/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--net--usb--cdc_mbim.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 01:19:34,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 01:19:34,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 01:19:34,840 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 01:19:34,840 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 01:19:34,841 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 01:19:34,842 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 01:19:34,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 01:19:34,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 01:19:34,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 01:19:34,848 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 01:19:34,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 01:19:34,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 01:19:34,850 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 01:19:34,851 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 01:19:34,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 01:19:34,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 01:19:34,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 01:19:34,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 01:19:34,857 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 01:19:34,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 01:19:34,860 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 01:19:34,861 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 01:19:34,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 01:19:34,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 01:19:34,864 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 01:19:34,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 01:19:34,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 01:19:34,866 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 01:19:34,866 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 01:19:34,867 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 01:19:34,867 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 01:19:34,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 01:19:34,869 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 01:19:34,870 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 01:19:34,870 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 01:19:34,871 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 01:19:34,871 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 01:19:34,871 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 01:19:34,872 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 01:19:34,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 01:19:34,873 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 01:19:34,891 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 01:19:34,892 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 01:19:34,893 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 01:19:34,894 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 01:19:34,894 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 01:19:34,894 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 01:19:34,894 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 01:19:34,894 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 01:19:34,894 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 01:19:34,895 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 01:19:34,896 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 01:19:34,896 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 01:19:34,896 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 01:19:34,897 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 01:19:34,897 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 01:19:34,898 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 01:19:34,898 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 01:19:34,899 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 01:19:34,899 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 01:19:34,899 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 01:19:34,899 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 01:19:34,900 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 01:19:34,900 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 01:19:34,900 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 01:19:34,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 01:19:34,901 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 01:19:34,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 01:19:34,901 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 01:19:34,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 01:19:34,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 01:19:34,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 01:19:34,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 01:19:34,903 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 01:19:34,903 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 01:19:34,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 01:19:34,904 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 01:19:34,904 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 01:19:34,905 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 01:19:35,172 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 01:19:35,192 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 01:19:35,196 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 01:19:35,197 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 01:19:35,198 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 01:19:35,198 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i [2019-11-24 01:19:35,276 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/243492553/7d6a76e4fe7b4d18bc3df3914edc59a9/FLAG3461fa8cf [2019-11-24 01:19:36,039 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 01:19:36,040 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i [2019-11-24 01:19:36,073 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/243492553/7d6a76e4fe7b4d18bc3df3914edc59a9/FLAG3461fa8cf [2019-11-24 01:19:36,141 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/243492553/7d6a76e4fe7b4d18bc3df3914edc59a9 [2019-11-24 01:19:36,150 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 01:19:36,151 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 01:19:36,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 01:19:36,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 01:19:36,155 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 01:19:36,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:19:36" (1/1) ... [2019-11-24 01:19:36,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a298c34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:36, skipping insertion in model container [2019-11-24 01:19:36,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:19:36" (1/1) ... [2019-11-24 01:19:36,166 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 01:19:36,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 01:19:37,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 01:19:37,964 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 01:19:38,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 01:19:38,485 INFO L208 MainTranslator]: Completed translation [2019-11-24 01:19:38,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:38 WrapperNode [2019-11-24 01:19:38,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 01:19:38,487 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 01:19:38,487 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 01:19:38,487 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 01:19:38,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:38" (1/1) ... [2019-11-24 01:19:38,574 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:38" (1/1) ... [2019-11-24 01:19:38,886 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 01:19:38,886 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 01:19:38,887 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 01:19:38,887 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 01:19:38,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:38" (1/1) ... [2019-11-24 01:19:38,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:38" (1/1) ... [2019-11-24 01:19:38,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:38" (1/1) ... [2019-11-24 01:19:38,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:38" (1/1) ... [2019-11-24 01:19:39,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:38" (1/1) ... [2019-11-24 01:19:39,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:38" (1/1) ... [2019-11-24 01:19:39,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:38" (1/1) ... [2019-11-24 01:19:39,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 01:19:39,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 01:19:39,195 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 01:19:39,195 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 01:19:39,196 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:38" (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 01:19:39,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-24 01:19:39,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-24 01:19:39,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-24 01:19:39,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 01:19:39,276 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2019-11-24 01:19:39,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2019-11-24 01:19:39,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 01:19:39,276 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_suspend [2019-11-24 01:19:39,276 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_suspend [2019-11-24 01:19:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_resume [2019-11-24 01:19:39,277 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_resume [2019-11-24 01:19:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 01:19:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-24 01:19:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 01:19:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-11-24 01:19:39,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-11-24 01:19:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 01:19:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-11-24 01:19:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 01:19:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-24 01:19:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 01:19:39,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-24 01:19:39,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 01:19:39,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 01:19:53,614 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 01:19:53,615 INFO L284 CfgBuilder]: Removed 743 assume(true) statements. [2019-11-24 01:19:53,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:19:53 BoogieIcfgContainer [2019-11-24 01:19:53,616 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 01:19:53,617 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 01:19:53,617 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 01:19:53,620 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 01:19:53,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:19:36" (1/3) ... [2019-11-24 01:19:53,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dd1f18a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:19:53, skipping insertion in model container [2019-11-24 01:19:53,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:38" (2/3) ... [2019-11-24 01:19:53,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dd1f18a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:19:53, skipping insertion in model container [2019-11-24 01:19:53,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:19:53" (3/3) ... [2019-11-24 01:19:53,623 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i [2019-11-24 01:19:53,633 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 01:19:53,642 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2019-11-24 01:19:53,654 INFO L249 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2019-11-24 01:19:53,683 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 01:19:53,683 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 01:19:53,683 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 01:19:53,684 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 01:19:53,684 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 01:19:53,684 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 01:19:53,684 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 01:19:53,684 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 01:19:53,714 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states. [2019-11-24 01:19:53,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-24 01:19:53,719 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 01:19:53,720 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 01:19:53,721 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 01:19:53,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 01:19:53,726 INFO L82 PathProgramCache]: Analyzing trace with hash 1990448214, now seen corresponding path program 1 times [2019-11-24 01:19:53,735 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 01:19:53,735 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506578833] [2019-11-24 01:19:53,736 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 01:19:53,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 01:19:54,189 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 01:19:54,190 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506578833] [2019-11-24 01:19:54,190 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 01:19:54,191 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 01:19:54,192 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195183280] [2019-11-24 01:19:54,196 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 01:19:54,197 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 01:19:54,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 01:19:54,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 01:19:54,214 INFO L87 Difference]: Start difference. First operand 401 states. Second operand 3 states. [2019-11-24 01:19:54,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 01:19:54,418 INFO L93 Difference]: Finished difference Result 1150 states and 1907 transitions. [2019-11-24 01:19:54,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 01:19:54,420 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2019-11-24 01:19:54,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 01:19:54,440 INFO L225 Difference]: With dead ends: 1150 [2019-11-24 01:19:54,440 INFO L226 Difference]: Without dead ends: 736 [2019-11-24 01:19:54,450 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 01:19:54,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2019-11-24 01:19:54,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 728. [2019-11-24 01:19:54,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 728 states. [2019-11-24 01:19:54,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 1198 transitions. [2019-11-24 01:19:54,610 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 1198 transitions. Word has length 14 [2019-11-24 01:19:54,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 01:19:54,611 INFO L462 AbstractCegarLoop]: Abstraction has 728 states and 1198 transitions. [2019-11-24 01:19:54,611 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 01:19:54,612 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 1198 transitions. [2019-11-24 01:19:54,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-24 01:19:54,619 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 01:19:54,620 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 01:19:54,621 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 01:19:54,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 01:19:54,621 INFO L82 PathProgramCache]: Analyzing trace with hash -1653070781, now seen corresponding path program 1 times [2019-11-24 01:19:54,622 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 01:19:54,622 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686090202] [2019-11-24 01:19:54,622 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 01:19:54,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 01:19:54,833 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 01:19:54,834 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686090202] [2019-11-24 01:19:54,834 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 01:19:54,834 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 01:19:54,835 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173641403] [2019-11-24 01:19:54,839 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 01:19:54,839 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 01:19:54,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 01:19:54,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 01:19:54,840 INFO L87 Difference]: Start difference. First operand 728 states and 1198 transitions. Second operand 3 states. [2019-11-24 01:19:54,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 01:19:54,996 INFO L93 Difference]: Finished difference Result 1454 states and 2394 transitions. [2019-11-24 01:19:54,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 01:19:54,999 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-24 01:19:54,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 01:19:55,007 INFO L225 Difference]: With dead ends: 1454 [2019-11-24 01:19:55,007 INFO L226 Difference]: Without dead ends: 731 [2019-11-24 01:19:55,015 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 01:19:55,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2019-11-24 01:19:55,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 731. [2019-11-24 01:19:55,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 731 states. [2019-11-24 01:19:55,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 731 states and 1201 transitions. [2019-11-24 01:19:55,062 INFO L78 Accepts]: Start accepts. Automaton has 731 states and 1201 transitions. Word has length 19 [2019-11-24 01:19:55,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 01:19:55,062 INFO L462 AbstractCegarLoop]: Abstraction has 731 states and 1201 transitions. [2019-11-24 01:19:55,062 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 01:19:55,062 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 1201 transitions. [2019-11-24 01:19:55,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-24 01:19:55,064 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 01:19:55,064 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, 1, 1] [2019-11-24 01:19:55,065 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 01:19:55,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 01:19:55,065 INFO L82 PathProgramCache]: Analyzing trace with hash 251949506, now seen corresponding path program 1 times [2019-11-24 01:19:55,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 01:19:55,066 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070494216] [2019-11-24 01:19:55,066 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 01:19:55,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 01:19:55,187 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-24 01:19:55,187 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070494216] [2019-11-24 01:19:55,188 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508573705] [2019-11-24 01:19:55,188 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 01:19:55,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 01:19:55,780 INFO L255 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-24 01:19:55,787 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 01:19:55,838 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-24 01:19:55,839 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 01:19:55,868 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-24 01:19:55,869 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [468504213] [2019-11-24 01:19:55,894 INFO L159 IcfgInterpreter]: Started Sifa with 20 locations of interest [2019-11-24 01:19:55,895 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 01:19:55,901 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 01:19:55,908 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 01:19:55,909 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 01:20:13,674 WARN L192 SmtUtils]: Spent 604.00 ms on a formula simplification that was a NOOP. DAG size: 1114 [2019-11-24 01:20:17,480 WARN L192 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 269 DAG size of output: 219 [2019-11-24 01:20:17,974 WARN L192 SmtUtils]: Spent 485.00 ms on a formula simplification that was a NOOP. DAG size: 1153 [2019-11-24 01:20:20,409 WARN L192 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-11-24 01:20:22,079 WARN L192 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 1203 [2019-11-24 01:20:25,434 WARN L192 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-11-24 01:20:26,530 WARN L192 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 1204 [2019-11-24 01:20:28,023 WARN L192 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 1436 DAG size of output: 1436 [2019-11-24 01:20:44,187 WARN L192 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 1450 [2019-11-24 01:21:00,575 WARN L192 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 1448