./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fcb8e130 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.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 8001390eb2f6d47f3c7e12a6690b5c61f51c12957cc81df6245a38db5a896095 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-fcb8e13 [2021-11-22 22:31:50,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 22:31:50,567 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 22:31:50,602 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 22:31:50,603 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 22:31:50,605 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 22:31:50,607 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 22:31:50,609 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 22:31:50,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 22:31:50,612 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 22:31:50,612 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 22:31:50,613 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 22:31:50,613 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 22:31:50,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 22:31:50,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 22:31:50,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 22:31:50,617 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 22:31:50,617 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 22:31:50,618 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 22:31:50,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 22:31:50,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 22:31:50,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 22:31:50,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 22:31:50,622 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 22:31:50,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 22:31:50,626 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 22:31:50,626 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 22:31:50,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 22:31:50,627 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 22:31:50,628 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 22:31:50,628 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 22:31:50,629 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 22:31:50,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 22:31:50,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 22:31:50,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 22:31:50,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 22:31:50,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 22:31:50,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 22:31:50,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 22:31:50,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 22:31:50,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 22:31:50,634 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-22 22:31:50,648 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 22:31:50,651 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 22:31:50,652 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 22:31:50,652 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 22:31:50,653 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 22:31:50,653 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 22:31:50,653 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 22:31:50,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 22:31:50,653 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 22:31:50,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 22:31:50,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 22:31:50,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 22:31:50,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 22:31:50,655 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 22:31:50,655 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 22:31:50,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 22:31:50,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 22:31:50,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 22:31:50,655 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 22:31:50,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 22:31:50,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 22:31:50,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 22:31:50,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 22:31:50,656 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 22:31:50,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 22:31:50,656 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 22:31:50,656 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 22:31:50,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 22:31:50,657 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 22:31:50,657 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8001390eb2f6d47f3c7e12a6690b5c61f51c12957cc81df6245a38db5a896095 [2021-11-22 22:31:50,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 22:31:50,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 22:31:50,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 22:31:50,921 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 22:31:50,921 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 22:31:50,922 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2021-11-22 22:31:50,991 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecf2cd23f/0bdeecb4751d4106b4803c7c61de8679/FLAG0af63fc53 [2021-11-22 22:31:51,609 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 22:31:51,610 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2021-11-22 22:31:51,634 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecf2cd23f/0bdeecb4751d4106b4803c7c61de8679/FLAG0af63fc53 [2021-11-22 22:31:51,842 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecf2cd23f/0bdeecb4751d4106b4803c7c61de8679 [2021-11-22 22:31:51,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 22:31:51,846 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 22:31:51,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 22:31:51,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 22:31:51,851 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 22:31:51,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:31:51" (1/1) ... [2021-11-22 22:31:51,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fb46e8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:31:51, skipping insertion in model container [2021-11-22 22:31:51,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:31:51" (1/1) ... [2021-11-22 22:31:51,859 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 22:31:51,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 22:31:52,937 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2021-11-22 22:31:53,002 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-22 22:31:53,010 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 22:31:53,034 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 22:31:53,258 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2021-11-22 22:31:53,272 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-22 22:31:53,273 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 22:31:53,325 INFO L208 MainTranslator]: Completed translation [2021-11-22 22:31:53,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:31:53 WrapperNode [2021-11-22 22:31:53,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 22:31:53,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 22:31:53,327 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 22:31:53,327 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 22:31:53,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:31:53" (1/1) ... [2021-11-22 22:31:53,388 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:31:53" (1/1) ... [2021-11-22 22:31:53,479 INFO L137 Inliner]: procedures = 259, calls = 1650, calls flagged for inlining = 379, calls inlined = 91, statements flattened = 1765 [2021-11-22 22:31:53,480 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 22:31:53,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 22:31:53,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 22:31:53,481 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 22:31:53,486 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:31:53" (1/1) ... [2021-11-22 22:31:53,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:31:53" (1/1) ... [2021-11-22 22:31:53,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:31:53" (1/1) ... [2021-11-22 22:31:53,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:31:53" (1/1) ... [2021-11-22 22:31:53,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:31:53" (1/1) ... [2021-11-22 22:31:53,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:31:53" (1/1) ... [2021-11-22 22:31:53,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:31:53" (1/1) ... [2021-11-22 22:31:53,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 22:31:53,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 22:31:53,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 22:31:53,571 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 22:31:53,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:31:53" (1/1) ... [2021-11-22 22:31:53,577 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 22:31:53,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 22:31:53,592 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) [2021-11-22 22:31:53,597 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 [2021-11-22 22:31:53,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-22 22:31:53,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-22 22:31:53,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 22:31:53,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 22:31:53,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 22:31:53,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-22 22:31:53,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-22 22:31:53,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-22 22:31:53,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 22:31:53,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 22:31:53,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 22:31:53,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 22:31:53,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 22:31:53,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 22:31:53,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 22:31:53,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 22:31:53,866 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 22:31:53,867 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 22:31:54,827 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 22:31:54,833 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 22:31:54,833 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-22 22:31:54,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:31:54 BoogieIcfgContainer [2021-11-22 22:31:54,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 22:31:54,836 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 22:31:54,836 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 22:31:54,838 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 22:31:54,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:31:51" (1/3) ... [2021-11-22 22:31:54,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3110658f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:31:54, skipping insertion in model container [2021-11-22 22:31:54,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:31:53" (2/3) ... [2021-11-22 22:31:54,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3110658f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:31:54, skipping insertion in model container [2021-11-22 22:31:54,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:31:54" (3/3) ... [2021-11-22 22:31:54,840 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2021-11-22 22:31:54,843 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 22:31:54,843 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2021-11-22 22:31:54,870 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 22:31:54,873 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 [2021-11-22 22:31:54,874 INFO L340 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2021-11-22 22:31:54,885 INFO L276 IsEmpty]: Start isEmpty. Operand has 273 states, 261 states have (on average 1.4865900383141764) internal successors, (388), 272 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:31:54,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 22:31:54,889 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 22:31:54,889 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 22:31:54,889 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-22 22:31:54,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 22:31:54,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1833057772, now seen corresponding path program 1 times [2021-11-22 22:31:54,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 22:31:54,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956708445] [2021-11-22 22:31:54,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 22:31:54,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 22:31:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 22:31:55,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 22:31:55,153 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 22:31:55,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956708445] [2021-11-22 22:31:55,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956708445] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 22:31:55,154 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 22:31:55,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 22:31:55,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132916779] [2021-11-22 22:31:55,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 22:31:55,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 22:31:55,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 22:31:55,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 22:31:55,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 22:31:55,176 INFO L87 Difference]: Start difference. First operand has 273 states, 261 states have (on average 1.4865900383141764) internal successors, (388), 272 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:31:55,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 22:31:55,283 INFO L93 Difference]: Finished difference Result 626 states and 901 transitions. [2021-11-22 22:31:55,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 22:31:55,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-22 22:31:55,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 22:31:55,295 INFO L225 Difference]: With dead ends: 626 [2021-11-22 22:31:55,295 INFO L226 Difference]: Without dead ends: 348 [2021-11-22 22:31:55,298 INFO L932 BasicCegarLoop]: 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 [2021-11-22 22:31:55,300 INFO L933 BasicCegarLoop]: 363 mSDtfsCounter, 128 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 22:31:55,300 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 715 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 22:31:55,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2021-11-22 22:31:55,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 324. [2021-11-22 22:31:55,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 313 states have (on average 1.488817891373802) internal successors, (466), 323 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:31:55,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 466 transitions. [2021-11-22 22:31:55,337 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 466 transitions. Word has length 14 [2021-11-22 22:31:55,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 22:31:55,337 INFO L470 AbstractCegarLoop]: Abstraction has 324 states and 466 transitions. [2021-11-22 22:31:55,337 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:31:55,337 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 466 transitions. [2021-11-22 22:31:55,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 22:31:55,338 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 22:31:55,338 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 22:31:55,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 22:31:55,339 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-22 22:31:55,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 22:31:55,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1183841445, now seen corresponding path program 1 times [2021-11-22 22:31:55,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 22:31:55,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901669599] [2021-11-22 22:31:55,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 22:31:55,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 22:31:55,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 22:31:55,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 22:31:55,454 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 22:31:55,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901669599] [2021-11-22 22:31:55,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901669599] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 22:31:55,455 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 22:31:55,455 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 22:31:55,455 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760807794] [2021-11-22 22:31:55,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 22:31:55,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 22:31:55,456 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 22:31:55,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 22:31:55,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 22:31:55,457 INFO L87 Difference]: Start difference. First operand 324 states and 466 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:31:55,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 22:31:55,488 INFO L93 Difference]: Finished difference Result 324 states and 466 transitions. [2021-11-22 22:31:55,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 22:31:55,488 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-22 22:31:55,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 22:31:55,490 INFO L225 Difference]: With dead ends: 324 [2021-11-22 22:31:55,490 INFO L226 Difference]: Without dead ends: 322 [2021-11-22 22:31:55,490 INFO L932 BasicCegarLoop]: 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 [2021-11-22 22:31:55,491 INFO L933 BasicCegarLoop]: 357 mSDtfsCounter, 342 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 22:31:55,492 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [342 Valid, 357 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 22:31:55,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2021-11-22 22:31:55,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 322. [2021-11-22 22:31:55,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 312 states have (on average 1.4871794871794872) internal successors, (464), 321 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:31:55,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 464 transitions. [2021-11-22 22:31:55,503 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 464 transitions. Word has length 18 [2021-11-22 22:31:55,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 22:31:55,504 INFO L470 AbstractCegarLoop]: Abstraction has 322 states and 464 transitions. [2021-11-22 22:31:55,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:31:55,504 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 464 transitions. [2021-11-22 22:31:55,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 22:31:55,505 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 22:31:55,505 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 22:31:55,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 22:31:55,505 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-22 22:31:55,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 22:31:55,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1955620108, now seen corresponding path program 1 times [2021-11-22 22:31:55,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 22:31:55,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843535495] [2021-11-22 22:31:55,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 22:31:55,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 22:31:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 22:31:55,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 22:31:55,568 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 22:31:55,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843535495] [2021-11-22 22:31:55,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843535495] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 22:31:55,569 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 22:31:55,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 22:31:55,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641408264] [2021-11-22 22:31:55,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 22:31:55,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 22:31:55,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 22:31:55,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 22:31:55,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 22:31:55,571 INFO L87 Difference]: Start difference. First operand 322 states and 464 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:31:55,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 22:31:55,601 INFO L93 Difference]: Finished difference Result 322 states and 464 transitions. [2021-11-22 22:31:55,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 22:31:55,602 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-22 22:31:55,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 22:31:55,603 INFO L225 Difference]: With dead ends: 322 [2021-11-22 22:31:55,603 INFO L226 Difference]: Without dead ends: 318 [2021-11-22 22:31:55,603 INFO L932 BasicCegarLoop]: 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 [2021-11-22 22:31:55,604 INFO L933 BasicCegarLoop]: 352 mSDtfsCounter, 329 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 22:31:55,604 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [329 Valid, 356 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 22:31:55,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2021-11-22 22:31:55,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2021-11-22 22:31:55,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 310 states have (on average 1.4838709677419355) internal successors, (460), 317 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:31:55,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 460 transitions. [2021-11-22 22:31:55,616 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 460 transitions. Word has length 19 [2021-11-22 22:31:55,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 22:31:55,616 INFO L470 AbstractCegarLoop]: Abstraction has 318 states and 460 transitions. [2021-11-22 22:31:55,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:31:55,616 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 460 transitions. [2021-11-22 22:31:55,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 22:31:55,617 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 22:31:55,617 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 22:31:55,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 22:31:55,617 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-22 22:31:55,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 22:31:55,618 INFO L85 PathProgramCache]: Analyzing trace with hash 494680454, now seen corresponding path program 1 times [2021-11-22 22:31:55,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 22:31:55,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418804975] [2021-11-22 22:31:55,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 22:31:55,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 22:31:55,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 22:31:55,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 22:31:55,679 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 22:31:55,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418804975] [2021-11-22 22:31:55,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418804975] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 22:31:55,679 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 22:31:55,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 22:31:55,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972056673] [2021-11-22 22:31:55,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 22:31:55,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 22:31:55,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 22:31:55,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 22:31:55,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 22:31:55,681 INFO L87 Difference]: Start difference. First operand 318 states and 460 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:31:55,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 22:31:55,708 INFO L93 Difference]: Finished difference Result 318 states and 460 transitions. [2021-11-22 22:31:55,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 22:31:55,709 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-22 22:31:55,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 22:31:55,710 INFO L225 Difference]: With dead ends: 318 [2021-11-22 22:31:55,710 INFO L226 Difference]: Without dead ends: 316 [2021-11-22 22:31:55,710 INFO L932 BasicCegarLoop]: 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 [2021-11-22 22:31:55,711 INFO L933 BasicCegarLoop]: 351 mSDtfsCounter, 334 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 22:31:55,711 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [334 Valid, 351 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 22:31:55,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2021-11-22 22:31:55,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 316. [2021-11-22 22:31:55,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 309 states have (on average 1.4822006472491909) internal successors, (458), 315 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:31:55,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 458 transitions. [2021-11-22 22:31:55,720 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 458 transitions. Word has length 20 [2021-11-22 22:31:55,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 22:31:55,720 INFO L470 AbstractCegarLoop]: Abstraction has 316 states and 458 transitions. [2021-11-22 22:31:55,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:31:55,720 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 458 transitions. [2021-11-22 22:31:55,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 22:31:55,721 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 22:31:55,721 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 22:31:55,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-22 22:31:55,722 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-22 22:31:55,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 22:31:55,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1844775849, now seen corresponding path program 1 times [2021-11-22 22:31:55,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 22:31:55,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031161366] [2021-11-22 22:31:55,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 22:31:55,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 22:31:55,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 22:31:55,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 22:31:55,784 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 22:31:55,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031161366] [2021-11-22 22:31:55,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031161366] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 22:31:55,784 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 22:31:55,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 22:31:55,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516470347] [2021-11-22 22:31:55,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 22:31:55,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 22:31:55,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 22:31:55,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 22:31:55,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 22:31:55,786 INFO L87 Difference]: Start difference. First operand 316 states and 458 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:31:55,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 22:31:55,846 INFO L93 Difference]: Finished difference Result 479 states and 709 transitions. [2021-11-22 22:31:55,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 22:31:55,847 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-11-22 22:31:55,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 22:31:55,849 INFO L225 Difference]: With dead ends: 479 [2021-11-22 22:31:55,849 INFO L226 Difference]: Without dead ends: 473 [2021-11-22 22:31:55,849 INFO L932 BasicCegarLoop]: 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 [2021-11-22 22:31:55,850 INFO L933 BasicCegarLoop]: 349 mSDtfsCounter, 131 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 22:31:55,850 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [131 Valid, 676 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 22:31:55,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2021-11-22 22:31:55,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 473. [2021-11-22 22:31:55,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 466 states have (on average 1.5085836909871244) internal successors, (703), 472 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:31:55,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 703 transitions. [2021-11-22 22:31:55,861 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 703 transitions. Word has length 21 [2021-11-22 22:31:55,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 22:31:55,861 INFO L470 AbstractCegarLoop]: Abstraction has 473 states and 703 transitions. [2021-11-22 22:31:55,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:31:55,862 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 703 transitions. [2021-11-22 22:31:55,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 22:31:55,862 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 22:31:55,863 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 22:31:55,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-22 22:31:55,863 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-22 22:31:55,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 22:31:55,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1353477199, now seen corresponding path program 1 times [2021-11-22 22:31:55,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 22:31:55,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254658215] [2021-11-22 22:31:55,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 22:31:55,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 22:31:55,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 22:31:55,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 22:31:55,926 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 22:31:55,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254658215] [2021-11-22 22:31:55,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254658215] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 22:31:55,927 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 22:31:55,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 22:31:55,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298794620] [2021-11-22 22:31:55,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 22:31:55,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 22:31:55,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 22:31:55,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 22:31:55,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 22:31:55,929 INFO L87 Difference]: Start difference. First operand 473 states and 703 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:31:55,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 22:31:55,954 INFO L93 Difference]: Finished difference Result 473 states and 703 transitions. [2021-11-22 22:31:55,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 22:31:55,956 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-11-22 22:31:55,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 22:31:55,958 INFO L225 Difference]: With dead ends: 473 [2021-11-22 22:31:55,958 INFO L226 Difference]: Without dead ends: 457 [2021-11-22 22:31:55,958 INFO L932 BasicCegarLoop]: 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 [2021-11-22 22:31:55,959 INFO L933 BasicCegarLoop]: 350 mSDtfsCounter, 330 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 22:31:55,959 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [330 Valid, 350 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 22:31:55,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2021-11-22 22:31:55,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 457. [2021-11-22 22:31:55,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 451 states have (on average 1.5144124168514412) internal successors, (683), 456 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:31:55,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 683 transitions. [2021-11-22 22:31:55,970 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 683 transitions. Word has length 22 [2021-11-22 22:31:55,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 22:31:55,970 INFO L470 AbstractCegarLoop]: Abstraction has 457 states and 683 transitions. [2021-11-22 22:31:55,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:31:55,971 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 683 transitions. [2021-11-22 22:31:55,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 22:31:55,971 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 22:31:55,972 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-22 22:31:55,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-22 22:31:55,972 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-22 22:31:55,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 22:31:55,972 INFO L85 PathProgramCache]: Analyzing trace with hash 453333449, now seen corresponding path program 1 times [2021-11-22 22:31:55,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 22:31:55,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522302692] [2021-11-22 22:31:55,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 22:31:55,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 22:31:56,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 22:31:56,047 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 22:31:56,047 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 22:31:56,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522302692] [2021-11-22 22:31:56,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522302692] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 22:31:56,048 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 22:31:56,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 22:31:56,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140476168] [2021-11-22 22:31:56,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 22:31:56,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 22:31:56,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 22:31:56,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 22:31:56,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 22:31:56,049 INFO L87 Difference]: Start difference. First operand 457 states and 683 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:31:56,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 22:31:56,089 INFO L93 Difference]: Finished difference Result 907 states and 1361 transitions. [2021-11-22 22:31:56,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 22:31:56,089 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-11-22 22:31:56,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 22:31:56,091 INFO L225 Difference]: With dead ends: 907 [2021-11-22 22:31:56,091 INFO L226 Difference]: Without dead ends: 453 [2021-11-22 22:31:56,092 INFO L932 BasicCegarLoop]: 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 [2021-11-22 22:31:56,092 INFO L933 BasicCegarLoop]: 462 mSDtfsCounter, 322 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 22:31:56,093 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [322 Valid, 591 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 22:31:56,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2021-11-22 22:31:56,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 453. [2021-11-22 22:31:56,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 449 states have (on average 1.5077951002227172) internal successors, (677), 452 states have internal predecessors, (677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:31:56,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 677 transitions. [2021-11-22 22:31:56,104 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 677 transitions. Word has length 36 [2021-11-22 22:31:56,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 22:31:56,104 INFO L470 AbstractCegarLoop]: Abstraction has 453 states and 677 transitions. [2021-11-22 22:31:56,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:31:56,104 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 677 transitions. [2021-11-22 22:31:56,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 22:31:56,105 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 22:31:56,105 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-22 22:31:56,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-22 22:31:56,106 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-22 22:31:56,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 22:31:56,106 INFO L85 PathProgramCache]: Analyzing trace with hash 719658112, now seen corresponding path program 1 times [2021-11-22 22:31:56,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 22:31:56,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129201202] [2021-11-22 22:31:56,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 22:31:56,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 22:31:56,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 22:31:56,225 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 22:31:56,225 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 22:31:56,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129201202] [2021-11-22 22:31:56,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129201202] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 22:31:56,225 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 22:31:56,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 22:31:56,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308553338] [2021-11-22 22:31:56,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 22:31:56,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 22:31:56,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 22:31:56,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 22:31:56,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 22:31:56,226 INFO L87 Difference]: Start difference. First operand 453 states and 677 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:31:56,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 22:31:56,259 INFO L93 Difference]: Finished difference Result 453 states and 677 transitions. [2021-11-22 22:31:56,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 22:31:56,259 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-11-22 22:31:56,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 22:31:56,261 INFO L225 Difference]: With dead ends: 453 [2021-11-22 22:31:56,261 INFO L226 Difference]: Without dead ends: 451 [2021-11-22 22:31:56,262 INFO L932 BasicCegarLoop]: 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 [2021-11-22 22:31:56,262 INFO L933 BasicCegarLoop]: 342 mSDtfsCounter, 1 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 22:31:56,262 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 675 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 22:31:56,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2021-11-22 22:31:56,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 451. [2021-11-22 22:31:56,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 448 states have (on average 1.5066964285714286) internal successors, (675), 450 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:31:56,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 675 transitions. [2021-11-22 22:31:56,279 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 675 transitions. Word has length 39 [2021-11-22 22:31:56,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 22:31:56,279 INFO L470 AbstractCegarLoop]: Abstraction has 451 states and 675 transitions. [2021-11-22 22:31:56,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:31:56,280 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 675 transitions. [2021-11-22 22:31:56,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-22 22:31:56,281 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 22:31:56,282 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 22:31:56,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-22 22:31:56,282 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-22 22:31:56,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 22:31:56,283 INFO L85 PathProgramCache]: Analyzing trace with hash 164574703, now seen corresponding path program 1 times [2021-11-22 22:31:56,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 22:31:56,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913092621] [2021-11-22 22:31:56,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 22:31:56,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 22:31:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 22:31:56,512 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 22:31:56,513 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 22:31:56,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913092621] [2021-11-22 22:31:56,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913092621] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 22:31:56,513 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 22:31:56,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 22:31:56,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585537337] [2021-11-22 22:31:56,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 22:31:56,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 22:31:56,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 22:31:56,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 22:31:56,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 22:31:56,515 INFO L87 Difference]: Start difference. First operand 451 states and 675 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:31:56,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 22:31:56,566 INFO L93 Difference]: Finished difference Result 927 states and 1380 transitions. [2021-11-22 22:31:56,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 22:31:56,567 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-22 22:31:56,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 22:31:56,568 INFO L225 Difference]: With dead ends: 927 [2021-11-22 22:31:56,569 INFO L226 Difference]: Without dead ends: 471 [2021-11-22 22:31:56,569 INFO L932 BasicCegarLoop]: 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 [2021-11-22 22:31:56,571 INFO L933 BasicCegarLoop]: 340 mSDtfsCounter, 24 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 1021 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 22:31:56,571 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 1021 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 22:31:56,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2021-11-22 22:31:56,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 430. [2021-11-22 22:31:56,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 427 states have (on average 1.515222482435597) internal successors, (647), 429 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:31:56,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 647 transitions. [2021-11-22 22:31:56,586 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 647 transitions. Word has length 44 [2021-11-22 22:31:56,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 22:31:56,588 INFO L470 AbstractCegarLoop]: Abstraction has 430 states and 647 transitions. [2021-11-22 22:31:56,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:31:56,589 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 647 transitions. [2021-11-22 22:31:56,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 22:31:56,590 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 22:31:56,590 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 22:31:56,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-22 22:31:56,591 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-22 22:31:56,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 22:31:56,592 INFO L85 PathProgramCache]: Analyzing trace with hash 83306944, now seen corresponding path program 1 times [2021-11-22 22:31:56,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 22:31:56,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483245191] [2021-11-22 22:31:56,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 22:31:56,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 22:31:56,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 22:31:56,726 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 22:31:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 22:31:56,917 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 22:31:56,917 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-22 22:31:56,918 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 11 remaining) [2021-11-22 22:31:56,919 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (9 of 11 remaining) [2021-11-22 22:31:56,920 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (8 of 11 remaining) [2021-11-22 22:31:56,920 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (7 of 11 remaining) [2021-11-22 22:31:56,920 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (6 of 11 remaining) [2021-11-22 22:31:56,920 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (5 of 11 remaining) [2021-11-22 22:31:56,920 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (4 of 11 remaining) [2021-11-22 22:31:56,920 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (3 of 11 remaining) [2021-11-22 22:31:56,921 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (2 of 11 remaining) [2021-11-22 22:31:56,921 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (1 of 11 remaining) [2021-11-22 22:31:56,921 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (0 of 11 remaining) [2021-11-22 22:31:56,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-22 22:31:56,927 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 22:31:56,928 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-22 22:31:57,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 10:31:57 BoogieIcfgContainer [2021-11-22 22:31:57,019 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-22 22:31:57,020 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 22:31:57,020 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 22:31:57,020 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 22:31:57,020 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:31:54" (3/4) ... [2021-11-22 22:31:57,022 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-22 22:31:57,023 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 22:31:57,023 INFO L158 Benchmark]: Toolchain (without parser) took 5177.24ms. Allocated memory was 111.1MB in the beginning and 394.3MB in the end (delta: 283.1MB). Free memory was 71.5MB in the beginning and 287.5MB in the end (delta: -215.9MB). Peak memory consumption was 67.2MB. Max. memory is 16.1GB. [2021-11-22 22:31:57,023 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 92.3MB. Free memory is still 52.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 22:31:57,024 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1477.77ms. Allocated memory was 111.1MB in the beginning and 182.5MB in the end (delta: 71.3MB). Free memory was 71.3MB in the beginning and 63.9MB in the end (delta: 7.4MB). Peak memory consumption was 83.2MB. Max. memory is 16.1GB. [2021-11-22 22:31:57,024 INFO L158 Benchmark]: Boogie Procedure Inliner took 152.91ms. Allocated memory is still 182.5MB. Free memory was 63.9MB in the beginning and 127.7MB in the end (delta: -63.8MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2021-11-22 22:31:57,024 INFO L158 Benchmark]: Boogie Preprocessor took 89.41ms. Allocated memory is still 182.5MB. Free memory was 127.7MB in the beginning and 119.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 22:31:57,024 INFO L158 Benchmark]: RCFGBuilder took 1264.15ms. Allocated memory was 182.5MB in the beginning and 276.8MB in the end (delta: 94.4MB). Free memory was 119.3MB in the beginning and 186.2MB in the end (delta: -66.9MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. [2021-11-22 22:31:57,025 INFO L158 Benchmark]: TraceAbstraction took 2183.76ms. Allocated memory was 276.8MB in the beginning and 394.3MB in the end (delta: 117.4MB). Free memory was 186.2MB in the beginning and 288.5MB in the end (delta: -102.3MB). Peak memory consumption was 114.8MB. Max. memory is 16.1GB. [2021-11-22 22:31:57,025 INFO L158 Benchmark]: Witness Printer took 2.98ms. Allocated memory is still 394.3MB. Free memory was 288.5MB in the beginning and 287.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 22:31:57,026 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 92.3MB. Free memory is still 52.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1477.77ms. Allocated memory was 111.1MB in the beginning and 182.5MB in the end (delta: 71.3MB). Free memory was 71.3MB in the beginning and 63.9MB in the end (delta: 7.4MB). Peak memory consumption was 83.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 152.91ms. Allocated memory is still 182.5MB. Free memory was 63.9MB in the beginning and 127.7MB in the end (delta: -63.8MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.41ms. Allocated memory is still 182.5MB. Free memory was 127.7MB in the beginning and 119.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1264.15ms. Allocated memory was 182.5MB in the beginning and 276.8MB in the end (delta: 94.4MB). Free memory was 119.3MB in the beginning and 186.2MB in the end (delta: -66.9MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2183.76ms. Allocated memory was 276.8MB in the beginning and 394.3MB in the end (delta: 117.4MB). Free memory was 186.2MB in the beginning and 288.5MB in the end (delta: -102.3MB). Peak memory consumption was 114.8MB. Max. memory is 16.1GB. * Witness Printer took 2.98ms. Allocated memory is still 394.3MB. Free memory was 288.5MB in the beginning and 287.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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: 6023]: 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 3473. Possible FailurePath: [L3298] int ldv_state_variable_3 ; [L3299] int ldv_state_variable_1 ; [L3300] int ldv_state_variable_2 ; [L3301] int ref_cnt ; [L3302] int ldv_state_variable_0 ; [L3412] int rc_core_debug ; [L3472] static struct list_head rc_map_list = {& rc_map_list, & rc_map_list}; [L3473-L3474] static spinlock_t rc_map_lock = {{{{{0U}}, 3735899821U, 4294967295U, 0xffffffffffffffffUL, {0, {0, 0}, "rc_map_lock", 0, 0UL}}}}; [L3551] static struct rc_map_table empty[1U] = { {42U, 152U}}; [L3552-L3559] static struct rc_map_list empty_map = {{0, 0}, {(struct rc_map_table *)(& empty), 1U, 0U, 0U, 0, "rc-empty", {{{{{0U}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}}}; [L4237-L4238] static struct class ir_input_class = {"rc", 0, 0, 0, 0, 0, 0, & ir_devnode, 0, 0, 0, 0, 0, 0, 0, 0}; [L4239-L4251] static struct __anonstruct_proto_names_168 proto_names[12U] = { {0ULL, (char *)"none"}, {2ULL, (char *)"other"}, {1ULL, (char *)"unknown"}, {24ULL, (char *)"rc-5"}, {1024ULL, (char *)"nec"}, {253952ULL, (char *)"rc-6"}, {64ULL, (char *)"jvc"}, {896ULL, (char *)"sony"}, {32ULL, (char *)"rc-5-sz"}, {2048ULL, (char *)"sanyo"}, {4096ULL, (char *)"mce_kbd"}, {4ULL, (char *)"lirc"}}; [L4578-L4580] static struct device_attribute dev_attr_protocols = {{"protocols", 420U, (_Bool)0, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & show_protocols, & store_protocols}; [L4581] static struct attribute *rc_dev_attrs[2U] = { & dev_attr_protocols.attr, 0}; [L4582] static struct attribute_group rc_dev_attr_grp = {0, 0, (struct attribute **)(& rc_dev_attrs)}; [L4583] static struct attribute_group const *rc_dev_attr_groups[2U] = { (struct attribute_group const *)(& rc_dev_attr_grp), 0}; [L4584-L4585] static struct device_type rc_dev_type = {0, (struct attribute_group const **)(& rc_dev_attr_groups), & rc_dev_uevent, 0, & rc_dev_release, 0}; [L4884] char *ldvarg3 ; [L4885] struct device *dev_attr_protocols_group0 ; [L4886] struct kobj_uevent_env *ldvarg0 ; [L4887] char *ldvarg5 ; [L4888] struct device *ldvarg1 ; [L4889] int ldv_retval_0 ; [L4890] size_t ldvarg4 ; [L4892] struct device_attribute *dev_attr_protocols_group1 ; [L4894] struct device *rc_dev_type_group0 ; [L4895] umode_t *ldvarg2 ; [L5297] static struct list_head ir_raw_client_list = {& ir_raw_client_list, & ir_raw_client_list}; [L5298-L5301] static struct mutex ir_raw_handler_lock = {{1}, {{{{{0U}}, 3735899821U, 4294967295U, 0xffffffffffffffffUL, {0, {0, 0}, "ir_raw_handler_lock.wait_lock", 0, 0UL}}}}, {& ir_raw_handler_lock.wait_list, & ir_raw_handler_lock.wait_list}, 0, 0, (void *)(& ir_raw_handler_lock), {0, {0, 0}, "ir_raw_handler_lock", 0, 0UL}}; [L5302] static struct list_head ir_raw_handler_list = {& ir_raw_handler_list, & ir_raw_handler_list}; [L5303] static u64 available_protocols ; [L5304] static struct work_struct wq_load ; [L6040] static int ldv_mutex_cred_guard_mutex_of_signal_struct ; [L6143] static int ldv_mutex_ir_raw_handler_lock ; [L6245] static int ldv_mutex_lock ; [L6347] static int ldv_mutex_lock_of_rc_dev ; [L6449] static int ldv_mutex_mutex_of_device ; VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:0}, dev_attr_protocols_group1={0:0}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=0, ldv_mutex_ir_raw_handler_lock=0, ldv_mutex_lock=0, ldv_mutex_lock_of_rc_dev=0, ldv_mutex_mutex_of_device=0, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L4898] int tmp ; [L4899] int tmp___0 ; [L4900] int tmp___1 ; [L4901] int tmp___2 ; [L4902] int tmp___3 ; [L4904] ldvarg0 = (struct kobj_uevent_env*) __VERIFIER_nondet_long () [L4905] ldvarg1 = (struct device*) __VERIFIER_nondet_long () [L4906] ldvarg2 = (umode_t *) __VERIFIER_nondet_long () [L4907] ldvarg3 = (char*) __VERIFIER_nondet_long () [L4908] ldvarg4 = (size_t) __VERIFIER_nondet_long () [L4909] ldvarg5 = (char*) __VERIFIER_nondet_long () [L4910] dev_attr_protocols_group0 = (struct device *)__VERIFIER_nondet_long () [L4911] dev_attr_protocols_group1 = (struct device_attribute *)__VERIFIER_nondet_long () [L4912] rc_dev_type_group0 = (struct device*) __VERIFIER_nondet_long () [L4913] CALL ldv_initialize() [L6554] ldv_mutex_cred_guard_mutex_of_signal_struct = 1 [L6555] ldv_mutex_ir_raw_handler_lock = 1 [L6556] ldv_mutex_lock = 1 [L6557] ldv_mutex_lock_of_rc_dev = 1 [L6558] ldv_mutex_mutex_of_device = 1 VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L4913] RET ldv_initialize() [L4914] ldv_state_variable_1 = 0 [L4915] ref_cnt = 0 [L4916] ldv_state_variable_0 = 1 [L4917] ldv_state_variable_3 = 0 [L4918] ldv_state_variable_2 = 0 VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L4920] tmp = __VERIFIER_nondet_int() [L4922] case 0: [L4961] case 1: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=1, wq_load={201:0}] [L4962] COND TRUE ldv_state_variable_0 != 0 [L4963] tmp___1 = __VERIFIER_nondet_int() [L4965] case 0: [L4973] case 1: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=1, tmp___1=1, wq_load={201:0}] [L4974] COND TRUE ldv_state_variable_0 == 1 [L4975] CALL, EXPR rc_core_init() [L4861] int rc ; [L4862] struct lock_class_key __key ; [L4863] int tmp ; [L4865] CALL, EXPR __class_register(& ir_input_class, & __key) [L6590] return __VERIFIER_nondet_int(); [L4865] RET, EXPR __class_register(& ir_input_class, & __key) [L4865] tmp = __class_register(& ir_input_class, & __key) [L4866] rc = tmp VAL [__key={203:0}, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc=0, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=0, wq_load={201:0}] [L4867] COND FALSE !(rc != 0) [L4872] CALL rc_map_register(& empty_map) [L3536] CALL spin_lock(& rc_map_lock) [L3319] FCALL _raw_spin_lock(& lock->ldv_5961.rlock) [L3536] RET spin_lock(& rc_map_lock) [L3537] CALL list_add_tail(& map->list, & rc_map_list) [L3236] EXPR head->prev [L3236] FCALL __list_add(new, head->prev, head) [L3537] RET list_add_tail(& map->list, & rc_map_list) [L3538] CALL spin_unlock(& rc_map_lock) [L3326] FCALL _raw_spin_unlock(& lock->ldv_5961.rlock) [L3538] RET spin_unlock(& rc_map_lock) [L3539] return (0); VAL [\result=0, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, map={190:0}, map={190:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L4872] RET rc_map_register(& empty_map) [L4873] return (0); [L4873] return (0); VAL [\result=0, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc=0, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=0, wq_load={201:0}] [L4975] RET, EXPR rc_core_init() [L4975] ldv_retval_0 = rc_core_init() [L4976] COND TRUE ldv_retval_0 == 0 [L4977] ldv_state_variable_0 = 3 [L4978] ldv_state_variable_2 = 1 [L4979] ldv_state_variable_3 = 1 [L4980] ldv_state_variable_1 = 1 VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=1, tmp___1=1, wq_load={201:0}] [L4983] COND FALSE !(ldv_retval_0 != 0) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=1, tmp___1=1, wq_load={201:0}] [L4920] tmp = __VERIFIER_nondet_int() [L4922] case 0: [L4961] case 1: [L4998] case 2: [L5016] case 3: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=3, tmp___1=1, wq_load={201:0}] [L5017] COND TRUE ldv_state_variable_2 != 0 [L5018] tmp___3 = __VERIFIER_nondet_int() [L5020] case 0: [L5028] case 1: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=1, wq_load={201:0}] [L5029] COND TRUE ldv_state_variable_2 == 1 [L5030] CALL show_protocols(dev_attr_protocols_group0, dev_attr_protocols_group1, ldvarg3) [L4254] struct rc_dev *dev ; [L4255] struct device const *__mptr ; [L4256] u64 allowed ; [L4257] u64 enabled ; [L4258] char *tmp ; [L4259] int i ; [L4260] struct _ddebug descriptor ; [L4261] long tmp___0 ; [L4262] int tmp___1 ; [L4263] int tmp___2 ; [L4265] __mptr = (struct device const *)device [L4266] dev = (struct rc_dev *)__mptr [L4267] tmp = buf VAL [__mptr={0:-1}, available_protocols=0, buf={0:-5}, buf={0:-5}, descriptor={204:0}, dev={0:-1}, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-4}, device={0:-1}, device={0:-1}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, mattr={0:-4}, mattr={0:-4}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp={0:-5}, wq_load={201:0}] [L4268] COND FALSE !((unsigned long )dev == (unsigned long )((struct rc_dev *)0)) [L4272] CALL ldv_mutex_lock_6(& dev->lock) [L5099] CALL ldv_mutex_lock_lock_of_rc_dev(ldv_func_arg1) [L6383] COND TRUE ldv_mutex_lock_of_rc_dev == 1 VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, lock={0:1226}, lock={0:1226}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L6387] ldv_mutex_lock_of_rc_dev = 2 VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, lock={0:1226}, lock={0:1226}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L5099] RET ldv_mutex_lock_lock_of_rc_dev(ldv_func_arg1) [L5100] FCALL mutex_lock(ldv_func_arg1) [L4272] RET ldv_mutex_lock_6(& dev->lock) [L4273] EXPR dev->driver_type VAL [__mptr={0:-1}, available_protocols=0, buf={0:-5}, buf={0:-5}, descriptor={204:0}, dev={0:-1}, dev->driver_type=4294967297, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-4}, device={0:-1}, device={0:-1}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, mattr={0:-4}, mattr={0:-4}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp={0:-5}, wq_load={201:0}] [L4273] COND FALSE !((unsigned int )dev->driver_type == 0U) [L4277] EXPR dev->raw VAL [__mptr={0:-1}, available_protocols=0, buf={0:-5}, buf={0:-5}, descriptor={204:0}, dev={0:-1}, dev->raw={0:0}, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-4}, device={0:-1}, device={0:-1}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, mattr={0:-4}, mattr={0:-4}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp={0:-5}, wq_load={201:0}] [L4277] COND FALSE !((unsigned long )dev->raw != (unsigned long )((struct ir_raw_event_ctrl *)0)) [L4281] return (-19L); [L4281] return (-19L); VAL [\result=-19, __mptr={0:-1}, available_protocols=0, buf={0:-5}, buf={0:-5}, dev={0:-1}, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-4}, device={0:-1}, device={0:-1}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, mattr={0:-4}, mattr={0:-4}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp={0:-5}, wq_load={201:0}] [L5030] RET show_protocols(dev_attr_protocols_group0, dev_attr_protocols_group1, ldvarg3) [L5031] ldv_state_variable_2 = 1 VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=1, wq_load={201:0}] [L4920] tmp = __VERIFIER_nondet_int() [L4922] case 0: [L4961] case 1: [L4998] case 2: [L5016] case 3: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=1, wq_load={201:0}] [L5017] COND TRUE ldv_state_variable_2 != 0 [L5018] tmp___3 = __VERIFIER_nondet_int() [L5020] case 0: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=0, wq_load={201:0}] [L5021] COND TRUE ldv_state_variable_2 == 1 [L5022-L5023] CALL store_protocols(dev_attr_protocols_group0, dev_attr_protocols_group1, (char const *)ldvarg5, ldvarg4) [L4333] struct rc_dev *dev ; [L4334] struct device const *__mptr ; [L4335] bool enable ; [L4336] bool disable ; [L4337] char const *tmp ; [L4338] u64 type ; [L4339] u64 mask ; [L4340] int rc ; [L4341] int i ; [L4342] int count ; [L4343] unsigned long flags ; [L4344] ssize_t ret ; [L4345] struct _ddebug descriptor ; [L4346] long tmp___0 ; [L4347] int tmp___1 ; [L4348] struct _ddebug descriptor___0 ; [L4349] long tmp___2 ; [L4350] char *tmp___3 ; [L4351] struct _ddebug descriptor___1 ; [L4352] long tmp___4 ; [L4353] struct _ddebug descriptor___2 ; [L4354] long tmp___5 ; [L4355] raw_spinlock_t *tmp___6 ; [L4356] struct _ddebug descriptor___3 ; [L4357] long tmp___7 ; [L4359] __mptr = (struct device const *)device [L4360] dev = (struct rc_dev *)__mptr [L4361] count = 0 VAL [\old(len)=18446744073709551613, __mptr={0:-1}, available_protocols=0, count=0, data={208:0}, data={0:-2}, descriptor={210:0}, descriptor___0={205:0}, descriptor___1={207:0}, descriptor___2={209:0}, descriptor___3={206:0}, dev={0:-1}, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-4}, device={0:-1}, device={0:-1}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, len=18446744073709551613, mattr={0:-4}, mattr={0:-4}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, type={202:0}, wq_load={201:0}] [L4362] COND FALSE !((unsigned long )dev == (unsigned long )((struct rc_dev *)0)) [L4366] CALL ldv_mutex_lock_8(& dev->lock) [L5115] CALL ldv_mutex_lock_lock_of_rc_dev(ldv_func_arg1) [L6383] COND FALSE !(ldv_mutex_lock_of_rc_dev == 1) [L6385] CALL ldv_error() [L6023] reach_error() VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] - UnprovableResult [Line: 6023]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6023]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6023]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6023]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6023]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6023]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6023]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6023]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6023]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6023]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 273 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1941 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1941 mSDsluCounter, 5092 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1826 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 61 IncrementalHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 3266 mSDtfsCounter, 61 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=473occurred in iteration=5, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 65 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 284 NumberOfCodeBlocks, 284 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 224 ConstructedInterpolants, 0 QuantifiedInterpolants, 448 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 19/19 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 [2021-11-22 22:31:57,058 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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/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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.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 8001390eb2f6d47f3c7e12a6690b5c61f51c12957cc81df6245a38db5a896095 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-fcb8e13 [2021-11-22 22:31:58,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 22:31:58,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 22:31:58,775 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 22:31:58,776 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 22:31:58,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 22:31:58,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 22:31:58,783 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 22:31:58,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 22:31:58,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 22:31:58,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 22:31:58,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 22:31:58,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 22:31:58,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 22:31:58,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 22:31:58,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 22:31:58,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 22:31:58,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 22:31:58,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 22:31:58,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 22:31:58,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 22:31:58,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 22:31:58,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 22:31:58,808 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 22:31:58,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 22:31:58,813 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 22:31:58,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 22:31:58,814 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 22:31:58,814 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 22:31:58,815 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 22:31:58,815 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 22:31:58,816 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 22:31:58,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 22:31:58,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 22:31:58,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 22:31:58,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 22:31:58,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 22:31:58,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 22:31:58,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 22:31:58,820 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 22:31:58,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 22:31:58,822 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-11-22 22:31:58,849 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 22:31:58,849 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 22:31:58,850 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 22:31:58,850 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 22:31:58,852 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 22:31:58,852 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 22:31:58,852 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 22:31:58,852 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 22:31:58,852 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 22:31:58,853 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 22:31:58,853 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 22:31:58,853 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 22:31:58,853 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-22 22:31:58,854 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-22 22:31:58,854 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-22 22:31:58,854 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 22:31:58,854 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 22:31:58,854 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 22:31:58,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 22:31:58,854 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 22:31:58,855 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 22:31:58,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 22:31:58,855 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 22:31:58,855 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 22:31:58,855 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 22:31:58,862 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-22 22:31:58,863 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-22 22:31:58,863 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 22:31:58,863 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 22:31:58,863 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 22:31:58,863 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 22:31:58,863 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-22 22:31:58,864 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:/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8001390eb2f6d47f3c7e12a6690b5c61f51c12957cc81df6245a38db5a896095 [2021-11-22 22:31:59,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 22:31:59,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 22:31:59,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 22:31:59,154 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 22:31:59,155 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 22:31:59,156 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2021-11-22 22:31:59,215 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9ae5fbf9/9a3fd90b0119493195e33ff40f0e476d/FLAG64c0fa80f [2021-11-22 22:31:59,779 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 22:31:59,780 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2021-11-22 22:31:59,806 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9ae5fbf9/9a3fd90b0119493195e33ff40f0e476d/FLAG64c0fa80f [2021-11-22 22:32:00,234 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9ae5fbf9/9a3fd90b0119493195e33ff40f0e476d [2021-11-22 22:32:00,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 22:32:00,237 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 22:32:00,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 22:32:00,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 22:32:00,240 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 22:32:00,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:32:00" (1/1) ... [2021-11-22 22:32:00,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@495a3760 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:00, skipping insertion in model container [2021-11-22 22:32:00,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:32:00" (1/1) ... [2021-11-22 22:32:00,255 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 22:32:00,341 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 22:32:01,224 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2021-11-22 22:32:01,313 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-22 22:32:01,319 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 22:32:01,354 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-22 22:32:01,380 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 22:32:01,581 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2021-11-22 22:32:01,593 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-22 22:32:01,595 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 22:32:01,607 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 22:32:01,776 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2021-11-22 22:32:01,785 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-22 22:32:01,786 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 22:32:01,876 INFO L208 MainTranslator]: Completed translation [2021-11-22 22:32:01,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:01 WrapperNode [2021-11-22 22:32:01,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 22:32:01,893 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 22:32:01,894 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 22:32:01,894 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 22:32:01,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:01" (1/1) ... [2021-11-22 22:32:01,977 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:01" (1/1) ... [2021-11-22 22:32:02,059 INFO L137 Inliner]: procedures = 274, calls = 1650, calls flagged for inlining = 379, calls inlined = 91, statements flattened = 1724 [2021-11-22 22:32:02,060 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 22:32:02,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 22:32:02,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 22:32:02,061 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 22:32:02,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:01" (1/1) ... [2021-11-22 22:32:02,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:01" (1/1) ... [2021-11-22 22:32:02,082 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:01" (1/1) ... [2021-11-22 22:32:02,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:01" (1/1) ... [2021-11-22 22:32:02,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:01" (1/1) ... [2021-11-22 22:32:02,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:01" (1/1) ... [2021-11-22 22:32:02,148 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:01" (1/1) ... [2021-11-22 22:32:02,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 22:32:02,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 22:32:02,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 22:32:02,176 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 22:32:02,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:01" (1/1) ... [2021-11-22 22:32:02,181 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 22:32:02,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 22:32:02,212 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) [2021-11-22 22:32:02,231 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 [2021-11-22 22:32:02,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-22 22:32:02,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-22 22:32:02,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-22 22:32:02,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-22 22:32:02,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-22 22:32:02,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-22 22:32:02,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 22:32:02,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 22:32:02,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-22 22:32:02,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-22 22:32:02,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-22 22:32:02,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 22:32:02,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-22 22:32:02,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-22 22:32:02,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-22 22:32:02,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-22 22:32:02,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-22 22:32:02,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-22 22:32:02,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-22 22:32:02,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-22 22:32:02,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-22 22:32:02,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-22 22:32:02,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 22:32:02,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 22:32:02,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 22:32:02,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-22 22:32:02,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-22 22:32:02,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-22 22:32:02,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-22 22:32:02,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 22:32:02,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 22:32:02,548 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 22:32:02,549 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 22:32:09,819 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 22:32:09,826 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 22:32:09,826 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-22 22:32:09,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:32:09 BoogieIcfgContainer [2021-11-22 22:32:09,828 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 22:32:09,829 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 22:32:09,829 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 22:32:09,831 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 22:32:09,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:32:00" (1/3) ... [2021-11-22 22:32:09,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32fa6189 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:32:09, skipping insertion in model container [2021-11-22 22:32:09,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:01" (2/3) ... [2021-11-22 22:32:09,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32fa6189 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:32:09, skipping insertion in model container [2021-11-22 22:32:09,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:32:09" (3/3) ... [2021-11-22 22:32:09,833 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2021-11-22 22:32:09,837 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 22:32:09,837 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2021-11-22 22:32:09,874 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 22:32:09,878 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 [2021-11-22 22:32:09,878 INFO L340 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2021-11-22 22:32:09,891 INFO L276 IsEmpty]: Start isEmpty. Operand has 273 states, 261 states have (on average 1.4865900383141764) internal successors, (388), 272 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:32:09,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 22:32:09,895 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 22:32:09,896 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 22:32:09,896 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-22 22:32:09,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 22:32:09,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1833057772, now seen corresponding path program 1 times [2021-11-22 22:32:09,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 22:32:09,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [185758218] [2021-11-22 22:32:09,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 22:32:09,912 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 22:32:09,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-22 22:32:09,924 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 22:32:09,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-22 22:32:10,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 22:32:10,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 1109 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 22:32:10,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 22:32:10,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 22:32:10,628 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 22:32:10,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 22:32:10,669 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 22:32:10,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [185758218] [2021-11-22 22:32:10,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [185758218] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 22:32:10,669 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 22:32:10,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-22 22:32:10,670 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967080360] [2021-11-22 22:32:10,671 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 22:32:10,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 22:32:10,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 22:32:10,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 22:32:10,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 22:32:10,719 INFO L87 Difference]: Start difference. First operand has 273 states, 261 states have (on average 1.4865900383141764) internal successors, (388), 272 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:32:10,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 22:32:10,905 INFO L93 Difference]: Finished difference Result 626 states and 901 transitions. [2021-11-22 22:32:10,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 22:32:10,908 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-22 22:32:10,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 22:32:10,915 INFO L225 Difference]: With dead ends: 626 [2021-11-22 22:32:10,916 INFO L226 Difference]: Without dead ends: 348 [2021-11-22 22:32:10,918 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 22:32:10,920 INFO L933 BasicCegarLoop]: 363 mSDtfsCounter, 128 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 22:32:10,921 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 715 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 22:32:10,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2021-11-22 22:32:10,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 324. [2021-11-22 22:32:10,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 313 states have (on average 1.488817891373802) internal successors, (466), 323 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:32:10,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 466 transitions. [2021-11-22 22:32:10,957 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 466 transitions. Word has length 14 [2021-11-22 22:32:10,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 22:32:10,957 INFO L470 AbstractCegarLoop]: Abstraction has 324 states and 466 transitions. [2021-11-22 22:32:10,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:32:10,958 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 466 transitions. [2021-11-22 22:32:10,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 22:32:10,959 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 22:32:10,960 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 22:32:10,977 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-22 22:32:11,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-22 22:32:11,178 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-22 22:32:11,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 22:32:11,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1183841445, now seen corresponding path program 1 times [2021-11-22 22:32:11,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 22:32:11,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1948603527] [2021-11-22 22:32:11,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 22:32:11,180 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 22:32:11,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-22 22:32:11,183 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 22:32:11,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-22 22:32:11,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 22:32:11,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 22:32:11,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 22:32:11,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 22:32:11,886 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 22:32:11,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 22:32:11,943 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 22:32:11,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1948603527] [2021-11-22 22:32:11,943 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1948603527] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 22:32:11,943 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 22:32:11,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-22 22:32:11,943 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389653639] [2021-11-22 22:32:11,943 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 22:32:11,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 22:32:11,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 22:32:11,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 22:32:11,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 22:32:11,945 INFO L87 Difference]: Start difference. First operand 324 states and 466 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:32:12,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 22:32:12,043 INFO L93 Difference]: Finished difference Result 324 states and 466 transitions. [2021-11-22 22:32:12,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 22:32:12,044 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-22 22:32:12,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 22:32:12,046 INFO L225 Difference]: With dead ends: 324 [2021-11-22 22:32:12,048 INFO L226 Difference]: Without dead ends: 322 [2021-11-22 22:32:12,049 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 22:32:12,050 INFO L933 BasicCegarLoop]: 357 mSDtfsCounter, 342 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 22:32:12,051 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [342 Valid, 357 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 22:32:12,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2021-11-22 22:32:12,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 322. [2021-11-22 22:32:12,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 312 states have (on average 1.4871794871794872) internal successors, (464), 321 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:32:12,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 464 transitions. [2021-11-22 22:32:12,077 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 464 transitions. Word has length 18 [2021-11-22 22:32:12,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 22:32:12,077 INFO L470 AbstractCegarLoop]: Abstraction has 322 states and 464 transitions. [2021-11-22 22:32:12,077 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:32:12,078 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 464 transitions. [2021-11-22 22:32:12,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 22:32:12,081 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 22:32:12,082 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 22:32:12,108 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-22 22:32:12,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-22 22:32:12,304 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-22 22:32:12,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 22:32:12,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1955620108, now seen corresponding path program 1 times [2021-11-22 22:32:12,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 22:32:12,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [152038051] [2021-11-22 22:32:12,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 22:32:12,306 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 22:32:12,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-22 22:32:12,310 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 22:32:12,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-22 22:32:12,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 22:32:12,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 1035 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 22:32:12,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 22:32:12,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 22:32:12,973 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 22:32:13,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 22:32:13,026 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 22:32:13,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [152038051] [2021-11-22 22:32:13,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [152038051] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 22:32:13,026 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 22:32:13,026 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-22 22:32:13,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433842680] [2021-11-22 22:32:13,027 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 22:32:13,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 22:32:13,027 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 22:32:13,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 22:32:13,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 22:32:13,028 INFO L87 Difference]: Start difference. First operand 322 states and 464 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:32:13,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 22:32:13,127 INFO L93 Difference]: Finished difference Result 322 states and 464 transitions. [2021-11-22 22:32:13,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 22:32:13,127 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-22 22:32:13,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 22:32:13,128 INFO L225 Difference]: With dead ends: 322 [2021-11-22 22:32:13,128 INFO L226 Difference]: Without dead ends: 318 [2021-11-22 22:32:13,129 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 22:32:13,129 INFO L933 BasicCegarLoop]: 352 mSDtfsCounter, 329 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 22:32:13,130 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [329 Valid, 356 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 22:32:13,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2021-11-22 22:32:13,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2021-11-22 22:32:13,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 310 states have (on average 1.4838709677419355) internal successors, (460), 317 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:32:13,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 460 transitions. [2021-11-22 22:32:13,140 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 460 transitions. Word has length 19 [2021-11-22 22:32:13,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 22:32:13,141 INFO L470 AbstractCegarLoop]: Abstraction has 318 states and 460 transitions. [2021-11-22 22:32:13,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:32:13,141 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 460 transitions. [2021-11-22 22:32:13,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 22:32:13,141 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 22:32:13,142 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 22:32:13,174 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-22 22:32:13,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-22 22:32:13,377 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-22 22:32:13,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 22:32:13,378 INFO L85 PathProgramCache]: Analyzing trace with hash 494680454, now seen corresponding path program 1 times [2021-11-22 22:32:13,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 22:32:13,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1142133872] [2021-11-22 22:32:13,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 22:32:13,379 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 22:32:13,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-22 22:32:13,383 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 22:32:13,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-22 22:32:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 22:32:13,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 1036 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 22:32:13,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 22:32:14,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 22:32:14,052 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 22:32:14,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 22:32:14,108 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 22:32:14,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1142133872] [2021-11-22 22:32:14,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1142133872] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 22:32:14,108 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 22:32:14,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-22 22:32:14,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074703210] [2021-11-22 22:32:14,109 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 22:32:14,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 22:32:14,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 22:32:14,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 22:32:14,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 22:32:14,110 INFO L87 Difference]: Start difference. First operand 318 states and 460 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:32:14,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 22:32:14,202 INFO L93 Difference]: Finished difference Result 318 states and 460 transitions. [2021-11-22 22:32:14,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 22:32:14,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-22 22:32:14,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 22:32:14,211 INFO L225 Difference]: With dead ends: 318 [2021-11-22 22:32:14,211 INFO L226 Difference]: Without dead ends: 316 [2021-11-22 22:32:14,211 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 22:32:14,223 INFO L933 BasicCegarLoop]: 351 mSDtfsCounter, 334 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 22:32:14,223 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [334 Valid, 351 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 22:32:14,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2021-11-22 22:32:14,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 316. [2021-11-22 22:32:14,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 309 states have (on average 1.4822006472491909) internal successors, (458), 315 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:32:14,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 458 transitions. [2021-11-22 22:32:14,245 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 458 transitions. Word has length 20 [2021-11-22 22:32:14,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 22:32:14,246 INFO L470 AbstractCegarLoop]: Abstraction has 316 states and 458 transitions. [2021-11-22 22:32:14,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:32:14,246 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 458 transitions. [2021-11-22 22:32:14,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 22:32:14,248 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 22:32:14,249 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 22:32:14,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-22 22:32:14,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-22 22:32:14,463 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-22 22:32:14,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 22:32:14,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1844775849, now seen corresponding path program 1 times [2021-11-22 22:32:14,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 22:32:14,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1348032821] [2021-11-22 22:32:14,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 22:32:14,468 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 22:32:14,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-22 22:32:14,471 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 22:32:14,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-22 22:32:15,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 22:32:15,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 1037 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 22:32:15,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 22:32:15,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 22:32:15,126 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 22:32:15,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 22:32:15,175 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 22:32:15,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1348032821] [2021-11-22 22:32:15,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1348032821] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 22:32:15,175 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 22:32:15,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-22 22:32:15,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093109925] [2021-11-22 22:32:15,176 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 22:32:15,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 22:32:15,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 22:32:15,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 22:32:15,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 22:32:15,177 INFO L87 Difference]: Start difference. First operand 316 states and 458 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:32:15,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 22:32:15,301 INFO L93 Difference]: Finished difference Result 479 states and 709 transitions. [2021-11-22 22:32:15,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 22:32:15,301 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-11-22 22:32:15,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 22:32:15,303 INFO L225 Difference]: With dead ends: 479 [2021-11-22 22:32:15,303 INFO L226 Difference]: Without dead ends: 473 [2021-11-22 22:32:15,303 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 22:32:15,304 INFO L933 BasicCegarLoop]: 349 mSDtfsCounter, 131 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 22:32:15,304 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [131 Valid, 676 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 22:32:15,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2021-11-22 22:32:15,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 473. [2021-11-22 22:32:15,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 466 states have (on average 1.5085836909871244) internal successors, (703), 472 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:32:15,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 703 transitions. [2021-11-22 22:32:15,338 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 703 transitions. Word has length 21 [2021-11-22 22:32:15,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 22:32:15,338 INFO L470 AbstractCegarLoop]: Abstraction has 473 states and 703 transitions. [2021-11-22 22:32:15,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:32:15,338 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 703 transitions. [2021-11-22 22:32:15,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 22:32:15,339 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 22:32:15,339 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 22:32:15,354 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-22 22:32:15,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-22 22:32:15,554 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-22 22:32:15,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 22:32:15,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1353477199, now seen corresponding path program 1 times [2021-11-22 22:32:15,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 22:32:15,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [95574846] [2021-11-22 22:32:15,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 22:32:15,557 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 22:32:15,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-22 22:32:15,558 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 22:32:15,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-22 22:32:16,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 22:32:16,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 1038 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 22:32:16,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 22:32:16,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 22:32:16,115 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 22:32:16,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 22:32:16,152 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 22:32:16,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [95574846] [2021-11-22 22:32:16,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [95574846] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 22:32:16,152 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 22:32:16,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-22 22:32:16,152 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468164314] [2021-11-22 22:32:16,152 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 22:32:16,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 22:32:16,153 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 22:32:16,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 22:32:16,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 22:32:16,153 INFO L87 Difference]: Start difference. First operand 473 states and 703 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:32:16,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 22:32:16,241 INFO L93 Difference]: Finished difference Result 473 states and 703 transitions. [2021-11-22 22:32:16,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 22:32:16,255 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-11-22 22:32:16,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 22:32:16,258 INFO L225 Difference]: With dead ends: 473 [2021-11-22 22:32:16,258 INFO L226 Difference]: Without dead ends: 457 [2021-11-22 22:32:16,258 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 22:32:16,259 INFO L933 BasicCegarLoop]: 350 mSDtfsCounter, 330 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 22:32:16,259 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [330 Valid, 350 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 22:32:16,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2021-11-22 22:32:16,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 457. [2021-11-22 22:32:16,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 451 states have (on average 1.5144124168514412) internal successors, (683), 456 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:32:16,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 683 transitions. [2021-11-22 22:32:16,277 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 683 transitions. Word has length 22 [2021-11-22 22:32:16,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 22:32:16,278 INFO L470 AbstractCegarLoop]: Abstraction has 457 states and 683 transitions. [2021-11-22 22:32:16,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:32:16,278 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 683 transitions. [2021-11-22 22:32:16,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 22:32:16,279 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 22:32:16,279 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-22 22:32:16,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-22 22:32:16,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-22 22:32:16,495 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-22 22:32:16,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 22:32:16,495 INFO L85 PathProgramCache]: Analyzing trace with hash 453333449, now seen corresponding path program 1 times [2021-11-22 22:32:16,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 22:32:16,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1482206574] [2021-11-22 22:32:16,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 22:32:16,497 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 22:32:16,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-22 22:32:16,505 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 22:32:16,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-22 22:32:17,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 22:32:17,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 1172 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-22 22:32:17,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 22:32:17,295 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 22:32:17,295 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 22:32:17,358 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 22:32:17,359 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 22:32:17,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1482206574] [2021-11-22 22:32:17,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1482206574] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 22:32:17,359 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 22:32:17,359 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-22 22:32:17,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455950222] [2021-11-22 22:32:17,359 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 22:32:17,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 22:32:17,359 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 22:32:17,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 22:32:17,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 22:32:17,360 INFO L87 Difference]: Start difference. First operand 457 states and 683 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:32:17,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 22:32:17,481 INFO L93 Difference]: Finished difference Result 939 states and 1396 transitions. [2021-11-22 22:32:17,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 22:32:17,481 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-11-22 22:32:17,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 22:32:17,483 INFO L225 Difference]: With dead ends: 939 [2021-11-22 22:32:17,483 INFO L226 Difference]: Without dead ends: 477 [2021-11-22 22:32:17,484 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 22:32:17,485 INFO L933 BasicCegarLoop]: 346 mSDtfsCounter, 24 mSDsluCounter, 693 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 1039 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 22:32:17,485 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 1039 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 22:32:17,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2021-11-22 22:32:17,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 436. [2021-11-22 22:32:17,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 430 states have (on average 1.5232558139534884) internal successors, (655), 435 states have internal predecessors, (655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:32:17,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 655 transitions. [2021-11-22 22:32:17,498 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 655 transitions. Word has length 36 [2021-11-22 22:32:17,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 22:32:17,499 INFO L470 AbstractCegarLoop]: Abstraction has 436 states and 655 transitions. [2021-11-22 22:32:17,499 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:32:17,499 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 655 transitions. [2021-11-22 22:32:17,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 22:32:17,500 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 22:32:17,500 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-22 22:32:17,536 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-22 22:32:17,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-22 22:32:17,721 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-22 22:32:17,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 22:32:17,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1025333606, now seen corresponding path program 1 times [2021-11-22 22:32:17,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 22:32:17,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1680432169] [2021-11-22 22:32:17,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 22:32:17,723 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 22:32:17,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-22 22:32:17,724 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 22:32:17,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-22 22:32:18,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 22:32:18,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 1218 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 22:32:18,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 22:32:18,544 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 22:32:18,545 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 22:32:18,601 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 22:32:18,601 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 22:32:18,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1680432169] [2021-11-22 22:32:18,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1680432169] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 22:32:18,601 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 22:32:18,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-22 22:32:18,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759566876] [2021-11-22 22:32:18,602 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 22:32:18,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 22:32:18,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 22:32:18,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 22:32:18,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 22:32:18,602 INFO L87 Difference]: Start difference. First operand 436 states and 655 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:32:18,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 22:32:18,743 INFO L93 Difference]: Finished difference Result 865 states and 1305 transitions. [2021-11-22 22:32:18,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 22:32:18,744 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2021-11-22 22:32:18,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 22:32:18,746 INFO L225 Difference]: With dead ends: 865 [2021-11-22 22:32:18,746 INFO L226 Difference]: Without dead ends: 432 [2021-11-22 22:32:18,747 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 22:32:18,748 INFO L933 BasicCegarLoop]: 460 mSDtfsCounter, 322 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 22:32:18,748 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [322 Valid, 587 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 22:32:18,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2021-11-22 22:32:18,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 432. [2021-11-22 22:32:18,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 428 states have (on average 1.516355140186916) internal successors, (649), 431 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:32:18,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 649 transitions. [2021-11-22 22:32:18,761 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 649 transitions. Word has length 43 [2021-11-22 22:32:18,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 22:32:18,761 INFO L470 AbstractCegarLoop]: Abstraction has 432 states and 649 transitions. [2021-11-22 22:32:18,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:32:18,761 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 649 transitions. [2021-11-22 22:32:18,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 22:32:18,762 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 22:32:18,762 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-22 22:32:18,799 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-11-22 22:32:18,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-22 22:32:18,976 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-22 22:32:18,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 22:32:18,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1065989617, now seen corresponding path program 1 times [2021-11-22 22:32:18,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 22:32:18,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [159153240] [2021-11-22 22:32:18,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 22:32:18,979 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 22:32:18,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-22 22:32:18,980 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 22:32:18,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-22 22:32:19,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 22:32:19,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 1170 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 22:32:19,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 22:32:19,711 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 22:32:19,711 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 22:32:19,778 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 22:32:19,778 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 22:32:19,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [159153240] [2021-11-22 22:32:19,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [159153240] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 22:32:19,778 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 22:32:19,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-22 22:32:19,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729398097] [2021-11-22 22:32:19,779 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 22:32:19,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 22:32:19,780 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 22:32:19,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 22:32:19,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 22:32:19,781 INFO L87 Difference]: Start difference. First operand 432 states and 649 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:32:19,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 22:32:19,963 INFO L93 Difference]: Finished difference Result 432 states and 649 transitions. [2021-11-22 22:32:19,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 22:32:19,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-11-22 22:32:19,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 22:32:19,968 INFO L225 Difference]: With dead ends: 432 [2021-11-22 22:32:19,968 INFO L226 Difference]: Without dead ends: 430 [2021-11-22 22:32:19,969 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 22:32:19,970 INFO L933 BasicCegarLoop]: 342 mSDtfsCounter, 1 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 22:32:19,970 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 675 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 22:32:19,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2021-11-22 22:32:19,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 430. [2021-11-22 22:32:19,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 427 states have (on average 1.515222482435597) internal successors, (647), 429 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:32:19,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 647 transitions. [2021-11-22 22:32:19,986 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 647 transitions. Word has length 46 [2021-11-22 22:32:19,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 22:32:19,987 INFO L470 AbstractCegarLoop]: Abstraction has 430 states and 647 transitions. [2021-11-22 22:32:19,987 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 22:32:19,987 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 647 transitions. [2021-11-22 22:32:19,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 22:32:19,988 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 22:32:19,989 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 22:32:20,012 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-22 22:32:20,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-22 22:32:20,203 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-22 22:32:20,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 22:32:20,204 INFO L85 PathProgramCache]: Analyzing trace with hash 83306944, now seen corresponding path program 1 times [2021-11-22 22:32:20,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 22:32:20,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2003991053] [2021-11-22 22:32:20,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 22:32:20,205 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 22:32:20,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-22 22:32:20,206 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 22:32:20,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-22 22:32:41,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 22:32:41,439 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 22:33:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 22:33:14,542 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-11-22 22:33:14,542 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-22 22:33:14,543 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 11 remaining) [2021-11-22 22:33:14,544 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (9 of 11 remaining) [2021-11-22 22:33:14,544 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (8 of 11 remaining) [2021-11-22 22:33:14,544 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (7 of 11 remaining) [2021-11-22 22:33:14,544 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (6 of 11 remaining) [2021-11-22 22:33:14,544 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (5 of 11 remaining) [2021-11-22 22:33:14,545 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (4 of 11 remaining) [2021-11-22 22:33:14,545 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (3 of 11 remaining) [2021-11-22 22:33:14,545 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (2 of 11 remaining) [2021-11-22 22:33:14,545 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (1 of 11 remaining) [2021-11-22 22:33:14,545 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (0 of 11 remaining) [2021-11-22 22:33:14,582 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-22 22:33:14,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-22 22:33:14,762 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 22:33:14,763 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-22 22:33:14,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 10:33:14 BoogieIcfgContainer [2021-11-22 22:33:14,905 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-22 22:33:14,906 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 22:33:14,906 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 22:33:14,906 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 22:33:14,906 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:32:09" (3/4) ... [2021-11-22 22:33:14,909 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-22 22:33:14,909 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 22:33:14,909 INFO L158 Benchmark]: Toolchain (without parser) took 74672.50ms. Allocated memory was 58.7MB in the beginning and 257.9MB in the end (delta: 199.2MB). Free memory was 28.9MB in the beginning and 157.8MB in the end (delta: -128.9MB). Peak memory consumption was 69.0MB. Max. memory is 16.1GB. [2021-11-22 22:33:14,909 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 58.7MB. Free memory was 40.9MB in the beginning and 40.9MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 22:33:14,910 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1654.21ms. Allocated memory was 58.7MB in the beginning and 136.3MB in the end (delta: 77.6MB). Free memory was 28.7MB in the beginning and 72.0MB in the end (delta: -43.3MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. [2021-11-22 22:33:14,910 INFO L158 Benchmark]: Boogie Procedure Inliner took 166.71ms. Allocated memory is still 136.3MB. Free memory was 72.0MB in the beginning and 60.2MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 22:33:14,910 INFO L158 Benchmark]: Boogie Preprocessor took 113.61ms. Allocated memory is still 136.3MB. Free memory was 60.2MB in the beginning and 78.0MB in the end (delta: -17.8MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2021-11-22 22:33:14,910 INFO L158 Benchmark]: RCFGBuilder took 7652.74ms. Allocated memory was 136.3MB in the beginning and 213.9MB in the end (delta: 77.6MB). Free memory was 78.0MB in the beginning and 145.6MB in the end (delta: -67.7MB). Peak memory consumption was 80.7MB. Max. memory is 16.1GB. [2021-11-22 22:33:14,911 INFO L158 Benchmark]: TraceAbstraction took 65076.26ms. Allocated memory was 213.9MB in the beginning and 257.9MB in the end (delta: 44.0MB). Free memory was 145.6MB in the beginning and 157.8MB in the end (delta: -12.2MB). Peak memory consumption was 136.3MB. Max. memory is 16.1GB. [2021-11-22 22:33:14,911 INFO L158 Benchmark]: Witness Printer took 3.32ms. Allocated memory is still 257.9MB. Free memory is still 157.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 22:33:14,913 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 58.7MB. Free memory was 40.9MB in the beginning and 40.9MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1654.21ms. Allocated memory was 58.7MB in the beginning and 136.3MB in the end (delta: 77.6MB). Free memory was 28.7MB in the beginning and 72.0MB in the end (delta: -43.3MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 166.71ms. Allocated memory is still 136.3MB. Free memory was 72.0MB in the beginning and 60.2MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 113.61ms. Allocated memory is still 136.3MB. Free memory was 60.2MB in the beginning and 78.0MB in the end (delta: -17.8MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * RCFGBuilder took 7652.74ms. Allocated memory was 136.3MB in the beginning and 213.9MB in the end (delta: 77.6MB). Free memory was 78.0MB in the beginning and 145.6MB in the end (delta: -67.7MB). Peak memory consumption was 80.7MB. Max. memory is 16.1GB. * TraceAbstraction took 65076.26ms. Allocated memory was 213.9MB in the beginning and 257.9MB in the end (delta: 44.0MB). Free memory was 145.6MB in the beginning and 157.8MB in the end (delta: -12.2MB). Peak memory consumption was 136.3MB. Max. memory is 16.1GB. * Witness Printer took 3.32ms. Allocated memory is still 257.9MB. Free memory is still 157.8MB. 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: 6023]: 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 3473. Possible FailurePath: [L3298] int ldv_state_variable_3 ; [L3299] int ldv_state_variable_1 ; [L3300] int ldv_state_variable_2 ; [L3301] int ref_cnt ; [L3302] int ldv_state_variable_0 ; [L3412] int rc_core_debug ; [L3472] static struct list_head rc_map_list = {& rc_map_list, & rc_map_list}; [L3473-L3474] static spinlock_t rc_map_lock = {{{{{0U}}, 3735899821U, 4294967295U, 0xffffffffffffffffUL, {0, {0, 0}, "rc_map_lock", 0, 0UL}}}}; [L3551] static struct rc_map_table empty[1U] = { {42U, 152U}}; [L3552-L3559] static struct rc_map_list empty_map = {{0, 0}, {(struct rc_map_table *)(& empty), 1U, 0U, 0U, 0, "rc-empty", {{{{{0U}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}}}; [L4237-L4238] static struct class ir_input_class = {"rc", 0, 0, 0, 0, 0, 0, & ir_devnode, 0, 0, 0, 0, 0, 0, 0, 0}; [L4239-L4251] static struct __anonstruct_proto_names_168 proto_names[12U] = { {0ULL, (char *)"none"}, {2ULL, (char *)"other"}, {1ULL, (char *)"unknown"}, {24ULL, (char *)"rc-5"}, {1024ULL, (char *)"nec"}, {253952ULL, (char *)"rc-6"}, {64ULL, (char *)"jvc"}, {896ULL, (char *)"sony"}, {32ULL, (char *)"rc-5-sz"}, {2048ULL, (char *)"sanyo"}, {4096ULL, (char *)"mce_kbd"}, {4ULL, (char *)"lirc"}}; [L4578-L4580] static struct device_attribute dev_attr_protocols = {{"protocols", 420U, (_Bool)0, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & show_protocols, & store_protocols}; [L4581] static struct attribute *rc_dev_attrs[2U] = { & dev_attr_protocols.attr, 0}; [L4582] static struct attribute_group rc_dev_attr_grp = {0, 0, (struct attribute **)(& rc_dev_attrs)}; [L4583] static struct attribute_group const *rc_dev_attr_groups[2U] = { (struct attribute_group const *)(& rc_dev_attr_grp), 0}; [L4584-L4585] static struct device_type rc_dev_type = {0, (struct attribute_group const **)(& rc_dev_attr_groups), & rc_dev_uevent, 0, & rc_dev_release, 0}; [L4884] char *ldvarg3 ; [L4885] struct device *dev_attr_protocols_group0 ; [L4886] struct kobj_uevent_env *ldvarg0 ; [L4887] char *ldvarg5 ; [L4888] struct device *ldvarg1 ; [L4889] int ldv_retval_0 ; [L4890] size_t ldvarg4 ; [L4892] struct device_attribute *dev_attr_protocols_group1 ; [L4894] struct device *rc_dev_type_group0 ; [L4895] umode_t *ldvarg2 ; [L5297] static struct list_head ir_raw_client_list = {& ir_raw_client_list, & ir_raw_client_list}; [L5298-L5301] static struct mutex ir_raw_handler_lock = {{1}, {{{{{0U}}, 3735899821U, 4294967295U, 0xffffffffffffffffUL, {0, {0, 0}, "ir_raw_handler_lock.wait_lock", 0, 0UL}}}}, {& ir_raw_handler_lock.wait_list, & ir_raw_handler_lock.wait_list}, 0, 0, (void *)(& ir_raw_handler_lock), {0, {0, 0}, "ir_raw_handler_lock", 0, 0UL}}; [L5302] static struct list_head ir_raw_handler_list = {& ir_raw_handler_list, & ir_raw_handler_list}; [L5303] static u64 available_protocols ; [L5304] static struct work_struct wq_load ; [L6040] static int ldv_mutex_cred_guard_mutex_of_signal_struct ; [L6143] static int ldv_mutex_ir_raw_handler_lock ; [L6245] static int ldv_mutex_lock ; [L6347] static int ldv_mutex_lock_of_rc_dev ; [L6449] static int ldv_mutex_mutex_of_device ; VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:0}, dev_attr_protocols_group1={0:0}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=0, ldv_mutex_ir_raw_handler_lock=0, ldv_mutex_lock=0, ldv_mutex_lock_of_rc_dev=0, ldv_mutex_mutex_of_device=0, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L4898] int tmp ; [L4899] int tmp___0 ; [L4900] int tmp___1 ; [L4901] int tmp___2 ; [L4902] int tmp___3 ; [L4904] ldvarg0 = (struct kobj_uevent_env*) __VERIFIER_nondet_long () [L4905] ldvarg1 = (struct device*) __VERIFIER_nondet_long () [L4906] ldvarg2 = (umode_t *) __VERIFIER_nondet_long () [L4907] ldvarg3 = (char*) __VERIFIER_nondet_long () [L4908] ldvarg4 = (size_t) __VERIFIER_nondet_long () [L4909] ldvarg5 = (char*) __VERIFIER_nondet_long () [L4910] dev_attr_protocols_group0 = (struct device *)__VERIFIER_nondet_long () [L4911] dev_attr_protocols_group1 = (struct device_attribute *)__VERIFIER_nondet_long () [L4912] rc_dev_type_group0 = (struct device*) __VERIFIER_nondet_long () [L4913] CALL ldv_initialize() [L6554] ldv_mutex_cred_guard_mutex_of_signal_struct = 1 [L6555] ldv_mutex_ir_raw_handler_lock = 1 [L6556] ldv_mutex_lock = 1 [L6557] ldv_mutex_lock_of_rc_dev = 1 [L6558] ldv_mutex_mutex_of_device = 1 VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L4913] RET ldv_initialize() [L4914] ldv_state_variable_1 = 0 [L4915] ref_cnt = 0 [L4916] ldv_state_variable_0 = 1 [L4917] ldv_state_variable_3 = 0 [L4918] ldv_state_variable_2 = 0 VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L4920] tmp = __VERIFIER_nondet_int() [L4922] case 0: [L4961] case 1: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=1, wq_load={201:0}] [L4962] COND TRUE ldv_state_variable_0 != 0 [L4963] tmp___1 = __VERIFIER_nondet_int() [L4965] case 0: [L4973] case 1: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=1, tmp___1=1, wq_load={201:0}] [L4974] COND TRUE ldv_state_variable_0 == 1 [L4975] CALL, EXPR rc_core_init() [L4861] int rc ; [L4862] struct lock_class_key __key ; [L4863] int tmp ; [L4865] CALL, EXPR __class_register(& ir_input_class, & __key) [L6590] return __VERIFIER_nondet_int(); [L4865] RET, EXPR __class_register(& ir_input_class, & __key) [L4865] tmp = __class_register(& ir_input_class, & __key) [L4866] rc = tmp VAL [__key={-9223372036854775667:0}, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={192:0}, rc=0, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=0, wq_load={201:0}] [L4867] COND FALSE !(rc != 0) [L4872] CALL rc_map_register(& empty_map) [L3536] CALL spin_lock(& rc_map_lock) [L3319] FCALL _raw_spin_lock(& lock->ldv_5961.rlock) [L3536] RET spin_lock(& rc_map_lock) [L3537] CALL list_add_tail(& map->list, & rc_map_list) [L3236] EXPR head->prev [L3236] FCALL __list_add(new, head->prev, head) [L3537] RET list_add_tail(& map->list, & rc_map_list) [L3538] CALL spin_unlock(& rc_map_lock) [L3326] FCALL _raw_spin_unlock(& lock->ldv_5961.rlock) [L3538] RET spin_unlock(& rc_map_lock) [L3539] return (0); VAL [\result=0, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, map={190:0}, map={190:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L4872] RET rc_map_register(& empty_map) [L4873] return (0); [L4873] return (0); VAL [\result=0, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={192:0}, rc=0, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=0, wq_load={201:0}] [L4975] RET, EXPR rc_core_init() [L4975] ldv_retval_0 = rc_core_init() [L4976] COND TRUE ldv_retval_0 == 0 [L4977] ldv_state_variable_0 = 3 [L4978] ldv_state_variable_2 = 1 [L4979] ldv_state_variable_3 = 1 [L4980] ldv_state_variable_1 = 1 VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=1, tmp___1=1, wq_load={201:0}] [L4983] COND FALSE !(ldv_retval_0 != 0) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=1, tmp___1=1, wq_load={201:0}] [L4920] tmp = __VERIFIER_nondet_int() [L4922] case 0: [L4961] case 1: [L4998] case 2: [L5016] case 3: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=3, tmp___1=1, wq_load={201:0}] [L5017] COND TRUE ldv_state_variable_2 != 0 [L5018] tmp___3 = __VERIFIER_nondet_int() [L5020] case 0: [L5028] case 1: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0=null, dev_attr_protocols_group1=null, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3=null, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=1, wq_load={201:0}] [L5029] COND TRUE ldv_state_variable_2 == 1 [L5030] CALL show_protocols(dev_attr_protocols_group0, dev_attr_protocols_group1, ldvarg3) [L4254] struct rc_dev *dev ; [L4255] struct device const *__mptr ; [L4256] u64 allowed ; [L4257] u64 enabled ; [L4258] char *tmp ; [L4259] int i ; [L4260] struct _ddebug descriptor ; [L4261] long tmp___0 ; [L4262] int tmp___1 ; [L4263] int tmp___2 ; [L4265] __mptr = (struct device const *)device [L4266] dev = (struct rc_dev *)__mptr [L4267] tmp = buf VAL [__mptr={0:-9223372036317904896}, available_protocols=0, buf={0:202}, buf={0:202}, descriptor={221:0}, dev={0:-9223372036317904896}, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223372036317904896}, dev_attr_protocols_group1={0:203}, device={0:-9223372036317904896}, device={0:-9223372036317904896}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, mattr={0:203}, mattr={0:203}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp={0:202}, wq_load={201:0}] [L4268] COND FALSE !((unsigned long )dev == (unsigned long )((struct rc_dev *)0)) [L4272] CALL ldv_mutex_lock_6(& dev->lock) [L5099] CALL ldv_mutex_lock_lock_of_rc_dev(ldv_func_arg1) [L6383] COND TRUE ldv_mutex_lock_of_rc_dev == 1 VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223372036317904896}, dev_attr_protocols_group1={0:203}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, lock={0:-9223372036317903669}, lock={0:-9223372036317903669}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L6387] ldv_mutex_lock_of_rc_dev = 2 VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223372036317904896}, dev_attr_protocols_group1={0:203}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, lock={0:-9223372036317903669}, lock={0:-9223372036317903669}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L5099] RET ldv_mutex_lock_lock_of_rc_dev(ldv_func_arg1) [L5100] FCALL mutex_lock(ldv_func_arg1) [L4272] RET ldv_mutex_lock_6(& dev->lock) [L4273] EXPR dev->driver_type VAL [__mptr={0:-9223372036317904896}, available_protocols=0, buf={0:202}, buf={0:202}, descriptor={221:0}, dev={0:-9223372036317904896}, dev->driver_type=-2147483648, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223372036317904896}, dev_attr_protocols_group1={0:203}, device={0:-9223372036317904896}, device={0:-9223372036317904896}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, mattr={0:203}, mattr={0:203}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp={0:202}, wq_load={201:0}] [L4273] COND FALSE !((unsigned int )dev->driver_type == 0U) [L4277] EXPR dev->raw VAL [__mptr={0:-9223372036317904896}, available_protocols=0, buf={0:202}, buf={0:202}, descriptor={221:0}, dev={0:-9223372036317904896}, dev->raw={576460752303423488:-576460752303423488}, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223372036317904896}, dev_attr_protocols_group1={0:203}, device={0:-9223372036317904896}, device={0:-9223372036317904896}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, mattr={0:203}, mattr={0:203}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp={0:202}, wq_load={201:0}] [L4277] COND FALSE !((unsigned long )dev->raw != (unsigned long )((struct ir_raw_event_ctrl *)0)) [L4281] return (-19L); [L4281] return (-19L); VAL [\result=-19, __mptr={0:-9223372036317904896}, available_protocols=0, buf={0:202}, buf={0:202}, dev={0:-9223372036317904896}, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223372036317904896}, dev_attr_protocols_group1={0:203}, device={0:-9223372036317904896}, device={0:-9223372036317904896}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, mattr={0:203}, mattr={0:203}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp={0:202}, wq_load={201:0}] [L5030] RET show_protocols(dev_attr_protocols_group0, dev_attr_protocols_group1, ldvarg3) [L5031] ldv_state_variable_2 = 1 VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223372036317904896}, dev_attr_protocols_group1={0:203}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=1, wq_load={201:0}] [L4920] tmp = __VERIFIER_nondet_int() [L4922] case 0: [L4961] case 1: [L4998] case 2: [L5016] case 3: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223372036317904896}, dev_attr_protocols_group1={0:203}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=1, wq_load={201:0}] [L5017] COND TRUE ldv_state_variable_2 != 0 [L5018] tmp___3 = __VERIFIER_nondet_int() [L5020] case 0: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223372036317904896}, dev_attr_protocols_group1={0:203}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg5=null, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=0, wq_load={201:0}] [L5021] COND TRUE ldv_state_variable_2 == 1 [L5022-L5023] CALL store_protocols(dev_attr_protocols_group0, dev_attr_protocols_group1, (char const *)ldvarg5, ldvarg4) [L4333] struct rc_dev *dev ; [L4334] struct device const *__mptr ; [L4335] bool enable ; [L4336] bool disable ; [L4337] char const *tmp ; [L4338] u64 type ; [L4339] u64 mask ; [L4340] int rc ; [L4341] int i ; [L4342] int count ; [L4343] unsigned long flags ; [L4344] ssize_t ret ; [L4345] struct _ddebug descriptor ; [L4346] long tmp___0 ; [L4347] int tmp___1 ; [L4348] struct _ddebug descriptor___0 ; [L4349] long tmp___2 ; [L4350] char *tmp___3 ; [L4351] struct _ddebug descriptor___1 ; [L4352] long tmp___4 ; [L4353] struct _ddebug descriptor___2 ; [L4354] long tmp___5 ; [L4355] raw_spinlock_t *tmp___6 ; [L4356] struct _ddebug descriptor___3 ; [L4357] long tmp___7 ; [L4359] __mptr = (struct device const *)device [L4360] dev = (struct rc_dev *)__mptr [L4361] count = 0 VAL [\old(len)=204, __mptr={0:-9223372036317904896}, available_protocols=0, count=0, data={0:0}, data={244:0}, descriptor={225:0}, descriptor___0={221:0}, descriptor___1={-9223301668043489036:0}, descriptor___2={-9223372036854775603:0}, descriptor___3={-9223336852348469245:0}, dev={0:-9223372036317904896}, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223372036317904896}, dev_attr_protocols_group1={0:203}, device={0:-9223372036317904896}, device={0:-9223372036317904896}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg4=204, ldvarg5={0:0}, len=204, mattr={0:203}, mattr={0:203}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, type={212:0}, wq_load={201:0}] [L4362] COND FALSE !((unsigned long )dev == (unsigned long )((struct rc_dev *)0)) [L4366] CALL ldv_mutex_lock_8(& dev->lock) [L5115] CALL ldv_mutex_lock_lock_of_rc_dev(ldv_func_arg1) [L6383] COND FALSE !(ldv_mutex_lock_of_rc_dev == 1) [L6385] CALL ldv_error() [L6023] reach_error() VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-9223372036317904896}, dev_attr_protocols_group1={0:203}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=null, ldvarg1=null, ldvarg2=null, ldvarg3={0:202}, ldvarg4=204, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0=null, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] - UnprovableResult [Line: 6023]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6023]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6023]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6023]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6023]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6023]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6023]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6023]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6023]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6023]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 273 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 64.9s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1941 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1941 mSDsluCounter, 5106 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1836 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 61 IncrementalHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 3270 mSDtfsCounter, 61 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 461 GetRequests, 450 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=473occurred in iteration=5, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 65 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 25.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 290 NumberOfCodeBlocks, 290 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 460 ConstructedInterpolants, 0 QuantifiedInterpolants, 894 SizeOfPredicates, 2 NumberOfNonLiveVariables, 9849 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 18/18 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 [2021-11-22 22:33:14,958 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample