/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-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 00:57:14,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 00:57:14,132 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 00:57:14,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 00:57:14,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 00:57:14,145 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 00:57:14,146 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 00:57:14,148 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 00:57:14,150 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 00:57:14,151 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 00:57:14,152 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 00:57:14,153 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 00:57:14,153 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 00:57:14,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 00:57:14,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 00:57:14,156 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 00:57:14,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 00:57:14,158 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 00:57:14,160 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 00:57:14,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 00:57:14,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 00:57:14,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 00:57:14,166 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 00:57:14,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 00:57:14,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 00:57:14,172 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 00:57:14,173 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 00:57:14,174 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 00:57:14,174 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 00:57:14,175 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 00:57:14,176 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 00:57:14,176 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 00:57:14,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 00:57:14,177 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 00:57:14,178 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 00:57:14,178 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 00:57:14,179 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 00:57:14,201 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 00:57:14,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 00:57:14,204 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 00:57:14,205 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 00:57:14,205 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 00:57:14,205 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 00:57:14,205 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 00:57:14,205 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 00:57:14,206 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 00:57:14,206 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 00:57:14,206 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 00:57:14,206 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 00:57:14,206 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 00:57:14,208 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 00:57:14,208 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 00:57:14,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 00:57:14,209 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 00:57:14,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 00:57:14,209 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 00:57:14,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 00:57:14,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 00:57:14,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 00:57:14,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 00:57:14,210 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 00:57:14,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 00:57:14,211 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 00:57:14,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 00:57:14,211 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 00:57:14,211 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 00:57:14,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 00:57:14,212 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 00:57:14,212 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 00:57:14,212 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 00:57:14,212 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 00:57:14,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 00:57:14,213 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 00:57:14,213 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 00:57:14,213 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 00:57:14,496 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 00:57:14,509 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 00:57:14,513 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 00:57:14,515 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 00:57:14,515 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 00:57:14,516 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2019-11-24 00:57:14,590 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/963f0c988/6860d64da24044218b96641e89fadc91/FLAG37ee694d8 [2019-11-24 00:57:15,439 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 00:57:15,440 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2019-11-24 00:57:15,486 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/963f0c988/6860d64da24044218b96641e89fadc91/FLAG37ee694d8 [2019-11-24 00:57:15,971 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/963f0c988/6860d64da24044218b96641e89fadc91 [2019-11-24 00:57:15,980 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 00:57:15,982 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 00:57:15,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 00:57:15,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 00:57:15,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 00:57:15,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:57:15" (1/1) ... [2019-11-24 00:57:15,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f837a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:15, skipping insertion in model container [2019-11-24 00:57:15,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:57:15" (1/1) ... [2019-11-24 00:57:15,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 00:57:16,099 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 00:57:17,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 00:57:17,253 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 00:57:17,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 00:57:17,771 INFO L208 MainTranslator]: Completed translation [2019-11-24 00:57:17,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:17 WrapperNode [2019-11-24 00:57:17,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 00:57:17,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 00:57:17,773 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 00:57:17,773 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 00:57:17,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:17" (1/1) ... [2019-11-24 00:57:17,855 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:17" (1/1) ... [2019-11-24 00:57:17,945 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 00:57:17,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 00:57:17,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 00:57:17,947 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 00:57:17,958 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:17" (1/1) ... [2019-11-24 00:57:17,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:17" (1/1) ... [2019-11-24 00:57:17,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:17" (1/1) ... [2019-11-24 00:57:17,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:17" (1/1) ... [2019-11-24 00:57:18,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:17" (1/1) ... [2019-11-24 00:57:18,029 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:17" (1/1) ... [2019-11-24 00:57:18,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:17" (1/1) ... [2019-11-24 00:57:18,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 00:57:18,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 00:57:18,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 00:57:18,057 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 00:57:18,057 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:17" (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 00:57:18,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 00:57:18,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 00:57:18,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 00:57:18,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 00:57:18,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 00:57:18,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 00:57:18,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-24 00:57:18,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 00:57:18,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 00:57:18,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 00:57:20,905 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 00:57:20,905 INFO L284 CfgBuilder]: Removed 103 assume(true) statements. [2019-11-24 00:57:20,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:57:20 BoogieIcfgContainer [2019-11-24 00:57:20,907 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 00:57:20,908 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 00:57:20,908 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 00:57:20,913 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 00:57:20,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:57:15" (1/3) ... [2019-11-24 00:57:20,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63a5b042 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:57:20, skipping insertion in model container [2019-11-24 00:57:20,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:17" (2/3) ... [2019-11-24 00:57:20,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63a5b042 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:57:20, skipping insertion in model container [2019-11-24 00:57:20,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:57:20" (3/3) ... [2019-11-24 00:57:20,918 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2019-11-24 00:57:20,929 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 00:57:20,940 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-11-24 00:57:20,952 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-11-24 00:57:20,979 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 00:57:20,979 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 00:57:20,979 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 00:57:20,980 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 00:57:20,980 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 00:57:20,980 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 00:57:20,980 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 00:57:20,980 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 00:57:20,998 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2019-11-24 00:57:21,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-24 00:57:21,006 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 00:57:21,007 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-24 00:57:21,008 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 00:57:21,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 00:57:21,015 INFO L82 PathProgramCache]: Analyzing trace with hash 10065540, now seen corresponding path program 1 times [2019-11-24 00:57:21,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 00:57:21,026 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889854411] [2019-11-24 00:57:21,027 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 00:57:21,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 00:57:21,374 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 00:57:21,375 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889854411] [2019-11-24 00:57:21,377 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 00:57:21,377 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 00:57:21,378 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549303015] [2019-11-24 00:57:21,385 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 00:57:21,385 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 00:57:21,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 00:57:21,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 00:57:21,403 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 3 states. [2019-11-24 00:57:21,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 00:57:21,465 INFO L93 Difference]: Finished difference Result 43 states and 60 transitions. [2019-11-24 00:57:21,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 00:57:21,467 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-11-24 00:57:21,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 00:57:21,481 INFO L225 Difference]: With dead ends: 43 [2019-11-24 00:57:21,481 INFO L226 Difference]: Without dead ends: 24 [2019-11-24 00:57:21,487 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 00:57:21,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-11-24 00:57:21,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-11-24 00:57:21,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-24 00:57:21,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 30 transitions. [2019-11-24 00:57:21,534 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 30 transitions. Word has length 4 [2019-11-24 00:57:21,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 00:57:21,534 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 30 transitions. [2019-11-24 00:57:21,534 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 00:57:21,535 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2019-11-24 00:57:21,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-24 00:57:21,536 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 00:57:21,536 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 00:57:21,536 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 00:57:21,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 00:57:21,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1278123406, now seen corresponding path program 1 times [2019-11-24 00:57:21,537 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 00:57:21,537 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297572276] [2019-11-24 00:57:21,538 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 00:57:22,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-24 00:57:22,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-24 00:57:22,521 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-11-24 00:57:22,522 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-24 00:57:22,598 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!device [2019-11-24 00:57:22,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2019-11-24 00:57:22,602 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!device [2019-11-24 00:57:22,603 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2019-11-24 00:57:22,604 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2019-11-24 00:57:22,612 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!device [2019-11-24 00:57:22,613 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2019-11-24 00:57:22,614 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!device [2019-11-24 00:57:22,616 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!device [2019-11-24 00:57:22,620 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2019-11-24 00:57:22,621 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2019-11-24 00:57:22,621 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!device [2019-11-24 00:57:22,622 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!device [2019-11-24 00:57:22,622 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_virtio_device_table~0!vendor [2019-11-24 00:57:22,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:57:22 BoogieIcfgContainer [2019-11-24 00:57:22,640 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-24 00:57:22,644 INFO L168 Benchmark]: Toolchain (without parser) took 6660.32 ms. Allocated memory was 144.7 MB in the beginning and 316.1 MB in the end (delta: 171.4 MB). Free memory was 96.3 MB in the beginning and 120.0 MB in the end (delta: -23.7 MB). Peak memory consumption was 147.8 MB. Max. memory is 7.1 GB. [2019-11-24 00:57:22,646 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-24 00:57:22,648 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1789.51 ms. Allocated memory was 144.7 MB in the beginning and 235.9 MB in the end (delta: 91.2 MB). Free memory was 96.1 MB in the beginning and 190.3 MB in the end (delta: -94.2 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. [2019-11-24 00:57:22,650 INFO L168 Benchmark]: Boogie Procedure Inliner took 173.64 ms. Allocated memory is still 235.9 MB. Free memory was 190.3 MB in the beginning and 184.3 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. [2019-11-24 00:57:22,651 INFO L168 Benchmark]: Boogie Preprocessor took 109.51 ms. Allocated memory is still 235.9 MB. Free memory was 184.3 MB in the beginning and 179.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-11-24 00:57:22,653 INFO L168 Benchmark]: RCFGBuilder took 2851.06 ms. Allocated memory was 235.9 MB in the beginning and 259.5 MB in the end (delta: 23.6 MB). Free memory was 179.8 MB in the beginning and 155.0 MB in the end (delta: 24.9 MB). Peak memory consumption was 125.4 MB. Max. memory is 7.1 GB. [2019-11-24 00:57:22,655 INFO L168 Benchmark]: TraceAbstraction took 1732.18 ms. Allocated memory was 259.5 MB in the beginning and 316.1 MB in the end (delta: 56.6 MB). Free memory was 155.0 MB in the beginning and 120.0 MB in the end (delta: 35.0 MB). Peak memory consumption was 91.6 MB. Max. memory is 7.1 GB. [2019-11-24 00:57:22,670 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1789.51 ms. Allocated memory was 144.7 MB in the beginning and 235.9 MB in the end (delta: 91.2 MB). Free memory was 96.1 MB in the beginning and 190.3 MB in the end (delta: -94.2 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 173.64 ms. Allocated memory is still 235.9 MB. Free memory was 190.3 MB in the beginning and 184.3 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.51 ms. Allocated memory is still 235.9 MB. Free memory was 184.3 MB in the beginning and 179.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2851.06 ms. Allocated memory was 235.9 MB in the beginning and 259.5 MB in the end (delta: 23.6 MB). Free memory was 179.8 MB in the beginning and 155.0 MB in the end (delta: 24.9 MB). Peak memory consumption was 125.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1732.18 ms. Allocated memory was 259.5 MB in the beginning and 316.1 MB in the end (delta: 56.6 MB). Free memory was 155.0 MB in the beginning and 120.0 MB in the end (delta: 35.0 MB). Peak memory consumption was 91.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_virtio_device_table~0!vendor * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 4281]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 4165. Possible FailurePath: [L3634] static int major ; [L3635] static int index ; [L4161-L4164] static unsigned int features[9U] = { 0U, 2U, 1U, 4U, 5U, 6U, 7U, 9U, 10U}; [L4193] int LDV_IN_INTERRUPT ; [L4334] int ldv_blk_rq = 0; [L3960-L3961] static struct block_device_operations const virtblk_fops = {0, 0, & virtblk_ioctl, 0, 0, 0, 0, 0, 0, & virtblk_getgeo, 0, & __this_module}; [L4159-L4160] static struct virtio_device_id const id_table[2U] = { {2U, 4294967295U}, {0U, 0U}}; [L4165-L4166] static struct virtio_driver virtio_blk = {{"virtio_blk", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct virtio_device_id const *)(& id_table), (unsigned int const *)(& features), 9U, & virtblk_probe, & virtblk_remove, 0}; [L4188] struct virtio_device_id const __mod_virtio_device_table ; [L4196] struct block_device *var_group1 ; [L4197] fmode_t var_virtblk_ioctl_5_p1 ; [L4198] unsigned int var_virtblk_ioctl_5_p2 ; [L4199] unsigned long var_virtblk_ioctl_5_p3 ; [L4200] struct hd_geometry *var_group2 ; [L4201] int tmp ; [L4202] int tmp___0 ; [L4203] int tmp___1 ; [L4205] LDV_IN_INTERRUPT = 1 [L4169] int tmp ; [L4171] CALL, EXPR register_blkdev(0U, "virtblk") [L4517] return __VERIFIER_nondet_int(); [L4171] major = register_blkdev(0U, "virtblk") [L4172] COND FALSE !(major < 0) [L4521] return __VERIFIER_nondet_int(); [L4176] tmp = register_virtio_driver(& virtio_blk) [L4177] return (tmp); [L4208] tmp = init() [L4209] COND FALSE !(tmp != 0) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={8589934612:8589934601}, features={23:0}, id_table={19:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, virtblk_fops={39:0}, virtio_blk={14:0}] [L4230] tmp___1 = __VERIFIER_nondet_int() [L4231] COND TRUE tmp___1 != 0 [L4215] tmp___0 = __VERIFIER_nondet_int() [L4217] case 0: [L3898] struct gendisk *disk ; [L3899] struct virtio_blk *vblk ; [L3900] void *usr_data ; [L3901] char id_str[20U] ; [L3902] int err ; [L3903] int tmp ; [L3904] bool tmp___0 ; [L3905] int tmp___1 ; [L3906] int tmp___2 ; [L3908] EXPR bdev->bd_disk [L3908] disk = bdev->bd_disk [L3909] EXPR disk->private_data [L3909] vblk = (struct virtio_blk *)disk->private_data [L3910] COND TRUE cmd == 1447184708U [L3911] usr_data = (void *)data [L3865] struct virtio_blk *vblk ; [L3866] struct request *req ; [L3867] struct bio *bio ; [L3868] long tmp ; [L3869] long tmp___0 ; [L3870] long tmp___1 ; [L3871] long tmp___2 ; [L3872] int tmp___3 ; [L3874] EXPR disk->private_data [L3874] vblk = (struct virtio_blk *)disk->private_data [L3875] EXPR vblk->disk [L3875] EXPR (vblk->disk)->queue [L3442] COND FALSE !(__VERIFIER_nondet_int()) [L3447] return ((void *)0); [L4413] return ldv_malloc(sizeof(struct bio)); [L3875] bio = bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L4260] long tmp ; [L4293] return ((unsigned long )ptr > 2012UL); [L4262] tmp = ldv_is_err(ptr) [L4263] return (tmp); [L3876] tmp___0 = IS_ERR((void const *)bio) [L3877] COND FALSE !(tmp___0 != 0L) [L3882] EXPR vblk->disk [L3882] EXPR (vblk->disk)->queue [L4269] ldv_func_ret_type___3 ldv_func_res ; [L4270] struct request *tmp ; [L3442] COND FALSE !(__VERIFIER_nondet_int()) [L3447] return ((void *)0); [L4429] return ldv_malloc(sizeof(struct request)); [L4272] tmp = blk_make_request(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4273] ldv_func_res = tmp [L4337] long tmp ; VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={8589934612:8589934601}, features={23:0}, id_table={19:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, virtblk_fops={39:0}, virtio_blk={14:0}] [L4339] COND TRUE ldv_blk_rq == 0 VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={8589934612:8589934601}, features={23:0}, id_table={19:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, virtblk_fops={39:0}, virtio_blk={14:0}] [L4343] COND TRUE (mask == 16U || mask == 208U) || mask == 16U [L4344] ldv_blk_rq = 1 [L4275] return (ldv_func_res); [L3882] req = ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L4260] long tmp ; [L4293] return ((unsigned long )ptr > 2012UL); [L4262] tmp = ldv_is_err(ptr) [L4263] return (tmp); [L3883] tmp___2 = IS_ERR((void const *)req) [L3884] COND FALSE !(tmp___2 != 0L) [L3890] req->cmd_type = 7 [L3891] EXPR vblk->disk [L3891] EXPR (vblk->disk)->queue [L3891] EXPR vblk->disk [L4423] return __VERIFIER_nondet_int(); [L3891] tmp___3 = blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L3892] return (tmp___3); VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={8589934612:8589934601}, features={23:0}, id_table={19:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, virtblk_fops={39:0}, virtio_blk={14:0}] [L3912] err = virtblk_get_id(disk, (char *)(& id_str)) [L3913] COND FALSE !(err == 0) [L3921] return (err); [L3921] return (err); VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={8589934612:8589934601}, features={23:0}, id_table={19:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, virtblk_fops={39:0}, virtio_blk={14:0}] [L4230] tmp___1 = __VERIFIER_nondet_int() [L4231] COND FALSE !(tmp___1 != 0) [L4371] COND FALSE !(ldv_blk_rq == 0) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={8589934612:8589934601}, features={23:0}, id_table={19:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, virtblk_fops={39:0}, virtio_blk={14:0}] [L4281] __VERIFIER_error() VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={8589934612:8589934601}, features={23:0}, id_table={19:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, virtblk_fops={39:0}, virtio_blk={14:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 2 error locations. Result: UNSAFE, OverallTime: 1.6s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 19 SDtfs, 15 SDslu, 13 SDs, 0 SdLazy, 6 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...