./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 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-alloc-spinlock_drivers-media-rc-imon.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 5a536358e61e0a2255e3ce0de609a7b791794491b46be2e56aac063bb1d719b1 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 05:03:41,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 05:03:41,157 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 05:03:41,186 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 05:03:41,186 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 05:03:41,187 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 05:03:41,188 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 05:03:41,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 05:03:41,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 05:03:41,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 05:03:41,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 05:03:41,194 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 05:03:41,194 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 05:03:41,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 05:03:41,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 05:03:41,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 05:03:41,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 05:03:41,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 05:03:41,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 05:03:41,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 05:03:41,207 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 05:03:41,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 05:03:41,212 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 05:03:41,212 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 05:03:41,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 05:03:41,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 05:03:41,220 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 05:03:41,221 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 05:03:41,222 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 05:03:41,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 05:03:41,223 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 05:03:41,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 05:03:41,225 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 05:03:41,227 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 05:03:41,228 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 05:03:41,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 05:03:41,229 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 05:03:41,230 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 05:03:41,230 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 05:03:41,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 05:03:41,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 05:03:41,233 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 05:03:41,255 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 05:03:41,256 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 05:03:41,256 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 05:03:41,256 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 05:03:41,257 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 05:03:41,257 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 05:03:41,258 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 05:03:41,258 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 05:03:41,258 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 05:03:41,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 05:03:41,259 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 05:03:41,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 05:03:41,259 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 05:03:41,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 05:03:41,259 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 05:03:41,259 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 05:03:41,260 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 05:03:41,260 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 05:03:41,260 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 05:03:41,260 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 05:03:41,260 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 05:03:41,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 05:03:41,261 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 05:03:41,261 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 05:03:41,261 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 05:03:41,261 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 05:03:41,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 05:03:41,270 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 05:03:41,270 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 05:03:41,270 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 05:03:41,271 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a536358e61e0a2255e3ce0de609a7b791794491b46be2e56aac063bb1d719b1 [2021-12-28 05:03:41,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 05:03:41,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 05:03:41,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 05:03:41,610 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 05:03:41,611 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 05:03:41,612 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i [2021-12-28 05:03:41,674 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba8093267/a8ae1ceab6b6413393dd2a356f3517d3/FLAG7132564c7 [2021-12-28 05:03:42,433 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 05:03:42,434 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i [2021-12-28 05:03:42,473 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba8093267/a8ae1ceab6b6413393dd2a356f3517d3/FLAG7132564c7 [2021-12-28 05:03:42,516 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba8093267/a8ae1ceab6b6413393dd2a356f3517d3 [2021-12-28 05:03:42,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 05:03:42,522 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 05:03:42,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 05:03:42,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 05:03:42,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 05:03:42,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:03:42" (1/1) ... [2021-12-28 05:03:42,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eab4e91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:03:42, skipping insertion in model container [2021-12-28 05:03:42,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:03:42" (1/1) ... [2021-12-28 05:03:42,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 05:03:42,664 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 05:03:44,529 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i[293480,293493] [2021-12-28 05:03:44,532 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i[293625,293638] [2021-12-28 05:03:44,549 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 05:03:44,585 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 05:03:44,896 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i[293480,293493] [2021-12-28 05:03:44,897 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i[293625,293638] [2021-12-28 05:03:44,901 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 05:03:45,026 INFO L208 MainTranslator]: Completed translation [2021-12-28 05:03:45,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:03:45 WrapperNode [2021-12-28 05:03:45,027 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 05:03:45,028 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 05:03:45,029 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 05:03:45,029 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 05:03:45,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:03:45" (1/1) ... [2021-12-28 05:03:45,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:03:45" (1/1) ... [2021-12-28 05:03:45,344 INFO L137 Inliner]: procedures = 363, calls = 2922, calls flagged for inlining = 178, calls inlined = 134, statements flattened = 4869 [2021-12-28 05:03:45,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 05:03:45,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 05:03:45,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 05:03:45,346 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 05:03:45,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:03:45" (1/1) ... [2021-12-28 05:03:45,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:03:45" (1/1) ... [2021-12-28 05:03:45,400 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:03:45" (1/1) ... [2021-12-28 05:03:45,401 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:03:45" (1/1) ... [2021-12-28 05:03:45,488 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:03:45" (1/1) ... [2021-12-28 05:03:45,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:03:45" (1/1) ... [2021-12-28 05:03:45,524 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:03:45" (1/1) ... [2021-12-28 05:03:45,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 05:03:45,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 05:03:45,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 05:03:45,554 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 05:03:45,555 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:03:45" (1/1) ... [2021-12-28 05:03:45,585 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 05:03:45,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 05:03:45,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-28 05:03:45,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-28 05:03:45,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-28 05:03:45,655 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-28 05:03:45,655 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-28 05:03:45,655 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-28 05:03:45,655 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-28 05:03:45,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 05:03:45,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 05:03:45,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 05:03:45,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 05:03:45,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 05:03:45,656 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 05:03:45,656 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2021-12-28 05:03:45,656 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2021-12-28 05:03:45,657 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-28 05:03:45,657 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-28 05:03:45,657 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2021-12-28 05:03:45,657 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2021-12-28 05:03:45,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 05:03:45,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 05:03:45,658 INFO L130 BoogieDeclarations]: Found specification of procedure send_packet [2021-12-28 05:03:45,658 INFO L138 BoogieDeclarations]: Found implementation of procedure send_packet [2021-12-28 05:03:45,658 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2021-12-28 05:03:45,658 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2021-12-28 05:03:45,658 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-28 05:03:45,658 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-28 05:03:45,658 INFO L130 BoogieDeclarations]: Found specification of procedure imon_disconnect [2021-12-28 05:03:45,659 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_disconnect [2021-12-28 05:03:45,659 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2021-12-28 05:03:45,659 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2021-12-28 05:03:45,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_5_4 [2021-12-28 05:03:45,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_5_4 [2021-12-28 05:03:45,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-12-28 05:03:45,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-12-28 05:03:45,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 05:03:45,660 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2021-12-28 05:03:45,660 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2021-12-28 05:03:45,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 05:03:45,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-28 05:03:45,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-28 05:03:45,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 05:03:45,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 05:03:45,661 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2021-12-28 05:03:45,661 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2021-12-28 05:03:45,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 05:03:45,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 05:03:45,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_imon_driver_exit_11_2 [2021-12-28 05:03:45,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_imon_driver_exit_11_2 [2021-12-28 05:03:45,662 INFO L130 BoogieDeclarations]: Found specification of procedure imon_resume [2021-12-28 05:03:45,662 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_resume [2021-12-28 05:03:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-28 05:03:45,663 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-28 05:03:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-28 05:03:45,663 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-28 05:03:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-28 05:03:45,664 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-28 05:03:45,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-28 05:03:45,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-28 05:03:45,665 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2021-12-28 05:03:45,665 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2021-12-28 05:03:45,665 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2021-12-28 05:03:45,665 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2021-12-28 05:03:45,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 05:03:45,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-28 05:03:45,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-28 05:03:45,666 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-28 05:03:45,666 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-28 05:03:45,666 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2021-12-28 05:03:45,667 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2021-12-28 05:03:45,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 05:03:45,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-28 05:03:45,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-28 05:03:45,668 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2021-12-28 05:03:45,668 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2021-12-28 05:03:45,668 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2021-12-28 05:03:45,668 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2021-12-28 05:03:45,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 05:03:45,668 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2021-12-28 05:03:45,668 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2021-12-28 05:03:45,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-28 05:03:45,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-28 05:03:45,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 05:03:45,669 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 05:03:45,669 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-28 05:03:45,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-28 05:03:45,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-28 05:03:45,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-28 05:03:45,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-28 05:03:45,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-28 05:03:45,670 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-28 05:03:45,670 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-28 05:03:45,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-28 05:03:45,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-28 05:03:45,671 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-12-28 05:03:45,671 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-12-28 05:03:45,671 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 05:03:45,672 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 05:03:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 05:03:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2021-12-28 05:03:45,672 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2021-12-28 05:03:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2021-12-28 05:03:45,673 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2021-12-28 05:03:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2021-12-28 05:03:45,673 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2021-12-28 05:03:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 05:03:45,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 05:03:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 05:03:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-28 05:03:45,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-28 05:03:45,674 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2021-12-28 05:03:45,674 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2021-12-28 05:03:45,674 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-28 05:03:45,674 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-28 05:03:45,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 05:03:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-28 05:03:45,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-28 05:03:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 05:03:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2021-12-28 05:03:45,676 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2021-12-28 05:03:45,678 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-28 05:03:45,678 INFO L130 BoogieDeclarations]: Found specification of procedure display_close [2021-12-28 05:03:45,678 INFO L138 BoogieDeclarations]: Found implementation of procedure display_close [2021-12-28 05:03:45,678 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2021-12-28 05:03:45,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2021-12-28 05:03:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-28 05:03:45,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-28 05:03:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-28 05:03:45,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-28 05:03:45,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-28 05:03:45,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-28 05:03:45,686 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2021-12-28 05:03:45,686 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2021-12-28 05:03:45,686 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-28 05:03:45,686 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-28 05:03:45,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-28 05:03:45,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-28 05:03:45,687 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2021-12-28 05:03:45,687 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2021-12-28 05:03:45,687 INFO L130 BoogieDeclarations]: Found specification of procedure imon_find_endpoints [2021-12-28 05:03:45,687 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_find_endpoints [2021-12-28 05:03:45,687 INFO L130 BoogieDeclarations]: Found specification of procedure display_open [2021-12-28 05:03:45,687 INFO L138 BoogieDeclarations]: Found implementation of procedure display_open [2021-12-28 05:03:45,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 05:03:45,688 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-12-28 05:03:45,688 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-12-28 05:03:45,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-28 05:03:45,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-28 05:03:45,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 05:03:45,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 05:03:46,311 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 05:03:46,314 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 05:03:46,617 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 05:04:03,206 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-28 05:04:03,242 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 05:04:03,254 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 05:04:03,255 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-28 05:04:03,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:04:03 BoogieIcfgContainer [2021-12-28 05:04:03,257 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 05:04:03,259 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 05:04:03,259 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 05:04:03,261 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 05:04:03,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 05:03:42" (1/3) ... [2021-12-28 05:04:03,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@255059e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:04:03, skipping insertion in model container [2021-12-28 05:04:03,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:03:45" (2/3) ... [2021-12-28 05:04:03,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@255059e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:04:03, skipping insertion in model container [2021-12-28 05:04:03,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:04:03" (3/3) ... [2021-12-28 05:04:03,263 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i [2021-12-28 05:04:03,267 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 05:04:03,267 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 05:04:03,334 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 05:04:03,343 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 05:04:03,343 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 05:04:03,385 INFO L276 IsEmpty]: Start isEmpty. Operand has 1366 states, 947 states have (on average 1.307286166842661) internal successors, (1238), 956 states have internal predecessors, (1238), 355 states have call successors, (355), 65 states have call predecessors, (355), 64 states have return successors, (349), 348 states have call predecessors, (349), 349 states have call successors, (349) [2021-12-28 05:04:03,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2021-12-28 05:04:03,417 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:04:03,418 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:04:03,418 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 05:04:03,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:04:03,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1456598668, now seen corresponding path program 1 times [2021-12-28 05:04:03,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:04:03,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331244073] [2021-12-28 05:04:03,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:04:03,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:04:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:04:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:04,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:04:04,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:04:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:04,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:04:04,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:04,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:04:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:04,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:04:04,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:04,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:04:04,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:04,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:04:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:04:04,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:04,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:04:04,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:04:04,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:04:04,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:04,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:04:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:04,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 05:04:04,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:04,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 05:04:04,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:04,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 05:04:04,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:04,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 05:04:04,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:04,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-28 05:04:04,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:04,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-28 05:04:04,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:04,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-28 05:04:04,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-28 05:04:04,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:04,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-28 05:04:04,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-28 05:04:04,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-28 05:04:04,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:04,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-12-28 05:04:04,614 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:04:04,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331244073] [2021-12-28 05:04:04,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331244073] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:04:04,615 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:04:04,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 05:04:04,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806281664] [2021-12-28 05:04:04,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:04:04,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 05:04:04,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:04:04,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 05:04:04,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 05:04:04,658 INFO L87 Difference]: Start difference. First operand has 1366 states, 947 states have (on average 1.307286166842661) internal successors, (1238), 956 states have internal predecessors, (1238), 355 states have call successors, (355), 65 states have call predecessors, (355), 64 states have return successors, (349), 348 states have call predecessors, (349), 349 states have call successors, (349) Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-28 05:04:10,933 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 05:04:12,759 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 05:04:14,801 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 05:04:17,440 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 05:04:19,469 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 05:04:21,567 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 05:04:24,320 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 05:04:25,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:04:25,180 INFO L93 Difference]: Finished difference Result 3490 states and 5058 transitions. [2021-12-28 05:04:25,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 05:04:25,183 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 272 [2021-12-28 05:04:25,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:04:25,210 INFO L225 Difference]: With dead ends: 3490 [2021-12-28 05:04:25,210 INFO L226 Difference]: Without dead ends: 2093 [2021-12-28 05:04:25,220 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-28 05:04:25,223 INFO L933 BasicCegarLoop]: 2015 mSDtfsCounter, 1521 mSDsluCounter, 2986 mSDsCounter, 0 mSdLazyCounter, 2031 mSolverCounterSat, 1330 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1692 SdHoareTripleChecker+Valid, 5001 SdHoareTripleChecker+Invalid, 3365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1330 IncrementalHoareTripleChecker+Valid, 2031 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.2s IncrementalHoareTripleChecker+Time [2021-12-28 05:04:25,224 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1692 Valid, 5001 Invalid, 3365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1330 Valid, 2031 Invalid, 4 Unknown, 0 Unchecked, 20.2s Time] [2021-12-28 05:04:25,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2093 states. [2021-12-28 05:04:25,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2093 to 2032. [2021-12-28 05:04:25,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2032 states, 1443 states have (on average 1.3049203049203049) internal successors, (1883), 1455 states have internal predecessors, (1883), 492 states have call successors, (492), 96 states have call predecessors, (492), 96 states have return successors, (492), 489 states have call predecessors, (492), 492 states have call successors, (492) [2021-12-28 05:04:25,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2032 states to 2032 states and 2867 transitions. [2021-12-28 05:04:25,420 INFO L78 Accepts]: Start accepts. Automaton has 2032 states and 2867 transitions. Word has length 272 [2021-12-28 05:04:25,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:04:25,423 INFO L470 AbstractCegarLoop]: Abstraction has 2032 states and 2867 transitions. [2021-12-28 05:04:25,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-28 05:04:25,423 INFO L276 IsEmpty]: Start isEmpty. Operand 2032 states and 2867 transitions. [2021-12-28 05:04:25,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2021-12-28 05:04:25,436 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:04:25,437 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 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] [2021-12-28 05:04:25,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 05:04:25,438 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 05:04:25,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:04:25,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1145822950, now seen corresponding path program 1 times [2021-12-28 05:04:25,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:04:25,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761978138] [2021-12-28 05:04:25,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:04:25,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:04:25,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:25,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:04:25,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:25,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:25,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:25,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:04:25,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:25,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:25,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:04:25,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:25,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:25,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:25,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:04:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:25,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:25,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:25,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:04:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:25,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:25,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:25,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:04:25,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:25,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:25,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:04:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:25,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:25,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:04:25,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:25,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:25,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:04:25,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:25,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:25,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:04:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:25,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:25,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:04:25,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:25,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:25,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:04:25,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:25,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:25,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:25,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:04:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:25,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:26,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 05:04:26,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:26,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:26,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 05:04:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:26,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:26,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:26,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 05:04:26,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:26,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:26,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 05:04:26,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:26,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:26,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-28 05:04:26,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:26,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:26,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-28 05:04:26,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:26,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:26,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:26,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-28 05:04:26,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:26,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-28 05:04:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:26,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:04:26,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:26,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:04:26,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:26,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:04:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:26,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-28 05:04:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:26,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-28 05:04:26,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:26,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-28 05:04:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:26,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-28 05:04:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:04:26,224 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1600 trivial. 0 not checked. [2021-12-28 05:04:26,224 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:04:26,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761978138] [2021-12-28 05:04:26,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761978138] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:04:26,225 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:04:26,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 05:04:26,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616948905] [2021-12-28 05:04:26,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:04:26,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 05:04:26,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:04:26,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 05:04:26,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 05:04:26,229 INFO L87 Difference]: Start difference. First operand 2032 states and 2867 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-12-28 05:04:30,895 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 05:04:32,074 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 05:04:34,134 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 05:04:35,835 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 05:04:38,586 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 05:04:41,004 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 05:04:43,120 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 05:04:45,269 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 05:04:46,794 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []