/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast_2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 11:29:24,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 11:29:24,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 11:29:24,041 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 11:29:24,041 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 11:29:24,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 11:29:24,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 11:29:24,054 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 11:29:24,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 11:29:24,062 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 11:29:24,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 11:29:24,065 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 11:29:24,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 11:29:24,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 11:29:24,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 11:29:24,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 11:29:24,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 11:29:24,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 11:29:24,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 11:29:24,079 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 11:29:24,083 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 11:29:24,086 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 11:29:24,087 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 11:29:24,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 11:29:24,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 11:29:24,091 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 11:29:24,091 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 11:29:24,094 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 11:29:24,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 11:29:24,096 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 11:29:24,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 11:29:24,097 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 11:29:24,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 11:29:24,099 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 11:29:24,100 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 11:29:24,100 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 11:29:24,101 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 11:29:24,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 11:29:24,102 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 11:29:24,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 11:29:24,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 11:29:24,104 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 11:29:24,118 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 11:29:24,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 11:29:24,120 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 11:29:24,120 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 11:29:24,120 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 11:29:24,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 11:29:24,121 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 11:29:24,121 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 11:29:24,121 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 11:29:24,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 11:29:24,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 11:29:24,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 11:29:24,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 11:29:24,122 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 11:29:24,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 11:29:24,122 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 11:29:24,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 11:29:24,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 11:29:24,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 11:29:24,123 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 11:29:24,123 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 11:29:24,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 11:29:24,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 11:29:24,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 11:29:24,124 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 11:29:24,124 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 11:29:24,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:29:24,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 11:29:24,125 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 11:29:24,125 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-20 11:29:24,415 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 11:29:24,428 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 11:29:24,432 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 11:29:24,433 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 11:29:24,434 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 11:29:24,435 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast_2.i [2020-07-20 11:29:24,511 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f55a8e8a6/7cdbae1aa416481ba9d141075c9633fe/FLAG80f41b98a [2020-07-20 11:29:24,994 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 11:29:24,995 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast_2.i [2020-07-20 11:29:25,002 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f55a8e8a6/7cdbae1aa416481ba9d141075c9633fe/FLAG80f41b98a [2020-07-20 11:29:25,364 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f55a8e8a6/7cdbae1aa416481ba9d141075c9633fe [2020-07-20 11:29:25,374 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 11:29:25,378 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 11:29:25,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 11:29:25,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 11:29:25,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 11:29:25,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:29:25" (1/1) ... [2020-07-20 11:29:25,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72c8a2ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:29:25, skipping insertion in model container [2020-07-20 11:29:25,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:29:25" (1/1) ... [2020-07-20 11:29:25,397 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 11:29:25,422 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 11:29:25,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 11:29:25,631 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 11:29:25,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 11:29:25,776 INFO L208 MainTranslator]: Completed translation [2020-07-20 11:29:25,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:29:25 WrapperNode [2020-07-20 11:29:25,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 11:29:25,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 11:29:25,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 11:29:25,779 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 11:29:25,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:29:25" (1/1) ... [2020-07-20 11:29:25,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:29:25" (1/1) ... [2020-07-20 11:29:25,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:29:25" (1/1) ... [2020-07-20 11:29:25,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:29:25" (1/1) ... [2020-07-20 11:29:25,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:29:25" (1/1) ... [2020-07-20 11:29:25,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:29:25" (1/1) ... [2020-07-20 11:29:25,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:29:25" (1/1) ... [2020-07-20 11:29:25,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 11:29:25,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 11:29:25,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 11:29:25,847 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 11:29:25,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:29:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 11:29:25,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 11:29:25,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 11:29:25,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-07-20 11:29:25,918 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-07-20 11:29:25,918 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-07-20 11:29:25,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_find_same_bus_num [2020-07-20 11:29:25,918 INFO L138 BoogieDeclarations]: Found implementation of procedure fillslotinfo [2020-07-20 11:29:25,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_init_devno [2020-07-20 11:29:25,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ebda_rsrc_controller [2020-07-20 11:29:25,919 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 11:29:25,919 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-07-20 11:29:25,919 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 11:29:25,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 11:29:25,920 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-07-20 11:29:25,920 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-20 11:29:25,921 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-07-20 11:29:25,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 11:29:25,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-07-20 11:29:25,921 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-07-20 11:29:25,921 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_find_same_bus_num [2020-07-20 11:29:25,922 INFO L130 BoogieDeclarations]: Found specification of procedure fillslotinfo [2020-07-20 11:29:25,922 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_init_devno [2020-07-20 11:29:25,923 INFO L130 BoogieDeclarations]: Found specification of procedure ebda_rsrc_controller [2020-07-20 11:29:25,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 11:29:25,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 11:29:25,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 11:29:25,925 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 11:29:25,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 11:29:25,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 11:29:25,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 11:29:25,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 11:29:26,324 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 11:29:26,324 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-20 11:29:26,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:29:26 BoogieIcfgContainer [2020-07-20 11:29:26,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 11:29:26,330 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 11:29:26,330 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 11:29:26,333 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 11:29:26,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 11:29:25" (1/3) ... [2020-07-20 11:29:26,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36796e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:29:26, skipping insertion in model container [2020-07-20 11:29:26,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:29:25" (2/3) ... [2020-07-20 11:29:26,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36796e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:29:26, skipping insertion in model container [2020-07-20 11:29:26,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:29:26" (3/3) ... [2020-07-20 11:29:26,337 INFO L109 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast_2.i [2020-07-20 11:29:26,348 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 11:29:26,355 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 11:29:26,368 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 11:29:26,392 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 11:29:26,392 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 11:29:26,393 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 11:29:26,393 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 11:29:26,393 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 11:29:26,393 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 11:29:26,393 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 11:29:26,393 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 11:29:26,411 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states. [2020-07-20 11:29:26,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-20 11:29:26,417 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:29:26,418 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:29:26,418 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:29:26,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:29:26,424 INFO L82 PathProgramCache]: Analyzing trace with hash 502124135, now seen corresponding path program 1 times [2020-07-20 11:29:26,432 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:29:26,432 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [840162718] [2020-07-20 11:29:26,433 INFO L95 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 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:29:26,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:29:26,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 11:29:26,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:29:26,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:29:26,655 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:29:26,656 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [840162718] [2020-07-20 11:29:26,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:29:26,657 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 11:29:26,658 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999496086] [2020-07-20 11:29:26,664 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 11:29:26,664 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:29:26,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 11:29:26,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-20 11:29:26,682 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 4 states. [2020-07-20 11:29:26,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:29:26,889 INFO L93 Difference]: Finished difference Result 100 states and 112 transitions. [2020-07-20 11:29:26,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 11:29:26,892 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2020-07-20 11:29:26,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:29:26,904 INFO L225 Difference]: With dead ends: 100 [2020-07-20 11:29:26,904 INFO L226 Difference]: Without dead ends: 66 [2020-07-20 11:29:26,908 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-20 11:29:26,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-07-20 11:29:26,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2020-07-20 11:29:26,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-07-20 11:29:26,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 70 transitions. [2020-07-20 11:29:26,966 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 70 transitions. Word has length 26 [2020-07-20 11:29:26,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:29:26,967 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 70 transitions. [2020-07-20 11:29:26,967 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 11:29:26,968 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2020-07-20 11:29:26,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 11:29:26,971 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:29:26,971 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:29:27,186 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:29:27,187 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:29:27,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:29:27,188 INFO L82 PathProgramCache]: Analyzing trace with hash -501352723, now seen corresponding path program 1 times [2020-07-20 11:29:27,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:29:27,189 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1782951839] [2020-07-20 11:29:27,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:29:27,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-20 11:29:27,309 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 11:29:27,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-20 11:29:27,348 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 11:29:27,394 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-20 11:29:27,394 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-20 11:29:27,609 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:29:27,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 11:29:27 BoogieIcfgContainer [2020-07-20 11:29:27,676 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 11:29:27,679 INFO L168 Benchmark]: Toolchain (without parser) took 2301.83 ms. Allocated memory was 138.9 MB in the beginning and 234.9 MB in the end (delta: 95.9 MB). Free memory was 103.7 MB in the beginning and 188.8 MB in the end (delta: -85.1 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2020-07-20 11:29:27,680 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-07-20 11:29:27,681 INFO L168 Benchmark]: CACSL2BoogieTranslator took 398.83 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 103.3 MB in the beginning and 181.2 MB in the end (delta: -78.0 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2020-07-20 11:29:27,682 INFO L168 Benchmark]: Boogie Preprocessor took 66.26 ms. Allocated memory is still 202.9 MB. Free memory was 181.2 MB in the beginning and 178.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2020-07-20 11:29:27,682 INFO L168 Benchmark]: RCFGBuilder took 483.69 ms. Allocated memory is still 202.9 MB. Free memory was 178.8 MB in the beginning and 154.9 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. [2020-07-20 11:29:27,683 INFO L168 Benchmark]: TraceAbstraction took 1346.39 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 154.3 MB in the beginning and 188.8 MB in the end (delta: -34.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-20 11:29:27,687 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 398.83 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 103.3 MB in the beginning and 181.2 MB in the end (delta: -78.0 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 66.26 ms. Allocated memory is still 202.9 MB. Free memory was 181.2 MB in the beginning and 178.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 483.69 ms. Allocated memory is still 202.9 MB. Free memory was 178.8 MB in the beginning and 154.9 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1346.39 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 154.3 MB in the beginning and 188.8 MB in the end (delta: -34.5 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] struct slot *tmp_slot; [L41] int used_tmp_slot = 0; [L42] int freed_tmp_slot = 1; VAL [\old(freed_tmp_slot)=6, \old(tmp_slot)=11, \old(tmp_slot)=12, \old(used_tmp_slot)=10, freed_tmp_slot=1, tmp_slot={0:0}, used_tmp_slot=0] [L136] CALL ebda_rsrc_controller() VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, freed_tmp_slot=1, tmp_slot={0:0}, used_tmp_slot=0] [L73] struct hotplug_slot *hp_slot_ptr; [L75] struct bus_info *bus_info_ptr1; [L76] int rc; VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, freed_tmp_slot=1, tmp_slot={0:0}, used_tmp_slot=0] [L78] CALL, EXPR kzalloc(sizeof(*hp_slot_ptr), 1) VAL [\old(flags)=1, \old(freed_tmp_slot)=1, \old(size)=8, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, freed_tmp_slot=1, tmp_slot={0:0}, used_tmp_slot=0] [L47] EXPR, FCALL calloc(1, size) VAL [\old(flags)=1, \old(freed_tmp_slot)=1, \old(size)=8, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, calloc(1, size)={8856:0}, flags=1, freed_tmp_slot=1, size=8, tmp_slot={0:0}, used_tmp_slot=0] [L47] return calloc(1, size); VAL [\old(flags)=1, \old(freed_tmp_slot)=1, \old(size)=8, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, \result={8856:0}, calloc(1, size)={8856:0}, flags=1, freed_tmp_slot=1, size=8, tmp_slot={0:0}, used_tmp_slot=0] [L78] RET, EXPR kzalloc(sizeof(*hp_slot_ptr), 1) VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, freed_tmp_slot=1, kzalloc(sizeof(*hp_slot_ptr), 1)={8856:0}, tmp_slot={0:0}, used_tmp_slot=0] [L78] hp_slot_ptr = kzalloc(sizeof(*hp_slot_ptr), 1) [L79] COND FALSE !(!hp_slot_ptr) [L83] hp_slot_ptr->b = 5 VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, freed_tmp_slot=1, hp_slot_ptr={8856:0}, tmp_slot={0:0}, used_tmp_slot=0] [L85] CALL, EXPR kzalloc(sizeof(*tmp_slot), 1) VAL [\old(flags)=1, \old(freed_tmp_slot)=1, \old(size)=16, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, freed_tmp_slot=1, tmp_slot={0:0}, used_tmp_slot=0] [L47] EXPR, FCALL calloc(1, size) VAL [\old(flags)=1, \old(freed_tmp_slot)=1, \old(size)=16, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, calloc(1, size)={-1:0}, flags=1, freed_tmp_slot=1, size=16, tmp_slot={0:0}, used_tmp_slot=0] [L47] return calloc(1, size); VAL [\old(flags)=1, \old(freed_tmp_slot)=1, \old(size)=16, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, \result={-1:0}, calloc(1, size)={-1:0}, flags=1, freed_tmp_slot=1, size=16, tmp_slot={0:0}, used_tmp_slot=0] [L85] RET, EXPR kzalloc(sizeof(*tmp_slot), 1) VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, freed_tmp_slot=1, hp_slot_ptr={8856:0}, kzalloc(sizeof(*tmp_slot), 1)={-1:0}, tmp_slot={0:0}, used_tmp_slot=0] [L85] tmp_slot = kzalloc(sizeof(*tmp_slot), 1) [L87] COND FALSE !(!tmp_slot) [L92] used_tmp_slot = 0 [L93] freed_tmp_slot = 0 [L95] tmp_slot->a = 2 [L96] tmp_slot->b = 3 VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, freed_tmp_slot=0, hp_slot_ptr={8856:0}, tmp_slot={-1:0}, used_tmp_slot=0] [L98] CALL, EXPR ibmphp_find_same_bus_num() VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, freed_tmp_slot=0, tmp_slot={-1:0}, used_tmp_slot=0] [L56] COND TRUE __VERIFIER_nondet_int() [L57] return 0; VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, \result={0:0}, freed_tmp_slot=0, tmp_slot={-1:0}, used_tmp_slot=0] [L98] RET, EXPR ibmphp_find_same_bus_num() VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, freed_tmp_slot=0, hp_slot_ptr={8856:0}, ibmphp_find_same_bus_num()={0:0}, tmp_slot={-1:0}, used_tmp_slot=0] [L98] bus_info_ptr1 = ibmphp_find_same_bus_num() [L99] COND TRUE !bus_info_ptr1 [L100] rc = -3 VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, bus_info_ptr1={0:0}, freed_tmp_slot=0, hp_slot_ptr={8856:0}, rc=-3, tmp_slot={-1:0}, used_tmp_slot=0] [L127] EXPR hp_slot_ptr->private VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, bus_info_ptr1={0:0}, freed_tmp_slot=0, hp_slot_ptr={8856:0}, hp_slot_ptr->private={23:24}, rc=-3, tmp_slot={-1:0}, used_tmp_slot=0] [L127] CALL kfree(hp_slot_ptr->private) VAL [\old(freed_tmp_slot)=0, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, freed_tmp_slot=0, p={23:24}, tmp_slot={-1:0}, used_tmp_slot=0] [L50] COND FALSE !(p!=0 && p==tmp_slot) VAL [\old(freed_tmp_slot)=0, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, freed_tmp_slot=0, p={23:24}, p={23:24}, tmp_slot={-1:0}, used_tmp_slot=0] [L127] RET kfree(hp_slot_ptr->private) VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, bus_info_ptr1={0:0}, freed_tmp_slot=0, hp_slot_ptr={8856:0}, hp_slot_ptr->private={23:24}, rc=-3, tmp_slot={-1:0}, used_tmp_slot=0] [L132] return rc; VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, \result=-3, bus_info_ptr1={0:0}, freed_tmp_slot=0, hp_slot_ptr={8856:0}, rc=-3, tmp_slot={-1:0}, used_tmp_slot=0] [L136] RET ebda_rsrc_controller() VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, ebda_rsrc_controller()=-3, freed_tmp_slot=0, tmp_slot={-1:0}, used_tmp_slot=0] [L137] COND TRUE !used_tmp_slot VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, freed_tmp_slot=0, tmp_slot={-1:0}, used_tmp_slot=0] [L138] (freed_tmp_slot) ? (0) : __blast_assert () VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, freed_tmp_slot=0, tmp_slot={-1:0}, used_tmp_slot=0] [L138] CALL __blast_assert () VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, freed_tmp_slot=0, tmp_slot={-1:0}, used_tmp_slot=0] [L7] __VERIFIER_error() VAL [\old(freed_tmp_slot)=1, \old(tmp_slot)=0, \old(tmp_slot)=0, \old(used_tmp_slot)=0, freed_tmp_slot=0, tmp_slot={-1:0}, used_tmp_slot=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 66 SDtfs, 58 SDslu, 49 SDs, 0 SdLazy, 47 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 1325 SizeOfPredicates, 2 NumberOfNonLiveVariables, 171 ConjunctsInSsa, 6 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...