./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4d014703 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 571c11c6f0409625a5365ddd11520f6f1824739b70fa0b8a35b203b7dabba441 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-4d01470 [2021-11-02 19:26:40,840 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 19:26:40,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 19:26:40,880 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 19:26:40,881 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 19:26:40,884 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 19:26:40,886 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 19:26:40,890 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 19:26:40,892 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 19:26:40,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 19:26:40,898 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 19:26:40,899 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 19:26:40,900 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 19:26:40,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 19:26:40,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 19:26:40,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 19:26:40,909 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 19:26:40,910 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 19:26:40,913 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 19:26:40,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 19:26:40,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 19:26:40,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 19:26:40,926 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 19:26:40,927 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 19:26:40,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 19:26:40,933 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 19:26:40,934 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 19:26:40,935 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 19:26:40,936 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 19:26:40,937 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 19:26:40,938 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 19:26:40,939 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 19:26:40,940 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 19:26:40,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 19:26:40,942 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 19:26:40,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 19:26:40,943 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 19:26:40,944 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 19:26:40,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 19:26:40,946 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 19:26:40,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 19:26:40,947 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-02 19:26:40,985 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 19:26:40,986 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 19:26:40,986 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 19:26:40,987 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 19:26:40,988 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 19:26:40,988 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 19:26:40,988 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 19:26:40,989 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 19:26:40,989 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 19:26:40,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 19:26:40,990 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 19:26:40,990 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 19:26:40,990 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 19:26:40,991 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 19:26:40,991 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 19:26:40,991 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 19:26:40,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 19:26:40,991 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 19:26:40,992 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 19:26:40,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 19:26:40,992 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 19:26:40,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 19:26:40,992 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 19:26:40,993 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 19:26:40,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 19:26:40,993 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 19:26:40,993 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-02 19:26:40,993 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 19:26:40,993 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 19:26:40,994 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 571c11c6f0409625a5365ddd11520f6f1824739b70fa0b8a35b203b7dabba441 [2021-11-02 19:26:41,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 19:26:41,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 19:26:41,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 19:26:41,299 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 19:26:41,300 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 19:26:41,302 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i [2021-11-02 19:26:41,365 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa6b9e3c9/be8d275d50d64138a28665bc43d0a249/FLAGce96402d8 [2021-11-02 19:26:42,166 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 19:26:42,166 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i [2021-11-02 19:26:42,212 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa6b9e3c9/be8d275d50d64138a28665bc43d0a249/FLAGce96402d8 [2021-11-02 19:26:42,389 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa6b9e3c9/be8d275d50d64138a28665bc43d0a249 [2021-11-02 19:26:42,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 19:26:42,393 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 19:26:42,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 19:26:42,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 19:26:42,399 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 19:26:42,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 07:26:42" (1/1) ... [2021-11-02 19:26:42,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b366750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:26:42, skipping insertion in model container [2021-11-02 19:26:42,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 07:26:42" (1/1) ... [2021-11-02 19:26:42,407 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 19:26:42,521 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 19:26:42,924 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3747] [2021-11-02 19:26:42,928 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3748-3749] [2021-11-02 19:26:43,372 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i[117013,117026] [2021-11-02 19:26:44,638 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 19:26:44,670 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 19:26:44,781 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3747] [2021-11-02 19:26:44,782 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3748-3749] [2021-11-02 19:26:44,792 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i[117013,117026] [2021-11-02 19:26:45,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 19:26:45,157 INFO L208 MainTranslator]: Completed translation [2021-11-02 19:26:45,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:26:45 WrapperNode [2021-11-02 19:26:45,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 19:26:45,158 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 19:26:45,159 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 19:26:45,159 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 19:26:45,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:26:45" (1/1) ... [2021-11-02 19:26:45,346 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:26:45" (1/1) ... [2021-11-02 19:26:46,065 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 19:26:46,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 19:26:46,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 19:26:46,067 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 19:26:46,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:26:45" (1/1) ... [2021-11-02 19:26:46,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:26:45" (1/1) ... [2021-11-02 19:26:46,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:26:45" (1/1) ... [2021-11-02 19:26:46,428 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:26:45" (1/1) ... [2021-11-02 19:26:46,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:26:45" (1/1) ... [2021-11-02 19:26:47,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:26:45" (1/1) ... [2021-11-02 19:26:47,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:26:45" (1/1) ... [2021-11-02 19:26:47,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 19:26:47,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 19:26:47,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 19:26:47,251 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 19:26:47,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:26:45" (1/1) ... [2021-11-02 19:26:47,259 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 19:26:47,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-02 19:26:47,281 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) [2021-11-02 19:26:47,308 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 [2021-11-02 19:26:47,330 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_resume [2021-11-02 19:26:47,331 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_resume [2021-11-02 19:26:47,331 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_complete_request [2021-11-02 19:26:47,331 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_complete_request [2021-11-02 19:26:47,331 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_pullup [2021-11-02 19:26:47,332 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_pullup [2021-11-02 19:26:47,332 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_phy_disable [2021-11-02 19:26:47,332 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_phy_disable [2021-11-02 19:26:47,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-02 19:26:47,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-02 19:26:47,333 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_disconnect [2021-11-02 19:26:47,334 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_disconnect [2021-11-02 19:26:47,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 19:26:47,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-02 19:26:47,334 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_probe [2021-11-02 19:26:47,334 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_probe [2021-11-02 19:26:47,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-02 19:26:47,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-02 19:26:47,335 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_udc_stop [2021-11-02 19:26:47,335 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_udc_stop [2021-11-02 19:26:47,335 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_process_req_feature [2021-11-02 19:26:47,335 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_process_req_feature [2021-11-02 19:26:47,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-02 19:26:47,335 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-02 19:26:47,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-02 19:26:47,336 INFO L130 BoogieDeclarations]: Found specification of procedure usb_phy_init [2021-11-02 19:26:47,336 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_phy_init [2021-11-02 19:26:47,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-02 19:26:47,336 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_complete_setup [2021-11-02 19:26:47,336 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_complete_setup [2021-11-02 19:26:47,336 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_process_control [2021-11-02 19:26:47,336 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_process_control [2021-11-02 19:26:47,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-02 19:26:47,337 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_disable [2021-11-02 19:26:47,337 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_disable [2021-11-02 19:26:47,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-02 19:26:47,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-02 19:26:47,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-02 19:26:47,338 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-02 19:26:47,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-02 19:26:47,338 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_phy_enable [2021-11-02 19:26:47,338 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_phy_enable [2021-11-02 19:26:47,338 INFO L130 BoogieDeclarations]: Found specification of procedure kill_all_requests [2021-11-02 19:26:47,338 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_all_requests [2021-11-02 19:26:47,339 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_remove [2021-11-02 19:26:47,339 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_remove [2021-11-02 19:26:47,339 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-02 19:26:47,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-02 19:26:47,339 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_dequeue [2021-11-02 19:26:47,339 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_dequeue [2021-11-02 19:26:47,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 19:26:47,340 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-02 19:26:47,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-02 19:26:47,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 19:26:47,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 19:27:49,322 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 19:27:49,323 INFO L299 CfgBuilder]: Removed 4193 assume(true) statements. [2021-11-02 19:27:49,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 07:27:49 BoogieIcfgContainer [2021-11-02 19:27:49,332 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 19:27:49,334 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-02 19:27:49,334 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-02 19:27:49,337 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-02 19:27:49,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 07:26:42" (1/3) ... [2021-11-02 19:27:49,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4baf3707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 07:27:49, skipping insertion in model container [2021-11-02 19:27:49,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:26:45" (2/3) ... [2021-11-02 19:27:49,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4baf3707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 07:27:49, skipping insertion in model container [2021-11-02 19:27:49,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 07:27:49" (3/3) ... [2021-11-02 19:27:49,342 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i [2021-11-02 19:27:49,348 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-02 19:27:49,348 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-02 19:27:49,422 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-02 19:27:49,439 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 [2021-11-02 19:27:49,440 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-02 19:27:49,519 INFO L276 IsEmpty]: Start isEmpty. Operand has 4715 states, 4645 states have (on average 1.37502691065662) internal successors, (6387), 4655 states have internal predecessors, (6387), 43 states have call successors, (43), 20 states have call predecessors, (43), 20 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2021-11-02 19:27:49,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-02 19:27:49,534 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 19:27:49,535 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 19:27:49,535 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [s3c_hsotg_process_req_featureErr0ASSERT_VIOLATIONERROR_FUNCTION, s3c_hsotg_process_controlErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-02 19:27:49,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 19:27:49,541 INFO L85 PathProgramCache]: Analyzing trace with hash 468869916, now seen corresponding path program 1 times [2021-11-02 19:27:49,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 19:27:49,551 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070020614] [2021-11-02 19:27:49,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 19:27:49,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 19:27:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 19:27:50,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 19:27:50,595 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 19:27:50,595 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070020614] [2021-11-02 19:27:50,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070020614] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 19:27:50,596 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 19:27:50,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 19:27:50,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576036976] [2021-11-02 19:27:50,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 19:27:50,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 19:27:50,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 19:27:50,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 19:27:50,637 INFO L87 Difference]: Start difference. First operand has 4715 states, 4645 states have (on average 1.37502691065662) internal successors, (6387), 4655 states have internal predecessors, (6387), 43 states have call successors, (43), 20 states have call predecessors, (43), 20 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) 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) [2021-11-02 19:27:52,909 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 19:29:26,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 19:29:26,153 INFO L93 Difference]: Finished difference Result 9422 states and 12980 transitions. [2021-11-02 19:29:26,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 19:29:26,157 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 34 [2021-11-02 19:29:26,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 19:29:26,193 INFO L225 Difference]: With dead ends: 9422 [2021-11-02 19:29:26,193 INFO L226 Difference]: Without dead ends: 4618 [2021-11-02 19:29:26,216 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.27ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 19:29:26,220 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 0 mSDsluCounter, 6389 mSDsCounter, 0 mSdLazyCounter, 12445 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 89085.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 12450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 138.64ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12445 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 94432.73ms IncrementalHoareTripleChecker+Time [2021-11-02 19:29:26,221 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 348 Invalid, 12450 Unknown, 0 Unchecked, 138.64ms Time], IncrementalHoareTripleChecker [4 Valid, 12445 Invalid, 1 Unknown, 0 Unchecked, 94432.73ms Time] [2021-11-02 19:29:26,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4618 states. [2021-11-02 19:29:26,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4618 to 4618. [2021-11-02 19:29:26,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4618 states, 4549 states have (on average 1.348208397449989) internal successors, (6133), 4558 states have internal predecessors, (6133), 43 states have call successors, (43), 20 states have call predecessors, (43), 20 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2021-11-02 19:29:26,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4618 states to 4618 states and 6219 transitions. [2021-11-02 19:29:26,418 INFO L78 Accepts]: Start accepts. Automaton has 4618 states and 6219 transitions. Word has length 34 [2021-11-02 19:29:26,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 19:29:26,419 INFO L470 AbstractCegarLoop]: Abstraction has 4618 states and 6219 transitions. [2021-11-02 19:29:26,420 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) [2021-11-02 19:29:26,422 INFO L276 IsEmpty]: Start isEmpty. Operand 4618 states and 6219 transitions. [2021-11-02 19:29:26,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-02 19:29:26,431 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 19:29:26,431 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 19:29:26,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-02 19:29:26,432 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [s3c_hsotg_process_req_featureErr0ASSERT_VIOLATIONERROR_FUNCTION, s3c_hsotg_process_controlErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-02 19:29:26,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 19:29:26,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1679204309, now seen corresponding path program 1 times [2021-11-02 19:29:26,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 19:29:26,435 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916536088] [2021-11-02 19:29:26,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 19:29:26,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 19:29:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 19:29:27,024 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-02 19:29:27,025 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 19:29:27,025 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916536088] [2021-11-02 19:29:27,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916536088] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 19:29:27,025 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 19:29:27,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 19:29:27,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117159534] [2021-11-02 19:29:27,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 19:29:27,027 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 19:29:27,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 19:29:27,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 19:29:27,028 INFO L87 Difference]: Start difference. First operand 4618 states and 6219 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) [2021-11-02 19:29:29,118 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 19:31:21,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 19:31:21,503 INFO L93 Difference]: Finished difference Result 13093 states and 17648 transitions. [2021-11-02 19:31:21,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 19:31:21,504 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 37 [2021-11-02 19:31:21,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 19:31:21,547 INFO L225 Difference]: With dead ends: 13093 [2021-11-02 19:31:21,548 INFO L226 Difference]: Without dead ends: 8550 [2021-11-02 19:31:21,564 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 29.99ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 19:31:21,565 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 5291 mSDsluCounter, 6190 mSDsCounter, 0 mSdLazyCounter, 12309 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 105020.62ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5291 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 12311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 112.14ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12309 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 113281.36ms IncrementalHoareTripleChecker+Time [2021-11-02 19:31:21,565 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5291 Valid, 214 Invalid, 12311 Unknown, 0 Unchecked, 112.14ms Time], IncrementalHoareTripleChecker [1 Valid, 12309 Invalid, 1 Unknown, 0 Unchecked, 113281.36ms Time] [2021-11-02 19:31:21,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8550 states. [2021-11-02 19:31:21,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8550 to 8464. [2021-11-02 19:31:21,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8464 states, 8334 states have (on average 1.3506119510439165) internal successors, (11256), 8347 states have internal predecessors, (11256), 84 states have call successors, (84), 40 states have call predecessors, (84), 40 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2021-11-02 19:31:21,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8464 states to 8464 states and 11424 transitions. [2021-11-02 19:31:21,777 INFO L78 Accepts]: Start accepts. Automaton has 8464 states and 11424 transitions. Word has length 37 [2021-11-02 19:31:21,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 19:31:21,778 INFO L470 AbstractCegarLoop]: Abstraction has 8464 states and 11424 transitions. [2021-11-02 19:31:21,778 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) [2021-11-02 19:31:21,778 INFO L276 IsEmpty]: Start isEmpty. Operand 8464 states and 11424 transitions. [2021-11-02 19:31:21,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-02 19:31:21,784 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 19:31:21,784 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 19:31:21,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-02 19:31:21,785 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [s3c_hsotg_process_req_featureErr0ASSERT_VIOLATIONERROR_FUNCTION, s3c_hsotg_process_controlErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-02 19:31:21,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 19:31:21,785 INFO L85 PathProgramCache]: Analyzing trace with hash 664056267, now seen corresponding path program 1 times [2021-11-02 19:31:21,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 19:31:21,786 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170292958] [2021-11-02 19:31:21,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 19:31:21,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 19:31:22,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 19:31:22,442 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-02 19:31:22,443 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 19:31:22,443 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170292958] [2021-11-02 19:31:22,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170292958] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 19:31:22,443 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 19:31:22,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 19:31:22,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78174261] [2021-11-02 19:31:22,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 19:31:22,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 19:31:22,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 19:31:22,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 19:31:22,444 INFO L87 Difference]: Start difference. First operand 8464 states and 11424 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 2 states have internal predecessors, (77), 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) [2021-11-02 19:31:24,565 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 19:33:25,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 19:33:25,644 INFO L93 Difference]: Finished difference Result 11792 states and 15826 transitions. [2021-11-02 19:33:25,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 19:33:25,645 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 2 states have internal predecessors, (77), 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 78 [2021-11-02 19:33:25,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 19:33:25,723 INFO L225 Difference]: With dead ends: 11792 [2021-11-02 19:33:25,724 INFO L226 Difference]: Without dead ends: 11786 [2021-11-02 19:33:25,735 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 31.19ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 19:33:25,738 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 2786 mSDsluCounter, 5497 mSDsCounter, 0 mSdLazyCounter, 13320 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 111935.47ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2786 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 13340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 81.38ms SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 13320 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 122335.22ms IncrementalHoareTripleChecker+Time [2021-11-02 19:33:25,738 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2786 Valid, 181 Invalid, 13340 Unknown, 0 Unchecked, 81.38ms Time], IncrementalHoareTripleChecker [19 Valid, 13320 Invalid, 1 Unknown, 0 Unchecked, 122335.22ms Time] [2021-11-02 19:33:25,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11786 states. [2021-11-02 19:33:25,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11786 to 9264. [2021-11-02 19:33:26,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9264 states, 9097 states have (on average 1.3404419039243707) internal successors, (12194), 9113 states have internal predecessors, (12194), 104 states have call successors, (104), 58 states have call predecessors, (104), 58 states have return successors, (136), 104 states have call predecessors, (136), 104 states have call successors, (136) [2021-11-02 19:33:26,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9264 states to 9264 states and 12434 transitions. [2021-11-02 19:33:26,043 INFO L78 Accepts]: Start accepts. Automaton has 9264 states and 12434 transitions. Word has length 78 [2021-11-02 19:33:26,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 19:33:26,045 INFO L470 AbstractCegarLoop]: Abstraction has 9264 states and 12434 transitions. [2021-11-02 19:33:26,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 2 states have internal predecessors, (77), 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) [2021-11-02 19:33:26,046 INFO L276 IsEmpty]: Start isEmpty. Operand 9264 states and 12434 transitions. [2021-11-02 19:33:26,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-02 19:33:26,054 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 19:33:26,054 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 19:33:26,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-02 19:33:26,055 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting s3c_hsotg_process_controlErr1ASSERT_VIOLATIONERROR_FUNCTION === [s3c_hsotg_process_req_featureErr0ASSERT_VIOLATIONERROR_FUNCTION, s3c_hsotg_process_controlErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-02 19:33:26,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 19:33:26,055 INFO L85 PathProgramCache]: Analyzing trace with hash -426126554, now seen corresponding path program 1 times [2021-11-02 19:33:26,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 19:33:26,056 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334056471] [2021-11-02 19:33:26,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 19:33:26,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 19:33:26,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 19:33:26,751 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-02 19:33:26,751 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 19:33:26,751 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334056471] [2021-11-02 19:33:26,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334056471] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 19:33:26,752 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 19:33:26,752 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 19:33:26,752 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136513342] [2021-11-02 19:33:26,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 19:33:26,752 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 19:33:26,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 19:33:26,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 19:33:26,753 INFO L87 Difference]: Start difference. First operand 9264 states and 12434 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 19:33:28,876 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 19:35:58,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 19:35:58,856 INFO L93 Difference]: Finished difference Result 27142 states and 36486 transitions. [2021-11-02 19:35:58,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 19:35:58,856 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2021-11-02 19:35:58,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 19:35:58,935 INFO L225 Difference]: With dead ends: 27142 [2021-11-02 19:35:58,935 INFO L226 Difference]: Without dead ends: 17953 [2021-11-02 19:35:58,976 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 31.91ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 19:35:58,979 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 5944 mSDsluCounter, 6194 mSDsCounter, 0 mSdLazyCounter, 14365 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 135121.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5944 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 14367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 81.25ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14365 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 150935.33ms IncrementalHoareTripleChecker+Time [2021-11-02 19:35:58,980 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5944 Valid, 216 Invalid, 14367 Unknown, 0 Unchecked, 81.25ms Time], IncrementalHoareTripleChecker [1 Valid, 14365 Invalid, 1 Unknown, 0 Unchecked, 150935.33ms Time] [2021-11-02 19:35:59,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17953 states. [2021-11-02 19:35:59,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17953 to 17941. [2021-11-02 19:35:59,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17941 states, 17640 states have (on average 1.3438775510204082) internal successors, (23706), 17662 states have internal predecessors, (23706), 180 states have call successors, (180), 106 states have call predecessors, (180), 116 states have return successors, (242), 194 states have call predecessors, (242), 180 states have call successors, (242) [2021-11-02 19:35:59,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17941 states to 17941 states and 24128 transitions. [2021-11-02 19:35:59,432 INFO L78 Accepts]: Start accepts. Automaton has 17941 states and 24128 transitions. Word has length 101 [2021-11-02 19:35:59,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 19:35:59,435 INFO L470 AbstractCegarLoop]: Abstraction has 17941 states and 24128 transitions. [2021-11-02 19:35:59,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 19:35:59,435 INFO L276 IsEmpty]: Start isEmpty. Operand 17941 states and 24128 transitions. [2021-11-02 19:35:59,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-02 19:35:59,445 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 19:35:59,446 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 19:35:59,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-02 19:35:59,446 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting s3c_hsotg_process_controlErr1ASSERT_VIOLATIONERROR_FUNCTION === [s3c_hsotg_process_req_featureErr0ASSERT_VIOLATIONERROR_FUNCTION, s3c_hsotg_process_controlErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-02 19:35:59,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 19:35:59,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1502233144, now seen corresponding path program 1 times [2021-11-02 19:35:59,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 19:35:59,449 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480453383] [2021-11-02 19:35:59,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 19:35:59,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 19:35:59,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 19:35:59,999 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-02 19:35:59,999 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 19:35:59,999 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480453383] [2021-11-02 19:35:59,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480453383] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 19:35:59,999 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 19:36:00,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 19:36:00,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942926672] [2021-11-02 19:36:00,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 19:36:00,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 19:36:00,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 19:36:00,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 19:36:00,001 INFO L87 Difference]: Start difference. First operand 17941 states and 24128 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 1 states have call successors, (7), 1 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 19:36:02,114 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 19:38:29,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 19:38:29,264 INFO L93 Difference]: Finished difference Result 49511 states and 66641 transitions. [2021-11-02 19:38:29,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 19:38:29,265 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 1 states have call successors, (7), 1 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2021-11-02 19:38:29,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 19:38:29,374 INFO L225 Difference]: With dead ends: 49511 [2021-11-02 19:38:29,374 INFO L226 Difference]: Without dead ends: 31645 [2021-11-02 19:38:29,422 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 38.04ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 19:38:29,423 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 5970 mSDsluCounter, 6197 mSDsCounter, 0 mSdLazyCounter, 13667 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 130214.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5970 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 13669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 80.76ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13667 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 147965.89ms IncrementalHoareTripleChecker+Time [2021-11-02 19:38:29,424 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5970 Valid, 220 Invalid, 13669 Unknown, 0 Unchecked, 80.76ms Time], IncrementalHoareTripleChecker [1 Valid, 13667 Invalid, 1 Unknown, 0 Unchecked, 147965.89ms Time] [2021-11-02 19:38:29,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31645 states. [2021-11-02 19:38:30,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31645 to 31635. [2021-11-02 19:38:30,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31635 states, 31110 states have (on average 1.3450980392156864) internal successors, (41846), 31147 states have internal predecessors, (41846), 317 states have call successors, (317), 188 states have call predecessors, (317), 203 states have return successors, (426), 338 states have call predecessors, (426), 317 states have call successors, (426) [2021-11-02 19:38:30,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31635 states to 31635 states and 42589 transitions. [2021-11-02 19:38:30,150 INFO L78 Accepts]: Start accepts. Automaton has 31635 states and 42589 transitions. Word has length 107 [2021-11-02 19:38:30,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 19:38:30,151 INFO L470 AbstractCegarLoop]: Abstraction has 31635 states and 42589 transitions. [2021-11-02 19:38:30,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 1 states have call successors, (7), 1 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 19:38:30,152 INFO L276 IsEmpty]: Start isEmpty. Operand 31635 states and 42589 transitions. [2021-11-02 19:38:30,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-02 19:38:30,173 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 19:38:30,173 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 19:38:30,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-02 19:38:30,174 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting s3c_hsotg_process_controlErr1ASSERT_VIOLATIONERROR_FUNCTION === [s3c_hsotg_process_req_featureErr0ASSERT_VIOLATIONERROR_FUNCTION, s3c_hsotg_process_controlErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-02 19:38:30,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 19:38:30,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1514746379, now seen corresponding path program 1 times [2021-11-02 19:38:30,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 19:38:30,177 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961304264] [2021-11-02 19:38:30,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 19:38:30,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 19:38:30,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 19:38:30,718 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-02 19:38:30,718 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 19:38:30,718 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961304264] [2021-11-02 19:38:30,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961304264] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 19:38:30,718 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 19:38:30,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 19:38:30,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12496681] [2021-11-02 19:38:30,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 19:38:30,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 19:38:30,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 19:38:30,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 19:38:30,720 INFO L87 Difference]: Start difference. First operand 31635 states and 42589 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 19:38:32,844 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15