2022-11-22 01:33:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-22 01:33:45,763 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-22 01:33:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-22 01:33:45,764 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-22 01:33:45,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-11-22 01:33:45,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-11-22 01:33:45,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:33:45,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 01:33:45,764 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2022-11-22 01:33:45,764 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2022-11-22 01:33:45,765 INFO L130 BoogieDeclarations]: Found specification of procedure free_rbufs [2022-11-22 01:33:45,765 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rbufs [2022-11-22 01:33:45,765 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-22 01:33:45,765 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-22 01:33:45,766 INFO L130 BoogieDeclarations]: Found specification of procedure async_mode [2022-11-22 01:33:45,766 INFO L138 BoogieDeclarations]: Found implementation of procedure async_mode [2022-11-22 01:33:45,767 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2022-11-22 01:33:45,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2022-11-22 01:33:45,767 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-11-22 01:33:45,768 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-11-22 01:33:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-22 01:33:45,768 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-22 01:33:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-22 01:33:45,769 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-22 01:33:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-22 01:33:45,769 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-22 01:33:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2022-11-22 01:33:45,769 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2022-11-22 01:33:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-22 01:33:45,770 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-22 01:33:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2022-11-22 01:33:45,770 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2022-11-22 01:33:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-22 01:33:45,771 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-22 01:33:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-22 01:33:45,771 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-22 01:33:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure update_tx_timer [2022-11-22 01:33:45,772 INFO L138 BoogieDeclarations]: Found implementation of procedure update_tx_timer [2022-11-22 01:33:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bufs [2022-11-22 01:33:45,772 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bufs [2022-11-22 01:33:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-22 01:33:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-22 01:33:45,773 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-22 01:33:45,773 INFO L130 BoogieDeclarations]: Found specification of procedure msc_set_vcr [2022-11-22 01:33:45,773 INFO L138 BoogieDeclarations]: Found implementation of procedure msc_set_vcr [2022-11-22 01:33:45,773 INFO L130 BoogieDeclarations]: Found specification of procedure isr_txeom [2022-11-22 01:33:45,773 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_txeom [2022-11-22 01:33:45,774 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-22 01:33:45,774 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-22 01:33:45,774 INFO L130 BoogieDeclarations]: Found specification of procedure setup_timer_key [2022-11-22 01:33:45,774 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_timer_key [2022-11-22 01:33:45,775 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-22 01:33:45,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-22 01:33:45,778 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_reset [2022-11-22 01:33:45,778 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_reset [2022-11-22 01:33:45,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 01:33:45,779 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2022-11-22 01:33:45,779 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2022-11-22 01:33:45,780 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2022-11-22 01:33:45,781 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2022-11-22 01:33:45,781 INFO L130 BoogieDeclarations]: Found specification of procedure slgt_cleanup [2022-11-22 01:33:45,781 INFO L138 BoogieDeclarations]: Found implementation of procedure slgt_cleanup [2022-11-22 01:33:45,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:33:45,788 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-22 01:33:45,788 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-22 01:33:45,788 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-22 01:33:45,788 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-22 01:33:45,788 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-11-22 01:33:45,789 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-11-22 01:33:45,789 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2022-11-22 01:33:45,789 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2022-11-22 01:33:45,789 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-22 01:33:45,789 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-22 01:33:45,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-22 01:33:45,789 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-22 01:33:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2022-11-22 01:33:45,790 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2022-11-22 01:33:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-22 01:33:45,790 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-22 01:33:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 01:33:45,790 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 01:33:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load [2022-11-22 01:33:45,790 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load [2022-11-22 01:33:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg32 [2022-11-22 01:33:45,791 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg32 [2022-11-22 01:33:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_done [2022-11-22 01:33:45,791 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_done [2022-11-22 01:33:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-22 01:33:45,791 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-22 01:33:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:33:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-22 01:33:45,792 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-22 01:33:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2022-11-22 01:33:45,792 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2022-11-22 01:33:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg32 [2022-11-22 01:33:45,792 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg32 [2022-11-22 01:33:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure isr_rxdata [2022-11-22 01:33:45,792 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_rxdata [2022-11-22 01:33:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2022-11-22 01:33:45,793 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2022-11-22 01:33:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure tbuf_bytes [2022-11-22 01:33:45,793 INFO L138 BoogieDeclarations]: Found implementation of procedure tbuf_bytes [2022-11-22 01:33:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 01:33:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-11-22 01:33:45,793 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-11-22 01:33:45,794 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-22 01:33:45,794 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-22 01:33:45,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:33:45,794 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2022-11-22 01:33:45,794 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2022-11-22 01:33:45,795 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2022-11-22 01:33:45,795 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2022-11-22 01:33:45,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:33:45,795 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-22 01:33:45,795 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg16 [2022-11-22 01:33:45,795 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg16 [2022-11-22 01:33:45,795 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2022-11-22 01:33:45,796 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2022-11-22 01:33:45,796 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-22 01:33:45,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-22 01:33:45,796 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg16 [2022-11-22 01:33:45,796 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg16 [2022-11-22 01:33:45,796 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-22 01:33:45,796 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-22 01:33:45,796 INFO L130 BoogieDeclarations]: Found specification of procedure sync_mode [2022-11-22 01:33:45,797 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_mode [2022-11-22 01:33:45,797 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2022-11-22 01:33:45,797 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2022-11-22 01:33:45,797 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2022-11-22 01:33:45,797 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2022-11-22 01:33:45,797 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-22 01:33:45,797 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-22 01:33:45,798 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2022-11-22 01:33:45,798 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2022-11-22 01:33:45,798 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-22 01:33:45,798 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-22 01:33:45,798 INFO L130 BoogieDeclarations]: Found specification of procedure free_tmp_rbuf [2022-11-22 01:33:45,798 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tmp_rbuf [2022-11-22 01:33:45,798 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-22 01:33:45,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-22 01:33:45,799 INFO L130 BoogieDeclarations]: Found specification of procedure tdma_reset [2022-11-22 01:33:45,799 INFO L138 BoogieDeclarations]: Found implementation of procedure tdma_reset [2022-11-22 01:33:45,799 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2022-11-22 01:33:45,799 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2022-11-22 01:33:45,799 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-22 01:33:45,799 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-22 01:33:45,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:33:45,800 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2022-11-22 01:33:45,800 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2022-11-22 01:33:45,800 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2022-11-22 01:33:45,800 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2022-11-22 01:33:45,800 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg8 [2022-11-22 01:33:45,800 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg8 [2022-11-22 01:33:45,800 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2022-11-22 01:33:45,800 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2022-11-22 01:33:45,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:33:45,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:33:46,828 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:33:46,832 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:33:47,267 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-22 01:33:47,324 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2022-11-22 01:33:47,324 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2022-11-22 01:33:47,521 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-11-22 01:33:47,521 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-11-22 01:33:48,197 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-22 01:33:48,356 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2022-11-22 01:33:48,356 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2022-11-22 01:33:48,674 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-22 01:33:48,677 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-22 01:33:48,978 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume !false; [2022-11-22 01:33:48,979 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume false; [2022-11-22 01:33:48,979 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##132: assume !false; [2022-11-22 01:33:48,979 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume false; [2022-11-22 01:33:49,191 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-22 01:34:04,751 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##408: assume !false; [2022-11-22 01:34:04,752 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##407: assume false; [2022-11-22 01:34:04,752 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10940: SUMMARY for call modem_input_wait_#t~ret1374#1.base, modem_input_wait_#t~ret1374#1.offset := get_current(); srcloc: null [2022-11-22 01:34:04,752 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10940-1: modem_input_wait_~tmp___8~2#1.base, modem_input_wait_~tmp___8~2#1.offset := modem_input_wait_#t~ret1374#1.base, modem_input_wait_#t~ret1374#1.offset;havoc modem_input_wait_#t~ret1374#1.base, modem_input_wait_#t~ret1374#1.offset;modem_input_wait_~__ptr___3~1#1.base, modem_input_wait_~__ptr___3~1#1.offset := modem_input_wait_~tmp___8~2#1.base, modem_input_wait_~tmp___8~2#1.offset; [2022-11-22 01:34:04,752 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10882: SUMMARY for call modem_input_wait_#t~ret1343#1.base, modem_input_wait_#t~ret1343#1.offset := get_current(); srcloc: null [2022-11-22 01:34:04,752 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10882-1: modem_input_wait_~tmp___1~21#1.base, modem_input_wait_~tmp___1~21#1.offset := modem_input_wait_#t~ret1343#1.base, modem_input_wait_#t~ret1343#1.offset;havoc modem_input_wait_#t~ret1343#1.base, modem_input_wait_#t~ret1343#1.offset;modem_input_wait_~__ptr~3#1.base, modem_input_wait_~__ptr~3#1.offset := modem_input_wait_~tmp___1~21#1.base, modem_input_wait_~tmp___1~21#1.offset; [2022-11-22 01:34:04,752 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##253: assume !false; [2022-11-22 01:34:04,752 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##252: assume false; [2022-11-22 01:34:04,753 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##276: assume false; [2022-11-22 01:34:04,753 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##277: assume !false; [2022-11-22 01:34:04,753 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##289: assume !false; [2022-11-22 01:34:04,753 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##288: assume false; [2022-11-22 01:34:04,753 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##207: assume false; [2022-11-22 01:34:04,753 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##208: assume !false; [2022-11-22 01:34:04,753 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##245: assume !false; [2022-11-22 01:34:04,753 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##244: assume false; [2022-11-22 01:34:04,753 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11037-1: modem_input_wait_~tmp___12~1#1.base, modem_input_wait_~tmp___12~1#1.offset := modem_input_wait_#t~ret1417#1.base, modem_input_wait_#t~ret1417#1.offset;havoc modem_input_wait_#t~ret1417#1.base, modem_input_wait_#t~ret1417#1.offset;modem_input_wait_~__ptr___7~1#1.base, modem_input_wait_~__ptr___7~1#1.offset := modem_input_wait_~tmp___12~1#1.base, modem_input_wait_~tmp___12~1#1.offset; [2022-11-22 01:34:04,754 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11037: SUMMARY for call modem_input_wait_#t~ret1417#1.base, modem_input_wait_#t~ret1417#1.offset := get_current(); srcloc: null [2022-11-22 01:34:04,754 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##316: assume !false; [2022-11-22 01:34:04,754 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##315: assume false; [2022-11-22 01:34:04,754 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10655-1: remove_cond_wait_~tmp~91#1.base, remove_cond_wait_~tmp~91#1.offset := remove_cond_wait_#t~ret1278#1.base, remove_cond_wait_#t~ret1278#1.offset;havoc remove_cond_wait_#t~ret1278#1.base, remove_cond_wait_#t~ret1278#1.offset;remove_cond_wait_~__ptr~2#1.base, remove_cond_wait_~__ptr~2#1.offset := remove_cond_wait_~tmp~91#1.base, remove_cond_wait_~tmp~91#1.offset; [2022-11-22 01:34:04,754 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10655: SUMMARY for call remove_cond_wait_#t~ret1278#1.base, remove_cond_wait_#t~ret1278#1.offset := get_current(); srcloc: null [2022-11-22 01:34:04,754 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10195: SUMMARY for call wait_mgsl_event_#t~ret1214#1.base, wait_mgsl_event_#t~ret1214#1.offset := get_current(); srcloc: null [2022-11-22 01:34:04,754 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10195-1: wait_mgsl_event_~tmp___26~0#1.base, wait_mgsl_event_~tmp___26~0#1.offset := wait_mgsl_event_#t~ret1214#1.base, wait_mgsl_event_#t~ret1214#1.offset;havoc wait_mgsl_event_#t~ret1214#1.base, wait_mgsl_event_#t~ret1214#1.offset;wait_mgsl_event_~__ptr___7~0#1.base, wait_mgsl_event_~__ptr___7~0#1.offset := wait_mgsl_event_~tmp___26~0#1.base, wait_mgsl_event_~tmp___26~0#1.offset; [2022-11-22 01:34:04,754 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10592: SUMMARY for call add_cond_wait_#t~ret1273#1.base, add_cond_wait_#t~ret1273#1.offset := get_current(); srcloc: null [2022-11-22 01:34:04,755 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##82: assume !false; [2022-11-22 01:34:04,755 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##81: assume false; [2022-11-22 01:34:04,755 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10592-1: add_cond_wait_~tmp~90#1.base, add_cond_wait_~tmp~90#1.offset := add_cond_wait_#t~ret1273#1.base, add_cond_wait_#t~ret1273#1.offset;havoc add_cond_wait_#t~ret1273#1.base, add_cond_wait_#t~ret1273#1.offset;add_cond_wait_~__ptr~1#1.base, add_cond_wait_~__ptr~1#1.offset := add_cond_wait_~tmp~90#1.base, add_cond_wait_~tmp~90#1.offset; [2022-11-22 01:34:04,755 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10064: SUMMARY for call wait_mgsl_event_#t~ret1136#1.base, wait_mgsl_event_#t~ret1136#1.offset := get_current(); srcloc: null [2022-11-22 01:34:04,755 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10064-1: wait_mgsl_event_~tmp___13~0#1.base, wait_mgsl_event_~tmp___13~0#1.offset := wait_mgsl_event_#t~ret1136#1.base, wait_mgsl_event_#t~ret1136#1.offset;havoc wait_mgsl_event_#t~ret1136#1.base, wait_mgsl_event_#t~ret1136#1.offset;wait_mgsl_event_~__ptr___3~0#1.base, wait_mgsl_event_~__ptr___3~0#1.offset := wait_mgsl_event_~tmp___13~0#1.base, wait_mgsl_event_~tmp___13~0#1.offset; [2022-11-22 01:34:04,755 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume !false; [2022-11-22 01:34:04,755 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##74: assume false; [2022-11-22 01:34:04,755 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##175: assume !false; [2022-11-22 01:34:04,755 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##174: assume false; [2022-11-22 01:34:04,756 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume !false; [2022-11-22 01:34:04,756 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume false; [2022-11-22 01:34:04,756 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10004: SUMMARY for call wait_mgsl_event_#t~ret1097#1.base, wait_mgsl_event_#t~ret1097#1.offset := get_current(); srcloc: null [2022-11-22 01:34:04,756 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10004-1: wait_mgsl_event_~tmp___6~1#1.base, wait_mgsl_event_~tmp___6~1#1.offset := wait_mgsl_event_#t~ret1097#1.base, wait_mgsl_event_#t~ret1097#1.offset;havoc wait_mgsl_event_#t~ret1097#1.base, wait_mgsl_event_#t~ret1097#1.offset;wait_mgsl_event_~__ptr~0#1.base, wait_mgsl_event_~__ptr~0#1.offset := wait_mgsl_event_~tmp___6~1#1.base, wait_mgsl_event_~tmp___6~1#1.offset; [2022-11-22 01:34:04,756 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##151: assume !false; [2022-11-22 01:34:04,756 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##150: assume false; [2022-11-22 01:34:04,756 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume false; [2022-11-22 01:34:04,756 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume !false; [2022-11-22 01:34:04,756 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##168: assume !false; [2022-11-22 01:34:04,756 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##167: assume false; [2022-11-22 01:34:04,757 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##339: assume !false; [2022-11-22 01:34:04,757 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##338: assume false; [2022-11-22 01:34:04,989 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-22 01:34:04,991 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-22 01:34:05,002 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-22 01:34:05,002 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-22 01:34:05,003 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-22 01:34:15,171 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##289: assume !false;call ULTIMATE.dealloc(hdlcdev_ioctl_~#new_line~0#1.base, hdlcdev_ioctl_~#new_line~0#1.offset);havoc hdlcdev_ioctl_~#new_line~0#1.base, hdlcdev_ioctl_~#new_line~0#1.offset; [2022-11-22 01:34:15,171 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##288: assume false; [2022-11-22 01:34:15,171 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##306: assume false; [2022-11-22 01:34:15,171 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##307: assume !false; [2022-11-22 01:34:15,171 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11392: SUMMARY for call block_til_ready_#t~ret1477#1.base, block_til_ready_#t~ret1477#1.offset := get_current(); srcloc: null [2022-11-22 01:34:15,171 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11392-1: block_til_ready_~tmp___9~2#1.base, block_til_ready_~tmp___9~2#1.offset := block_til_ready_#t~ret1477#1.base, block_til_ready_#t~ret1477#1.offset;havoc block_til_ready_#t~ret1477#1.base, block_til_ready_#t~ret1477#1.offset;block_til_ready_~__ptr___3~2#1.base, block_til_ready_~__ptr___3~2#1.offset := block_til_ready_~tmp___9~2#1.base, block_til_ready_~tmp___9~2#1.offset; [2022-11-22 01:34:15,172 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##328: assume false; [2022-11-22 01:34:15,172 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##329: assume !false; [2022-11-22 01:34:15,172 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##412: assume !false; [2022-11-22 01:34:15,172 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##411: assume false; [2022-11-22 01:34:15,172 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##436: assume !false; [2022-11-22 01:34:15,172 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##435: assume false; [2022-11-22 01:34:15,172 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11302-1: block_til_ready_~tmp___2~14#1.base, block_til_ready_~tmp___2~14#1.offset := block_til_ready_#t~ret1463#1.base, block_til_ready_#t~ret1463#1.offset;havoc block_til_ready_#t~ret1463#1.base, block_til_ready_#t~ret1463#1.offset;block_til_ready_~__ptr~4#1.base, block_til_ready_~__ptr~4#1.offset := block_til_ready_~tmp___2~14#1.base, block_til_ready_~tmp___2~14#1.offset; [2022-11-22 01:34:15,172 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11302: SUMMARY for call block_til_ready_#t~ret1463#1.base, block_til_ready_#t~ret1463#1.offset := get_current(); srcloc: null [2022-11-22 01:34:15,173 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##78: assume !false; [2022-11-22 01:34:15,173 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##77: assume false; [2022-11-22 01:34:15,173 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##133: assume !false; [2022-11-22 01:34:15,173 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##132: assume false; [2022-11-22 01:34:15,454 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:34:19,491 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:34:19,493 INFO L300 CfgBuilder]: Removed 17 assume(true) statements. [2022-11-22 01:34:19,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:34:19 BoogieIcfgContainer [2022-11-22 01:34:19,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:34:19,506 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:34:19,506 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:34:19,509 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:34:19,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:33:40" (1/3) ... [2022-11-22 01:34:19,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b8808e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:34:19, skipping insertion in model container [2022-11-22 01:34:19,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:33:44" (2/3) ... [2022-11-22 01:34:19,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b8808e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:34:19, skipping insertion in model container [2022-11-22 01:34:19,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:34:19" (3/3) ... [2022-11-22 01:34:19,513 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2022-11-22 01:34:19,533 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:34:19,534 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 01:34:19,639 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:34:19,648 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;@3e63a375, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:34:19,648 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 01:34:19,662 INFO L276 IsEmpty]: Start isEmpty. Operand has 1955 states, 1238 states have (on average 1.4030694668820678) internal successors, (1737), 1313 states have internal predecessors, (1737), 627 states have call successors, (627), 98 states have call predecessors, (627), 98 states have return successors, (627), 607 states have call predecessors, (627), 627 states have call successors, (627) [2022-11-22 01:34:19,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-22 01:34:19,670 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:34:19,671 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:34:19,671 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:34:19,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:34:19,679 INFO L85 PathProgramCache]: Analyzing trace with hash 367356859, now seen corresponding path program 1 times [2022-11-22 01:34:19,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:34:19,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465545630] [2022-11-22 01:34:19,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:34:19,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:34:20,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:34:20,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:34:20,363 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:34:20,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465545630] [2022-11-22 01:34:20,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465545630] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:34:20,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:34:20,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:34:20,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635040334] [2022-11-22 01:34:20,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:34:20,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:34:20,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:34:20,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:34:20,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:34:20,408 INFO L87 Difference]: Start difference. First operand has 1955 states, 1238 states have (on average 1.4030694668820678) internal successors, (1737), 1313 states have internal predecessors, (1737), 627 states have call successors, (627), 98 states have call predecessors, (627), 98 states have return successors, (627), 607 states have call predecessors, (627), 627 states have call successors, (627) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2022-11-22 01:34:22,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:34:24,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:34:27,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:34:29,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:34:31,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:34:34,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:34:34,070 INFO L93 Difference]: Finished difference Result 5775 states and 8874 transitions. [2022-11-22 01:34:34,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:34:34,072 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 12 [2022-11-22 01:34:34,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:34:34,128 INFO L225 Difference]: With dead ends: 5775 [2022-11-22 01:34:34,128 INFO L226 Difference]: Without dead ends: 3773 [2022-11-22 01:34:34,148 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 [2022-11-22 01:34:34,154 INFO L413 NwaCegarLoop]: 3803 mSDtfsCounter, 2842 mSDsluCounter, 2577 mSDsCounter, 0 mSdLazyCounter, 890 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2844 SdHoareTripleChecker+Valid, 6380 SdHoareTripleChecker+Invalid, 896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 890 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:34:34,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2844 Valid, 6380 Invalid, 896 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 890 Invalid, 4 Unknown, 0 Unchecked, 13.3s Time] [2022-11-22 01:34:34,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3773 states. [2022-11-22 01:34:34,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3773 to 3768. [2022-11-22 01:34:34,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3768 states, 2374 states have (on average 1.395956192080876) internal successors, (3314), 2535 states have internal predecessors, (3314), 1205 states have call successors, (1205), 189 states have call predecessors, (1205), 188 states have return successors, (1205), 1162 states have call predecessors, (1205), 1203 states have call successors, (1205) [2022-11-22 01:34:34,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3768 states to 3768 states and 5724 transitions. [2022-11-22 01:34:34,527 INFO L78 Accepts]: Start accepts. Automaton has 3768 states and 5724 transitions. Word has length 12 [2022-11-22 01:34:34,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:34:34,529 INFO L495 AbstractCegarLoop]: Abstraction has 3768 states and 5724 transitions. [2022-11-22 01:34:34,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2022-11-22 01:34:34,529 INFO L276 IsEmpty]: Start isEmpty. Operand 3768 states and 5724 transitions. [2022-11-22 01:34:34,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-22 01:34:34,531 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:34:34,531 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:34:34,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:34:34,531 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:34:34,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:34:34,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1241561937, now seen corresponding path program 1 times [2022-11-22 01:34:34,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:34:34,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146910291] [2022-11-22 01:34:34,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:34:34,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:34:34,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:34:35,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:34:35,315 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:34:35,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146910291] [2022-11-22 01:34:35,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146910291] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:34:35,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:34:35,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:34:35,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080272825] [2022-11-22 01:34:35,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:34:35,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:34:35,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:34:35,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:34:35,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:34:35,319 INFO L87 Difference]: Start difference. First operand 3768 states and 5724 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-11-22 01:34:37,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:34:39,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:34:42,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:34:45,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:34:50,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:34:52,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:34:52,096 INFO L93 Difference]: Finished difference Result 5291 states and 8227 transitions. [2022-11-22 01:34:52,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:34:52,097 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 14 [2022-11-22 01:34:52,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:34:52,133 INFO L225 Difference]: With dead ends: 5291 [2022-11-22 01:34:52,133 INFO L226 Difference]: Without dead ends: 5286 [2022-11-22 01:34:52,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:34:52,139 INFO L413 NwaCegarLoop]: 3875 mSDtfsCounter, 1515 mSDsluCounter, 5922 mSDsCounter, 0 mSdLazyCounter, 1269 mSolverCounterSat, 523 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1776 SdHoareTripleChecker+Valid, 9797 SdHoareTripleChecker+Invalid, 1796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 523 IncrementalHoareTripleChecker+Valid, 1269 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:34:52,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1776 Valid, 9797 Invalid, 1796 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [523 Valid, 1269 Invalid, 4 Unknown, 0 Unchecked, 16.4s Time] [2022-11-22 01:34:52,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5286 states. [2022-11-22 01:34:52,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5286 to 3770. [2022-11-22 01:34:52,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3770 states, 2376 states have (on average 1.3956228956228955) internal successors, (3316), 2537 states have internal predecessors, (3316), 1205 states have call successors, (1205), 189 states have call predecessors, (1205), 188 states have return successors, (1205), 1162 states have call predecessors, (1205), 1203 states have call successors, (1205) [2022-11-22 01:34:52,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3770 states to 3770 states and 5726 transitions. [2022-11-22 01:34:52,396 INFO L78 Accepts]: Start accepts. Automaton has 3770 states and 5726 transitions. Word has length 14 [2022-11-22 01:34:52,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:34:52,397 INFO L495 AbstractCegarLoop]: Abstraction has 3770 states and 5726 transitions. [2022-11-22 01:34:52,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-11-22 01:34:52,397 INFO L276 IsEmpty]: Start isEmpty. Operand 3770 states and 5726 transitions. [2022-11-22 01:34:52,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-22 01:34:52,408 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:34:52,408 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] [2022-11-22 01:34:52,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:34:52,409 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:34:52,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:34:52,418 INFO L85 PathProgramCache]: Analyzing trace with hash 786728703, now seen corresponding path program 1 times [2022-11-22 01:34:52,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:34:52,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010928029] [2022-11-22 01:34:52,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:34:52,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:34:52,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:34:52,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:34:52,827 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:34:52,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010928029] [2022-11-22 01:34:52,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010928029] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:34:52,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:34:52,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:34:52,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313449287] [2022-11-22 01:34:52,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:34:52,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:34:52,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:34:52,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:34:52,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:34:52,830 INFO L87 Difference]: Start difference. First operand 3770 states and 5726 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 3 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) [2022-11-22 01:34:54,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:34:56,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:34:59,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:01,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:04,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:35:06,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:35:10,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:13,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:15,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:17,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:26,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:35:26,243 INFO L93 Difference]: Finished difference Result 9533 states and 14490 transitions. [2022-11-22 01:35:26,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:35:26,244 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 3 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 22 [2022-11-22 01:35:26,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:35:26,293 INFO L225 Difference]: With dead ends: 9533 [2022-11-22 01:35:26,293 INFO L226 Difference]: Without dead ends: 7591 [2022-11-22 01:35:26,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:35:26,307 INFO L413 NwaCegarLoop]: 5883 mSDtfsCounter, 5883 mSDsluCounter, 4145 mSDsCounter, 0 mSdLazyCounter, 4084 mSolverCounterSat, 6 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5887 SdHoareTripleChecker+Valid, 10028 SdHoareTripleChecker+Invalid, 4096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 4084 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:35:26,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5887 Valid, 10028 Invalid, 4096 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 4084 Invalid, 6 Unknown, 0 Unchecked, 32.5s Time] [2022-11-22 01:35:26,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7591 states. [2022-11-22 01:35:26,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7591 to 7580. [2022-11-22 01:35:26,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7580 states, 4772 states have (on average 1.395850796311819) internal successors, (6661), 5091 states have internal predecessors, (6661), 2431 states have call successors, (2431), 378 states have call predecessors, (2431), 376 states have return successors, (2436), 2345 states have call predecessors, (2436), 2429 states have call successors, (2436) [2022-11-22 01:35:26,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7580 states to 7580 states and 11528 transitions. [2022-11-22 01:35:26,999 INFO L78 Accepts]: Start accepts. Automaton has 7580 states and 11528 transitions. Word has length 22 [2022-11-22 01:35:27,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:35:27,000 INFO L495 AbstractCegarLoop]: Abstraction has 7580 states and 11528 transitions. [2022-11-22 01:35:27,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 3 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) [2022-11-22 01:35:27,001 INFO L276 IsEmpty]: Start isEmpty. Operand 7580 states and 11528 transitions. [2022-11-22 01:35:27,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-22 01:35:27,005 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:35:27,006 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] [2022-11-22 01:35:27,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:35:27,006 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:35:27,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:35:27,007 INFO L85 PathProgramCache]: Analyzing trace with hash 265814012, now seen corresponding path program 1 times [2022-11-22 01:35:27,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:35:27,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961107891] [2022-11-22 01:35:27,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:35:27,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:35:27,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:35:27,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:35:27,348 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:35:27,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961107891] [2022-11-22 01:35:27,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961107891] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:35:27,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:35:27,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:35:27,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478269434] [2022-11-22 01:35:27,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:35:27,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:35:27,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:35:27,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:35:27,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:35:27,351 INFO L87 Difference]: Start difference. First operand 7580 states and 11528 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-22 01:35:29,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:31,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:33,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:35:36,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:39,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:41,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:35:41,133 INFO L93 Difference]: Finished difference Result 17065 states and 25947 transitions. [2022-11-22 01:35:41,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:35:41,134 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), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2022-11-22 01:35:41,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:35:41,204 INFO L225 Difference]: With dead ends: 17065 [2022-11-22 01:35:41,204 INFO L226 Difference]: Without dead ends: 11313 [2022-11-22 01:35:41,231 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 [2022-11-22 01:35:41,231 INFO L413 NwaCegarLoop]: 3360 mSDtfsCounter, 2844 mSDsluCounter, 2565 mSDsCounter, 0 mSdLazyCounter, 797 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2846 SdHoareTripleChecker+Valid, 5925 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 797 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:35:41,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2846 Valid, 5925 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 797 Invalid, 4 Unknown, 0 Unchecked, 13.0s Time] [2022-11-22 01:35:41,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11313 states. [2022-11-22 01:35:42,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11313 to 11302. [2022-11-22 01:35:42,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11302 states, 7120 states have (on average 1.395505617977528) internal successors, (9936), 7601 states have internal predecessors, (9936), 3614 states have call successors, (3614), 569 states have call predecessors, (3614), 567 states have return successors, (3623), 3486 states have call predecessors, (3623), 3612 states have call successors, (3623) [2022-11-22 01:35:42,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11302 states to 11302 states and 17173 transitions. [2022-11-22 01:35:42,404 INFO L78 Accepts]: Start accepts. Automaton has 11302 states and 17173 transitions. Word has length 25 [2022-11-22 01:35:42,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:35:42,405 INFO L495 AbstractCegarLoop]: Abstraction has 11302 states and 17173 transitions. [2022-11-22 01:35:42,405 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), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-22 01:35:42,405 INFO L276 IsEmpty]: Start isEmpty. Operand 11302 states and 17173 transitions. [2022-11-22 01:35:42,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-22 01:35:42,412 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:35:42,412 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:35:42,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:35:42,413 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:35:42,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:35:42,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1486748086, now seen corresponding path program 1 times [2022-11-22 01:35:42,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:35:42,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383349786] [2022-11-22 01:35:42,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:35:42,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:35:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:35:42,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:35:42,688 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:35:42,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383349786] [2022-11-22 01:35:42,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383349786] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:35:42,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:35:42,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:35:42,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252561968] [2022-11-22 01:35:42,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:35:42,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:35:42,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:35:42,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:35:42,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:35:42,691 INFO L87 Difference]: Start difference. First operand 11302 states and 17173 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-22 01:35:44,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:46,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:48,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:50,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:52,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:35:55,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:59,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:35:59,283 INFO L93 Difference]: Finished difference Result 15249 states and 23139 transitions. [2022-11-22 01:35:59,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:35:59,283 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 38 [2022-11-22 01:35:59,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:35:59,325 INFO L225 Difference]: With dead ends: 15249 [2022-11-22 01:35:59,325 INFO L226 Difference]: Without dead ends: 9488 [2022-11-22 01:35:59,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:35:59,348 INFO L413 NwaCegarLoop]: 2580 mSDtfsCounter, 1 mSDsluCounter, 5157 mSDsCounter, 0 mSdLazyCounter, 1135 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 7737 SdHoareTripleChecker+Invalid, 1139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1135 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:35:59,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 7737 Invalid, 1139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1135 Invalid, 4 Unknown, 0 Unchecked, 16.1s Time] [2022-11-22 01:35:59,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9488 states. [2022-11-22 01:35:59,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9488 to 9488. [2022-11-22 01:36:00,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9488 states, 5974 states have (on average 1.3948778038165384) internal successors, (8333), 6377 states have internal predecessors, (8333), 3036 states have call successors, (3036), 479 states have call predecessors, (3036), 477 states have return successors, (3043), 2929 states have call predecessors, (3043), 3034 states have call successors, (3043) [2022-11-22 01:36:00,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9488 states to 9488 states and 14412 transitions. [2022-11-22 01:36:00,042 INFO L78 Accepts]: Start accepts. Automaton has 9488 states and 14412 transitions. Word has length 38 [2022-11-22 01:36:00,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:36:00,043 INFO L495 AbstractCegarLoop]: Abstraction has 9488 states and 14412 transitions. [2022-11-22 01:36:00,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-22 01:36:00,043 INFO L276 IsEmpty]: Start isEmpty. Operand 9488 states and 14412 transitions. [2022-11-22 01:36:00,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-22 01:36:00,051 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:36:00,052 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:36:00,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 01:36:00,052 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:36:00,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:36:00,053 INFO L85 PathProgramCache]: Analyzing trace with hash -785308683, now seen corresponding path program 1 times [2022-11-22 01:36:00,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:36:00,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957438938] [2022-11-22 01:36:00,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:36:00,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:36:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:36:01,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:36:01,361 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:36:01,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957438938] [2022-11-22 01:36:01,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957438938] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:36:01,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:36:01,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:36:01,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436099692] [2022-11-22 01:36:01,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:36:01,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:36:01,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:36:01,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:36:01,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:36:01,363 INFO L87 Difference]: Start difference. First operand 9488 states and 14412 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-22 01:36:03,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:36:05,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:36:07,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:36:11,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:36:17,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:36:17,741 INFO L93 Difference]: Finished difference Result 21117 states and 32376 transitions. [2022-11-22 01:36:17,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:36:17,742 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 44 [2022-11-22 01:36:17,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:36:17,810 INFO L225 Difference]: With dead ends: 21117 [2022-11-22 01:36:17,810 INFO L226 Difference]: Without dead ends: 15269 [2022-11-22 01:36:17,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:36:17,837 INFO L413 NwaCegarLoop]: 3624 mSDtfsCounter, 3571 mSDsluCounter, 4638 mSDsCounter, 0 mSdLazyCounter, 1968 mSolverCounterSat, 7 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3831 SdHoareTripleChecker+Valid, 8262 SdHoareTripleChecker+Invalid, 1979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1968 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:36:17,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3831 Valid, 8262 Invalid, 1979 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1968 Invalid, 4 Unknown, 0 Unchecked, 15.4s Time] [2022-11-22 01:36:17,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15269 states. [2022-11-22 01:36:18,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15269 to 13126. [2022-11-22 01:36:18,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13126 states, 8272 states have (on average 1.3956721470019342) internal successors, (11545), 8829 states have internal predecessors, (11545), 4194 states have call successors, (4194), 661 states have call predecessors, (4194), 659 states have return successors, (4205), 4047 states have call predecessors, (4205), 4192 states have call successors, (4205) [2022-11-22 01:36:18,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13126 states to 13126 states and 19944 transitions. [2022-11-22 01:36:18,917 INFO L78 Accepts]: Start accepts. Automaton has 13126 states and 19944 transitions. Word has length 44 [2022-11-22 01:36:18,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:36:18,917 INFO L495 AbstractCegarLoop]: Abstraction has 13126 states and 19944 transitions. [2022-11-22 01:36:18,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-22 01:36:18,918 INFO L276 IsEmpty]: Start isEmpty. Operand 13126 states and 19944 transitions. [2022-11-22 01:36:18,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-22 01:36:18,923 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:36:18,923 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:36:18,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 01:36:18,924 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:36:18,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:36:18,924 INFO L85 PathProgramCache]: Analyzing trace with hash -670375126, now seen corresponding path program 1 times [2022-11-22 01:36:18,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:36:18,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794632926] [2022-11-22 01:36:18,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:36:18,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:36:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:36:19,304 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 01:36:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:36:19,679 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-22 01:36:19,679 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 01:36:19,680 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-22 01:36:19,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 01:36:19,685 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:36:19,690 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 01:36:19,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:36:19 BoogieIcfgContainer [2022-11-22 01:36:19,838 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 01:36:19,838 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 01:36:19,838 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 01:36:19,839 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 01:36:19,839 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:34:19" (3/4) ... [2022-11-22 01:36:19,844 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-22 01:36:19,845 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 01:36:19,845 INFO L158 Benchmark]: Toolchain (without parser) took 159033.66ms. Allocated memory was 140.5MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 85.4MB in the beginning and 914.0MB in the end (delta: -828.6MB). Peak memory consumption was 394.5MB. Max. memory is 16.1GB. [2022-11-22 01:36:19,846 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 140.5MB. Free memory is still 109.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:36:19,846 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3899.96ms. Allocated memory was 140.5MB in the beginning and 291.5MB in the end (delta: 151.0MB). Free memory was 84.9MB in the beginning and 192.3MB in the end (delta: -107.4MB). Peak memory consumption was 128.5MB. Max. memory is 16.1GB. [2022-11-22 01:36:19,846 INFO L158 Benchmark]: Boogie Procedure Inliner took 371.52ms. Allocated memory is still 291.5MB. Free memory was 192.3MB in the beginning and 141.0MB in the end (delta: 51.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2022-11-22 01:36:19,847 INFO L158 Benchmark]: Boogie Preprocessor took 584.18ms. Allocated memory is still 291.5MB. Free memory was 141.0MB in the beginning and 171.5MB in the end (delta: -30.5MB). Peak memory consumption was 86.4MB. Max. memory is 16.1GB. [2022-11-22 01:36:19,848 INFO L158 Benchmark]: RCFGBuilder took 33830.17ms. Allocated memory was 291.5MB in the beginning and 1.1GB in the end (delta: 790.6MB). Free memory was 171.5MB in the beginning and 706.3MB in the end (delta: -534.8MB). Peak memory consumption was 574.0MB. Max. memory is 16.1GB. [2022-11-22 01:36:19,848 INFO L158 Benchmark]: TraceAbstraction took 120332.22ms. Allocated memory was 1.1GB in the beginning and 1.4GB in the end (delta: 281.0MB). Free memory was 705.3MB in the beginning and 914.0MB in the end (delta: -208.7MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2022-11-22 01:36:19,849 INFO L158 Benchmark]: Witness Printer took 6.45ms. Allocated memory is still 1.4GB. Free memory is still 914.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:36:19,850 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 140.5MB. Free memory is still 109.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3899.96ms. Allocated memory was 140.5MB in the beginning and 291.5MB in the end (delta: 151.0MB). Free memory was 84.9MB in the beginning and 192.3MB in the end (delta: -107.4MB). Peak memory consumption was 128.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 371.52ms. Allocated memory is still 291.5MB. Free memory was 192.3MB in the beginning and 141.0MB in the end (delta: 51.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 584.18ms. Allocated memory is still 291.5MB. Free memory was 141.0MB in the beginning and 171.5MB in the end (delta: -30.5MB). Peak memory consumption was 86.4MB. Max. memory is 16.1GB. * RCFGBuilder took 33830.17ms. Allocated memory was 291.5MB in the beginning and 1.1GB in the end (delta: 790.6MB). Free memory was 171.5MB in the beginning and 706.3MB in the end (delta: -534.8MB). Peak memory consumption was 574.0MB. Max. memory is 16.1GB. * TraceAbstraction took 120332.22ms. Allocated memory was 1.1GB in the beginning and 1.4GB in the end (delta: 281.0MB). Free memory was 705.3MB in the beginning and 914.0MB in the end (delta: -208.7MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. * Witness Printer took 6.45ms. Allocated memory is still 1.4GB. Free memory is still 914.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 - UnprovableResult [Line: 14623]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 12224. Possible FailurePath: [L5747] static char *driver_name = (char *)"SyncLink GT"; [L5748] static char *tty_driver_name = (char *)"synclink_gt"; [L5749] static char *tty_dev_prefix = (char *)"ttySLG"; [L5750-L5754] static struct pci_device_id pci_table[5U] = { {5056U, 112U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {5056U, 160U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {5056U, 128U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {5056U, 144U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {0U, 0U, 0U, 0U, 0U, 0U, 0UL}}; [L5755] struct pci_device_id const __mod_pci_device_table ; [L5758-L5773] static struct pci_driver pci_driver = {{(struct list_head *)0, (struct list_head *)0}, "synclink_gt", (struct pci_device_id const *)(& pci_table), & init_one, & remove_one, (int (*)(struct pci_dev * , pm_message_t ))0, (int (*)(struct pci_dev * , pm_message_t ))0, (int (*)(struct pci_dev * ))0, (int (*)(struct pci_dev * ))0, (void (*)(struct pci_dev * ))0, (struct pci_error_handlers *)0, {(char const *)0, (struct bus_type *)0, (struct module *)0, (char const *)0, (_Bool)0, (struct of_device_id const *)0, (int (*)(struct device * ))0, (int (*)(struct device * ))0, (void (*)(struct device * ))0, (int (*)(struct device * , pm_message_t ))0, (int (*)(struct device * ))0, (struct attribute_group const **)0, (struct dev_pm_ops const *)0, (struct driver_private *)0}, {{{{{0U}, 0U, 0U, (void *)0, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, (char const *)0, 0, 0UL}}}}, {(struct list_head *)0, (struct list_head *)0}}}; [L5774] static bool pci_registered ; [L5775] static struct slgt_info *slgt_device_list ; [L5776] static int slgt_device_count ; [L5777] static int ttymajor ; [L5778] static int debug_level ; [L5779] static int maxframe[32U] ; [L5780] static struct tty_driver *serial_driver ; [L5807-L5810] static MGSL_PARAMS default_params = {2UL, (unsigned char)0, (unsigned short)1, (unsigned char)3, 0UL, (unsigned char)255, (unsigned short)1, (unsigned char)0, (unsigned char)0, 9600UL, (unsigned char)8, (unsigned char)1, (unsigned char)0}; [L7413-L7440] static struct file_operations const synclink_gt_proc_fops = {& __this_module, & seq_lseek, & seq_read, (ssize_t (*)(struct file * , char const * , size_t , loff_t * ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (int (*)(struct file * , void * , int (*)(void * , char const * , int , loff_t , u64 , unsigned int ) ))0, (unsigned int (*)(struct file * , struct poll_table_struct * ))0, (long (*)(struct file * , unsigned int , unsigned long ))0, (long (*)(struct file * , unsigned int , unsigned long ))0, (int (*)(struct file * , struct vm_area_struct * ))0, & synclink_gt_proc_open, (int (*)(struct file * , fl_owner_t ))0, & single_release, (int (*)(struct file * , int ))0, (int (*)(struct kiocb * , int ))0, (int (*)(int , struct file * , int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct file * , struct page * , int , size_t , loff_t * , int ))0, (unsigned long (*)(struct file * , unsigned long , unsigned long , unsigned long , unsigned long ))0, (int (*)(int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct pipe_inode_info * , struct file * , loff_t * , size_t , unsigned int ))0, (ssize_t (*)(struct file * , loff_t * , struct pipe_inode_info * , size_t , unsigned int ))0, (int (*)(struct file * , long , struct file_lock ** ))0, (long (*)(struct file * , int , loff_t , loff_t ))0}; [L8109-L8142] static struct net_device_ops const hdlcdev_ops = {(int (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, & hdlcdev_open, & hdlcdev_close, & hdlc_start_xmit, (u16 (*)(struct net_device * , struct sk_buff * ))0, (void (*)(struct net_device * , int ))0, (void (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , void * ))0, (int (*)(struct net_device * ))0, & hdlcdev_ioctl, (int (*)(struct net_device * , struct ifmap * ))0, & hdlc_change_mtu, (int (*)(struct net_device * , struct neigh_parms * ))0, & hdlcdev_tx_timeout, (struct rtnl_link_stats64 *(*)(struct net_device * , struct rtnl_link_stats64 * ))0, (struct net_device_stats *(*)(struct net_device * ))0, (void (*)(struct net_device * , struct vlan_group * ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , struct netpoll_info * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , int , u8 * ))0, (int (*)(struct net_device * , int , u16 , u8 ))0, (int (*)(struct net_device * , int , int ))0, (int (*)(struct net_device * , int , struct ifla_vf_info * ))0, (int (*)(struct net_device * , int , struct nlattr ** ))0, (int (*)(struct net_device * , int , struct sk_buff * ))0, (int (*)(struct net_device * , u8 ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u16 ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u64 * , int ))0, (int (*)(struct net_device * , struct sk_buff const * , u16 , u32 ))0, (int (*)(struct net_device * , struct net_device * ))0, (int (*)(struct net_device * , struct net_device * ))0, (u32 (*)(struct net_device * , u32 ))0, (int (*)(struct net_device * , u32 ))0}; [L11815-L11816] static struct tty_port_operations const slgt_port_ops = {& carrier_raised, & dtr_rts, (void (*)(struct tty_port * ))0, (void (*)(struct tty_port * ))0, (int (*)(struct tty_port * , struct tty_struct * ))0, (void (*)(struct tty_port * ))0}; [L12074-L12087] static struct tty_operations const ops = {(struct tty_struct *(*)(struct tty_driver * , struct inode * , int ))0, (int (*)(struct tty_driver * , struct tty_struct * ))0, (void (*)(struct tty_driver * , struct tty_struct * ))0, & open, & close, (void (*)(struct tty_struct * ))0, (void (*)(struct tty_struct * ))0, & write, & put_char, & flush_chars, & write_room, & chars_in_buffer, & ioctl, & slgt_compat_ioctl, & set_termios, & throttle, & unthrottle, & tx_hold, & tx_release, & hangup, & set_break, & flush_buffer, (void (*)(struct tty_struct * ))0, & wait_until_sent, & send_xchar, & tiocmget, & tiocmset, (int (*)(struct tty_struct * , struct winsize * ))0, (int (*)(struct tty_struct * , struct termiox * ))0, & get_icount, (int (*)(struct tty_driver * , int , char * ))0, (int (*)(struct tty_driver * , int ))0, (void (*)(struct tty_driver * , int , char ))0, & synclink_gt_proc_fops}; [L14221] int LDV_IN_INTERRUPT ; [L14627] int ldv_module_refcounter = 1; [L14223] struct pci_dev *var_group1 ; [L14224] struct pci_device_id const *var_init_one_102_p1 ; [L14225] int res_init_one_102 ; [L14226] struct inode *var_group2 ; [L14227] struct file *var_group3 ; [L14228] int res_synclink_gt_proc_open_26 ; [L14229] struct net_device *var_group4 ; [L14230] int res_hdlcdev_open_33 ; [L14231] int res_hdlcdev_close_34 ; [L14232] struct ifreq *var_group5 ; [L14233] int var_hdlcdev_ioctl_35_p2 ; [L14234] struct tty_port *var_group6 ; [L14235] int var_dtr_rts_87_p1 ; [L14236] struct tty_struct *var_group7 ; [L14237] int res_open_5 ; [L14238] unsigned char const *var_write_10_p1 ; [L14239] int var_write_10_p2 ; [L14240] unsigned char var_put_char_11_p1 ; [L14241] unsigned int var_ioctl_19_p1 ; [L14242] unsigned long var_ioctl_19_p2 ; [L14243] unsigned int var_slgt_compat_ioctl_23_p1 ; [L14244] unsigned long var_slgt_compat_ioctl_23_p2 ; [L14245] char var_send_xchar_12_p1 ; [L14246] int var_set_break_30_p1 ; [L14247] int var_wait_until_sent_13_p1 ; [L14248] struct ktermios *var_group8 ; [L14249] unsigned int var_tiocmset_85_p1 ; [L14250] unsigned int var_tiocmset_85_p2 ; [L14251] struct serial_icounter_struct *var_group9 ; [L14252] int var_slgt_interrupt_56_p0 ; [L14253] void *var_slgt_interrupt_56_p1 ; [L14254] int ldv_s_pci_driver_pci_driver ; [L14255] int ldv_s_synclink_gt_proc_fops_file_operations ; [L14256] int ldv_s_hdlcdev_ops_net_device_ops ; [L14257] int ldv_s_ops_tty_operations ; [L14258] int tmp ; [L14259] int tmp___0 ; [L14260] int tmp___1 ; [L14263] ldv_s_pci_driver_pci_driver = 0 [L14264] ldv_s_synclink_gt_proc_fops_file_operations = 0 [L14265] ldv_s_hdlcdev_ops_net_device_ops = 0 [L14266] ldv_s_ops_tty_operations = 0 [L14267] LDV_IN_INTERRUPT = 1 [L14268] FCALL ldv_initialize() [L14269] CALL, EXPR slgt_init() [L12178] int rc ; [L12182] CALL, EXPR alloc_tty_driver(32) [L14781] CALL, EXPR ldv_malloc(sizeof(struct tty_driver)) VAL [\old(size)=281, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={198:-197}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=0, pci_table={190:0}, serial_driver={0:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, ttymajor=0] [L14728] COND FALSE !(__VERIFIER_nondet_bool()) [L14729] return malloc(size); [L14781] RET, EXPR ldv_malloc(sizeof(struct tty_driver)) VAL [\old(arg0)=32, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={198:-197}, arg0=32, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct tty_driver))={-18446744073709551617:0}, ldv_module_refcounter=1, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=0, pci_table={190:0}, serial_driver={0:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, ttymajor=0] [L14781] return ldv_malloc(sizeof(struct tty_driver)); [L12182] RET, EXPR alloc_tty_driver(32) [L12182] serial_driver = alloc_tty_driver(32) [L12184] COND FALSE !((unsigned long )serial_driver == (unsigned long )((struct tty_driver *)0)) [L12192] serial_driver->owner = & __this_module [L12193] serial_driver->driver_name = (char const *)tty_driver_name [L12194] serial_driver->name = (char const *)tty_dev_prefix [L12195] serial_driver->major = ttymajor [L12196] serial_driver->minor_start = 64 [L12197] serial_driver->type = (short)3 [L12198] serial_driver->subtype = (short)1 [L12199] serial_driver->init_termios = tty_std_termios [L12200] serial_driver->init_termios.c_cflag = 3261U [L12201] serial_driver->init_termios.c_ispeed = 9600U [L12202] serial_driver->init_termios.c_ospeed = 9600U [L12203] serial_driver->flags = 12 [L12204] FCALL tty_set_operations(serial_driver, & ops) [L12205] CALL, EXPR tty_register_driver(serial_driver) [L14995] return __VERIFIER_nondet_int(); [L12205] RET, EXPR tty_register_driver(serial_driver) [L12205] rc = tty_register_driver(serial_driver) [L12207] COND FALSE !(rc < 0) [L12222] serial_driver->major [L12223] slgt_device_count = 0 [L12224] CALL, EXPR __pci_register_driver(& pci_driver, & __this_module, "synclink_gt") [L14739] return __VERIFIER_nondet_int(); [L12224] RET, EXPR __pci_register_driver(& pci_driver, & __this_module, "synclink_gt") [L12224] rc = __pci_register_driver(& pci_driver, & __this_module, "synclink_gt") [L12226] COND FALSE !(rc < 0) [L12233] pci_registered = (bool )1 [L12234] COND TRUE (unsigned long )slgt_device_list == (unsigned long )((struct slgt_info *)0) [L12240] return (0); VAL [\result=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={198:-197}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, printk("%s no devices found\n", driver_name)=4294967305, rc=0, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967371:-42}, ttymajor=0] [L14269] RET, EXPR slgt_init() [L14269] tmp = slgt_init() [L14271] COND FALSE !(tmp != 0) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={198:-197}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tmp=0, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967371:-42}, ttymajor=0] [L14589] tmp___1 = __VERIFIER_nondet_int() [L14591] COND TRUE tmp___1 != 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={198:-197}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tmp=0, tmp___1=-3, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967371:-42}, ttymajor=0] [L14278] tmp___0 = __VERIFIER_nondet_int() [L14280] COND FALSE !(tmp___0 == 0) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={198:-197}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tmp=0, tmp___0=2, tmp___1=-3, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967371:-42}, ttymajor=0] [L14283] COND FALSE !(tmp___0 == 1) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={198:-197}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tmp=0, tmp___0=2, tmp___1=-3, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967371:-42}, ttymajor=0] [L14286] COND TRUE tmp___0 == 2 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={198:-197}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tmp=0, tmp___0=2, tmp___1=-3, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967371:-42}, ttymajor=0] [L14404] COND TRUE ldv_s_hdlcdev_ops_net_device_ops == 0 [L14406] CALL, EXPR hdlcdev_open(var_group4) [L7718] struct slgt_info *info ; [L7719] struct hdlc_device *tmp ; [L7720] int rc ; [L7721] unsigned long flags ; [L7722] int tmp___0 ; [L7723] raw_spinlock_t *tmp___1 ; [L7724] raw_spinlock_t *tmp___2 ; [L7725] raw_spinlock_t *tmp___3 ; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={198:-197}, debug_level=0, default_params={193:0}, dev={4294967382:-2672}, dev={4294967382:-2672}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967371:-42}, ttymajor=0] [L7728] CALL, EXPR dev_to_hdlc(dev) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={198:-197}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967371:-42}, ttymajor=0] [L5713] void *tmp ; [L5716] CALL, EXPR netdev_priv((struct net_device const *)dev) [L5583] return ((void *)dev + 2560U); [L5716] RET, EXPR netdev_priv((struct net_device const *)dev) [L5716] tmp = netdev_priv((struct net_device const *)dev) [L5718] return ((struct hdlc_device *)tmp); [L7728] RET, EXPR dev_to_hdlc(dev) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={198:-197}, debug_level=0, default_params={193:0}, dev={4294967382:-2672}, dev={4294967382:-2672}, dev_to_hdlc(dev)={4294967382:-112}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967371:-42}, ttymajor=0] [L7728] tmp = dev_to_hdlc(dev) [L7729] EXPR tmp->priv [L7729] info = (struct slgt_info *)tmp->priv [L7730] CALL, EXPR ldv_try_module_get_1(& __this_module) [L14701] int tmp ; [L14704] CALL, EXPR ldv_try_module_get(module) [L14639] int module_get_succeeded ; [L14641] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) [L14643] CALL, EXPR ldv_undefined_int() [L14851] return __VERIFIER_nondet_int(); [L14643] RET, EXPR ldv_undefined_int() [L14643] module_get_succeeded = ldv_undefined_int() [L14645] COND TRUE module_get_succeeded == 1 [L14646] ldv_module_refcounter = ldv_module_refcounter + 1 [L14647] return (1); [L14704] RET, EXPR ldv_try_module_get(module) [L14704] tmp = ldv_try_module_get(module) [L14706] return (tmp); [L7730] RET, EXPR ldv_try_module_get_1(& __this_module) [L7730] tmp___0 = ldv_try_module_get_1(& __this_module) [L7732] COND FALSE !(tmp___0 == 0) [L7736] COND FALSE !(debug_level > 2) [L7743] CALL, EXPR hdlc_open(dev) [L14825] return __VERIFIER_nondet_int(); [L7743] RET, EXPR hdlc_open(dev) [L7743] rc = hdlc_open(dev) [L7745] COND TRUE rc != 0 [L7746] return (rc); VAL [\result=-5, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={198:-197}, debug_level=0, default_params={193:0}, dev={4294967382:-2672}, dev={4294967382:-2672}, driver_name={8:0}, hdlcdev_ops={195:0}, info={4294967336:4294967323}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, printk("%s hdlcdev_open\n", (char *)(& dev->name))=4294967324, rc=-5, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tmp={4294967382:-112}, tmp___0=1, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967371:-42}, ttymajor=0] [L14406] RET, EXPR hdlcdev_open(var_group4) [L14406] res_hdlcdev_open_33 = hdlcdev_open(var_group4) [L14407] FCALL ldv_check_return_value(res_hdlcdev_open_33) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={198:-197}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, res_hdlcdev_open_33=-5, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tmp=0, tmp___0=2, tmp___1=-3, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967371:-42}, ttymajor=0, var_group4={4294967382:-2672}] [L14409] COND TRUE res_hdlcdev_open_33 < 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={198:-197}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, res_hdlcdev_open_33=-5, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tmp=0, tmp___0=2, tmp___1=-3, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967371:-42}, ttymajor=0, var_group4={4294967382:-2672}] [L14611] CALL slgt_exit() [L12252] CALL slgt_cleanup() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={198:-197}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967371:-42}, ttymajor=0] [L12089] int rc ; [L12090] struct slgt_info *info ; [L12091] struct slgt_info *tmp ; [L12096] COND TRUE (unsigned long )serial_driver != (unsigned long )((struct tty_driver *)0) [L12097] info = slgt_device_list VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={198:-197}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967371:-42}, ttymajor=0] [L12105] COND FALSE !((unsigned long )info != (unsigned long )((struct slgt_info *)0)) [L12112] CALL, EXPR tty_unregister_driver(serial_driver) [L15008] return __VERIFIER_nondet_int(); [L12112] RET, EXPR tty_unregister_driver(serial_driver) [L12112] rc = tty_unregister_driver(serial_driver) [L12114] COND TRUE rc != 0 [L12115] COND FALSE !(debug_level > 1) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={198:-197}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, printk("tty_unregister_driver error=%d\n", rc)=4294967372, rc=-27, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967371:-42}, ttymajor=0] [L12124] FCALL put_tty_driver(serial_driver) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={198:-197}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, printk("tty_unregister_driver error=%d\n", rc)=4294967372, rc=-27, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967371:-42}, ttymajor=0] [L12128] info = slgt_device_list VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={198:-197}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, printk("tty_unregister_driver error=%d\n", rc)=4294967372, rc=-27, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967371:-42}, ttymajor=0] [L12136] COND FALSE !((unsigned long )info != (unsigned long )((struct slgt_info *)0)) [L12142] info = slgt_device_list VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={198:-197}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, printk("tty_unregister_driver error=%d\n", rc)=4294967372, rc=-27, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967371:-42}, ttymajor=0] [L12162] COND FALSE !((unsigned long )info != (unsigned long )((struct slgt_info *)0)) [L12168] COND TRUE (int )pci_registered [L12170] FCALL pci_unregister_driver(& pci_driver) [L12252] RET slgt_cleanup() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={198:-197}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967371:-42}, ttymajor=0] [L14611] RET slgt_exit() [L14615] CALL ldv_check_final_state() [L14691] COND TRUE ldv_module_refcounter != 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={198:-197}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967371:-42}, ttymajor=0] [L14693] CALL ldv_blast_assert() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={198:-197}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967371:-42}, ttymajor=0] [L14623] reach_error() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={198:-197}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={4294967371:-42}, ttymajor=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 99 procedures, 1955 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 120.1s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 111.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 26 mSolverCounterUnknown, 17185 SdHoareTripleChecker+Valid, 106.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16656 mSDsluCounter, 48129 SdHoareTripleChecker+Invalid, 103.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 25004 mSDsCounter, 539 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10143 IncrementalHoareTripleChecker+Invalid, 10708 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 539 mSolverCounterUnsat, 23125 mSDtfsCounter, 10143 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13126occurred in iteration=6, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 3686 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 200 NumberOfCodeBlocks, 200 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 149 ConstructedInterpolants, 0 QuantifiedInterpolants, 331 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-22 01:36:20,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba --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 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc --- 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-b5237d8 [2022-11-22 01:36:22,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:36:22,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:36:22,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:36:22,372 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:36:22,376 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:36:22,381 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:36:22,385 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:36:22,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:36:22,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:36:22,395 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:36:22,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:36:22,397 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:36:22,399 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:36:22,402 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:36:22,404 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:36:22,406 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:36:22,407 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:36:22,409 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:36:22,415 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:36:22,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:36:22,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:36:22,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:36:22,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:36:22,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:36:22,435 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:36:22,436 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:36:22,437 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:36:22,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:36:22,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:36:22,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:36:22,441 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:36:22,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:36:22,444 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:36:22,452 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:36:22,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:36:22,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:36:22,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:36:22,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:36:22,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:36:22,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:36:22,460 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-22 01:36:22,497 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:36:22,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:36:22,499 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:36:22,499 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:36:22,500 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:36:22,500 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:36:22,501 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:36:22,501 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:36:22,501 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:36:22,501 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:36:22,502 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:36:22,503 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:36:22,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:36:22,504 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:36:22,504 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:36:22,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:36:22,505 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:36:22,505 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 01:36:22,505 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-22 01:36:22,505 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-22 01:36:22,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:36:22,506 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:36:22,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:36:22,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:36:22,507 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-22 01:36:22,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:36:22,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:36:22,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:36:22,508 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:36:22,508 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:36:22,508 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-22 01:36:22,508 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-22 01:36:22,509 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:36:22,509 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:36:22,509 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-22 01:36:22,510 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc [2022-11-22 01:36:22,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:36:22,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:36:22,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:36:22,934 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:36:22,934 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:36:22,936 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2022-11-22 01:36:25,957 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:36:26,700 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:36:26,701 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2022-11-22 01:36:26,764 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/data/68a40f249/3a941c244a704d6187037b6d2e51c1e7/FLAGe7ed3cae3 [2022-11-22 01:36:26,785 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/data/68a40f249/3a941c244a704d6187037b6d2e51c1e7 [2022-11-22 01:36:26,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:36:26,792 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:36:26,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:36:26,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:36:26,799 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:36:26,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:36:26" (1/1) ... [2022-11-22 01:36:26,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@595da52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:36:26, skipping insertion in model container [2022-11-22 01:36:26,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:36:26" (1/1) ... [2022-11-22 01:36:26,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:36:27,134 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:36:30,040 WARN L237 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_6646d650-d6ce-4656-968c-3c4073f996e5/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2022-11-22 01:36:30,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:36:30,175 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-22 01:36:30,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:36:30,853 WARN L237 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_6646d650-d6ce-4656-968c-3c4073f996e5/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2022-11-22 01:36:30,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:36:30,923 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:36:31,554 WARN L237 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_6646d650-d6ce-4656-968c-3c4073f996e5/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2022-11-22 01:36:31,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:36:31,829 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:36:31,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:36:31 WrapperNode [2022-11-22 01:36:31,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:36:31,831 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:36:31,831 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:36:31,831 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:36:31,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:36:31" (1/1) ... [2022-11-22 01:36:31,951 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:36:31" (1/1) ... [2022-11-22 01:36:32,280 INFO L138 Inliner]: procedures = 358, calls = 3539, calls flagged for inlining = 191, calls inlined = 172, statements flattened = 8187 [2022-11-22 01:36:32,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:36:32,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:36:32,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:36:32,282 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:36:32,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:36:31" (1/1) ... [2022-11-22 01:36:32,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:36:31" (1/1) ... [2022-11-22 01:36:32,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:36:31" (1/1) ... [2022-11-22 01:36:32,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:36:31" (1/1) ... [2022-11-22 01:36:32,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:36:31" (1/1) ... [2022-11-22 01:36:32,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:36:31" (1/1) ... [2022-11-22 01:36:32,554 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:36:31" (1/1) ... [2022-11-22 01:36:32,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:36:31" (1/1) ... [2022-11-22 01:36:32,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:36:32,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:36:32,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:36:32,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:36:32,612 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:36:31" (1/1) ... [2022-11-22 01:36:32,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:36:32,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:36:32,641 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:36:32,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:36:32,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-22 01:36:32,693 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2022-11-22 01:36:32,694 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2022-11-22 01:36:32,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-22 01:36:32,694 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-22 01:36:32,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-22 01:36:32,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-22 01:36:32,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-22 01:36:32,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 01:36:32,695 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-22 01:36:32,695 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-22 01:36:32,695 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-22 01:36:32,695 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-22 01:36:32,696 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-22 01:36:32,696 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-22 01:36:32,696 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2022-11-22 01:36:32,696 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2022-11-22 01:36:32,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 01:36:32,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 01:36:32,697 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2022-11-22 01:36:32,697 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2022-11-22 01:36:32,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-22 01:36:32,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-22 01:36:32,698 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2022-11-22 01:36:32,698 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2022-11-22 01:36:32,699 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-22 01:36:32,699 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-22 01:36:32,699 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2022-11-22 01:36:32,700 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2022-11-22 01:36:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-11-22 01:36:32,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-11-22 01:36:32,701 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-22 01:36:32,701 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-22 01:36:32,701 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-22 01:36:32,702 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-22 01:36:32,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 01:36:32,702 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 01:36:32,702 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-22 01:36:32,702 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-22 01:36:32,703 INFO L130 BoogieDeclarations]: Found specification of procedure free_bufs [2022-11-22 01:36:32,703 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bufs [2022-11-22 01:36:32,703 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-22 01:36:32,703 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-22 01:36:32,703 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2022-11-22 01:36:32,703 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2022-11-22 01:36:32,703 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-11-22 01:36:32,704 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2022-11-22 01:36:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-22 01:36:32,705 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-22 01:36:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-22 01:36:32,705 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-22 01:36:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2022-11-22 01:36:32,706 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2022-11-22 01:36:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:36:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-22 01:36:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2022-11-22 01:36:32,707 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2022-11-22 01:36:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 01:36:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rbufs [2022-11-22 01:36:32,707 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rbufs [2022-11-22 01:36:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2022-11-22 01:36:32,708 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2022-11-22 01:36:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-22 01:36:32,708 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-22 01:36:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-22 01:36:32,708 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-22 01:36:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-22 01:36:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-22 01:36:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-22 01:36:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-11-22 01:36:32,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-11-22 01:36:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:36:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-22 01:36:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 01:36:32,711 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2022-11-22 01:36:32,711 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2022-11-22 01:36:32,711 INFO L130 BoogieDeclarations]: Found specification of procedure free_rbufs [2022-11-22 01:36:32,711 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rbufs [2022-11-22 01:36:32,711 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-22 01:36:32,712 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-22 01:36:32,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-22 01:36:32,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-22 01:36:32,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-22 01:36:32,713 INFO L130 BoogieDeclarations]: Found specification of procedure async_mode [2022-11-22 01:36:32,713 INFO L138 BoogieDeclarations]: Found implementation of procedure async_mode [2022-11-22 01:36:32,713 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2022-11-22 01:36:32,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2022-11-22 01:36:32,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-22 01:36:32,713 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-11-22 01:36:32,713 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-11-22 01:36:32,714 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-22 01:36:32,714 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-22 01:36:32,714 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-22 01:36:32,714 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-22 01:36:32,714 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-22 01:36:32,714 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-22 01:36:32,715 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2022-11-22 01:36:32,715 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2022-11-22 01:36:32,715 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-22 01:36:32,715 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-22 01:36:32,716 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2022-11-22 01:36:32,716 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2022-11-22 01:36:32,716 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-22 01:36:32,716 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-22 01:36:32,716 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-22 01:36:32,716 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-22 01:36:32,716 INFO L130 BoogieDeclarations]: Found specification of procedure update_tx_timer [2022-11-22 01:36:32,717 INFO L138 BoogieDeclarations]: Found implementation of procedure update_tx_timer [2022-11-22 01:36:32,717 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bufs [2022-11-22 01:36:32,718 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bufs [2022-11-22 01:36:32,721 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-22 01:36:32,721 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-22 01:36:32,721 INFO L130 BoogieDeclarations]: Found specification of procedure msc_set_vcr [2022-11-22 01:36:32,722 INFO L138 BoogieDeclarations]: Found implementation of procedure msc_set_vcr [2022-11-22 01:36:32,722 INFO L130 BoogieDeclarations]: Found specification of procedure isr_txeom [2022-11-22 01:36:32,722 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_txeom [2022-11-22 01:36:32,723 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-22 01:36:32,723 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-22 01:36:32,724 INFO L130 BoogieDeclarations]: Found specification of procedure setup_timer_key [2022-11-22 01:36:32,729 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_timer_key [2022-11-22 01:36:32,729 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-22 01:36:32,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-22 01:36:32,729 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_reset [2022-11-22 01:36:32,730 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_reset [2022-11-22 01:36:32,730 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2022-11-22 01:36:32,730 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2022-11-22 01:36:32,730 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2022-11-22 01:36:32,731 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2022-11-22 01:36:32,731 INFO L130 BoogieDeclarations]: Found specification of procedure slgt_cleanup [2022-11-22 01:36:32,732 INFO L138 BoogieDeclarations]: Found implementation of procedure slgt_cleanup [2022-11-22 01:36:32,732 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-22 01:36:32,732 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-22 01:36:32,732 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-22 01:36:32,732 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-22 01:36:32,732 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-11-22 01:36:32,733 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-11-22 01:36:32,733 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2022-11-22 01:36:32,733 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2022-11-22 01:36:32,733 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-22 01:36:32,733 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-22 01:36:32,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-22 01:36:32,734 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-22 01:36:32,734 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2022-11-22 01:36:32,734 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2022-11-22 01:36:32,734 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-22 01:36:32,734 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-22 01:36:32,734 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 01:36:32,734 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 01:36:32,735 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load [2022-11-22 01:36:32,735 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load [2022-11-22 01:36:32,735 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg32 [2022-11-22 01:36:32,735 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg32 [2022-11-22 01:36:32,735 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_done [2022-11-22 01:36:32,736 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_done [2022-11-22 01:36:32,736 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-22 01:36:32,737 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-22 01:36:32,737 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-22 01:36:32,737 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-22 01:36:32,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-22 01:36:32,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-22 01:36:32,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-22 01:36:32,738 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2022-11-22 01:36:32,738 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2022-11-22 01:36:32,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-22 01:36:32,738 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg32 [2022-11-22 01:36:32,739 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg32 [2022-11-22 01:36:32,739 INFO L130 BoogieDeclarations]: Found specification of procedure isr_rxdata [2022-11-22 01:36:32,739 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_rxdata [2022-11-22 01:36:32,739 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2022-11-22 01:36:32,739 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2022-11-22 01:36:32,739 INFO L130 BoogieDeclarations]: Found specification of procedure tbuf_bytes [2022-11-22 01:36:32,740 INFO L138 BoogieDeclarations]: Found implementation of procedure tbuf_bytes [2022-11-22 01:36:32,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 01:36:32,740 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-11-22 01:36:32,740 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-11-22 01:36:32,740 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-22 01:36:32,740 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-22 01:36:32,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:36:32,741 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2022-11-22 01:36:32,741 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2022-11-22 01:36:32,741 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2022-11-22 01:36:32,742 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2022-11-22 01:36:32,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:36:32,743 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-22 01:36:32,743 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg16 [2022-11-22 01:36:32,744 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg16 [2022-11-22 01:36:32,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-22 01:36:32,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-22 01:36:32,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-22 01:36:32,744 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2022-11-22 01:36:32,744 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2022-11-22 01:36:32,744 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-22 01:36:32,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-22 01:36:32,745 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg16 [2022-11-22 01:36:32,745 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg16 [2022-11-22 01:36:32,745 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-22 01:36:32,745 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-22 01:36:32,745 INFO L130 BoogieDeclarations]: Found specification of procedure sync_mode [2022-11-22 01:36:32,745 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_mode [2022-11-22 01:36:32,745 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2022-11-22 01:36:32,746 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2022-11-22 01:36:32,746 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2022-11-22 01:36:32,746 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2022-11-22 01:36:32,746 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-22 01:36:32,746 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-22 01:36:32,746 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2022-11-22 01:36:32,746 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2022-11-22 01:36:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-22 01:36:32,747 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-22 01:36:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure free_tmp_rbuf [2022-11-22 01:36:32,747 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tmp_rbuf [2022-11-22 01:36:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-22 01:36:32,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-22 01:36:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure tdma_reset [2022-11-22 01:36:32,747 INFO L138 BoogieDeclarations]: Found implementation of procedure tdma_reset [2022-11-22 01:36:32,748 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2022-11-22 01:36:32,748 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2022-11-22 01:36:32,748 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-22 01:36:32,748 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-22 01:36:32,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-22 01:36:32,748 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2022-11-22 01:36:32,748 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2022-11-22 01:36:32,749 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2022-11-22 01:36:32,749 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2022-11-22 01:36:32,749 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg8 [2022-11-22 01:36:32,749 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg8 [2022-11-22 01:36:32,749 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2022-11-22 01:36:32,749 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2022-11-22 01:36:32,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:36:32,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:36:33,925 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:36:33,928 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:36:34,486 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-22 01:36:34,586 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2022-11-22 01:36:34,586 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2022-11-22 01:36:36,867 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-11-22 01:36:36,867 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-11-22 01:36:43,744 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-22 01:36:44,649 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2022-11-22 01:36:44,649 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2022-11-22 01:36:45,907 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-22 01:36:45,910 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-22 01:36:46,623 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume !false; [2022-11-22 01:36:46,623 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume false; [2022-11-22 01:36:46,623 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##132: assume !false; [2022-11-22 01:36:46,623 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume false; [2022-11-22 01:36:47,862 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-22 01:37:10,862 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10940: SUMMARY for call modem_input_wait_#t~ret1364#1.base, modem_input_wait_#t~ret1364#1.offset := get_current(); srcloc: null [2022-11-22 01:37:10,863 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10940-1: modem_input_wait_~tmp___8~2#1.base, modem_input_wait_~tmp___8~2#1.offset := modem_input_wait_#t~ret1364#1.base, modem_input_wait_#t~ret1364#1.offset;havoc modem_input_wait_#t~ret1364#1.base, modem_input_wait_#t~ret1364#1.offset;modem_input_wait_~__ptr___3~1#1.base, modem_input_wait_~__ptr___3~1#1.offset := modem_input_wait_~tmp___8~2#1.base, modem_input_wait_~tmp___8~2#1.offset; [2022-11-22 01:37:10,863 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10882: SUMMARY for call modem_input_wait_#t~ret1333#1.base, modem_input_wait_#t~ret1333#1.offset := get_current(); srcloc: null [2022-11-22 01:37:10,863 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10882-1: modem_input_wait_~tmp___1~21#1.base, modem_input_wait_~tmp___1~21#1.offset := modem_input_wait_#t~ret1333#1.base, modem_input_wait_#t~ret1333#1.offset;havoc modem_input_wait_#t~ret1333#1.base, modem_input_wait_#t~ret1333#1.offset;modem_input_wait_~__ptr~3#1.base, modem_input_wait_~__ptr~3#1.offset := modem_input_wait_~tmp___1~21#1.base, modem_input_wait_~tmp___1~21#1.offset; [2022-11-22 01:37:10,863 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##265: assume !false; [2022-11-22 01:37:10,864 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##264: assume false; [2022-11-22 01:37:10,864 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##276: assume false; [2022-11-22 01:37:10,864 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##277: assume !false; [2022-11-22 01:37:10,864 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##232: assume false; [2022-11-22 01:37:10,864 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##233: assume !false; [2022-11-22 01:37:10,865 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##241: assume !false; [2022-11-22 01:37:10,865 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##240: assume false; [2022-11-22 01:37:10,865 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11037-1: modem_input_wait_~tmp___12~1#1.base, modem_input_wait_~tmp___12~1#1.offset := modem_input_wait_#t~ret1407#1.base, modem_input_wait_#t~ret1407#1.offset;havoc modem_input_wait_#t~ret1407#1.base, modem_input_wait_#t~ret1407#1.offset;modem_input_wait_~__ptr___7~1#1.base, modem_input_wait_~__ptr___7~1#1.offset := modem_input_wait_~tmp___12~1#1.base, modem_input_wait_~tmp___12~1#1.offset; [2022-11-22 01:37:10,865 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11037: SUMMARY for call modem_input_wait_#t~ret1407#1.base, modem_input_wait_#t~ret1407#1.offset := get_current(); srcloc: null [2022-11-22 01:37:10,865 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##304: assume !false; [2022-11-22 01:37:10,865 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##303: assume false; [2022-11-22 01:37:10,866 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10655-1: remove_cond_wait_~tmp~91#1.base, remove_cond_wait_~tmp~91#1.offset := remove_cond_wait_#t~ret1268#1.base, remove_cond_wait_#t~ret1268#1.offset;havoc remove_cond_wait_#t~ret1268#1.base, remove_cond_wait_#t~ret1268#1.offset;remove_cond_wait_~__ptr~2#1.base, remove_cond_wait_~__ptr~2#1.offset := remove_cond_wait_~tmp~91#1.base, remove_cond_wait_~tmp~91#1.offset; [2022-11-22 01:37:10,866 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10655: SUMMARY for call remove_cond_wait_#t~ret1268#1.base, remove_cond_wait_#t~ret1268#1.offset := get_current(); srcloc: null [2022-11-22 01:37:10,866 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10195: SUMMARY for call wait_mgsl_event_#t~ret1204#1.base, wait_mgsl_event_#t~ret1204#1.offset := get_current(); srcloc: null [2022-11-22 01:37:10,866 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10195-1: wait_mgsl_event_~tmp___26~0#1.base, wait_mgsl_event_~tmp___26~0#1.offset := wait_mgsl_event_#t~ret1204#1.base, wait_mgsl_event_#t~ret1204#1.offset;havoc wait_mgsl_event_#t~ret1204#1.base, wait_mgsl_event_#t~ret1204#1.offset;wait_mgsl_event_~__ptr___7~0#1.base, wait_mgsl_event_~__ptr___7~0#1.offset := wait_mgsl_event_~tmp___26~0#1.base, wait_mgsl_event_~tmp___26~0#1.offset; [2022-11-22 01:37:10,867 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10592: SUMMARY for call add_cond_wait_#t~ret1263#1.base, add_cond_wait_#t~ret1263#1.offset := get_current(); srcloc: null [2022-11-22 01:37:10,867 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10592-1: add_cond_wait_~tmp~90#1.base, add_cond_wait_~tmp~90#1.offset := add_cond_wait_#t~ret1263#1.base, add_cond_wait_#t~ret1263#1.offset;havoc add_cond_wait_#t~ret1263#1.base, add_cond_wait_#t~ret1263#1.offset;add_cond_wait_~__ptr~1#1.base, add_cond_wait_~__ptr~1#1.offset := add_cond_wait_~tmp~90#1.base, add_cond_wait_~tmp~90#1.offset; [2022-11-22 01:37:10,867 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10064: SUMMARY for call wait_mgsl_event_#t~ret1129#1.base, wait_mgsl_event_#t~ret1129#1.offset := get_current(); srcloc: null [2022-11-22 01:37:10,867 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10064-1: wait_mgsl_event_~tmp___13~0#1.base, wait_mgsl_event_~tmp___13~0#1.offset := wait_mgsl_event_#t~ret1129#1.base, wait_mgsl_event_#t~ret1129#1.offset;havoc wait_mgsl_event_#t~ret1129#1.base, wait_mgsl_event_#t~ret1129#1.offset;wait_mgsl_event_~__ptr___3~0#1.base, wait_mgsl_event_~__ptr___3~0#1.offset := wait_mgsl_event_~tmp___13~0#1.base, wait_mgsl_event_~tmp___13~0#1.offset; [2022-11-22 01:37:10,867 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##76: assume !false; [2022-11-22 01:37:10,868 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume false; [2022-11-22 01:37:10,868 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##69: assume !false; [2022-11-22 01:37:10,868 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##68: assume false; [2022-11-22 01:37:10,868 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##195: assume false; [2022-11-22 01:37:10,868 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##196: assume !false; [2022-11-22 01:37:10,868 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume !false; [2022-11-22 01:37:10,869 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume false; [2022-11-22 01:37:10,869 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##139: assume !false; [2022-11-22 01:37:10,869 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##138: assume false; [2022-11-22 01:37:10,869 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10004: SUMMARY for call wait_mgsl_event_#t~ret1090#1.base, wait_mgsl_event_#t~ret1090#1.offset := get_current(); srcloc: null [2022-11-22 01:37:10,869 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10004-1: wait_mgsl_event_~tmp___6~1#1.base, wait_mgsl_event_~tmp___6~1#1.offset := wait_mgsl_event_#t~ret1090#1.base, wait_mgsl_event_#t~ret1090#1.offset;havoc wait_mgsl_event_#t~ret1090#1.base, wait_mgsl_event_#t~ret1090#1.offset;wait_mgsl_event_~__ptr~0#1.base, wait_mgsl_event_~__ptr~0#1.offset := wait_mgsl_event_~tmp___6~1#1.base, wait_mgsl_event_~tmp___6~1#1.offset; [2022-11-22 01:37:10,870 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##389: assume false; [2022-11-22 01:37:10,870 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##151: assume !false; [2022-11-22 01:37:10,870 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##150: assume false; [2022-11-22 01:37:10,870 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##390: assume !false; [2022-11-22 01:37:10,870 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##155: assume false; [2022-11-22 01:37:10,870 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##156: assume !false; [2022-11-22 01:37:10,871 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume false; [2022-11-22 01:37:10,871 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume !false; [2022-11-22 01:37:10,871 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##327: assume !false; [2022-11-22 01:37:10,871 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##326: assume false; [2022-11-22 01:37:12,675 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-22 01:37:12,677 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-22 01:37:12,686 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-22 01:37:12,686 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-22 01:37:12,687 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-22 01:37:58,200 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##289: assume !false;call ULTIMATE.dealloc(hdlcdev_ioctl_~#new_line~0#1.base, hdlcdev_ioctl_~#new_line~0#1.offset);havoc hdlcdev_ioctl_~#new_line~0#1.base, hdlcdev_ioctl_~#new_line~0#1.offset; [2022-11-22 01:37:58,200 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##288: assume false; [2022-11-22 01:37:58,200 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume !false; [2022-11-22 01:37:58,200 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##300: assume false; [2022-11-22 01:37:58,200 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##323: assume !false; [2022-11-22 01:37:58,200 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##322: assume false; [2022-11-22 01:37:58,201 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11392: SUMMARY for call block_til_ready_#t~ret1467#1.base, block_til_ready_#t~ret1467#1.offset := get_current(); srcloc: null [2022-11-22 01:37:58,201 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11392-1: block_til_ready_~tmp___9~2#1.base, block_til_ready_~tmp___9~2#1.offset := block_til_ready_#t~ret1467#1.base, block_til_ready_#t~ret1467#1.offset;havoc block_til_ready_#t~ret1467#1.base, block_til_ready_#t~ret1467#1.offset;block_til_ready_~__ptr___3~2#1.base, block_til_ready_~__ptr___3~2#1.offset := block_til_ready_~tmp___9~2#1.base, block_til_ready_~tmp___9~2#1.offset; [2022-11-22 01:37:58,201 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##399: assume false; [2022-11-22 01:37:58,201 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##423: assume false; [2022-11-22 01:37:58,201 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##424: assume !false; [2022-11-22 01:37:58,201 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##400: assume !false; [2022-11-22 01:37:58,201 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11302-1: block_til_ready_~tmp___2~14#1.base, block_til_ready_~tmp___2~14#1.offset := block_til_ready_#t~ret1453#1.base, block_til_ready_#t~ret1453#1.offset;havoc block_til_ready_#t~ret1453#1.base, block_til_ready_#t~ret1453#1.offset;block_til_ready_~__ptr~4#1.base, block_til_ready_~__ptr~4#1.offset := block_til_ready_~tmp___2~14#1.base, block_til_ready_~tmp___2~14#1.offset; [2022-11-22 01:37:58,201 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11302: SUMMARY for call block_til_ready_#t~ret1453#1.base, block_til_ready_#t~ret1453#1.offset := get_current(); srcloc: null [2022-11-22 01:37:58,201 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##78: assume !false; [2022-11-22 01:37:58,202 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##77: assume false; [2022-11-22 01:37:58,202 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##133: assume !false; [2022-11-22 01:37:58,202 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##132: assume false; [2022-11-22 01:37:59,262 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:37:59,285 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:37:59,285 INFO L300 CfgBuilder]: Removed 17 assume(true) statements. [2022-11-22 01:37:59,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:37:59 BoogieIcfgContainer [2022-11-22 01:37:59,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:37:59,292 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:37:59,292 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:37:59,295 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:37:59,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:36:26" (1/3) ... [2022-11-22 01:37:59,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@131a4749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:37:59, skipping insertion in model container [2022-11-22 01:37:59,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:36:31" (2/3) ... [2022-11-22 01:37:59,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@131a4749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:37:59, skipping insertion in model container [2022-11-22 01:37:59,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:37:59" (3/3) ... [2022-11-22 01:37:59,298 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2022-11-22 01:37:59,317 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:37:59,317 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 01:37:59,414 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:37:59,420 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;@5d068cb1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:37:59,421 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 01:37:59,433 INFO L276 IsEmpty]: Start isEmpty. Operand has 2733 states, 2016 states have (on average 1.4037698412698412) internal successors, (2830), 2091 states have internal predecessors, (2830), 627 states have call successors, (627), 98 states have call predecessors, (627), 98 states have return successors, (627), 607 states have call predecessors, (627), 627 states have call successors, (627) [2022-11-22 01:37:59,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-22 01:37:59,442 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:37:59,442 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:37:59,443 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:37:59,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:37:59,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1683062230, now seen corresponding path program 1 times [2022-11-22 01:37:59,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:37:59,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1539917628] [2022-11-22 01:37:59,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:37:59,466 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 01:37:59,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:37:59,474 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 01:37:59,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-22 01:38:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:38:00,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 1144 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 01:38:00,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:38:01,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:38:01,214 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:38:01,214 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:38:01,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1539917628] [2022-11-22 01:38:01,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1539917628] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:38:01,215 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:38:01,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:38:01,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245095230] [2022-11-22 01:38:01,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:38:01,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:38:01,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:38:01,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:38:01,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:38:01,255 INFO L87 Difference]: Start difference. First operand has 2733 states, 2016 states have (on average 1.4037698412698412) internal successors, (2830), 2091 states have internal predecessors, (2830), 627 states have call successors, (627), 98 states have call predecessors, (627), 98 states have return successors, (627), 607 states have call predecessors, (627), 627 states have call successors, (627) Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 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) [2022-11-22 01:38:01,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:38:01,768 INFO L93 Difference]: Finished difference Result 8125 states and 12244 transitions. [2022-11-22 01:38:01,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:38:01,770 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), 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 17 [2022-11-22 01:38:01,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:38:01,815 INFO L225 Difference]: With dead ends: 8125 [2022-11-22 01:38:01,815 INFO L226 Difference]: Without dead ends: 5402 [2022-11-22 01:38:01,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:38:01,838 INFO L413 NwaCegarLoop]: 5821 mSDtfsCounter, 4020 mSDsluCounter, 4000 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4020 SdHoareTripleChecker+Valid, 9821 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:38:01,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4020 Valid, 9821 Invalid, 10 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:38:01,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5402 states. [2022-11-22 01:38:02,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5402 to 5399. [2022-11-22 01:38:02,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5399 states, 3956 states have (on average 1.3963599595551062) internal successors, (5524), 4121 states have internal predecessors, (5524), 1248 states have call successors, (1248), 195 states have call predecessors, (1248), 194 states have return successors, (1246), 1206 states have call predecessors, (1246), 1246 states have call successors, (1246) [2022-11-22 01:38:02,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5399 states to 5399 states and 8018 transitions. [2022-11-22 01:38:02,252 INFO L78 Accepts]: Start accepts. Automaton has 5399 states and 8018 transitions. Word has length 17 [2022-11-22 01:38:02,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:38:02,259 INFO L495 AbstractCegarLoop]: Abstraction has 5399 states and 8018 transitions. [2022-11-22 01:38:02,259 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), 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) [2022-11-22 01:38:02,259 INFO L276 IsEmpty]: Start isEmpty. Operand 5399 states and 8018 transitions. [2022-11-22 01:38:02,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-22 01:38:02,275 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:38:02,275 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:38:02,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-22 01:38:02,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 01:38:02,491 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:38:02,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:38:02,491 INFO L85 PathProgramCache]: Analyzing trace with hash -724110025, now seen corresponding path program 1 times [2022-11-22 01:38:02,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:38:02,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1869363813] [2022-11-22 01:38:02,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:38:02,494 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 01:38:02,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:38:02,515 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 01:38:02,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-22 01:38:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:38:03,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 1226 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 01:38:03,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:38:04,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:38:04,156 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:38:04,156 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:38:04,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1869363813] [2022-11-22 01:38:04,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1869363813] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:38:04,157 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:38:04,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:38:04,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216425658] [2022-11-22 01:38:04,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:38:04,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:38:04,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:38:04,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:38:04,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:38:04,160 INFO L87 Difference]: Start difference. First operand 5399 states and 8018 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-22 01:38:04,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:38:04,622 INFO L93 Difference]: Finished difference Result 10703 states and 15909 transitions. [2022-11-22 01:38:04,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:38:04,623 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2022-11-22 01:38:04,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:38:04,661 INFO L225 Difference]: With dead ends: 10703 [2022-11-22 01:38:04,662 INFO L226 Difference]: Without dead ends: 5399 [2022-11-22 01:38:04,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:38:04,687 INFO L413 NwaCegarLoop]: 4031 mSDtfsCounter, 1 mSDsluCounter, 8056 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 12087 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:38:04,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 12087 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:38:04,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5399 states. [2022-11-22 01:38:04,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5399 to 5399. [2022-11-22 01:38:04,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5399 states, 3956 states have (on average 1.3961071789686552) internal successors, (5523), 4121 states have internal predecessors, (5523), 1248 states have call successors, (1248), 195 states have call predecessors, (1248), 194 states have return successors, (1246), 1206 states have call predecessors, (1246), 1246 states have call successors, (1246) [2022-11-22 01:38:04,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5399 states to 5399 states and 8017 transitions. [2022-11-22 01:38:04,950 INFO L78 Accepts]: Start accepts. Automaton has 5399 states and 8017 transitions. Word has length 54 [2022-11-22 01:38:04,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:38:04,951 INFO L495 AbstractCegarLoop]: Abstraction has 5399 states and 8017 transitions. [2022-11-22 01:38:04,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-22 01:38:04,951 INFO L276 IsEmpty]: Start isEmpty. Operand 5399 states and 8017 transitions. [2022-11-22 01:38:04,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-22 01:38:04,956 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:38:04,956 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:38:04,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-22 01:38:05,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 01:38:05,179 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:38:05,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:38:05,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1735445289, now seen corresponding path program 1 times [2022-11-22 01:38:05,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:38:05,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [428311327] [2022-11-22 01:38:05,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:38:05,183 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 01:38:05,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:38:05,185 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 01:38:05,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-22 01:38:07,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:38:07,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 2198 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-22 01:38:07,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:38:07,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:38:07,934 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:38:07,934 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:38:07,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [428311327] [2022-11-22 01:38:07,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [428311327] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:38:07,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:38:07,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 01:38:07,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637461440] [2022-11-22 01:38:07,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:38:07,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:38:07,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:38:07,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:38:07,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:38:07,937 INFO L87 Difference]: Start difference. First operand 5399 states and 8017 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-22 01:38:10,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:38:12,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:38:12,123 INFO L93 Difference]: Finished difference Result 16162 states and 24022 transitions. [2022-11-22 01:38:12,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-22 01:38:12,131 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 61 [2022-11-22 01:38:12,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:38:12,205 INFO L225 Difference]: With dead ends: 16162 [2022-11-22 01:38:12,205 INFO L226 Difference]: Without dead ends: 10767 [2022-11-22 01:38:12,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-22 01:38:12,237 INFO L413 NwaCegarLoop]: 7724 mSDtfsCounter, 4001 mSDsluCounter, 27173 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4007 SdHoareTripleChecker+Valid, 34897 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-22 01:38:12,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4007 Valid, 34897 Invalid, 41 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-11-22 01:38:12,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10767 states. [2022-11-22 01:38:13,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10767 to 10753. [2022-11-22 01:38:13,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10753 states, 7875 states have (on average 1.3964444444444444) internal successors, (10997), 8204 states have internal predecessors, (10997), 2490 states have call successors, (2490), 387 states have call predecessors, (2490), 387 states have return successors, (2493), 2407 states have call predecessors, (2493), 2488 states have call successors, (2493) [2022-11-22 01:38:13,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10753 states to 10753 states and 15980 transitions. [2022-11-22 01:38:13,149 INFO L78 Accepts]: Start accepts. Automaton has 10753 states and 15980 transitions. Word has length 61 [2022-11-22 01:38:13,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:38:13,149 INFO L495 AbstractCegarLoop]: Abstraction has 10753 states and 15980 transitions. [2022-11-22 01:38:13,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-22 01:38:13,150 INFO L276 IsEmpty]: Start isEmpty. Operand 10753 states and 15980 transitions. [2022-11-22 01:38:13,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-22 01:38:13,155 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:38:13,156 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:38:13,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-22 01:38:13,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 01:38:13,378 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:38:13,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:38:13,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1755782664, now seen corresponding path program 1 times [2022-11-22 01:38:13,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:38:13,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [37585442] [2022-11-22 01:38:13,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:38:13,382 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 01:38:13,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:38:13,384 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 01:38:13,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-22 01:38:15,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:38:15,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 2204 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 01:38:15,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:38:15,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:38:15,944 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:38:15,944 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:38:15,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [37585442] [2022-11-22 01:38:15,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [37585442] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:38:15,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:38:15,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:38:15,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253754874] [2022-11-22 01:38:15,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:38:15,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:38:15,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:38:15,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:38:15,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:38:15,946 INFO L87 Difference]: Start difference. First operand 10753 states and 15980 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-22 01:38:18,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:38:18,428 INFO L93 Difference]: Finished difference Result 18231 states and 27325 transitions. [2022-11-22 01:38:18,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:38:18,430 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 61 [2022-11-22 01:38:18,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:38:18,530 INFO L225 Difference]: With dead ends: 18231 [2022-11-22 01:38:18,530 INFO L226 Difference]: Without dead ends: 12861 [2022-11-22 01:38:18,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-22 01:38:18,561 INFO L413 NwaCegarLoop]: 5539 mSDtfsCounter, 3407 mSDsluCounter, 12800 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 812 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3407 SdHoareTripleChecker+Valid, 18339 SdHoareTripleChecker+Invalid, 830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 812 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:38:18,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3407 Valid, 18339 Invalid, 830 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [812 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-22 01:38:18,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12861 states. [2022-11-22 01:38:19,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12861 to 10759. [2022-11-22 01:38:19,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10759 states, 7881 states have (on average 1.3961426214947341) internal successors, (11003), 8210 states have internal predecessors, (11003), 2490 states have call successors, (2490), 387 states have call predecessors, (2490), 387 states have return successors, (2493), 2407 states have call predecessors, (2493), 2488 states have call successors, (2493) [2022-11-22 01:38:19,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10759 states to 10759 states and 15986 transitions. [2022-11-22 01:38:19,364 INFO L78 Accepts]: Start accepts. Automaton has 10759 states and 15986 transitions. Word has length 61 [2022-11-22 01:38:19,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:38:19,366 INFO L495 AbstractCegarLoop]: Abstraction has 10759 states and 15986 transitions. [2022-11-22 01:38:19,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-22 01:38:19,367 INFO L276 IsEmpty]: Start isEmpty. Operand 10759 states and 15986 transitions. [2022-11-22 01:38:19,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-22 01:38:19,374 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:38:19,374 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:38:19,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-22 01:38:19,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 01:38:19,598 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:38:19,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:38:19,599 INFO L85 PathProgramCache]: Analyzing trace with hash -205695727, now seen corresponding path program 1 times [2022-11-22 01:38:19,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:38:19,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [206053694] [2022-11-22 01:38:19,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:38:19,603 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 01:38:19,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:38:19,610 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 01:38:19,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-22 01:38:21,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:38:21,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 2211 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 01:38:21,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:38:22,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:38:22,657 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:38:22,658 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:38:22,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [206053694] [2022-11-22 01:38:22,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [206053694] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:38:22,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:38:22,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:38:22,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838867209] [2022-11-22 01:38:22,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:38:22,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:38:22,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:38:22,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:38:22,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:38:22,660 INFO L87 Difference]: Start difference. First operand 10759 states and 15986 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-22 01:38:24,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:38:24,426 INFO L93 Difference]: Finished difference Result 21413 states and 31947 transitions. [2022-11-22 01:38:24,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:38:24,426 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 65 [2022-11-22 01:38:24,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:38:24,478 INFO L225 Difference]: With dead ends: 21413 [2022-11-22 01:38:24,479 INFO L226 Difference]: Without dead ends: 10679 [2022-11-22 01:38:24,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:38:24,527 INFO L413 NwaCegarLoop]: 3829 mSDtfsCounter, 3877 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3877 SdHoareTripleChecker+Valid, 3829 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:38:24,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3877 Valid, 3829 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-22 01:38:24,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10679 states. [2022-11-22 01:38:25,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10679 to 10679. [2022-11-22 01:38:25,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10679 states, 7813 states have (on average 1.352105465250224) internal successors, (10564), 8138 states have internal predecessors, (10564), 2482 states have call successors, (2482), 383 states have call predecessors, (2482), 383 states have return successors, (2485), 2399 states have call predecessors, (2485), 2480 states have call successors, (2485) [2022-11-22 01:38:25,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10679 states to 10679 states and 15531 transitions. [2022-11-22 01:38:25,363 INFO L78 Accepts]: Start accepts. Automaton has 10679 states and 15531 transitions. Word has length 65 [2022-11-22 01:38:25,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:38:25,363 INFO L495 AbstractCegarLoop]: Abstraction has 10679 states and 15531 transitions. [2022-11-22 01:38:25,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-22 01:38:25,364 INFO L276 IsEmpty]: Start isEmpty. Operand 10679 states and 15531 transitions. [2022-11-22 01:38:25,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-22 01:38:25,370 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:38:25,370 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:38:25,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-22 01:38:25,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 01:38:25,594 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:38:25,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:38:25,595 INFO L85 PathProgramCache]: Analyzing trace with hash -143656113, now seen corresponding path program 1 times [2022-11-22 01:38:25,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:38:25,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [85026901] [2022-11-22 01:38:25,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:38:25,598 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 01:38:25,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:38:25,599 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 01:38:25,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-22 01:38:27,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:38:27,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 2211 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 01:38:27,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:38:28,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:38:28,915 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:38:28,915 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:38:28,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [85026901] [2022-11-22 01:38:28,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [85026901] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:38:28,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:38:28,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:38:28,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264522805] [2022-11-22 01:38:28,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:38:28,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:38:28,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:38:28,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:38:28,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:38:28,918 INFO L87 Difference]: Start difference. First operand 10679 states and 15531 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-22 01:38:30,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:38:30,005 INFO L93 Difference]: Finished difference Result 16018 states and 23291 transitions. [2022-11-22 01:38:30,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:38:30,008 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 65 [2022-11-22 01:38:30,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:38:30,054 INFO L225 Difference]: With dead ends: 16018 [2022-11-22 01:38:30,054 INFO L226 Difference]: Without dead ends: 10687 [2022-11-22 01:38:30,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:38:30,075 INFO L413 NwaCegarLoop]: 4905 mSDtfsCounter, 3865 mSDsluCounter, 3883 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3865 SdHoareTripleChecker+Valid, 8788 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:38:30,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3865 Valid, 8788 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-22 01:38:30,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10687 states. [2022-11-22 01:38:30,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10687 to 10679. [2022-11-22 01:38:30,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10679 states, 7813 states have (on average 1.3518494816331754) internal successors, (10562), 8136 states have internal predecessors, (10562), 2482 states have call successors, (2482), 383 states have call predecessors, (2482), 383 states have return successors, (2485), 2399 states have call predecessors, (2485), 2480 states have call successors, (2485) [2022-11-22 01:38:31,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10679 states to 10679 states and 15529 transitions. [2022-11-22 01:38:31,043 INFO L78 Accepts]: Start accepts. Automaton has 10679 states and 15529 transitions. Word has length 65 [2022-11-22 01:38:31,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:38:31,045 INFO L495 AbstractCegarLoop]: Abstraction has 10679 states and 15529 transitions. [2022-11-22 01:38:31,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-22 01:38:31,046 INFO L276 IsEmpty]: Start isEmpty. Operand 10679 states and 15529 transitions. [2022-11-22 01:38:31,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-22 01:38:31,054 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:38:31,055 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:38:31,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-22 01:38:31,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 01:38:31,278 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:38:31,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:38:31,279 INFO L85 PathProgramCache]: Analyzing trace with hash 49835295, now seen corresponding path program 1 times [2022-11-22 01:38:31,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:38:31,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1669751455] [2022-11-22 01:38:31,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:38:31,281 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 01:38:31,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:38:31,283 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 01:38:31,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-22 01:38:33,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:38:33,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 2228 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 01:38:33,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:38:34,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:38:34,764 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:38:34,765 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:38:34,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1669751455] [2022-11-22 01:38:34,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1669751455] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:38:34,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:38:34,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:38:34,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99475481] [2022-11-22 01:38:34,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:38:34,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:38:34,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:38:34,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:38:34,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:38:34,767 INFO L87 Difference]: Start difference. First operand 10679 states and 15529 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-22 01:38:35,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:38:35,658 INFO L93 Difference]: Finished difference Result 15954 states and 23202 transitions. [2022-11-22 01:38:35,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:38:35,659 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 73 [2022-11-22 01:38:35,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:38:35,733 INFO L225 Difference]: With dead ends: 15954 [2022-11-22 01:38:35,734 INFO L226 Difference]: Without dead ends: 15946 [2022-11-22 01:38:35,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:38:35,745 INFO L413 NwaCegarLoop]: 4952 mSDtfsCounter, 3843 mSDsluCounter, 3909 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3843 SdHoareTripleChecker+Valid, 8861 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:38:35,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3843 Valid, 8861 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 01:38:35,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15946 states. [2022-11-22 01:38:37,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15946 to 15938. [2022-11-22 01:38:37,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15938 states, 11660 states have (on average 1.3524871355060035) internal successors, (15770), 12141 states have internal predecessors, (15770), 3707 states have call successors, (3707), 570 states have call predecessors, (3707), 570 states have return successors, (3710), 3583 states have call predecessors, (3710), 3705 states have call successors, (3710) [2022-11-22 01:38:37,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15938 states to 15938 states and 23187 transitions. [2022-11-22 01:38:37,209 INFO L78 Accepts]: Start accepts. Automaton has 15938 states and 23187 transitions. Word has length 73 [2022-11-22 01:38:37,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:38:37,209 INFO L495 AbstractCegarLoop]: Abstraction has 15938 states and 23187 transitions. [2022-11-22 01:38:37,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-22 01:38:37,210 INFO L276 IsEmpty]: Start isEmpty. Operand 15938 states and 23187 transitions. [2022-11-22 01:38:37,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-22 01:38:37,223 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:38:37,223 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:38:37,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-22 01:38:37,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 01:38:37,444 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:38:37,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:38:37,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1405702881, now seen corresponding path program 1 times [2022-11-22 01:38:37,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:38:37,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1920947637] [2022-11-22 01:38:37,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:38:37,446 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 01:38:37,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:38:37,448 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 01:38:37,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-22 01:38:39,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:38:39,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 2280 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 01:38:39,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:38:40,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:38:40,533 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:38:40,533 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:38:40,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1920947637] [2022-11-22 01:38:40,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1920947637] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:38:40,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:38:40,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:38:40,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405072703] [2022-11-22 01:38:40,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:38:40,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:38:40,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:38:40,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:38:40,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:38:40,535 INFO L87 Difference]: Start difference. First operand 15938 states and 23187 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-22 01:38:41,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:38:41,865 INFO L93 Difference]: Finished difference Result 37604 states and 55261 transitions. [2022-11-22 01:38:41,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:38:41,865 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 77 [2022-11-22 01:38:41,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:38:42,075 INFO L225 Difference]: With dead ends: 37604 [2022-11-22 01:38:42,076 INFO L226 Difference]: Without dead ends: 21834 [2022-11-22 01:38:42,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:38:42,122 INFO L413 NwaCegarLoop]: 4273 mSDtfsCounter, 1074 mSDsluCounter, 3844 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1338 SdHoareTripleChecker+Valid, 8117 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:38:42,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1338 Valid, 8117 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:38:42,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21834 states. [2022-11-22 01:38:44,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21834 to 21824. [2022-11-22 01:38:44,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21824 states, 16094 states have (on average 1.3629302845781037) internal successors, (21935), 16755 states have internal predecessors, (21935), 5159 states have call successors, (5159), 570 states have call predecessors, (5159), 570 states have return successors, (5166), 5005 states have call predecessors, (5166), 5157 states have call successors, (5166) [2022-11-22 01:38:44,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21824 states to 21824 states and 32260 transitions. [2022-11-22 01:38:44,179 INFO L78 Accepts]: Start accepts. Automaton has 21824 states and 32260 transitions. Word has length 77 [2022-11-22 01:38:44,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:38:44,179 INFO L495 AbstractCegarLoop]: Abstraction has 21824 states and 32260 transitions. [2022-11-22 01:38:44,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-22 01:38:44,180 INFO L276 IsEmpty]: Start isEmpty. Operand 21824 states and 32260 transitions. [2022-11-22 01:38:44,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-22 01:38:44,198 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:38:44,198 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:38:44,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-22 01:38:44,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 01:38:44,417 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:38:44,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:38:44,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1461524583, now seen corresponding path program 1 times [2022-11-22 01:38:44,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:38:44,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [877304870] [2022-11-22 01:38:44,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:38:44,419 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 01:38:44,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:38:44,421 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 01:38:44,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-22 01:39:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:39:05,908 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 01:39:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:39:49,859 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-22 01:39:49,859 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 01:39:49,861 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-22 01:39:49,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-22 01:39:50,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 01:39:50,089 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:39:50,092 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 01:39:50,182 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Expected only CPrimitive but got *~wait_queue_t~0 at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:373) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateBitvecLiteral(CACSL2BoogieBacktranslator.java:1212) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpression(CACSL2BoogieBacktranslator.java:1021) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramStateEntry(CACSL2BoogieBacktranslator.java:658) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramState(CACSL2BoogieBacktranslator.java:633) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.handleCASTFunctionCallExpression(CACSL2BoogieBacktranslator.java:490) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramExecution(CACSL2BoogieBacktranslator.java:267) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:217) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getProgramExecutionAsString(UnprovableResult.java:132) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getLongDescription(UnprovableResult.java:125) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:582) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-22 01:39:50,186 INFO L158 Benchmark]: Toolchain (without parser) took 203393.68ms. Allocated memory was 75.5MB in the beginning and 1.5GB in the end (delta: 1.5GB). Free memory was 38.0MB in the beginning and 698.7MB in the end (delta: -660.7MB). Peak memory consumption was 806.6MB. Max. memory is 16.1GB. [2022-11-22 01:39:50,186 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 62.9MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:39:50,186 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5035.56ms. Allocated memory was 75.5MB in the beginning and 281.0MB in the end (delta: 205.5MB). Free memory was 37.8MB in the beginning and 118.9MB in the end (delta: -81.1MB). Peak memory consumption was 130.2MB. Max. memory is 16.1GB. [2022-11-22 01:39:50,187 INFO L158 Benchmark]: Boogie Procedure Inliner took 449.94ms. Allocated memory is still 281.0MB. Free memory was 118.9MB in the beginning and 168.7MB in the end (delta: -49.8MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2022-11-22 01:39:50,187 INFO L158 Benchmark]: Boogie Preprocessor took 327.91ms. Allocated memory is still 281.0MB. Free memory was 168.7MB in the beginning and 114.2MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2022-11-22 01:39:50,187 INFO L158 Benchmark]: RCFGBuilder took 86679.87ms. Allocated memory was 281.0MB in the beginning and 1.1GB in the end (delta: 788.5MB). Free memory was 114.2MB in the beginning and 677.7MB in the end (delta: -563.5MB). Peak memory consumption was 590.0MB. Max. memory is 16.1GB. [2022-11-22 01:39:50,188 INFO L158 Benchmark]: TraceAbstraction took 110892.93ms. Allocated memory was 1.1GB in the beginning and 1.5GB in the end (delta: 471.9MB). Free memory was 677.7MB in the beginning and 698.7MB in the end (delta: -21.0MB). Peak memory consumption was 449.8MB. Max. memory is 16.1GB. [2022-11-22 01:39:50,189 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 62.9MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5035.56ms. Allocated memory was 75.5MB in the beginning and 281.0MB in the end (delta: 205.5MB). Free memory was 37.8MB in the beginning and 118.9MB in the end (delta: -81.1MB). Peak memory consumption was 130.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 449.94ms. Allocated memory is still 281.0MB. Free memory was 118.9MB in the beginning and 168.7MB in the end (delta: -49.8MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 327.91ms. Allocated memory is still 281.0MB. Free memory was 168.7MB in the beginning and 114.2MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * RCFGBuilder took 86679.87ms. Allocated memory was 281.0MB in the beginning and 1.1GB in the end (delta: 788.5MB). Free memory was 114.2MB in the beginning and 677.7MB in the end (delta: -563.5MB). Peak memory consumption was 590.0MB. Max. memory is 16.1GB. * TraceAbstraction took 110892.93ms. Allocated memory was 1.1GB in the beginning and 1.5GB in the end (delta: 471.9MB). Free memory was 677.7MB in the beginning and 698.7MB in the end (delta: -21.0MB). Peak memory consumption was 449.8MB. 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 - ExceptionOrErrorResult: AssertionError: Expected only CPrimitive but got *~wait_queue_t~0 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Expected only CPrimitive but got *~wait_queue_t~0: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:373) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-22 01:39:50,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6646d650-d6ce-4656-968c-3c4073f996e5/bin/utaipan-g80aRyZoba/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: ERROR: ExceptionOrErrorResult: AssertionError: Expected only CPrimitive but got *~wait_queue_t~0