/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy CAMEL_NO_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 22:40:18,120 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 22:40:18,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 22:40:18,133 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 22:40:18,134 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 22:40:18,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 22:40:18,136 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 22:40:18,138 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 22:40:18,140 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 22:40:18,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 22:40:18,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 22:40:18,143 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 22:40:18,143 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 22:40:18,144 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 22:40:18,145 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 22:40:18,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 22:40:18,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 22:40:18,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 22:40:18,150 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 22:40:18,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 22:40:18,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 22:40:18,156 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 22:40:18,157 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 22:40:18,158 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 22:40:18,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 22:40:18,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 22:40:18,161 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 22:40:18,162 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 22:40:18,163 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 22:40:18,164 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 22:40:18,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 22:40:18,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 22:40:18,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 22:40:18,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 22:40:18,167 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 22:40:18,167 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 22:40:18,168 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 22:40:18,168 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 22:40:18,169 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 22:40:18,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 22:40:18,170 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 22:40:18,171 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-07-19 22:40:18,186 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 22:40:18,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 22:40:18,187 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 22:40:18,188 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 22:40:18,188 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 22:40:18,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 22:40:18,188 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 22:40:18,188 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 22:40:18,189 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 22:40:18,189 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 22:40:18,189 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 22:40:18,189 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 22:40:18,189 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 22:40:18,190 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 22:40:18,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 22:40:18,190 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 22:40:18,190 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 22:40:18,190 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 22:40:18,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:40:18,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 22:40:18,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 22:40:18,191 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 22:40:18,191 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 22:40:18,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 22:40:18,192 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 22:40:18,192 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 22:40:18,192 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-19 22:40:18,192 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_NO_AM [2020-07-19 22:40:18,463 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 22:40:18,481 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 22:40:18,488 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 22:40:18,490 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 22:40:18,491 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 22:40:18,491 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i [2020-07-19 22:40:18,554 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/807f1cceb/2dc10912ed3c41f19c804d3b0fc12a1f/FLAG195b4b4be [2020-07-19 22:40:19,313 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 22:40:19,315 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i [2020-07-19 22:40:19,347 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/807f1cceb/2dc10912ed3c41f19c804d3b0fc12a1f/FLAG195b4b4be [2020-07-19 22:40:19,425 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/807f1cceb/2dc10912ed3c41f19c804d3b0fc12a1f [2020-07-19 22:40:19,438 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 22:40:19,441 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 22:40:19,443 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 22:40:19,443 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 22:40:19,447 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 22:40:19,448 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:40:19" (1/1) ... [2020-07-19 22:40:19,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3424ef1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:40:19, skipping insertion in model container [2020-07-19 22:40:19,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:40:19" (1/1) ... [2020-07-19 22:40:19,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 22:40:19,549 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 22:40:20,066 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2384] [2020-07-19 22:40:20,067 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2385-2386] [2020-07-19 22:40:20,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:40:20,359 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 22:40:20,454 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2384] [2020-07-19 22:40:20,455 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2385-2386] [2020-07-19 22:40:20,519 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:40:20,577 INFO L208 MainTranslator]: Completed translation [2020-07-19 22:40:20,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:40:20 WrapperNode [2020-07-19 22:40:20,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 22:40:20,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 22:40:20,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 22:40:20,580 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 22:40:20,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:40:20" (1/1) ... [2020-07-19 22:40:20,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:40:20" (1/1) ... [2020-07-19 22:40:20,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:40:20" (1/1) ... [2020-07-19 22:40:20,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:40:20" (1/1) ... [2020-07-19 22:40:20,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:40:20" (1/1) ... [2020-07-19 22:40:20,695 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:40:20" (1/1) ... [2020-07-19 22:40:20,706 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:40:20" (1/1) ... [2020-07-19 22:40:20,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 22:40:20,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 22:40:20,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 22:40:20,719 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 22:40:20,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:40:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-19 22:40:20,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 22:40:20,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 22:40:20,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-07-19 22:40:20,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-07-19 22:40:20,847 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-07-19 22:40:20,848 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-07-19 22:40:20,848 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-19 22:40:20,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-07-19 22:40:20,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-07-19 22:40:20,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-07-19 22:40:20,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-07-19 22:40:20,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-07-19 22:40:20,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-07-19 22:40:20,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-07-19 22:40:20,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-07-19 22:40:20,855 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-07-19 22:40:20,856 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2020-07-19 22:40:20,856 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_parse [2020-07-19 22:40:20,856 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_start [2020-07-19 22:40:20,857 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_stop [2020-07-19 22:40:20,857 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_open [2020-07-19 22:40:20,857 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_close [2020-07-19 22:40:20,857 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_request [2020-07-19 22:40:20,858 INFO L138 BoogieDeclarations]: Found implementation of procedure axff_play [2020-07-19 22:40:20,858 INFO L138 BoogieDeclarations]: Found implementation of procedure axff_init [2020-07-19 22:40:20,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ax_probe [2020-07-19 22:40:20,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ax_remove [2020-07-19 22:40:20,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ax_driver_init [2020-07-19 22:40:20,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ax_driver_exit [2020-07-19 22:40:20,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_hid_driver_1 [2020-07-19 22:40:20,860 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 22:40:20,860 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-07-19 22:40:20,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-07-19 22:40:20,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-07-19 22:40:20,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-07-19 22:40:20,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-07-19 22:40:20,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-07-19 22:40:20,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-07-19 22:40:20,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2020-07-19 22:40:20,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __hid_register_driver [2020-07-19 22:40:20,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __hid_request [2020-07-19 22:40:20,863 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-07-19 22:40:20,863 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-07-19 22:40:20,863 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2020-07-19 22:40:20,863 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_connect [2020-07-19 22:40:20,864 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_disconnect [2020-07-19 22:40:20,864 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_open_report [2020-07-19 22:40:20,864 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_unregister_driver [2020-07-19 22:40:20,865 INFO L138 BoogieDeclarations]: Found implementation of procedure input_ff_create_memless [2020-07-19 22:40:20,865 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-07-19 22:40:20,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-07-19 22:40:20,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-07-19 22:40:20,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-07-19 22:40:20,866 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-07-19 22:40:20,867 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-07-19 22:40:20,867 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-07-19 22:40:20,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 22:40:20,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-07-19 22:40:20,868 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-07-19 22:40:20,868 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-07-19 22:40:20,869 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2020-07-19 22:40:20,869 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-07-19 22:40:20,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 22:40:20,869 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-07-19 22:40:20,870 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-07-19 22:40:20,870 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-07-19 22:40:20,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-07-19 22:40:20,870 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 22:40:20,870 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-19 22:40:20,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 22:40:20,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-07-19 22:40:20,872 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-19 22:40:20,872 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-19 22:40:20,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-07-19 22:40:20,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 22:40:20,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-07-19 22:40:20,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-07-19 22:40:20,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-07-19 22:40:20,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-07-19 22:40:20,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-07-19 22:40:20,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-07-19 22:40:20,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-07-19 22:40:20,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_hid_driver_1 [2020-07-19 22:40:20,877 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-07-19 22:40:20,877 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-07-19 22:40:20,878 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2020-07-19 22:40:20,878 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-07-19 22:40:20,879 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2020-07-19 22:40:20,879 INFO L130 BoogieDeclarations]: Found specification of procedure input_ff_create_memless [2020-07-19 22:40:20,879 INFO L130 BoogieDeclarations]: Found specification of procedure __hid_register_driver [2020-07-19 22:40:20,879 INFO L130 BoogieDeclarations]: Found specification of procedure hid_unregister_driver [2020-07-19 22:40:20,880 INFO L130 BoogieDeclarations]: Found specification of procedure __hid_request [2020-07-19 22:40:20,880 INFO L130 BoogieDeclarations]: Found specification of procedure hid_open_report [2020-07-19 22:40:20,880 INFO L130 BoogieDeclarations]: Found specification of procedure hid_connect [2020-07-19 22:40:20,880 INFO L130 BoogieDeclarations]: Found specification of procedure hid_disconnect [2020-07-19 22:40:20,880 INFO L130 BoogieDeclarations]: Found specification of procedure hid_parse [2020-07-19 22:40:20,881 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_start [2020-07-19 22:40:20,881 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-07-19 22:40:20,881 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-07-19 22:40:20,881 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_stop [2020-07-19 22:40:20,882 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_open [2020-07-19 22:40:20,882 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_close [2020-07-19 22:40:20,882 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_request [2020-07-19 22:40:20,882 INFO L130 BoogieDeclarations]: Found specification of procedure axff_play [2020-07-19 22:40:20,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 22:40:20,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 22:40:20,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 22:40:20,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 22:40:20,884 INFO L130 BoogieDeclarations]: Found specification of procedure axff_init [2020-07-19 22:40:20,885 INFO L130 BoogieDeclarations]: Found specification of procedure ax_probe [2020-07-19 22:40:20,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 22:40:20,885 INFO L130 BoogieDeclarations]: Found specification of procedure ax_remove [2020-07-19 22:40:20,885 INFO L130 BoogieDeclarations]: Found specification of procedure ax_driver_init [2020-07-19 22:40:20,886 INFO L130 BoogieDeclarations]: Found specification of procedure ax_driver_exit [2020-07-19 22:40:20,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-07-19 22:40:20,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-07-19 22:40:20,887 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 22:40:20,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-07-19 22:40:20,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-07-19 22:40:20,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-07-19 22:40:20,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-07-19 22:40:20,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-07-19 22:40:20,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-07-19 22:40:20,891 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 22:40:20,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 22:40:20,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 22:40:20,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-07-19 22:40:20,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 22:40:25,950 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-07-19 22:40:26,492 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 22:40:26,493 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-19 22:40:26,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:40:26 BoogieIcfgContainer [2020-07-19 22:40:26,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 22:40:26,505 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 22:40:26,505 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 22:40:26,509 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 22:40:26,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:40:19" (1/3) ... [2020-07-19 22:40:26,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec444de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:40:26, skipping insertion in model container [2020-07-19 22:40:26,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:40:20" (2/3) ... [2020-07-19 22:40:26,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec444de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:40:26, skipping insertion in model container [2020-07-19 22:40:26,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:40:26" (3/3) ... [2020-07-19 22:40:26,520 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i [2020-07-19 22:40:26,533 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 22:40:26,545 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 22:40:26,560 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 22:40:26,592 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 22:40:26,593 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 22:40:26,593 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 22:40:26,593 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 22:40:26,593 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 22:40:26,593 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 22:40:26,593 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 22:40:26,593 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 22:40:26,622 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states. [2020-07-19 22:40:26,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-07-19 22:40:26,638 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:40:26,639 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:40:26,640 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:40:26,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:40:26,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1545756631, now seen corresponding path program 1 times [2020-07-19 22:40:26,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 22:40:26,658 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49533298] [2020-07-19 22:40:26,658 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@497398d [2020-07-19 22:40:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:40:27,419 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-07-19 22:40:27,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:40:27,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:40:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:40:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:40:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:40:27,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:40:27,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:40:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:40:27,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:40:27,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:40:27,567 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49533298] [2020-07-19 22:40:27,568 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:40:27,568 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-19 22:40:27,569 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178179428] [2020-07-19 22:40:27,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 22:40:27,575 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 22:40:27,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 22:40:27,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-19 22:40:27,593 INFO L87 Difference]: Start difference. First operand 250 states. Second operand 5 states. [2020-07-19 22:40:27,917 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-07-19 22:40:28,306 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-07-19 22:40:28,639 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-07-19 22:40:30,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:40:30,891 INFO L93 Difference]: Finished difference Result 564 states and 711 transitions. [2020-07-19 22:40:30,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-19 22:40:30,894 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2020-07-19 22:40:30,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:40:30,912 INFO L225 Difference]: With dead ends: 564 [2020-07-19 22:40:30,912 INFO L226 Difference]: Without dead ends: 286 [2020-07-19 22:40:30,918 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:40:30,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-07-19 22:40:31,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 214. [2020-07-19 22:40:31,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-07-19 22:40:31,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 249 transitions. [2020-07-19 22:40:31,036 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 249 transitions. Word has length 71 [2020-07-19 22:40:31,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:40:31,037 INFO L479 AbstractCegarLoop]: Abstraction has 214 states and 249 transitions. [2020-07-19 22:40:31,037 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 22:40:31,037 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 249 transitions. [2020-07-19 22:40:31,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-07-19 22:40:31,049 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:40:31,049 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:40:31,050 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 22:40:31,050 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:40:31,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:40:31,051 INFO L82 PathProgramCache]: Analyzing trace with hash 345320668, now seen corresponding path program 1 times [2020-07-19 22:40:31,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 22:40:31,052 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517562024] [2020-07-19 22:40:31,052 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@497398d [2020-07-19 22:40:31,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:40:31,276 ERROR L253 erpolLogProxyWrapper]: Interpolant 32 not inductive [2020-07-19 22:40:31,278 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 22:40:31,281 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: generated interpolants did not pass sanity check at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:874) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:392) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:386) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-19 22:40:31,289 INFO L168 Benchmark]: Toolchain (without parser) took 11848.17 ms. Allocated memory was 143.7 MB in the beginning and 451.9 MB in the end (delta: 308.3 MB). Free memory was 97.4 MB in the beginning and 108.3 MB in the end (delta: -10.8 MB). Peak memory consumption was 297.4 MB. Max. memory is 7.1 GB. [2020-07-19 22:40:31,290 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 143.7 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-19 22:40:31,292 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1135.95 ms. Allocated memory was 143.7 MB in the beginning and 205.0 MB in the end (delta: 61.3 MB). Free memory was 97.0 MB in the beginning and 134.5 MB in the end (delta: -37.5 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. [2020-07-19 22:40:31,296 INFO L168 Benchmark]: Boogie Preprocessor took 139.07 ms. Allocated memory is still 205.0 MB. Free memory was 134.5 MB in the beginning and 128.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. [2020-07-19 22:40:31,298 INFO L168 Benchmark]: RCFGBuilder took 5783.17 ms. Allocated memory was 205.0 MB in the beginning and 373.3 MB in the end (delta: 168.3 MB). Free memory was 128.3 MB in the beginning and 129.6 MB in the end (delta: -1.3 MB). Peak memory consumption was 214.1 MB. Max. memory is 7.1 GB. [2020-07-19 22:40:31,300 INFO L168 Benchmark]: TraceAbstraction took 4780.95 ms. Allocated memory was 373.3 MB in the beginning and 451.9 MB in the end (delta: 78.6 MB). Free memory was 129.6 MB in the beginning and 108.3 MB in the end (delta: 21.3 MB). Peak memory consumption was 100.0 MB. Max. memory is 7.1 GB. [2020-07-19 22:40:31,306 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 143.7 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1135.95 ms. Allocated memory was 143.7 MB in the beginning and 205.0 MB in the end (delta: 61.3 MB). Free memory was 97.0 MB in the beginning and 134.5 MB in the end (delta: -37.5 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 139.07 ms. Allocated memory is still 205.0 MB. Free memory was 134.5 MB in the beginning and 128.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5783.17 ms. Allocated memory was 205.0 MB in the beginning and 373.3 MB in the end (delta: 168.3 MB). Free memory was 128.3 MB in the beginning and 129.6 MB in the end (delta: -1.3 MB). Peak memory consumption was 214.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4780.95 ms. Allocated memory was 373.3 MB in the beginning and 451.9 MB in the end (delta: 78.6 MB). Free memory was 129.6 MB in the beginning and 108.3 MB in the end (delta: 21.3 MB). Peak memory consumption was 100.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: generated interpolants did not pass sanity check de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: generated interpolants did not pass sanity check: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...