./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c36dfa3b 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.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 a521111bd175d3310336dcb5a96ef10ad6928036ed2148cdf12f5390a99f6bb7 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-c36dfa3 [2021-11-04 12:45:21,130 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-04 12:45:21,132 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-04 12:45:21,159 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-04 12:45:21,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-04 12:45:21,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-04 12:45:21,166 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-04 12:45:21,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-04 12:45:21,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-04 12:45:21,176 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-04 12:45:21,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-04 12:45:21,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-04 12:45:21,179 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-04 12:45:21,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-04 12:45:21,181 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-04 12:45:21,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-04 12:45:21,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-04 12:45:21,186 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-04 12:45:21,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-04 12:45:21,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-04 12:45:21,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-04 12:45:21,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-04 12:45:21,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-04 12:45:21,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-04 12:45:21,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-04 12:45:21,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-04 12:45:21,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-04 12:45:21,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-04 12:45:21,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-04 12:45:21,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-04 12:45:21,208 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-04 12:45:21,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-04 12:45:21,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-04 12:45:21,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-04 12:45:21,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-04 12:45:21,212 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-04 12:45:21,213 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-04 12:45:21,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-04 12:45:21,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-04 12:45:21,214 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-04 12:45:21,215 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-04 12:45:21,216 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-04 12:45:21,245 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-04 12:45:21,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-04 12:45:21,246 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-04 12:45:21,246 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-04 12:45:21,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-04 12:45:21,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-04 12:45:21,248 INFO L138 SettingsManager]: * Use SBE=true [2021-11-04 12:45:21,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-04 12:45:21,248 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-04 12:45:21,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-04 12:45:21,249 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-04 12:45:21,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-04 12:45:21,249 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-04 12:45:21,249 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-04 12:45:21,249 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-04 12:45:21,250 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-04 12:45:21,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-04 12:45:21,250 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-04 12:45:21,250 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-04 12:45:21,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 12:45:21,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-04 12:45:21,250 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-04 12:45:21,251 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-04 12:45:21,251 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-04 12:45:21,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-04 12:45:21,251 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-04 12:45:21,251 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-04 12:45:21,253 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-04 12:45:21,253 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-04 12:45:21,253 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a521111bd175d3310336dcb5a96ef10ad6928036ed2148cdf12f5390a99f6bb7 [2021-11-04 12:45:21,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-04 12:45:21,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-04 12:45:21,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-04 12:45:21,470 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-04 12:45:21,472 INFO L275 PluginConnector]: CDTParser initialized [2021-11-04 12:45:21,473 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2021-11-04 12:45:21,555 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d9e765e8/512c911756e44c98afe3041d5a2c6868/FLAG389d691d1 [2021-11-04 12:45:22,297 INFO L306 CDTParser]: Found 1 translation units. [2021-11-04 12:45:22,299 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2021-11-04 12:45:22,347 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d9e765e8/512c911756e44c98afe3041d5a2c6868/FLAG389d691d1 [2021-11-04 12:45:22,373 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d9e765e8/512c911756e44c98afe3041d5a2c6868 [2021-11-04 12:45:22,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-04 12:45:22,377 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-04 12:45:22,378 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-04 12:45:22,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-04 12:45:22,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-04 12:45:22,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 12:45:22" (1/1) ... [2021-11-04 12:45:22,382 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a3205c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:45:22, skipping insertion in model container [2021-11-04 12:45:22,382 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 12:45:22" (1/1) ... [2021-11-04 12:45:22,386 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-04 12:45:22,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-04 12:45:25,476 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599511,599524] [2021-11-04 12:45:25,478 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599658,599671] [2021-11-04 12:45:25,479 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599797,599810] [2021-11-04 12:45:25,479 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599955,599968] [2021-11-04 12:45:25,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 12:45:25,552 INFO L203 MainTranslator]: Completed pre-run [2021-11-04 12:45:26,073 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599511,599524] [2021-11-04 12:45:26,074 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599658,599671] [2021-11-04 12:45:26,074 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599797,599810] [2021-11-04 12:45:26,075 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-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[599955,599968] [2021-11-04 12:45:26,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 12:45:26,339 INFO L208 MainTranslator]: Completed translation [2021-11-04 12:45:26,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:45:26 WrapperNode [2021-11-04 12:45:26,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-04 12:45:26,341 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-04 12:45:26,341 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-04 12:45:26,341 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-04 12:45:26,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:45:26" (1/1) ... [2021-11-04 12:45:26,517 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:45:26" (1/1) ... [2021-11-04 12:45:27,606 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-04 12:45:27,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-04 12:45:27,608 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-04 12:45:27,608 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-04 12:45:27,616 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:45:26" (1/1) ... [2021-11-04 12:45:27,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:45:26" (1/1) ... [2021-11-04 12:45:27,900 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:45:26" (1/1) ... [2021-11-04 12:45:27,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:45:26" (1/1) ... [2021-11-04 12:45:28,330 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:45:26" (1/1) ... [2021-11-04 12:45:28,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:45:26" (1/1) ... [2021-11-04 12:45:28,494 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:45:26" (1/1) ... [2021-11-04 12:45:28,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-04 12:45:28,806 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-04 12:45:28,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-04 12:45:28,807 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-04 12:45:28,824 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:45:26" (1/1) ... [2021-11-04 12:45:28,829 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 12:45:28,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-04 12:45:28,846 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) [2021-11-04 12:45:28,887 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 [2021-11-04 12:45:28,912 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-11-04 12:45:28,912 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-04 12:45:28,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-04 12:45:28,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-04 12:45:28,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-04 12:45:28,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-04 12:45:28,913 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-11-04 12:45:28,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-04 12:45:28,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-04 12:45:28,913 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-04 12:45:28,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-04 12:45:28,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-04 12:45:28,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-04 12:45:28,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-04 12:45:28,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-04 12:45:28,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-04 12:45:28,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-04 12:45:28,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-04 12:45:28,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-04 12:48:57,803 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11600-3: __copy_from_user_nocheck_#t~ret1212 := copy_user_generic_#res;__copy_from_user_nocheck_~tmp___2~10 := __copy_from_user_nocheck_#t~ret1212;havoc __copy_from_user_nocheck_#t~ret1212;__copy_from_user_nocheck_#res := (if __copy_from_user_nocheck_~tmp___2~10 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_nocheck_~tmp___2~10 % 18446744073709551616 % 4294967296 else __copy_from_user_nocheck_~tmp___2~10 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-04 12:48:57,804 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11600-5: __copy_to_user_nocheck_#t~ret1217 := copy_user_generic_#res;__copy_to_user_nocheck_~tmp___2~11 := __copy_to_user_nocheck_#t~ret1217;havoc __copy_to_user_nocheck_#t~ret1217;__copy_to_user_nocheck_#res := (if __copy_to_user_nocheck_~tmp___2~11 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_nocheck_~tmp___2~11 % 18446744073709551616 % 4294967296 else __copy_to_user_nocheck_~tmp___2~11 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-04 12:48:57,804 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11600-1: __copy_from_user_nocheck_#t~ret1212 := copy_user_generic_#res;__copy_from_user_nocheck_~tmp___2~10 := __copy_from_user_nocheck_#t~ret1212;havoc __copy_from_user_nocheck_#t~ret1212;__copy_from_user_nocheck_#res := (if __copy_from_user_nocheck_~tmp___2~10 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_nocheck_~tmp___2~10 % 18446744073709551616 % 4294967296 else __copy_from_user_nocheck_~tmp___2~10 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-04 12:48:57,804 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11600-7: __copy_to_user_nocheck_#t~ret1217 := copy_user_generic_#res;__copy_to_user_nocheck_~tmp___2~11 := __copy_to_user_nocheck_#t~ret1217;havoc __copy_to_user_nocheck_#t~ret1217;__copy_to_user_nocheck_#res := (if __copy_to_user_nocheck_~tmp___2~11 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_nocheck_~tmp___2~11 % 18446744073709551616 % 4294967296 else __copy_to_user_nocheck_~tmp___2~11 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-04 12:48:57,804 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11619-1: __copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-04 12:48:57,804 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11619: __copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-04 12:48:57,804 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#2: ldv_switch_2_#res := 0; [2021-11-04 12:48:57,804 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11622-1: assume 2 == __copy_from_user_nocheck_~size % 4294967296; [2021-11-04 12:48:57,805 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11622-1: assume !(2 == __copy_from_user_nocheck_~size % 4294967296); [2021-11-04 12:48:57,805 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11622: assume 2 == __copy_from_user_nocheck_~size % 4294967296; [2021-11-04 12:48:57,805 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11622: assume !(2 == __copy_from_user_nocheck_~size % 4294967296); [2021-11-04 12:48:57,805 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11623-1: __copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-04 12:48:57,805 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11623: __copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-04 12:48:57,805 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11626: assume 4 == __copy_from_user_nocheck_~size % 4294967296; [2021-11-04 12:48:57,805 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11626: assume !(4 == __copy_from_user_nocheck_~size % 4294967296); [2021-11-04 12:48:57,805 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11626-1: assume 4 == __copy_from_user_nocheck_~size % 4294967296; [2021-11-04 12:48:57,805 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11626-1: assume !(4 == __copy_from_user_nocheck_~size % 4294967296); [2021-11-04 12:48:57,806 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11627-1: __copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-04 12:48:57,806 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11627: __copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-04 12:48:57,806 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11630-1: assume 8 == __copy_from_user_nocheck_~size % 4294967296; [2021-11-04 12:48:57,806 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11630-1: assume !(8 == __copy_from_user_nocheck_~size % 4294967296); [2021-11-04 12:48:57,806 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11630: assume 8 == __copy_from_user_nocheck_~size % 4294967296; [2021-11-04 12:48:57,806 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11630: assume !(8 == __copy_from_user_nocheck_~size % 4294967296); [2021-11-04 12:48:57,806 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11631-1: __copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-04 12:48:57,806 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11631: __copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-04 12:48:57,807 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11634: assume 10 == __copy_from_user_nocheck_~size % 4294967296; [2021-11-04 12:48:57,807 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11634: assume !(10 == __copy_from_user_nocheck_~size % 4294967296); [2021-11-04 12:48:57,807 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11634-1: assume 10 == __copy_from_user_nocheck_~size % 4294967296; [2021-11-04 12:48:57,807 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11634-1: assume !(10 == __copy_from_user_nocheck_~size % 4294967296); [2021-11-04 12:48:57,807 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11635-1: ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_from_user_nocheck_~ret~17 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 12:48:57,807 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11635: ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_from_user_nocheck_~ret~17 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 12:48:57,807 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11638-1: assume 16 == __copy_from_user_nocheck_~size % 4294967296; [2021-11-04 12:48:57,808 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11638-1: assume !(16 == __copy_from_user_nocheck_~size % 4294967296); [2021-11-04 12:48:57,808 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11638: assume 16 == __copy_from_user_nocheck_~size % 4294967296; [2021-11-04 12:48:57,808 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11638: assume !(16 == __copy_from_user_nocheck_~size % 4294967296); [2021-11-04 12:48:57,808 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11639-1: ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_from_user_nocheck_~ret~17 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 12:48:57,808 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11639: ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_from_user_nocheck_~ret~17 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 12:48:57,808 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11642: copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_from_user_nocheck_~dst.base, __copy_from_user_nocheck_~dst.offset, __copy_from_user_nocheck_~src.base, __copy_from_user_nocheck_~src.offset, __copy_from_user_nocheck_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~16;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~16;copy_user_generic_#res := copy_user_generic_~ret~16 % 4294967296; [2021-11-04 12:48:57,808 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11642-1: copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_from_user_nocheck_~dst.base, __copy_from_user_nocheck_~dst.offset, __copy_from_user_nocheck_~src.base, __copy_from_user_nocheck_~src.offset, __copy_from_user_nocheck_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~16;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~16;copy_user_generic_#res := copy_user_generic_~ret~16 % 4294967296; [2021-11-04 12:48:57,809 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0; [2021-11-04 12:48:57,809 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11670-1: assume 0 != __copy_from_user_nocheck_~tmp___0~25;__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-04 12:48:57,809 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11670-1: assume !(0 != __copy_from_user_nocheck_~tmp___0~25);__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-04 12:48:57,809 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11670: assume 0 != __copy_from_user_nocheck_~tmp___0~25;__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-04 12:48:57,809 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11670: assume !(0 != __copy_from_user_nocheck_~tmp___0~25);__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-04 12:48:57,809 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11685-1: assume 0 != __copy_from_user_nocheck_~tmp___1~14;__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-04 12:48:57,809 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11685-1: assume !(0 != __copy_from_user_nocheck_~tmp___1~14);__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-04 12:48:57,809 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11685: assume 0 != __copy_from_user_nocheck_~tmp___1~14;__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-04 12:48:57,810 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11685: assume !(0 != __copy_from_user_nocheck_~tmp___1~14);__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-04 12:48:57,810 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11728: __copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-04 12:48:57,810 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11728-1: __copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-04 12:48:57,810 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11731-1: assume 2 == __copy_to_user_nocheck_~size % 4294967296; [2021-11-04 12:48:57,810 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11731-1: assume !(2 == __copy_to_user_nocheck_~size % 4294967296); [2021-11-04 12:48:57,810 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11731: assume 2 == __copy_to_user_nocheck_~size % 4294967296; [2021-11-04 12:48:57,810 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11731: assume !(2 == __copy_to_user_nocheck_~size % 4294967296); [2021-11-04 12:48:57,811 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11732: __copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-04 12:48:57,811 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11732-1: __copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-04 12:48:57,811 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11735-1: assume 4 == __copy_to_user_nocheck_~size % 4294967296; [2021-11-04 12:48:57,811 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11735-1: assume !(4 == __copy_to_user_nocheck_~size % 4294967296); [2021-11-04 12:48:57,811 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11735: assume 4 == __copy_to_user_nocheck_~size % 4294967296; [2021-11-04 12:48:57,811 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11735: assume !(4 == __copy_to_user_nocheck_~size % 4294967296); [2021-11-04 12:48:57,811 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11736: __copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-04 12:48:57,811 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11736-1: __copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-04 12:48:57,812 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11739-1: assume 8 == __copy_to_user_nocheck_~size % 4294967296; [2021-11-04 12:48:57,812 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11739-1: assume !(8 == __copy_to_user_nocheck_~size % 4294967296); [2021-11-04 12:48:57,812 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11739: assume 8 == __copy_to_user_nocheck_~size % 4294967296; [2021-11-04 12:48:57,812 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11739: assume !(8 == __copy_to_user_nocheck_~size % 4294967296); [2021-11-04 12:48:57,812 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11740: __copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-04 12:48:57,812 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11740-1: __copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-04 12:48:57,812 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11743-1: assume 10 == __copy_to_user_nocheck_~size % 4294967296; [2021-11-04 12:48:57,812 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11743-1: assume !(10 == __copy_to_user_nocheck_~size % 4294967296); [2021-11-04 12:48:57,813 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11743: assume 10 == __copy_to_user_nocheck_~size % 4294967296; [2021-11-04 12:48:57,813 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11743: assume !(10 == __copy_to_user_nocheck_~size % 4294967296); [2021-11-04 12:48:57,813 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11744: ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_nocheck_~ret~18 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 12:48:57,813 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11744-1: ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_nocheck_~ret~18 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 12:48:57,813 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11747-1: assume 16 == __copy_to_user_nocheck_~size % 4294967296; [2021-11-04 12:48:57,813 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11747-1: assume !(16 == __copy_to_user_nocheck_~size % 4294967296); [2021-11-04 12:48:57,813 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11747: assume 16 == __copy_to_user_nocheck_~size % 4294967296; [2021-11-04 12:48:57,813 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11747: assume !(16 == __copy_to_user_nocheck_~size % 4294967296); [2021-11-04 12:48:57,814 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11748: ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_nocheck_~ret~18 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 12:48:57,814 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11748-1: ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_nocheck_~ret~18 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 12:48:57,814 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11751-1: copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_to_user_nocheck_~dst.base, __copy_to_user_nocheck_~dst.offset, __copy_to_user_nocheck_~src.base, __copy_to_user_nocheck_~src.offset, __copy_to_user_nocheck_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~16;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~16;copy_user_generic_#res := copy_user_generic_~ret~16 % 4294967296; [2021-11-04 12:48:57,814 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11751: copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_to_user_nocheck_~dst.base, __copy_to_user_nocheck_~dst.offset, __copy_to_user_nocheck_~src.base, __copy_to_user_nocheck_~src.offset, __copy_to_user_nocheck_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~16;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~16;copy_user_generic_#res := copy_user_generic_~ret~16 % 4294967296; [2021-11-04 12:48:57,814 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11774-1: assume 0 != __copy_to_user_nocheck_~tmp___0~26;__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-04 12:48:57,814 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11774-1: assume !(0 != __copy_to_user_nocheck_~tmp___0~26);__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-04 12:48:57,814 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11774: assume 0 != __copy_to_user_nocheck_~tmp___0~26;__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-04 12:48:57,815 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11774: assume !(0 != __copy_to_user_nocheck_~tmp___0~26);__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-04 12:48:57,815 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11788: assume 0 != __copy_to_user_nocheck_~tmp___1~15;__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-04 12:48:57,815 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11788: assume !(0 != __copy_to_user_nocheck_~tmp___1~15);__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-04 12:48:57,815 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11788-1: assume 0 != __copy_to_user_nocheck_~tmp___1~15;__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-04 12:48:57,815 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L11788-1: assume !(0 != __copy_to_user_nocheck_~tmp___1~15);__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-04 12:48:57,815 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0; [2021-11-04 12:48:57,816 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5990: assume 1 == __copy_from_user_nocheck_~size % 4294967296; [2021-11-04 12:48:57,816 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5991: assume !(1 == __copy_from_user_nocheck_~size % 4294967296); [2021-11-04 12:48:57,816 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-04 12:48:57,816 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_4_switch_break: ldv_switch_4_#res := 0; [2021-11-04 12:48:57,817 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6073: assume 1 == __copy_from_user_nocheck_~size % 4294967296; [2021-11-04 12:48:57,817 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6074: assume !(1 == __copy_from_user_nocheck_~size % 4294967296); [2021-11-04 12:48:57,817 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_3_switch_break: ldv_switch_3_#res := 0; [2021-11-04 12:48:57,818 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6228: assume !(1 == __copy_to_user_nocheck_~size % 4294967296); [2021-11-04 12:48:57,818 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6227: assume 1 == __copy_to_user_nocheck_~size % 4294967296; [2021-11-04 12:48:57,818 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6176: assume 1 == __copy_to_user_nocheck_~size % 4294967296; [2021-11-04 12:48:57,818 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6177: assume !(1 == __copy_to_user_nocheck_~size % 4294967296); [2021-11-04 12:48:57,818 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break: ldv_switch_2_#res := 0; [2021-11-04 12:48:57,819 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L20889-5: __copy_from_user_nocheck_#t~ret1210 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret1210 && __copy_from_user_nocheck_#t~ret1210 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___0~25 := __copy_from_user_nocheck_#t~ret1210;havoc __copy_from_user_nocheck_#t~ret1210; [2021-11-04 12:48:57,819 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L20889-6: __copy_from_user_nocheck_#t~ret1211 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret1211 && __copy_from_user_nocheck_#t~ret1211 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___1~14 := __copy_from_user_nocheck_#t~ret1211;havoc __copy_from_user_nocheck_#t~ret1211; [2021-11-04 12:48:57,819 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L20889-17: __copy_to_user_nocheck_#t~ret1216 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret1216 && __copy_to_user_nocheck_#t~ret1216 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___1~15 := __copy_to_user_nocheck_#t~ret1216;havoc __copy_to_user_nocheck_#t~ret1216; [2021-11-04 12:48:57,819 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L20889-16: __copy_to_user_nocheck_#t~ret1215 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret1215 && __copy_to_user_nocheck_#t~ret1215 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___0~26 := __copy_to_user_nocheck_#t~ret1215;havoc __copy_to_user_nocheck_#t~ret1215; [2021-11-04 12:48:57,819 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L20889-9: __copy_from_user_nocheck_#t~ret1210 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret1210 && __copy_from_user_nocheck_#t~ret1210 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___0~25 := __copy_from_user_nocheck_#t~ret1210;havoc __copy_from_user_nocheck_#t~ret1210; [2021-11-04 12:48:57,819 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L20889-10: __copy_from_user_nocheck_#t~ret1211 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret1211 && __copy_from_user_nocheck_#t~ret1211 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___1~14 := __copy_from_user_nocheck_#t~ret1211;havoc __copy_from_user_nocheck_#t~ret1211; [2021-11-04 12:48:57,820 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L20889-13: __copy_to_user_nocheck_#t~ret1215 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret1215 && __copy_to_user_nocheck_#t~ret1215 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___0~26 := __copy_to_user_nocheck_#t~ret1215;havoc __copy_to_user_nocheck_#t~ret1215; [2021-11-04 12:48:57,820 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L20889-14: __copy_to_user_nocheck_#t~ret1216 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret1216 && __copy_to_user_nocheck_#t~ret1216 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___1~15 := __copy_to_user_nocheck_#t~ret1216;havoc __copy_to_user_nocheck_#t~ret1216; [2021-11-04 12:48:57,820 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0; [2021-11-04 12:48:57,841 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-04 12:48:57,842 INFO L299 CfgBuilder]: Removed 5897 assume(true) statements. [2021-11-04 12:48:57,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 12:48:57 BoogieIcfgContainer [2021-11-04 12:48:57,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-04 12:48:57,849 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-04 12:48:57,849 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-04 12:48:57,852 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-04 12:48:57,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 12:45:22" (1/3) ... [2021-11-04 12:48:57,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70cacaab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 12:48:57, skipping insertion in model container [2021-11-04 12:48:57,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:45:26" (2/3) ... [2021-11-04 12:48:57,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70cacaab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 12:48:57, skipping insertion in model container [2021-11-04 12:48:57,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 12:48:57" (3/3) ... [2021-11-04 12:48:57,854 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2021-11-04 12:48:57,857 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-04 12:48:57,858 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2021-11-04 12:48:57,901 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-04 12:48:57,906 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 [2021-11-04 12:48:57,906 INFO L340 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2021-11-04 12:48:57,977 INFO L276 IsEmpty]: Start isEmpty. Operand has 7128 states, 7118 states have (on average 1.3818488339421187) internal successors, (9836), 7127 states have internal predecessors, (9836), 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) [2021-11-04 12:48:57,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-04 12:48:57,988 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 12:48:57,989 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, 1, 1, 1, 1, 1] [2021-11-04 12:48:57,989 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-04 12:48:57,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 12:48:57,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1897720244, now seen corresponding path program 1 times [2021-11-04 12:48:58,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 12:48:58,003 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196343762] [2021-11-04 12:48:58,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 12:48:58,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 12:48:58,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 12:48:59,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 12:48:59,080 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 12:48:59,080 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196343762] [2021-11-04 12:48:59,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196343762] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 12:48:59,081 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 12:48:59,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 12:48:59,082 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525443534] [2021-11-04 12:48:59,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 12:48:59,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 12:48:59,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 12:48:59,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 12:48:59,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 12:48:59,131 INFO L87 Difference]: Start difference. First operand has 7128 states, 7118 states have (on average 1.3818488339421187) internal successors, (9836), 7127 states have internal predecessors, (9836), 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 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 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) [2021-11-04 12:49:01,394 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 12:49:57,521 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 12:50:00,811 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 12:50:18,141 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 12:50:48,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 12:50:48,117 INFO L93 Difference]: Finished difference Result 20436 states and 28279 transitions. [2021-11-04 12:50:48,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 12:50:48,119 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 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 112 [2021-11-04 12:50:48,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 12:50:48,169 INFO L225 Difference]: With dead ends: 20436 [2021-11-04 12:50:48,169 INFO L226 Difference]: Without dead ends: 13052 [2021-11-04 12:50:48,182 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.36ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 12:50:48,184 INFO L933 BasicCegarLoop]: 334 mSDtfsCounter, 9018 mSDsluCounter, 9633 mSDsCounter, 0 mSdLazyCounter, 18769 mSolverCounterSat, 17 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 99139.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9018 SdHoareTripleChecker+Valid, 661 SdHoareTripleChecker+Invalid, 18789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 162.17ms SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 18769 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 106930.33ms IncrementalHoareTripleChecker+Time [2021-11-04 12:50:48,185 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9018 Valid, 661 Invalid, 18789 Unknown, 0 Unchecked, 162.17ms Time], IncrementalHoareTripleChecker [17 Valid, 18769 Invalid, 3 Unknown, 0 Unchecked, 106930.33ms Time] [2021-11-04 12:50:48,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13052 states. [2021-11-04 12:50:48,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13052 to 13033. [2021-11-04 12:50:48,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13033 states, 13023 states have (on average 1.3479996928511095) internal successors, (17555), 13032 states have internal predecessors, (17555), 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) [2021-11-04 12:50:48,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13033 states to 13033 states and 17555 transitions. [2021-11-04 12:50:48,535 INFO L78 Accepts]: Start accepts. Automaton has 13033 states and 17555 transitions. Word has length 112 [2021-11-04 12:50:48,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 12:50:48,536 INFO L470 AbstractCegarLoop]: Abstraction has 13033 states and 17555 transitions. [2021-11-04 12:50:48,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 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) [2021-11-04 12:50:48,538 INFO L276 IsEmpty]: Start isEmpty. Operand 13033 states and 17555 transitions. [2021-11-04 12:50:48,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-04 12:50:48,544 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 12:50:48,544 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 12:50:48,544 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-04 12:50:48,544 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-04 12:50:48,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 12:50:48,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1918343768, now seen corresponding path program 1 times [2021-11-04 12:50:48,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 12:50:48,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94789881] [2021-11-04 12:50:48,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 12:50:48,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 12:50:48,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 12:50:49,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 12:50:49,011 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 12:50:49,011 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94789881] [2021-11-04 12:50:49,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94789881] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 12:50:49,012 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 12:50:49,012 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 12:50:49,012 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304620090] [2021-11-04 12:50:49,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 12:50:49,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 12:50:49,013 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 12:50:49,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 12:50:49,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 12:50:49,013 INFO L87 Difference]: Start difference. First operand 13033 states and 17555 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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) [2021-11-04 12:50:51,166 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 12:51:27,151 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 12:52:15,461 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 12:52:24,786 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 12:52:30,223 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 12:52:37,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 12:52:37,889 INFO L93 Difference]: Finished difference Result 29183 states and 39297 transitions. [2021-11-04 12:52:37,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 12:52:37,892 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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 136 [2021-11-04 12:52:37,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 12:52:37,964 INFO L225 Difference]: With dead ends: 29183 [2021-11-04 12:52:37,964 INFO L226 Difference]: Without dead ends: 16402 [2021-11-04 12:52:37,992 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.82ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 12:52:37,995 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 2287 mSDsluCounter, 9039 mSDsCounter, 0 mSdLazyCounter, 18153 mSolverCounterSat, 16 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 100101.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2287 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 18172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 104.42ms SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 18153 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 107566.23ms IncrementalHoareTripleChecker+Time [2021-11-04 12:52:37,996 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2287 Valid, 0 Invalid, 18172 Unknown, 0 Unchecked, 104.42ms Time], IncrementalHoareTripleChecker [16 Valid, 18153 Invalid, 3 Unknown, 0 Unchecked, 107566.23ms Time] [2021-11-04 12:52:38,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16402 states. [2021-11-04 12:52:38,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16402 to 16362. [2021-11-04 12:52:38,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16362 states, 16352 states have (on average 1.3431996086105675) internal successors, (21964), 16361 states have internal predecessors, (21964), 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) [2021-11-04 12:52:38,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16362 states to 16362 states and 21964 transitions. [2021-11-04 12:52:38,326 INFO L78 Accepts]: Start accepts. Automaton has 16362 states and 21964 transitions. Word has length 136 [2021-11-04 12:52:38,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 12:52:38,327 INFO L470 AbstractCegarLoop]: Abstraction has 16362 states and 21964 transitions. [2021-11-04 12:52:38,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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) [2021-11-04 12:52:38,330 INFO L276 IsEmpty]: Start isEmpty. Operand 16362 states and 21964 transitions. [2021-11-04 12:52:38,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-11-04 12:52:38,337 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 12:52:38,337 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 12:52:38,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-04 12:52:38,337 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-04 12:52:38,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 12:52:38,338 INFO L85 PathProgramCache]: Analyzing trace with hash -93805013, now seen corresponding path program 1 times [2021-11-04 12:52:38,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 12:52:38,338 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651679853] [2021-11-04 12:52:38,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 12:52:38,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 12:52:38,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 12:52:38,870 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 12:52:38,870 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 12:52:38,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651679853] [2021-11-04 12:52:38,871 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651679853] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 12:52:38,871 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 12:52:38,871 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 12:52:38,871 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401832022] [2021-11-04 12:52:38,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 12:52:38,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 12:52:38,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 12:52:38,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 12:52:38,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 12:52:38,872 INFO L87 Difference]: Start difference. First operand 16362 states and 21964 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 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) [2021-11-04 12:52:41,062 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 12:53:21,886 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 12:53:30,352 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 12:54:36,422 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 12:54:51,945 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 12:55:11,371 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-04 12:55:15,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 12:55:15,307 INFO L93 Difference]: Finished difference Result 34305 states and 46050 transitions. [2021-11-04 12:55:15,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 12:55:15,308 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 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 153 [2021-11-04 12:55:15,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 12:55:15,348 INFO L225 Difference]: With dead ends: 34305 [2021-11-04 12:55:15,348 INFO L226 Difference]: Without dead ends: 18195 [2021-11-04 12:55:15,370 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.77ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 12:55:15,373 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 8602 mSDsluCounter, 9051 mSDsCounter, 0 mSdLazyCounter, 24471 mSolverCounterSat, 8 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 141988.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8602 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 24483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 128.50ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 24471 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 154849.08ms IncrementalHoareTripleChecker+Time [2021-11-04 12:55:15,374 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8602 Valid, 0 Invalid, 24483 Unknown, 0 Unchecked, 128.50ms Time], IncrementalHoareTripleChecker [8 Valid, 24471 Invalid, 4 Unknown, 0 Unchecked, 154849.08ms Time] [2021-11-04 12:55:15,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18195 states. [2021-11-04 12:55:15,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18195 to 18148. [2021-11-04 12:55:15,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18148 states, 18138 states have (on average 1.340666005072224) internal successors, (24317), 18147 states have internal predecessors, (24317), 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) [2021-11-04 12:55:15,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18148 states to 18148 states and 24317 transitions. [2021-11-04 12:55:15,694 INFO L78 Accepts]: Start accepts. Automaton has 18148 states and 24317 transitions. Word has length 153 [2021-11-04 12:55:15,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 12:55:15,695 INFO L470 AbstractCegarLoop]: Abstraction has 18148 states and 24317 transitions. [2021-11-04 12:55:15,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 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) [2021-11-04 12:55:15,695 INFO L276 IsEmpty]: Start isEmpty. Operand 18148 states and 24317 transitions. [2021-11-04 12:55:15,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-04 12:55:15,702 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 12:55:15,702 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 12:55:15,702 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-04 12:55:15,703 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-04 12:55:15,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 12:55:15,703 INFO L85 PathProgramCache]: Analyzing trace with hash 947510081, now seen corresponding path program 1 times [2021-11-04 12:55:15,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 12:55:15,703 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359437595] [2021-11-04 12:55:15,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 12:55:15,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 12:55:15,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 12:55:16,360 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 12:55:16,360 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 12:55:16,360 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359437595] [2021-11-04 12:55:16,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359437595] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 12:55:16,360 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 12:55:16,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-04 12:55:16,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427179700] [2021-11-04 12:55:16,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 12:55:16,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-04 12:55:16,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 12:55:16,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-04 12:55:16,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-04 12:55:16,361 INFO L87 Difference]: Start difference. First operand 18148 states and 24317 transitions. Second operand has 6 states, 6 states have (on average 27.166666666666668) internal successors, (163), 6 states have internal predecessors, (163), 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) [2021-11-04 12:55:18,531 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 12:55:54,795 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 12:56:01,507 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 12:57:05,806 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 12:57:23,294 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 12:57:27,849 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 12:57:29,371 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 12:59:12,434 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 12:59:33,705 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15