/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/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 01:18:28,063 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 01:18:28,066 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 01:18:28,079 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 01:18:28,079 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 01:18:28,080 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 01:18:28,081 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 01:18:28,083 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 01:18:28,085 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 01:18:28,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 01:18:28,087 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 01:18:28,088 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 01:18:28,088 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 01:18:28,089 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 01:18:28,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 01:18:28,091 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 01:18:28,092 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 01:18:28,093 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 01:18:28,095 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 01:18:28,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 01:18:28,099 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 01:18:28,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 01:18:28,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 01:18:28,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 01:18:28,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 01:18:28,106 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 01:18:28,106 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 01:18:28,107 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 01:18:28,108 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 01:18:28,109 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 01:18:28,109 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 01:18:28,110 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 01:18:28,111 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 01:18:28,112 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 01:18:28,113 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 01:18:28,113 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 01:18:28,114 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 01:18:28,114 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 01:18:28,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 01:18:28,116 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 01:18:28,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 01:18:28,118 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 01:18:28,143 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 01:18:28,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 01:18:28,145 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 01:18:28,146 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 01:18:28,147 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 01:18:28,147 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 01:18:28,147 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 01:18:28,147 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 01:18:28,147 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 01:18:28,148 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 01:18:28,149 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 01:18:28,149 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 01:18:28,149 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 01:18:28,150 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 01:18:28,150 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 01:18:28,151 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 01:18:28,151 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 01:18:28,151 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 01:18:28,151 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 01:18:28,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 01:18:28,152 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 01:18:28,152 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 01:18:28,153 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 01:18:28,153 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 01:18:28,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 01:18:28,153 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 01:18:28,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 01:18:28,154 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 01:18:28,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 01:18:28,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 01:18:28,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 01:18:28,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 01:18:28,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 01:18:28,156 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 01:18:28,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 01:18:28,157 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 01:18:28,157 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 01:18:28,157 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 01:18:28,425 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 01:18:28,440 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 01:18:28,444 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 01:18:28,445 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 01:18:28,445 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 01:18:28,446 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i [2019-11-24 01:18:28,510 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f32c5cb88/038ec1c3e1d147ee906493cd44e8ccab/FLAGacf67053b [2019-11-24 01:18:29,299 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 01:18:29,300 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i [2019-11-24 01:18:29,346 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f32c5cb88/038ec1c3e1d147ee906493cd44e8ccab/FLAGacf67053b [2019-11-24 01:18:29,839 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f32c5cb88/038ec1c3e1d147ee906493cd44e8ccab [2019-11-24 01:18:29,848 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 01:18:29,849 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 01:18:29,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 01:18:29,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 01:18:29,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 01:18:29,856 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:18:29" (1/1) ... [2019-11-24 01:18:29,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b5b5a19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:29, skipping insertion in model container [2019-11-24 01:18:29,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:18:29" (1/1) ... [2019-11-24 01:18:29,870 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 01:18:30,000 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 01:18:32,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 01:18:32,419 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 01:18:32,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 01:18:33,186 INFO L208 MainTranslator]: Completed translation [2019-11-24 01:18:33,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:33 WrapperNode [2019-11-24 01:18:33,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 01:18:33,188 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 01:18:33,188 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 01:18:33,188 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 01:18:33,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:33" (1/1) ... [2019-11-24 01:18:33,292 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:33" (1/1) ... [2019-11-24 01:18:33,564 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 01:18:33,564 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 01:18:33,564 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 01:18:33,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 01:18:33,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:33" (1/1) ... [2019-11-24 01:18:33,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:33" (1/1) ... [2019-11-24 01:18:33,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:33" (1/1) ... [2019-11-24 01:18:33,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:33" (1/1) ... [2019-11-24 01:18:33,909 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:33" (1/1) ... [2019-11-24 01:18:33,964 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:33" (1/1) ... [2019-11-24 01:18:34,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:33" (1/1) ... [2019-11-24 01:18:34,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 01:18:34,048 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 01:18:34,048 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 01:18:34,048 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 01:18:34,049 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:33" (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 [2019-11-24 01:18:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-24 01:18:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-24 01:18:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_dvb [2019-11-24 01:18:34,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_dvb [2019-11-24 01:18:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2019-11-24 01:18:34,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2019-11-24 01:18:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_sec_feed [2019-11-24 01:18:34,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_sec_feed [2019-11-24 01:18:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_iso_xfer [2019-11-24 01:18:34,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_iso_xfer [2019-11-24 01:18:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb [2019-11-24 01:18:34,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb [2019-11-24 01:18:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 01:18:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 01:18:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_feed [2019-11-24 01:18:34,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_feed [2019-11-24 01:18:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 01:18:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-24 01:18:34,153 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_probe [2019-11-24 01:18:34,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_probe [2019-11-24 01:18:34,153 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_ts_feed [2019-11-24 01:18:34,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_ts_feed [2019-11-24 01:18:34,153 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_dvb [2019-11-24 01:18:34,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_dvb [2019-11-24 01:18:34,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-24 01:18:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-24 01:18:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_3 [2019-11-24 01:18:34,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_3 [2019-11-24 01:18:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_4 [2019-11-24 01:18:34,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_4 [2019-11-24 01:18:34,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2019-11-24 01:18:34,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2019-11-24 01:18:34,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_7 [2019-11-24 01:18:34,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_7 [2019-11-24 01:18:34,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 01:18:34,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 01:18:34,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 01:18:34,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-24 01:18:34,158 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-24 01:18:34,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-24 01:18:34,159 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-11-24 01:18:34,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-11-24 01:18:34,159 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_init_rc [2019-11-24 01:18:34,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_init_rc [2019-11-24 01:18:34,159 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-11-24 01:18:34,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-11-24 01:18:34,160 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_disconnect [2019-11-24 01:18:34,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_disconnect [2019-11-24 01:18:34,160 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_handle_irq [2019-11-24 01:18:34,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_handle_irq [2019-11-24 01:18:34,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 01:18:34,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 01:18:34,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 01:20:03,797 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 01:20:03,797 INFO L284 CfgBuilder]: Removed 1099 assume(true) statements. [2019-11-24 01:20:03,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:20:03 BoogieIcfgContainer [2019-11-24 01:20:03,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 01:20:03,800 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 01:20:03,800 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 01:20:03,803 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 01:20:03,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:18:29" (1/3) ... [2019-11-24 01:20:03,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7932def6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:20:03, skipping insertion in model container [2019-11-24 01:20:03,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:33" (2/3) ... [2019-11-24 01:20:03,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7932def6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:20:03, skipping insertion in model container [2019-11-24 01:20:03,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:20:03" (3/3) ... [2019-11-24 01:20:03,807 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i [2019-11-24 01:20:03,817 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 01:20:03,826 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2019-11-24 01:20:03,837 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-11-24 01:20:03,867 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 01:20:03,868 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 01:20:03,868 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 01:20:03,868 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 01:20:03,868 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 01:20:03,868 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 01:20:03,869 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 01:20:03,869 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 01:20:03,901 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states. [2019-11-24 01:20:03,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-24 01:20:03,907 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 01:20:03,908 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 01:20:03,909 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 01:20:03,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 01:20:03,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1414657450, now seen corresponding path program 1 times [2019-11-24 01:20:03,925 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 01:20:03,925 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405512484] [2019-11-24 01:20:03,926 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 01:20:04,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 01:20:04,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 01:20:04,673 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405512484] [2019-11-24 01:20:04,675 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 01:20:04,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 01:20:04,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935346691] [2019-11-24 01:20:04,682 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 01:20:04,682 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 01:20:04,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 01:20:04,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 01:20:04,699 INFO L87 Difference]: Start difference. First operand 675 states. Second operand 3 states.