/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 18:45:34,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 18:45:34,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 18:45:34,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 18:45:34,186 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 18:45:34,187 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 18:45:34,189 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 18:45:34,191 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 18:45:34,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 18:45:34,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 18:45:34,195 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 18:45:34,196 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 18:45:34,197 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 18:45:34,198 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 18:45:34,199 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 18:45:34,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 18:45:34,202 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 18:45:34,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 18:45:34,216 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 18:45:34,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 18:45:34,227 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 18:45:34,229 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 18:45:34,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 18:45:34,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 18:45:34,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 18:45:34,244 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 18:45:34,244 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 18:45:34,245 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 18:45:34,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 18:45:34,250 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 18:45:34,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 18:45:34,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 18:45:34,254 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 18:45:34,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 18:45:34,256 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 18:45:34,257 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 18:45:34,258 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 18:45:34,258 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 18:45:34,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 18:45:34,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 18:45:34,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 18:45:34,263 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-29 18:45:34,319 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 18:45:34,320 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 18:45:34,321 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 18:45:34,321 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 18:45:34,321 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 18:45:34,322 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 18:45:34,322 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 18:45:34,323 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 18:45:34,323 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 18:45:34,323 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 18:45:34,324 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 18:45:34,324 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 18:45:34,325 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 18:45:34,325 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 18:45:34,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 18:45:34,325 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 18:45:34,326 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 18:45:34,326 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 18:45:34,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 18:45:34,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 18:45:34,327 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 18:45:34,327 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 18:45:34,327 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 18:45:34,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 18:45:34,328 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 18:45:34,328 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 18:45:34,328 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-29 18:45:34,328 INFO L138 SettingsManager]: * To the following directory=dump/ 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 18:45:34,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 18:45:34,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 18:45:34,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 18:45:34,748 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 18:45:34,749 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 18:45:34,750 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i [2020-10-29 18:45:34,837 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/754533894/413f764f9757466a92557f394ef8b896/FLAGb655553e5 [2020-10-29 18:45:36,014 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 18:45:36,016 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i [2020-10-29 18:45:36,079 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/754533894/413f764f9757466a92557f394ef8b896/FLAGb655553e5 [2020-10-29 18:45:36,437 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/754533894/413f764f9757466a92557f394ef8b896 [2020-10-29 18:45:36,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 18:45:36,447 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 18:45:36,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 18:45:36,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 18:45:36,452 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 18:45:36,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:45:36" (1/1) ... [2020-10-29 18:45:36,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14f0709d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:45:36, skipping insertion in model container [2020-10-29 18:45:36,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:45:36" (1/1) ... [2020-10-29 18:45:36,465 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 18:45:36,583 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 18:45:37,161 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3528] [2020-10-29 18:45:37,162 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3529-3530] [2020-10-29 18:45:38,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 18:45:38,646 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 18:45:38,757 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3528] [2020-10-29 18:45:38,758 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3529-3530] [2020-10-29 18:45:39,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 18:45:39,391 INFO L208 MainTranslator]: Completed translation [2020-10-29 18:45:39,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:45:39 WrapperNode [2020-10-29 18:45:39,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 18:45:39,395 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 18:45:39,395 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 18:45:39,395 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 18:45:39,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:45:39" (1/1) ... [2020-10-29 18:45:39,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:45:39" (1/1) ... [2020-10-29 18:45:39,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:45:39" (1/1) ... [2020-10-29 18:45:39,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:45:39" (1/1) ... [2020-10-29 18:45:39,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:45:39" (1/1) ... [2020-10-29 18:45:39,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:45:39" (1/1) ... [2020-10-29 18:45:39,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:45:39" (1/1) ... [2020-10-29 18:45:39,857 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 18:45:39,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 18:45:39,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 18:45:39,859 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 18:45:39,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:45:39" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 18:45:39,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 18:45:39,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 18:45:39,944 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 18:45:39,944 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2020-10-29 18:45:39,944 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2020-10-29 18:45:39,944 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2020-10-29 18:45:39,944 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2020-10-29 18:45:39,944 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-29 18:45:39,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_1 [2020-10-29 18:45:39,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_4 [2020-10-29 18:45:39,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_5 [2020-10-29 18:45:39,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_7 [2020-10-29 18:45:39,945 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2020-10-29 18:45:39,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-29 18:45:39,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_12 [2020-10-29 18:45:39,946 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2020-10-29 18:45:39,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kcalloc_14 [2020-10-29 18:45:39,946 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-29 18:45:39,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-29 18:45:39,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-29 18:45:39,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-29 18:45:39,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-29 18:45:39,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-29 18:45:39,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-29 18:45:39,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-29 18:45:39,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-29 18:45:39,947 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2020-10-29 18:45:39,947 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_assign_page [2020-10-29 18:45:39,948 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2020-10-29 18:45:39,948 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2020-10-29 18:45:39,948 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_buf [2020-10-29 18:45:39,948 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_virt [2020-10-29 18:45:39,948 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_type [2020-10-29 18:45:39,948 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2020-10-29 18:45:39,948 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2020-10-29 18:45:39,949 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-29 18:45:39,949 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-29 18:45:39,949 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-10-29 18:45:39,949 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-10-29 18:45:39,949 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-29 18:45:39,949 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-10-29 18:45:39,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-29 18:45:39,950 INFO L138 BoogieDeclarations]: Found implementation of procedure testdev_to_usbdev [2020-10-29 18:45:39,950 INFO L138 BoogieDeclarations]: Found implementation of procedure get_endpoints [2020-10-29 18:45:39,950 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_callback [2020-10-29 18:45:39,950 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_alloc_urb [2020-10-29 18:45:39,950 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_alloc_urb [2020-10-29 18:45:39,950 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_fill_buf [2020-10-29 18:45:39,950 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_offset [2020-10-29 18:45:39,951 INFO L138 BoogieDeclarations]: Found implementation of procedure check_guard_bytes [2020-10-29 18:45:39,951 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_check_buf [2020-10-29 18:45:39,951 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_free_urb [2020-10-29 18:45:39,951 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_io [2020-10-29 18:45:39,951 INFO L138 BoogieDeclarations]: Found implementation of procedure free_sglist [2020-10-29 18:45:39,951 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_sglist [2020-10-29 18:45:39,951 INFO L138 BoogieDeclarations]: Found implementation of procedure perform_sglist [2020-10-29 18:45:39,952 INFO L138 BoogieDeclarations]: Found implementation of procedure get_altsetting [2020-10-29 18:45:39,952 INFO L138 BoogieDeclarations]: Found implementation of procedure set_altsetting [2020-10-29 18:45:39,952 INFO L138 BoogieDeclarations]: Found implementation of procedure is_good_config [2020-10-29 18:45:39,952 INFO L138 BoogieDeclarations]: Found implementation of procedure is_good_ext [2020-10-29 18:45:39,952 INFO L138 BoogieDeclarations]: Found implementation of procedure is_good_ss_cap [2020-10-29 18:45:39,952 INFO L138 BoogieDeclarations]: Found implementation of procedure is_good_con_id [2020-10-29 18:45:39,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ch9_postconfig [2020-10-29 18:45:39,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_complete [2020-10-29 18:45:39,953 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ctrl_queue [2020-10-29 18:45:39,953 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink1_callback [2020-10-29 18:45:39,953 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink1 [2020-10-29 18:45:39,953 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_simple [2020-10-29 18:45:39,953 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_queued_callback [2020-10-29 18:45:39,953 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_queued [2020-10-29 18:45:39,954 INFO L138 BoogieDeclarations]: Found implementation of procedure verify_not_halted [2020-10-29 18:45:39,954 INFO L138 BoogieDeclarations]: Found implementation of procedure verify_halted [2020-10-29 18:45:39,954 INFO L138 BoogieDeclarations]: Found implementation of procedure test_halt [2020-10-29 18:45:39,954 INFO L138 BoogieDeclarations]: Found implementation of procedure halt_simple [2020-10-29 18:45:39,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_out [2020-10-29 18:45:39,954 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_callback [2020-10-29 18:45:39,954 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_alloc_urb [2020-10-29 18:45:39,954 INFO L138 BoogieDeclarations]: Found implementation of procedure test_iso_queue [2020-10-29 18:45:39,955 INFO L138 BoogieDeclarations]: Found implementation of procedure test_unaligned_bulk [2020-10-29 18:45:39,955 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_ioctl [2020-10-29 18:45:39,955 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_probe [2020-10-29 18:45:39,955 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_suspend [2020-10-29 18:45:39,955 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_resume [2020-10-29 18:45:39,955 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_disconnect [2020-10-29 18:45:39,955 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_init [2020-10-29 18:45:39,956 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtest_exit [2020-10-29 18:45:39,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-10-29 18:45:39,956 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 18:45:39,956 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-29 18:45:39,956 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2020-10-29 18:45:39,956 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-29 18:45:39,956 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2020-10-29 18:45:39,956 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-29 18:45:39,957 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2020-10-29 18:45:39,957 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-29 18:45:39,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_19 [2020-10-29 18:45:39,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_coherent_20 [2020-10-29 18:45:39,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_21 [2020-10-29 18:45:39,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_22 [2020-10-29 18:45:39,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_23 [2020-10-29 18:45:39,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_24 [2020-10-29 18:45:39,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_25 [2020-10-29 18:45:39,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_coherent_26 [2020-10-29 18:45:39,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_27 [2020-10-29 18:45:39,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_28 [2020-10-29 18:45:39,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_29 [2020-10-29 18:45:39,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_30 [2020-10-29 18:45:39,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_coherent_31 [2020-10-29 18:45:39,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_32 [2020-10-29 18:45:39,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_33 [2020-10-29 18:45:39,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_34 [2020-10-29 18:45:39,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-10-29 18:45:39,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-29 18:45:39,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-10-29 18:45:39,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-10-29 18:45:39,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-10-29 18:45:39,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-10-29 18:45:39,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2020-10-29 18:45:39,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2020-10-29 18:45:39,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-29 18:45:39,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-29 18:45:39,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2020-10-29 18:45:39,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-29 18:45:39,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __virt_addr_valid [2020-10-29 18:45:39,961 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-10-29 18:45:39,961 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-29 18:45:39,961 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2020-10-29 18:45:39,961 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-29 18:45:39,961 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2020-10-29 18:45:39,961 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2020-10-29 18:45:39,962 INFO L138 BoogieDeclarations]: Found implementation of procedure completion_done [2020-10-29 18:45:39,962 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-29 18:45:39,962 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2020-10-29 18:45:39,962 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2020-10-29 18:45:39,962 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-10-29 18:45:39,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-29 18:45:39,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-29 18:45:39,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2020-10-29 18:45:39,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-10-29 18:45:39,963 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2020-10-29 18:45:39,963 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-10-29 18:45:39,963 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2020-10-29 18:45:39,963 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-29 18:45:39,963 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2020-10-29 18:45:39,963 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2020-10-29 18:45:39,964 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-29 18:45:39,964 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2020-10-29 18:45:39,964 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-10-29 18:45:39,964 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-29 18:45:39,964 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2020-10-29 18:45:39,964 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-29 18:45:39,964 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_descriptor [2020-10-29 18:45:39,965 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_status [2020-10-29 18:45:39,965 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-29 18:45:39,965 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-29 18:45:39,965 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-10-29 18:45:39,965 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_init [2020-10-29 18:45:39,965 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_wait [2020-10-29 18:45:39,965 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_speed_string [2020-10-29 18:45:39,965 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-29 18:45:39,966 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2020-10-29 18:45:39,966 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2020-10-29 18:45:39,966 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2020-10-29 18:45:39,966 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-29 18:45:39,966 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-29 18:45:39,966 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-29 18:45:39,966 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 18:45:39,966 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 18:45:39,967 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-29 18:45:39,967 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-29 18:45:39,967 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 18:45:39,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 18:45:39,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-29 18:45:39,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-10-29 18:45:39,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-10-29 18:45:39,967 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2020-10-29 18:45:39,968 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2020-10-29 18:45:39,968 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2020-10-29 18:45:39,968 INFO L130 BoogieDeclarations]: Found specification of procedure __virt_addr_valid [2020-10-29 18:45:39,968 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-29 18:45:39,968 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2020-10-29 18:45:39,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 18:45:39,968 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2020-10-29 18:45:39,968 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2020-10-29 18:45:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2020-10-29 18:45:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-29 18:45:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-29 18:45:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2020-10-29 18:45:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-29 18:45:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2020-10-29 18:45:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-29 18:45:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_1 [2020-10-29 18:45:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-29 18:45:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_4 [2020-10-29 18:45:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2020-10-29 18:45:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_5 [2020-10-29 18:45:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-29 18:45:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_7 [2020-10-29 18:45:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2020-10-29 18:45:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2020-10-29 18:45:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-29 18:45:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-29 18:45:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2020-10-29 18:45:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-29 18:45:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2020-10-29 18:45:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 18:45:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2020-10-29 18:45:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2020-10-29 18:45:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure completion_done [2020-10-29 18:45:39,972 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2020-10-29 18:45:39,972 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2020-10-29 18:45:39,972 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-29 18:45:39,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-29 18:45:39,972 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-29 18:45:39,972 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-10-29 18:45:39,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_12 [2020-10-29 18:45:39,972 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-29 18:45:39,973 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2020-10-29 18:45:39,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kcalloc_14 [2020-10-29 18:45:39,973 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2020-10-29 18:45:39,973 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-29 18:45:39,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-10-29 18:45:39,973 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 18:45:39,973 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-29 18:45:39,973 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 18:45:39,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-29 18:45:39,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-29 18:45:39,974 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-29 18:45:39,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 18:45:39,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-29 18:45:39,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-29 18:45:39,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-29 18:45:39,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-29 18:45:39,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-29 18:45:39,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-29 18:45:39,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-29 18:45:39,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-10-29 18:45:39,975 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2020-10-29 18:45:39,975 INFO L130 BoogieDeclarations]: Found specification of procedure sg_assign_page [2020-10-29 18:45:39,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 18:45:39,975 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2020-10-29 18:45:39,975 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2020-10-29 18:45:39,976 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_buf [2020-10-29 18:45:39,976 INFO L130 BoogieDeclarations]: Found specification of procedure sg_virt [2020-10-29 18:45:39,976 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2020-10-29 18:45:39,976 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_type [2020-10-29 18:45:39,976 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2020-10-29 18:45:39,976 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2020-10-29 18:45:39,976 INFO L130 BoogieDeclarations]: Found specification of procedure usb_speed_string [2020-10-29 18:45:39,976 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-10-29 18:45:39,976 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-29 18:45:39,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 18:45:39,977 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-29 18:45:39,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 18:45:39,977 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-29 18:45:39,977 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2020-10-29 18:45:39,977 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-10-29 18:45:39,977 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-10-29 18:45:39,977 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-10-29 18:45:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-29 18:45:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-29 18:45:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_33 [2020-10-29 18:45:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-29 18:45:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_34 [2020-10-29 18:45:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-10-29 18:45:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-29 18:45:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_19 [2020-10-29 18:45:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_27 [2020-10-29 18:45:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_30 [2020-10-29 18:45:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-29 18:45:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-29 18:45:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_21 [2020-10-29 18:45:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_22 [2020-10-29 18:45:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_23 [2020-10-29 18:45:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_24 [2020-10-29 18:45:39,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_25 [2020-10-29 18:45:39,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_28 [2020-10-29 18:45:39,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_29 [2020-10-29 18:45:39,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_32 [2020-10-29 18:45:39,980 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2020-10-29 18:45:39,980 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-29 18:45:39,980 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2020-10-29 18:45:39,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_coherent_20 [2020-10-29 18:45:39,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_coherent_26 [2020-10-29 18:45:39,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_coherent_31 [2020-10-29 18:45:39,981 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2020-10-29 18:45:39,981 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-10-29 18:45:39,981 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_descriptor [2020-10-29 18:45:39,981 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_status [2020-10-29 18:45:39,981 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2020-10-29 18:45:39,981 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-10-29 18:45:39,982 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_init [2020-10-29 18:45:39,982 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_wait [2020-10-29 18:45:39,982 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-29 18:45:39,982 INFO L130 BoogieDeclarations]: Found specification of procedure testdev_to_usbdev [2020-10-29 18:45:39,982 INFO L130 BoogieDeclarations]: Found specification of procedure get_endpoints [2020-10-29 18:45:39,982 INFO L130 BoogieDeclarations]: Found specification of procedure simple_callback [2020-10-29 18:45:39,982 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_alloc_urb [2020-10-29 18:45:39,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-29 18:45:39,982 INFO L130 BoogieDeclarations]: Found specification of procedure simple_alloc_urb [2020-10-29 18:45:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure simple_fill_buf [2020-10-29 18:45:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_offset [2020-10-29 18:45:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure check_guard_bytes [2020-10-29 18:45:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure simple_check_buf [2020-10-29 18:45:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure simple_free_urb [2020-10-29 18:45:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure simple_io [2020-10-29 18:45:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure free_sglist [2020-10-29 18:45:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_sglist [2020-10-29 18:45:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure perform_sglist [2020-10-29 18:45:39,984 INFO L130 BoogieDeclarations]: Found specification of procedure get_altsetting [2020-10-29 18:45:39,984 INFO L130 BoogieDeclarations]: Found specification of procedure set_altsetting [2020-10-29 18:45:39,984 INFO L130 BoogieDeclarations]: Found specification of procedure is_good_config [2020-10-29 18:45:39,984 INFO L130 BoogieDeclarations]: Found specification of procedure is_good_ext [2020-10-29 18:45:39,984 INFO L130 BoogieDeclarations]: Found specification of procedure is_good_ss_cap [2020-10-29 18:45:39,984 INFO L130 BoogieDeclarations]: Found specification of procedure is_good_con_id [2020-10-29 18:45:39,984 INFO L130 BoogieDeclarations]: Found specification of procedure ch9_postconfig [2020-10-29 18:45:39,984 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_complete [2020-10-29 18:45:39,984 INFO L130 BoogieDeclarations]: Found specification of procedure test_ctrl_queue [2020-10-29 18:45:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure unlink1_callback [2020-10-29 18:45:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure unlink1 [2020-10-29 18:45:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_simple [2020-10-29 18:45:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_queued_callback [2020-10-29 18:45:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_queued [2020-10-29 18:45:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure verify_not_halted [2020-10-29 18:45:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure verify_halted [2020-10-29 18:45:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure test_halt [2020-10-29 18:45:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure halt_simple [2020-10-29 18:45:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_out [2020-10-29 18:45:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure iso_callback [2020-10-29 18:45:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure iso_alloc_urb [2020-10-29 18:45:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure test_iso_queue [2020-10-29 18:45:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure test_unaligned_bulk [2020-10-29 18:45:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_ioctl [2020-10-29 18:45:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_probe [2020-10-29 18:45:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_suspend [2020-10-29 18:45:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_resume [2020-10-29 18:45:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_disconnect [2020-10-29 18:45:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_init [2020-10-29 18:45:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure usbtest_exit [2020-10-29 18:45:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-29 18:45:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2020-10-29 18:45:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-29 18:45:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 18:45:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2020-10-29 18:45:39,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-10-29 18:45:39,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-29 18:45:39,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-10-29 18:45:39,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-10-29 18:45:39,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-29 18:45:39,988 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 18:45:39,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 18:45:39,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 18:45:39,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-29 18:45:39,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 18:45:41,926 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-29 18:45:51,309 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 18:45:51,310 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-29 18:45:51,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:45:51 BoogieIcfgContainer [2020-10-29 18:45:51,314 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 18:45:51,316 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 18:45:51,316 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 18:45:51,319 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 18:45:51,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 06:45:36" (1/3) ... [2020-10-29 18:45:51,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ac764d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:45:51, skipping insertion in model container [2020-10-29 18:45:51,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:45:39" (2/3) ... [2020-10-29 18:45:51,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ac764d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:45:51, skipping insertion in model container [2020-10-29 18:45:51,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:45:51" (3/3) ... [2020-10-29 18:45:51,323 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--misc--usbtest.ko-entry_point.cil.out.i [2020-10-29 18:45:51,335 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 18:45:51,342 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 18:45:51,356 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 18:45:51,391 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 18:45:51,391 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 18:45:51,391 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 18:45:51,391 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 18:45:51,392 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 18:45:51,392 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 18:45:51,392 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 18:45:51,392 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 18:45:51,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1711 states. [2020-10-29 18:45:51,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-29 18:45:51,452 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 18:45:51,453 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 18:45:51,454 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 18:45:51,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 18:45:51,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1304819059, now seen corresponding path program 1 times [2020-10-29 18:45:51,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 18:45:51,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1300824371] [2020-10-29 18:45:51,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 18:45:52,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:45:52,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:45:52,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:45:53,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:45:57,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:45:57,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-29 18:45:57,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 18:45:57,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5501 [2020-10-29 18:45:57,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:45:57,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:45:57,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:45:57,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-29 18:45:57,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:45:57,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 18:46:05,634 WARN L193 SmtUtils]: Spent 7.53 s on a formula simplification that was a NOOP. DAG size: 1072 [2020-10-29 18:46:05,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:46:05,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:46:05,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:46:07,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:46:07,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:46:07,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:46:07,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1359 [2020-10-29 18:46:07,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:46:07,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:46:07,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:46:07,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:46:07,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:46:07,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:46:07,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:46:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:46:07,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:46:07,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:46:07,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:46:07,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:46:07,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 18:46:07,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:46:07,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:46:07,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:46:07,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:46:07,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:46:07,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:46:07,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 18:46:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:46:07,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:46:07,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:46:07,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:46:07,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:46:07,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 18:46:07,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:46:07,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:46:07,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:46:07,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:46:07,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:46:07,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:46:07,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 18:46:07,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:46:07,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:46:07,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:46:07,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 18:46:07,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:46:07,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 18:46:07,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:46:07,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:46:07,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:46:07,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:46:07,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:46:07,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:46:07,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-29 18:46:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:46:07,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:46:07,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:46:07,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:46:07,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:46:07,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 18:46:07,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 18:46:07,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:46:07,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:46:07,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 18:46:07,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 18:46:07,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:46:07,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:46:07,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 18:46:07,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:46:07,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:46:07,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:46:07,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:46:07,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:46:07,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 18:46:07,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:46:07,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:46:07,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:46:07,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 18:46:07,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:46:07,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:46:07,415 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-29 18:46:07,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1300824371] [2020-10-29 18:46:07,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 18:46:07,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 18:46:07,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124134376] [2020-10-29 18:46:07,424 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 18:46:07,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 18:46:07,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 18:46:07,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-29 18:46:07,442 INFO L87 Difference]: Start difference. First operand 1711 states. Second operand 8 states. [2020-10-29 18:46:14,992 WARN L193 SmtUtils]: Spent 7.46 s on a formula simplification that was a NOOP. DAG size: 1081 [2020-10-29 18:46:25,773 WARN L193 SmtUtils]: Spent 7.37 s on a formula simplification that was a NOOP. DAG size: 1084 [2020-10-29 18:46:33,304 WARN L193 SmtUtils]: Spent 7.40 s on a formula simplification that was a NOOP. DAG size: 1086 [2020-10-29 18:46:41,126 WARN L193 SmtUtils]: Spent 7.35 s on a formula simplification that was a NOOP. DAG size: 1083 [2020-10-29 18:47:44,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 18:47:44,610 INFO L93 Difference]: Finished difference Result 3622 states and 5293 transitions. [2020-10-29 18:47:44,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 18:47:44,613 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 49 [2020-10-29 18:47:44,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 18:47:44,655 INFO L225 Difference]: With dead ends: 3622 [2020-10-29 18:47:44,655 INFO L226 Difference]: Without dead ends: 2006 [2020-10-29 18:47:44,676 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 37.6s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-10-29 18:47:44,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2006 states. [2020-10-29 18:47:45,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2006 to 1576. [2020-10-29 18:47:45,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2020-10-29 18:47:45,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 2188 transitions. [2020-10-29 18:47:45,452 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 2188 transitions. Word has length 49 [2020-10-29 18:47:45,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 18:47:45,454 INFO L481 AbstractCegarLoop]: Abstraction has 1576 states and 2188 transitions. [2020-10-29 18:47:45,454 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 18:47:45,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 2188 transitions. [2020-10-29 18:47:45,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-29 18:47:45,459 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 18:47:45,460 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2020-10-29 18:47:45,460 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 18:47:45,460 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 18:47:45,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 18:47:45,461 INFO L82 PathProgramCache]: Analyzing trace with hash -253001602, now seen corresponding path program 1 times [2020-10-29 18:47:45,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 18:47:45,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2095005596] [2020-10-29 18:47:45,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 18:47:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:47:45,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:47:47,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:47:52,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:47:52,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-29 18:47:52,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 18:47:52,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7038 [2020-10-29 18:47:52,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:47:52,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:47:52,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 18:47:52,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 18:47:52,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-29 18:47:52,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:48:00,180 WARN L193 SmtUtils]: Spent 7.14 s on a formula simplification that was a NOOP. DAG size: 1072 [2020-10-29 18:48:00,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:48:00,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:48:00,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:48:03,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:48:03,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:48:03,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:48:03,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3431 [2020-10-29 18:48:03,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:48:03,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:48:03,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:48:03,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:48:03,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 18:48:03,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:48:03,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:48:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:48:03,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:48:03,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:48:03,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:48:03,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:48:03,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 18:48:03,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:48:03,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:48:03,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:48:03,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:48:03,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:48:03,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:48:03,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 18:48:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:48:03,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:48:03,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:48:03,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:48:03,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:48:03,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 18:48:03,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:48:03,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:48:03,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:48:03,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:48:03,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:48:03,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:48:03,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 18:48:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:48:03,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:48:03,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:48:03,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 18:48:03,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:48:03,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 18:48:03,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:48:03,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:48:03,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:48:03,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:48:03,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 18:48:03,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:48:03,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-29 18:48:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:48:03,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:48:04,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:48:04,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:48:04,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 18:48:04,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 18:48:04,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-29 18:48:04,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:48:04,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:48:04,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:48:04,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:48:04,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 18:48:04,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:48:04,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 18:48:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:48:04,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:48:04,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:48:04,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-29 18:48:04,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:48:04,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-29 18:48:04,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:48:04,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:48:04,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:48:04,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:48:04,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-29 18:48:04,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:48:04,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 18:48:04,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:48:04,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:48:04,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:48:04,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-29 18:48:04,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:48:04,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 18:48:04,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:48:04,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:48:04,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:48:04,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:48:04,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:48:04,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:48:04,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:48:04,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:48:04,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:48:04,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:48:04,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:48:04,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:48:04,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 18:48:04,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:48:04,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:48:04,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:48:04,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:48:04,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:48:04,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:48:04,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:48:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:48:04,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:48:04,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:48:04,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 18:48:04,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:48:04,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 18:48:04,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:48:04,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:48:04,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:48:04,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:48:04,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:48:04,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:48:04,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:48:04,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:48:04,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:48:04,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:48:04,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:48:04,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:48:04,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 18:48:04,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:48:04,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:48:04,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:48:04,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:48:04,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:48:04,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:48:04,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-29 18:48:04,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:48:04,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:48:04,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:48:04,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:48:04,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:48:04,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 18:48:04,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:48:04,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:48:04,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:48:04,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:48:04,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 18:48:04,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:48:04,477 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-29 18:48:04,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2095005596] [2020-10-29 18:48:04,478 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 18:48:04,478 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 18:48:04,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771075522] [2020-10-29 18:48:04,481 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 18:48:04,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 18:48:04,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 18:48:04,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-29 18:48:04,482 INFO L87 Difference]: Start difference. First operand 1576 states and 2188 transitions. Second operand 9 states. [2020-10-29 18:48:11,761 WARN L193 SmtUtils]: Spent 7.25 s on a formula simplification that was a NOOP. DAG size: 1081 [2020-10-29 18:48:21,516 WARN L193 SmtUtils]: Spent 7.36 s on a formula simplification that was a NOOP. DAG size: 1083 [2020-10-29 18:48:28,996 WARN L193 SmtUtils]: Spent 7.26 s on a formula simplification that was a NOOP. DAG size: 1074