./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0c3010ce5e1d1499df5a7edf91735fcbf8e6e49f56d21e0e77b6af352c375fd6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 14:45:05,483 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 14:45:05,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 14:45:05,526 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 14:45:05,527 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 14:45:05,528 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 14:45:05,529 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 14:45:05,530 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 14:45:05,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 14:45:05,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 14:45:05,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 14:45:05,533 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 14:45:05,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 14:45:05,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 14:45:05,534 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 14:45:05,535 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 14:45:05,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 14:45:05,536 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 14:45:05,537 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 14:45:05,538 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 14:45:05,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 14:45:05,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 14:45:05,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 14:45:05,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 14:45:05,555 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 14:45:05,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 14:45:05,558 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 14:45:05,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 14:45:05,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 14:45:05,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 14:45:05,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 14:45:05,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 14:45:05,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 14:45:05,564 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 14:45:05,565 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 14:45:05,565 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 14:45:05,565 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 14:45:05,566 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 14:45:05,566 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 14:45:05,566 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 14:45:05,567 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 14:45:05,568 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 14:45:05,590 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 14:45:05,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 14:45:05,591 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 14:45:05,591 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 14:45:05,593 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 14:45:05,594 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 14:45:05,594 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 14:45:05,594 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 14:45:05,595 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 14:45:05,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 14:45:05,595 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 14:45:05,595 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 14:45:05,595 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 14:45:05,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 14:45:05,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 14:45:05,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 14:45:05,596 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 14:45:05,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 14:45:05,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 14:45:05,596 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 14:45:05,596 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 14:45:05,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:45:05,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 14:45:05,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 14:45:05,597 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 14:45:05,597 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 14:45:05,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 14:45:05,598 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 14:45:05,598 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 14:45:05,598 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 14:45:05,598 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 14:45:05,598 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c3010ce5e1d1499df5a7edf91735fcbf8e6e49f56d21e0e77b6af352c375fd6 [2021-12-22 14:45:05,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 14:45:05,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 14:45:05,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 14:45:05,818 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 14:45:05,819 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 14:45:05,820 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i [2021-12-22 14:45:05,873 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/146eb7a0e/52980cd529974c79a8d076b9c1099bc5/FLAG27260eded [2021-12-22 14:45:06,506 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 14:45:06,507 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i [2021-12-22 14:45:06,541 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/146eb7a0e/52980cd529974c79a8d076b9c1099bc5/FLAG27260eded [2021-12-22 14:45:06,922 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/146eb7a0e/52980cd529974c79a8d076b9c1099bc5 [2021-12-22 14:45:06,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 14:45:06,926 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 14:45:06,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 14:45:06,929 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 14:45:06,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 14:45:06,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:45:06" (1/1) ... [2021-12-22 14:45:06,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15630707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:06, skipping insertion in model container [2021-12-22 14:45:06,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:45:06" (1/1) ... [2021-12-22 14:45:06,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 14:45:07,025 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 14:45:07,386 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4571] [2021-12-22 14:45:07,387 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4572-4573] [2021-12-22 14:45:07,784 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i[141860,141873] [2021-12-22 14:45:08,638 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:45:08,673 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 14:45:08,748 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4571] [2021-12-22 14:45:08,750 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4572-4573] [2021-12-22 14:45:08,761 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i[141860,141873] [2021-12-22 14:45:09,108 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:45:09,193 INFO L208 MainTranslator]: Completed translation [2021-12-22 14:45:09,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:09 WrapperNode [2021-12-22 14:45:09,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 14:45:09,195 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 14:45:09,195 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 14:45:09,195 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 14:45:09,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:09" (1/1) ... [2021-12-22 14:45:09,280 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:09" (1/1) ... [2021-12-22 14:45:09,412 INFO L137 Inliner]: procedures = 250, calls = 2339, calls flagged for inlining = 129, calls inlined = 127, statements flattened = 6369 [2021-12-22 14:45:09,413 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 14:45:09,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 14:45:09,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 14:45:09,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 14:45:09,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:09" (1/1) ... [2021-12-22 14:45:09,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:09" (1/1) ... [2021-12-22 14:45:09,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:09" (1/1) ... [2021-12-22 14:45:09,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:09" (1/1) ... [2021-12-22 14:45:09,649 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:09" (1/1) ... [2021-12-22 14:45:09,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:09" (1/1) ... [2021-12-22 14:45:09,690 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:09" (1/1) ... [2021-12-22 14:45:09,725 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 14:45:09,726 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 14:45:09,726 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 14:45:09,726 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 14:45:09,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:09" (1/1) ... [2021-12-22 14:45:09,733 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:45:09,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:45:09,761 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 14:45:09,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 14:45:09,798 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_cmd_from_context [2021-12-22 14:45:09,799 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_cmd_from_context [2021-12-22 14:45:09,799 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-22 14:45:09,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 14:45:09,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 14:45:09,799 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-22 14:45:09,799 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-22 14:45:09,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 14:45:09,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 14:45:09,800 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_delete_hba [2021-12-22 14:45:09,800 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_delete_hba [2021-12-22 14:45:09,800 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2021-12-22 14:45:09,800 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2021-12-22 14:45:09,800 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2021-12-22 14:45:09,800 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2021-12-22 14:45:09,800 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-22 14:45:09,801 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-22 14:45:09,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-22 14:45:09,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-22 14:45:09,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 14:45:09,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 14:45:09,801 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_status_get [2021-12-22 14:45:09,801 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_status_get [2021-12-22 14:45:09,801 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_build_sys_table [2021-12-22 14:45:09,801 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_build_sys_table [2021-12-22 14:45:09,802 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2021-12-22 14:45:09,802 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2021-12-22 14:45:09,802 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_online_hba [2021-12-22 14:45:09,802 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_online_hba [2021-12-22 14:45:09,802 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_host [2021-12-22 14:45:09,802 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_host [2021-12-22 14:45:09,802 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_iterate_devices [2021-12-22 14:45:09,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_iterate_devices [2021-12-22 14:45:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-22 14:45:09,803 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-22 14:45:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 14:45:09,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 14:45:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_2 [2021-12-22 14:45:09,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_2 [2021-12-22 14:45:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2021-12-22 14:45:09,804 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2021-12-22 14:45:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 14:45:09,804 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 14:45:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_query_scalar [2021-12-22 14:45:09,804 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_query_scalar [2021-12-22 14:45:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure dma_high [2021-12-22 14:45:09,805 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_high [2021-12-22 14:45:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 14:45:09,805 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 14:45:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 14:45:09,805 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 14:45:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_hba_reset [2021-12-22 14:45:09,806 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_hba_reset [2021-12-22 14:45:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 14:45:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 14:45:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-22 14:45:09,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-22 14:45:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-12-22 14:45:09,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-12-22 14:45:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-22 14:45:09,808 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-22 14:45:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 14:45:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-22 14:45:09,808 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-22 14:45:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 14:45:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-22 14:45:09,809 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-22 14:45:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_lct_get [2021-12-22 14:45:09,809 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_lct_get [2021-12-22 14:45:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-22 14:45:09,810 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-22 14:45:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-22 14:45:09,810 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-22 14:45:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-22 14:45:09,810 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-22 14:45:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_reparse_lct [2021-12-22 14:45:09,810 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_reparse_lct [2021-12-22 14:45:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-22 14:45:09,810 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-22 14:45:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_post_wait [2021-12-22 14:45:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_post_wait [2021-12-22 14:45:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 14:45:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-22 14:45:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-22 14:45:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-22 14:45:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-22 14:45:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure dma_low [2021-12-22 14:45:09,812 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_low [2021-12-22 14:45:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 14:45:09,812 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 14:45:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-22 14:45:09,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-22 14:45:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_adjust_queue_depth [2021-12-22 14:45:09,813 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_adjust_queue_depth [2021-12-22 14:45:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 14:45:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_activate_hba [2021-12-22 14:45:09,814 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_activate_hba [2021-12-22 14:45:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-22 14:45:09,814 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-22 14:45:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 14:45:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_ioctl [2021-12-22 14:45:09,814 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_ioctl [2021-12-22 14:45:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_reset_hba [2021-12-22 14:45:09,814 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_reset_hba [2021-12-22 14:45:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 14:45:09,815 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 14:45:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_read_blink_led [2021-12-22 14:45:09,815 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_read_blink_led [2021-12-22 14:45:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-22 14:45:09,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-22 14:45:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-22 14:45:09,815 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-22 14:45:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 14:45:09,816 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 14:45:09,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 14:45:09,818 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-22 14:45:09,818 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-22 14:45:09,818 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_send_nop [2021-12-22 14:45:09,819 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_send_nop [2021-12-22 14:45:09,820 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-22 14:45:09,820 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-22 14:45:09,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 14:45:09,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 14:45:09,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 14:45:09,824 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_install_device [2021-12-22 14:45:09,825 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_install_device [2021-12-22 14:45:09,825 INFO L130 BoogieDeclarations]: Found specification of procedure dpt_dma64 [2021-12-22 14:45:09,825 INFO L138 BoogieDeclarations]: Found implementation of procedure dpt_dma64 [2021-12-22 14:45:09,825 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-22 14:45:09,825 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-22 14:45:09,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 14:45:09,825 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_cmd_to_context [2021-12-22 14:45:09,825 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_cmd_to_context [2021-12-22 14:45:09,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 14:45:09,826 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-22 14:45:09,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-22 14:45:09,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-22 14:45:09,826 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 14:45:09,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 14:45:09,826 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-22 14:45:09,827 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-22 14:45:09,829 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-22 14:45:09,829 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-22 14:45:09,829 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_set_state [2021-12-22 14:45:09,830 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_set_state [2021-12-22 14:45:09,830 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2021-12-22 14:45:09,830 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2021-12-22 14:45:09,830 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_online [2021-12-22 14:45:09,830 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_online [2021-12-22 14:45:09,830 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_post_this [2021-12-22 14:45:09,830 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_post_this [2021-12-22 14:45:09,830 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-22 14:45:09,830 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-22 14:45:09,830 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-22 14:45:09,831 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-22 14:45:09,831 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_sys_shutdown [2021-12-22 14:45:09,831 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_sys_shutdown [2021-12-22 14:45:09,831 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-22 14:45:09,831 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-22 14:45:09,831 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-22 14:45:09,831 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-22 14:45:09,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 14:45:09,832 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_report_hba_unit [2021-12-22 14:45:09,832 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_report_hba_unit [2021-12-22 14:45:09,832 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2021-12-22 14:45:09,832 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2021-12-22 14:45:09,832 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-12-22 14:45:09,832 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-12-22 14:45:09,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 14:45:09,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 14:45:09,832 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-22 14:45:09,833 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-22 14:45:10,415 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 14:45:10,417 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 14:45:11,026 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 14:45:20,188 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 14:45:20,204 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 14:45:20,205 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 14:45:20,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:45:20 BoogieIcfgContainer [2021-12-22 14:45:20,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 14:45:20,209 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 14:45:20,209 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 14:45:20,211 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 14:45:20,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:45:06" (1/3) ... [2021-12-22 14:45:20,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ba09ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:45:20, skipping insertion in model container [2021-12-22 14:45:20,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:09" (2/3) ... [2021-12-22 14:45:20,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ba09ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:45:20, skipping insertion in model container [2021-12-22 14:45:20,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:45:20" (3/3) ... [2021-12-22 14:45:20,219 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i [2021-12-22 14:45:20,223 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 14:45:20,223 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 14:45:20,273 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 14:45:20,277 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 14:45:20,277 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 14:45:20,311 INFO L276 IsEmpty]: Start isEmpty. Operand has 1998 states, 1483 states have (on average 1.3917734322319621) internal successors, (2064), 1507 states have internal predecessors, (2064), 437 states have call successors, (437), 77 states have call predecessors, (437), 76 states have return successors, (431), 430 states have call predecessors, (431), 431 states have call successors, (431) [2021-12-22 14:45:20,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-12-22 14:45:20,336 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:45:20,336 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 14:45:20,337 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:45:20,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:45:20,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1716966273, now seen corresponding path program 1 times [2021-12-22 14:45:20,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:45:20,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643258889] [2021-12-22 14:45:20,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:45:20,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:45:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:20,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:45:20,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:20,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:45:20,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:20,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:45:20,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:20,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-22 14:45:20,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:20,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-22 14:45:20,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:20,925 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-22 14:45:20,926 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:45:20,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643258889] [2021-12-22 14:45:20,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643258889] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:45:20,928 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:45:20,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 14:45:20,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488435616] [2021-12-22 14:45:20,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:45:20,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 14:45:20,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:45:20,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 14:45:20,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 14:45:20,960 INFO L87 Difference]: Start difference. First operand has 1998 states, 1483 states have (on average 1.3917734322319621) internal successors, (2064), 1507 states have internal predecessors, (2064), 437 states have call successors, (437), 77 states have call predecessors, (437), 76 states have return successors, (431), 430 states have call predecessors, (431), 431 states have call successors, (431) Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-22 14:45:24,437 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:45:28,487 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:45:30,379 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:45:35,357 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:45:37,386 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:45:41,456 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:45:46,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:45:46,798 INFO L93 Difference]: Finished difference Result 6659 states and 10182 transitions. [2021-12-22 14:45:46,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 14:45:46,801 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 58 [2021-12-22 14:45:46,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:45:46,848 INFO L225 Difference]: With dead ends: 6659 [2021-12-22 14:45:46,849 INFO L226 Difference]: Without dead ends: 4615 [2021-12-22 14:45:46,870 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-22 14:45:46,872 INFO L933 BasicCegarLoop]: 3233 mSDtfsCounter, 4790 mSDsluCounter, 5159 mSDsCounter, 0 mSdLazyCounter, 3859 mSolverCounterSat, 2772 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5151 SdHoareTripleChecker+Valid, 8392 SdHoareTripleChecker+Invalid, 6635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2772 IncrementalHoareTripleChecker+Valid, 3859 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.2s IncrementalHoareTripleChecker+Time [2021-12-22 14:45:46,873 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5151 Valid, 8392 Invalid, 6635 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2772 Valid, 3859 Invalid, 4 Unknown, 0 Unchecked, 25.2s Time] [2021-12-22 14:45:46,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4615 states. [2021-12-22 14:45:47,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4615 to 3618. [2021-12-22 14:45:47,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3618 states, 2687 states have (on average 1.384443617417194) internal successors, (3720), 2716 states have internal predecessors, (3720), 789 states have call successors, (789), 142 states have call predecessors, (789), 141 states have return successors, (788), 786 states have call predecessors, (788), 788 states have call successors, (788) [2021-12-22 14:45:47,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3618 states to 3618 states and 5297 transitions. [2021-12-22 14:45:47,183 INFO L78 Accepts]: Start accepts. Automaton has 3618 states and 5297 transitions. Word has length 58 [2021-12-22 14:45:47,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:45:47,185 INFO L470 AbstractCegarLoop]: Abstraction has 3618 states and 5297 transitions. [2021-12-22 14:45:47,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-22 14:45:47,185 INFO L276 IsEmpty]: Start isEmpty. Operand 3618 states and 5297 transitions. [2021-12-22 14:45:47,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-12-22 14:45:47,195 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:45:47,195 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 14:45:47,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 14:45:47,196 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:45:47,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:45:47,197 INFO L85 PathProgramCache]: Analyzing trace with hash 543101132, now seen corresponding path program 1 times [2021-12-22 14:45:47,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:45:47,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882871616] [2021-12-22 14:45:47,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:45:47,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:45:47,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:47,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:45:47,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:47,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:45:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:47,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:45:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:47,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-22 14:45:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:47,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-22 14:45:47,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:47,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 14:45:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:47,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 14:45:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:47,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 14:45:47,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:45:47,623 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-22 14:45:47,624 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:45:47,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882871616] [2021-12-22 14:45:47,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882871616] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:45:47,624 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:45:47,624 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 14:45:47,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604043786] [2021-12-22 14:45:47,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:45:47,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 14:45:47,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:45:47,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 14:45:47,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:45:47,627 INFO L87 Difference]: Start difference. First operand 3618 states and 5297 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-22 14:45:52,149 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:45:57,426 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:46:02,616 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:46:08,074 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:46:10,144 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []