./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/ldv-regression/rule57_ebda_blast_true-termination.c_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/ldv-regression/rule57_ebda_blast_true-termination.c_false-unreach-call.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b39600b9df22c6d48a4a2c98275a4ced37851cc3 ........................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 18:07:06,891 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:07:06,893 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:07:06,906 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:07:06,906 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:07:06,907 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:07:06,909 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:07:06,912 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:07:06,914 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:07:06,915 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:07:06,916 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:07:06,917 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:07:06,918 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:07:06,919 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:07:06,920 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:07:06,921 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:07:06,923 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:07:06,925 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:07:06,927 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:07:06,929 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:07:06,931 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:07:06,932 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:07:06,935 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:07:06,936 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:07:06,936 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:07:06,938 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:07:06,939 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:07:06,940 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:07:06,941 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:07:06,943 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:07:06,943 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:07:06,944 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:07:06,944 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:07:06,944 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:07:06,946 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:07:06,947 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:07:06,948 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:07:06,977 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:07:06,978 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:07:06,979 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:07:06,979 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:07:06,979 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:07:06,981 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:07:06,981 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:07:06,982 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:07:06,982 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:07:06,982 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:07:06,982 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:07:06,982 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:07:06,982 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:07:06,983 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:07:06,984 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:07:06,984 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:07:06,985 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:07:06,986 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:07:06,987 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:07:06,987 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:07:06,987 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:07:06,987 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:07:06,988 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:07:06,988 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:07:06,988 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:07:06,988 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:07:06,988 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:07:06,988 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:07:06,989 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:07:06,989 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:07:06,989 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b39600b9df22c6d48a4a2c98275a4ced37851cc3 [2018-11-28 18:07:07,056 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:07:07,069 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:07:07,074 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:07:07,076 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:07:07,077 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:07:07,077 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-regression/rule57_ebda_blast_true-termination.c_false-unreach-call.i [2018-11-28 18:07:07,145 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3c9a00be/9dbd1a30ae02468592a8bc82c516adc4/FLAG6c66b0450 [2018-11-28 18:07:07,610 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:07:07,610 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-regression/rule57_ebda_blast_true-termination.c_false-unreach-call.i [2018-11-28 18:07:07,618 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3c9a00be/9dbd1a30ae02468592a8bc82c516adc4/FLAG6c66b0450 [2018-11-28 18:07:07,992 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3c9a00be/9dbd1a30ae02468592a8bc82c516adc4 [2018-11-28 18:07:07,996 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:07:07,997 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:07:08,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:07:08,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:07:08,007 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:07:08,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:07:07" (1/1) ... [2018-11-28 18:07:08,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3da6e901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:07:08, skipping insertion in model container [2018-11-28 18:07:08,013 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:07:07" (1/1) ... [2018-11-28 18:07:08,021 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:07:08,048 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:07:08,286 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:07:08,306 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:07:08,344 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:07:08,372 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:07:08,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:07:08 WrapperNode [2018-11-28 18:07:08,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:07:08,374 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:07:08,374 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:07:08,374 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:07:08,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:07:08" (1/1) ... [2018-11-28 18:07:08,393 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:07:08" (1/1) ... [2018-11-28 18:07:08,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:07:08,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:07:08,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:07:08,401 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:07:08,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:07:08" (1/1) ... [2018-11-28 18:07:08,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:07:08" (1/1) ... [2018-11-28 18:07:08,417 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:07:08" (1/1) ... [2018-11-28 18:07:08,418 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:07:08" (1/1) ... [2018-11-28 18:07:08,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:07:08" (1/1) ... [2018-11-28 18:07:08,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:07:08" (1/1) ... [2018-11-28 18:07:08,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:07:08" (1/1) ... [2018-11-28 18:07:08,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:07:08,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:07:08,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:07:08,438 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:07:08,439 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:07:08" (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 [2018-11-28 18:07:08,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-28 18:07:08,575 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-28 18:07:08,575 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2018-11-28 18:07:08,575 INFO L130 BoogieDeclarations]: Found specification of procedure ebda_rsrc_controller [2018-11-28 18:07:08,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ebda_rsrc_controller [2018-11-28 18:07:08,575 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_init_devno [2018-11-28 18:07:08,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_init_devno [2018-11-28 18:07:08,576 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2018-11-28 18:07:08,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2018-11-28 18:07:08,576 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:07:08,576 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:07:08,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-28 18:07:08,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 18:07:08,578 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_find_same_bus_num [2018-11-28 18:07:08,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_find_same_bus_num [2018-11-28 18:07:08,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:07:08,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:07:08,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:07:08,579 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2018-11-28 18:07:08,579 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2018-11-28 18:07:08,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:07:08,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:07:08,579 INFO L130 BoogieDeclarations]: Found specification of procedure fillslotinfo [2018-11-28 18:07:08,579 INFO L138 BoogieDeclarations]: Found implementation of procedure fillslotinfo [2018-11-28 18:07:08,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-28 18:07:08,581 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-28 18:07:09,088 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:07:09,089 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 18:07:09,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:07:09 BoogieIcfgContainer [2018-11-28 18:07:09,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:07:09,090 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:07:09,090 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:07:09,094 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:07:09,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:07:07" (1/3) ... [2018-11-28 18:07:09,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1258f999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:07:09, skipping insertion in model container [2018-11-28 18:07:09,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:07:08" (2/3) ... [2018-11-28 18:07:09,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1258f999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:07:09, skipping insertion in model container [2018-11-28 18:07:09,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:07:09" (3/3) ... [2018-11-28 18:07:09,099 INFO L112 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast_true-termination.c_false-unreach-call.i [2018-11-28 18:07:09,110 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:07:09,120 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:07:09,139 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:07:09,175 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:07:09,175 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:07:09,175 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:07:09,176 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:07:09,176 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:07:09,176 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:07:09,176 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:07:09,176 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:07:09,177 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:07:09,196 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2018-11-28 18:07:09,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-28 18:07:09,204 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:07:09,205 INFO L402 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] [2018-11-28 18:07:09,207 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:07:09,212 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:07:09,212 INFO L82 PathProgramCache]: Analyzing trace with hash 1221084160, now seen corresponding path program 1 times [2018-11-28 18:07:09,214 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:07:09,215 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:07:09,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:07:09,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:07:09,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:07:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:07:09,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:07:09,553 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:07:09,554 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:07:09,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:07:09,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:07:09,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:07:09,576 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 6 states. [2018-11-28 18:07:10,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:07:10,013 INFO L93 Difference]: Finished difference Result 74 states and 84 transitions. [2018-11-28 18:07:10,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:07:10,015 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2018-11-28 18:07:10,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:07:10,027 INFO L225 Difference]: With dead ends: 74 [2018-11-28 18:07:10,027 INFO L226 Difference]: Without dead ends: 55 [2018-11-28 18:07:10,033 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:07:10,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-11-28 18:07:10,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-11-28 18:07:10,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-11-28 18:07:10,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 60 transitions. [2018-11-28 18:07:10,103 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 60 transitions. Word has length 26 [2018-11-28 18:07:10,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:07:10,106 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 60 transitions. [2018-11-28 18:07:10,106 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:07:10,106 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 60 transitions. [2018-11-28 18:07:10,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-28 18:07:10,110 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:07:10,111 INFO L402 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] [2018-11-28 18:07:10,112 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:07:10,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:07:10,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1548257788, now seen corresponding path program 1 times [2018-11-28 18:07:10,113 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:07:10,113 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:07:10,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:07:10,116 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:07:10,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:07:10,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:07:10,346 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-28 18:07:10,347 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:07:10,347 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:07:10,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:07:10,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:07:10,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:07:10,353 INFO L87 Difference]: Start difference. First operand 55 states and 60 transitions. Second operand 6 states. [2018-11-28 18:07:10,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:07:10,494 INFO L93 Difference]: Finished difference Result 64 states and 68 transitions. [2018-11-28 18:07:10,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:07:10,495 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2018-11-28 18:07:10,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:07:10,497 INFO L225 Difference]: With dead ends: 64 [2018-11-28 18:07:10,497 INFO L226 Difference]: Without dead ends: 55 [2018-11-28 18:07:10,498 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:07:10,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-11-28 18:07:10,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-11-28 18:07:10,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-11-28 18:07:10,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 59 transitions. [2018-11-28 18:07:10,512 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 59 transitions. Word has length 37 [2018-11-28 18:07:10,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:07:10,513 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 59 transitions. [2018-11-28 18:07:10,513 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:07:10,513 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2018-11-28 18:07:10,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-28 18:07:10,515 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:07:10,515 INFO L402 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] [2018-11-28 18:07:10,516 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:07:10,516 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:07:10,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1101491314, now seen corresponding path program 1 times [2018-11-28 18:07:10,516 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:07:10,517 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:07:10,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:07:10,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:07:10,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:07:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:07:10,614 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-28 18:07:10,614 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:07:10,614 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:07:10,615 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:07:10,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:07:10,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:07:10,616 INFO L87 Difference]: Start difference. First operand 55 states and 59 transitions. Second operand 3 states. [2018-11-28 18:07:10,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:07:10,637 INFO L93 Difference]: Finished difference Result 67 states and 70 transitions. [2018-11-28 18:07:10,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:07:10,638 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2018-11-28 18:07:10,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:07:10,641 INFO L225 Difference]: With dead ends: 67 [2018-11-28 18:07:10,642 INFO L226 Difference]: Without dead ends: 55 [2018-11-28 18:07:10,642 INFO L631 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 [2018-11-28 18:07:10,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-11-28 18:07:10,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-11-28 18:07:10,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-11-28 18:07:10,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 58 transitions. [2018-11-28 18:07:10,666 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 58 transitions. Word has length 50 [2018-11-28 18:07:10,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:07:10,667 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 58 transitions. [2018-11-28 18:07:10,667 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:07:10,667 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 58 transitions. [2018-11-28 18:07:10,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-28 18:07:10,672 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:07:10,673 INFO L402 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] [2018-11-28 18:07:10,673 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:07:10,673 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:07:10,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1359656752, now seen corresponding path program 1 times [2018-11-28 18:07:10,674 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:07:10,674 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:07:10,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:07:10,677 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:07:10,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:07:10,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 18:07:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 18:07:10,861 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 18:07:10,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:07:10 BoogieIcfgContainer [2018-11-28 18:07:10,935 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:07:10,936 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:07:10,936 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:07:10,936 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:07:10,937 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:07:09" (3/4) ... [2018-11-28 18:07:10,939 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 18:07:11,046 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:07:11,047 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:07:11,048 INFO L168 Benchmark]: Toolchain (without parser) took 3051.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 951.3 MB in the beginning and 1.0 GB in the end (delta: -53.0 MB). Peak memory consumption was 59.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:07:11,050 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:07:11,050 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.35 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:07:11,051 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.39 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 18:07:11,052 INFO L168 Benchmark]: Boogie Preprocessor took 37.11 ms. Allocated memory is still 1.0 GB. Free memory is still 935.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:07:11,052 INFO L168 Benchmark]: RCFGBuilder took 651.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -144.2 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-11-28 18:07:11,053 INFO L168 Benchmark]: TraceAbstraction took 1845.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.3 MB). Peak memory consumption was 68.3 MB. Max. memory is 11.5 GB. [2018-11-28 18:07:11,054 INFO L168 Benchmark]: Witness Printer took 111.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:07:11,058 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 371.35 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.39 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.11 ms. Allocated memory is still 1.0 GB. Free memory is still 935.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 651.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -144.2 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1845.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.3 MB). Peak memory consumption was 68.3 MB. Max. memory is 11.5 GB. * Witness Printer took 111.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 6]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L39] struct slot *tmp_slot; [L40] int used_tmp_slot = 0; [L41] int freed_tmp_slot = 1; VAL [\old(freed_tmp_slot)=29, \old(tmp_slot)=22, \old(tmp_slot)=19, \old(used_tmp_slot)=25, freed_tmp_slot=1, tmp_slot={0:0}, used_tmp_slot=0] [L135] 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] [L72] struct hotplug_slot *hp_slot_ptr; [L74] struct bus_info *bus_info_ptr1; [L75] 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] [L77] 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] [L46] 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)={23:0}, flags=1, freed_tmp_slot=1, size=8, tmp_slot={0:0}, used_tmp_slot=0] [L46] 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={23:0}, calloc(1, size)={23:0}, flags=1, freed_tmp_slot=1, size=8, tmp_slot={0:0}, used_tmp_slot=0] [L77] 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)={23:0}, tmp_slot={0:0}, used_tmp_slot=0] [L77] hp_slot_ptr = kzalloc(sizeof(*hp_slot_ptr), 1) [L78] COND FALSE !(!hp_slot_ptr) [L82] 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={23:0}, tmp_slot={0:0}, used_tmp_slot=0] [L84] 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] [L46] 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)={30:0}, flags=1, freed_tmp_slot=1, size=16, tmp_slot={0:0}, used_tmp_slot=0] [L46] 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={30:0}, calloc(1, size)={30:0}, flags=1, freed_tmp_slot=1, size=16, tmp_slot={0:0}, used_tmp_slot=0] [L84] 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={23:0}, kzalloc(sizeof(*tmp_slot), 1)={30:0}, tmp_slot={0:0}, used_tmp_slot=0] [L84] tmp_slot = kzalloc(sizeof(*tmp_slot), 1) [L86] COND FALSE !(!tmp_slot) [L91] used_tmp_slot = 0 [L92] freed_tmp_slot = 0 [L94] tmp_slot->a = 2 [L95] 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={23:0}, tmp_slot={30:0}, used_tmp_slot=0] [L97] 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={30:0}, used_tmp_slot=0] [L56] return __VERIFIER_nondet_pointer(); [L97] 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={23:0}, ibmphp_find_same_bus_num()={0:0}, tmp_slot={30:0}, used_tmp_slot=0] [L97] bus_info_ptr1 = ibmphp_find_same_bus_num() [L98] COND TRUE !bus_info_ptr1 [L99] 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={23:0}, rc=-3, tmp_slot={30:0}, used_tmp_slot=0] [L126] 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={23:0}, hp_slot_ptr->private={0:24}, rc=-3, tmp_slot={30:0}, used_tmp_slot=0] [L126] 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={0:24}, tmp_slot={30:0}, used_tmp_slot=0] [L49] 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={0:24}, p={0:24}, tmp_slot={30:0}, used_tmp_slot=0] [L126] 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={23:0}, hp_slot_ptr->private={0:24}, rc=-3, tmp_slot={30:0}, used_tmp_slot=0] [L131] 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={23:0}, rc=-3, tmp_slot={30:0}, used_tmp_slot=0] [L135] 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={30:0}, used_tmp_slot=0] [L136] 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={30:0}, used_tmp_slot=0] [L137] (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={30:0}, used_tmp_slot=0] [L137] 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={30:0}, used_tmp_slot=0] [L6] __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={30:0}, used_tmp_slot=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 61 locations, 1 error locations. UNSAFE Result, 1.7s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 172 SDtfs, 78 SDslu, 423 SDs, 0 SdLazy, 46 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 163 NumberOfCodeBlocks, 163 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 6302 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 16/16 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...