./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_54b49282-c2f8-4e02-8fe1-b4892e864474/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_54b49282-c2f8-4e02-8fe1-b4892e864474/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_54b49282-c2f8-4e02-8fe1-b4892e864474/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_54b49282-c2f8-4e02-8fe1-b4892e864474/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast_true-termination.c_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_54b49282-c2f8-4e02-8fe1-b4892e864474/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_54b49282-c2f8-4e02-8fe1-b4892e864474/bin-2019/utaipan --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 Taipan --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 0.1.23-635dfa2 [2018-12-02 13:03:06,040 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 13:03:06,041 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 13:03:06,050 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 13:03:06,050 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 13:03:06,051 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 13:03:06,052 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 13:03:06,053 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 13:03:06,054 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 13:03:06,055 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 13:03:06,056 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 13:03:06,056 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 13:03:06,056 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 13:03:06,057 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 13:03:06,058 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 13:03:06,059 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 13:03:06,059 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 13:03:06,061 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 13:03:06,062 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 13:03:06,063 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 13:03:06,064 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 13:03:06,065 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 13:03:06,067 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 13:03:06,067 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 13:03:06,067 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 13:03:06,068 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 13:03:06,069 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 13:03:06,069 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 13:03:06,070 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 13:03:06,070 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 13:03:06,071 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 13:03:06,071 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 13:03:06,071 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 13:03:06,071 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 13:03:06,072 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 13:03:06,072 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 13:03:06,072 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_54b49282-c2f8-4e02-8fe1-b4892e864474/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 13:03:06,079 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 13:03:06,080 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 13:03:06,080 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 13:03:06,080 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 13:03:06,080 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 13:03:06,080 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 13:03:06,080 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 13:03:06,081 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 13:03:06,081 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 13:03:06,081 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 13:03:06,081 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 13:03:06,081 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 13:03:06,081 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 13:03:06,081 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 13:03:06,081 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 13:03:06,082 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 13:03:06,082 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 13:03:06,082 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 13:03:06,082 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 13:03:06,082 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 13:03:06,082 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 13:03:06,082 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 13:03:06,082 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 13:03:06,082 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 13:03:06,082 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 13:03:06,082 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 13:03:06,082 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 13:03:06,083 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 13:03:06,083 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 13:03:06,083 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 13:03:06,083 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 13:03:06,083 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 13:03:06,083 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 13:03:06,083 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 13:03:06,083 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 13:03:06,083 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 13:03:06,083 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_54b49282-c2f8-4e02-8fe1-b4892e864474/bin-2019/utaipan 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 -> Taipan 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 [2018-12-02 13:03:06,101 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 13:03:06,108 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 13:03:06,110 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 13:03:06,111 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 13:03:06,111 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 13:03:06,112 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_54b49282-c2f8-4e02-8fe1-b4892e864474/bin-2019/utaipan/../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast_true-termination.c_false-unreach-call.i [2018-12-02 13:03:06,148 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_54b49282-c2f8-4e02-8fe1-b4892e864474/bin-2019/utaipan/data/e4c4388a3/dae7709ef570498c9f79a824b9f56863/FLAG91501a859 [2018-12-02 13:03:06,545 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 13:03:06,545 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_54b49282-c2f8-4e02-8fe1-b4892e864474/sv-benchmarks/c/ldv-regression/rule57_ebda_blast_true-termination.c_false-unreach-call.i [2018-12-02 13:03:06,548 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_54b49282-c2f8-4e02-8fe1-b4892e864474/bin-2019/utaipan/data/e4c4388a3/dae7709ef570498c9f79a824b9f56863/FLAG91501a859 [2018-12-02 13:03:06,556 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_54b49282-c2f8-4e02-8fe1-b4892e864474/bin-2019/utaipan/data/e4c4388a3/dae7709ef570498c9f79a824b9f56863 [2018-12-02 13:03:06,558 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 13:03:06,559 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 13:03:06,559 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 13:03:06,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 13:03:06,561 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 13:03:06,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:03:06" (1/1) ... [2018-12-02 13:03:06,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@643265e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:06, skipping insertion in model container [2018-12-02 13:03:06,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:03:06" (1/1) ... [2018-12-02 13:03:06,568 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 13:03:06,579 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 13:03:06,671 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:03:06,678 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 13:03:06,691 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:03:06,701 INFO L195 MainTranslator]: Completed translation [2018-12-02 13:03:06,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:06 WrapperNode [2018-12-02 13:03:06,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 13:03:06,701 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 13:03:06,701 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 13:03:06,701 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 13:03:06,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:06" (1/1) ... [2018-12-02 13:03:06,744 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:06" (1/1) ... [2018-12-02 13:03:06,750 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 13:03:06,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 13:03:06,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 13:03:06,750 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 13:03:06,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:06" (1/1) ... [2018-12-02 13:03:06,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:06" (1/1) ... [2018-12-02 13:03:06,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:06" (1/1) ... [2018-12-02 13:03:06,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:06" (1/1) ... [2018-12-02 13:03:06,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:06" (1/1) ... [2018-12-02 13:03:06,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:06" (1/1) ... [2018-12-02 13:03:06,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:06" (1/1) ... [2018-12-02 13:03:06,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 13:03:06,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 13:03:06,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 13:03:06,774 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 13:03:06,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_54b49282-c2f8-4e02-8fe1-b4892e864474/bin-2019/utaipan/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 [2018-12-02 13:03:06,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-02 13:03:06,808 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-12-02 13:03:06,808 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2018-12-02 13:03:06,808 INFO L130 BoogieDeclarations]: Found specification of procedure ebda_rsrc_controller [2018-12-02 13:03:06,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ebda_rsrc_controller [2018-12-02 13:03:06,808 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_init_devno [2018-12-02 13:03:06,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_init_devno [2018-12-02 13:03:06,808 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2018-12-02 13:03:06,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2018-12-02 13:03:06,808 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 13:03:06,809 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 13:03:06,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-02 13:03:06,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 13:03:06,809 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_find_same_bus_num [2018-12-02 13:03:06,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_find_same_bus_num [2018-12-02 13:03:06,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 13:03:06,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 13:03:06,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 13:03:06,809 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2018-12-02 13:03:06,809 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2018-12-02 13:03:06,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 13:03:06,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 13:03:06,809 INFO L130 BoogieDeclarations]: Found specification of procedure fillslotinfo [2018-12-02 13:03:06,809 INFO L138 BoogieDeclarations]: Found implementation of procedure fillslotinfo [2018-12-02 13:03:06,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-12-02 13:03:06,809 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-12-02 13:03:07,009 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 13:03:07,009 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-02 13:03:07,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:03:07 BoogieIcfgContainer [2018-12-02 13:03:07,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 13:03:07,010 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 13:03:07,010 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 13:03:07,012 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 13:03:07,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:03:06" (1/3) ... [2018-12-02 13:03:07,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@281392aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:03:07, skipping insertion in model container [2018-12-02 13:03:07,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:03:06" (2/3) ... [2018-12-02 13:03:07,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@281392aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:03:07, skipping insertion in model container [2018-12-02 13:03:07,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:03:07" (3/3) ... [2018-12-02 13:03:07,014 INFO L112 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast_true-termination.c_false-unreach-call.i [2018-12-02 13:03:07,020 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 13:03:07,024 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 13:03:07,033 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 13:03:07,051 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 13:03:07,051 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 13:03:07,051 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 13:03:07,052 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 13:03:07,052 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 13:03:07,052 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 13:03:07,052 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 13:03:07,052 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 13:03:07,062 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2018-12-02 13:03:07,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 13:03:07,065 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:03:07,066 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, 1] [2018-12-02 13:03:07,067 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:03:07,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:03:07,070 INFO L82 PathProgramCache]: Analyzing trace with hash -239068808, now seen corresponding path program 1 times [2018-12-02 13:03:07,071 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:03:07,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:03:07,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:03:07,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:03:07,099 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:03:07,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:03:07,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:03:07,202 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:03:07,202 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 13:03:07,202 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:03:07,205 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 13:03:07,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 13:03:07,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 13:03:07,215 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 6 states. [2018-12-02 13:03:07,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:03:07,267 INFO L93 Difference]: Finished difference Result 75 states and 86 transitions. [2018-12-02 13:03:07,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 13:03:07,268 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2018-12-02 13:03:07,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:03:07,273 INFO L225 Difference]: With dead ends: 75 [2018-12-02 13:03:07,274 INFO L226 Difference]: Without dead ends: 56 [2018-12-02 13:03:07,275 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 13:03:07,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-12-02 13:03:07,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2018-12-02 13:03:07,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-12-02 13:03:07,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 62 transitions. [2018-12-02 13:03:07,301 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 62 transitions. Word has length 27 [2018-12-02 13:03:07,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:03:07,302 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 62 transitions. [2018-12-02 13:03:07,302 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 13:03:07,302 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 62 transitions. [2018-12-02 13:03:07,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 13:03:07,303 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:03:07,303 INFO L402 BasicCegarLoop]: trace histogram [2, 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] [2018-12-02 13:03:07,303 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:03:07,303 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:03:07,303 INFO L82 PathProgramCache]: Analyzing trace with hash 431913348, now seen corresponding path program 1 times [2018-12-02 13:03:07,304 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:03:07,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:03:07,304 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:03:07,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:03:07,304 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:03:07,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:03:07,355 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 13:03:07,356 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:03:07,356 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 13:03:07,356 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:03:07,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 13:03:07,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 13:03:07,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 13:03:07,357 INFO L87 Difference]: Start difference. First operand 56 states and 62 transitions. Second operand 6 states. [2018-12-02 13:03:07,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:03:07,402 INFO L93 Difference]: Finished difference Result 65 states and 70 transitions. [2018-12-02 13:03:07,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 13:03:07,402 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2018-12-02 13:03:07,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:03:07,403 INFO L225 Difference]: With dead ends: 65 [2018-12-02 13:03:07,403 INFO L226 Difference]: Without dead ends: 56 [2018-12-02 13:03:07,404 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 13:03:07,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-12-02 13:03:07,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2018-12-02 13:03:07,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-12-02 13:03:07,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 61 transitions. [2018-12-02 13:03:07,412 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 61 transitions. Word has length 39 [2018-12-02 13:03:07,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:03:07,412 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 61 transitions. [2018-12-02 13:03:07,412 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 13:03:07,412 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 61 transitions. [2018-12-02 13:03:07,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 13:03:07,413 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:03:07,413 INFO L402 BasicCegarLoop]: trace histogram [2, 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] [2018-12-02 13:03:07,414 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:03:07,414 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:03:07,414 INFO L82 PathProgramCache]: Analyzing trace with hash -530074490, now seen corresponding path program 1 times [2018-12-02 13:03:07,414 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:03:07,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:03:07,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:03:07,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:03:07,415 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:03:07,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:03:07,465 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 13:03:07,465 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:03:07,465 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 13:03:07,465 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:03:07,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 13:03:07,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 13:03:07,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 13:03:07,466 INFO L87 Difference]: Start difference. First operand 56 states and 61 transitions. Second operand 3 states. [2018-12-02 13:03:07,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:03:07,476 INFO L93 Difference]: Finished difference Result 68 states and 72 transitions. [2018-12-02 13:03:07,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 13:03:07,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-02 13:03:07,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:03:07,477 INFO L225 Difference]: With dead ends: 68 [2018-12-02 13:03:07,477 INFO L226 Difference]: Without dead ends: 56 [2018-12-02 13:03:07,478 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 [2018-12-02 13:03:07,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-12-02 13:03:07,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2018-12-02 13:03:07,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-12-02 13:03:07,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 60 transitions. [2018-12-02 13:03:07,482 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 60 transitions. Word has length 52 [2018-12-02 13:03:07,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:03:07,482 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 60 transitions. [2018-12-02 13:03:07,482 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 13:03:07,482 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2018-12-02 13:03:07,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 13:03:07,483 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:03:07,483 INFO L402 BasicCegarLoop]: trace histogram [2, 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] [2018-12-02 13:03:07,483 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:03:07,483 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:03:07,483 INFO L82 PathProgramCache]: Analyzing trace with hash -271909052, now seen corresponding path program 1 times [2018-12-02 13:03:07,484 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:03:07,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:03:07,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:03:07,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:03:07,484 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:03:07,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:03:07,530 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 13:03:07,530 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 13:03:07,530 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 13:03:07,531 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 53 with the following transitions: [2018-12-02 13:03:07,532 INFO L205 CegarAbsIntRunner]: [0], [5], [7], [8], [10], [15], [17], [22], [24], [27], [44], [46], [48], [49], [52], [56], [59], [64], [71], [72], [73], [74], [75], [77], [78], [84], [90], [91], [92], [93], [94], [95], [96], [97], [102], [103], [104], [105], [106], [108], [109], [110], [111], [112] [2018-12-02 13:03:07,558 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 13:03:07,558 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 13:03:07,634 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 13:03:07,635 INFO L272 AbstractInterpreter]: Visited 12 different actions 12 times. Never merged. Never widened. Performed 155 root evaluator evaluations with a maximum evaluation depth of 3. Performed 155 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 36 variables. [2018-12-02 13:03:07,639 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:03:07,639 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 13:03:07,676 INFO L227 lantSequenceWeakener]: Weakened 10 states. On average, predicates are now at 95.21% of their original sizes. [2018-12-02 13:03:07,676 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 13:03:07,694 INFO L418 sIntCurrentIteration]: We unified 51 AI predicates to 51 [2018-12-02 13:03:07,695 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 13:03:07,695 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 13:03:07,695 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-02 13:03:07,695 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:03:07,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 13:03:07,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 13:03:07,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-02 13:03:07,696 INFO L87 Difference]: Start difference. First operand 56 states and 60 transitions. Second operand 6 states. [2018-12-02 13:03:07,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:03:07,801 INFO L93 Difference]: Finished difference Result 114 states and 124 transitions. [2018-12-02 13:03:07,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 13:03:07,801 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2018-12-02 13:03:07,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:03:07,802 INFO L225 Difference]: With dead ends: 114 [2018-12-02 13:03:07,802 INFO L226 Difference]: Without dead ends: 66 [2018-12-02 13:03:07,802 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-02 13:03:07,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-12-02 13:03:07,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2018-12-02 13:03:07,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-12-02 13:03:07,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 70 transitions. [2018-12-02 13:03:07,808 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 70 transitions. Word has length 52 [2018-12-02 13:03:07,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:03:07,808 INFO L480 AbstractCegarLoop]: Abstraction has 66 states and 70 transitions. [2018-12-02 13:03:07,808 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 13:03:07,808 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2018-12-02 13:03:07,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-02 13:03:07,809 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:03:07,809 INFO L402 BasicCegarLoop]: trace histogram [2, 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] [2018-12-02 13:03:07,809 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:03:07,810 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:03:07,810 INFO L82 PathProgramCache]: Analyzing trace with hash 914729528, now seen corresponding path program 1 times [2018-12-02 13:03:07,810 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:03:07,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:03:07,810 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:03:07,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:03:07,811 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:03:07,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:03:07,867 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 13:03:07,868 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:03:07,868 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 13:03:07,868 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:03:07,868 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 13:03:07,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 13:03:07,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 13:03:07,869 INFO L87 Difference]: Start difference. First operand 66 states and 70 transitions. Second operand 6 states. [2018-12-02 13:03:07,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:03:07,915 INFO L93 Difference]: Finished difference Result 108 states and 115 transitions. [2018-12-02 13:03:07,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 13:03:07,915 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2018-12-02 13:03:07,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:03:07,916 INFO L225 Difference]: With dead ends: 108 [2018-12-02 13:03:07,917 INFO L226 Difference]: Without dead ends: 67 [2018-12-02 13:03:07,917 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-12-02 13:03:07,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-12-02 13:03:07,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-12-02 13:03:07,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-12-02 13:03:07,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 71 transitions. [2018-12-02 13:03:07,923 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 71 transitions. Word has length 53 [2018-12-02 13:03:07,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:03:07,924 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 71 transitions. [2018-12-02 13:03:07,924 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 13:03:07,924 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2018-12-02 13:03:07,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-02 13:03:07,925 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:03:07,925 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 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] [2018-12-02 13:03:07,925 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:03:07,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:03:07,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1565403480, now seen corresponding path program 2 times [2018-12-02 13:03:07,925 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:03:07,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:03:07,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:03:07,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:03:07,926 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:03:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 13:03:07,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 13:03:07,984 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 13:03:08,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:03:08 BoogieIcfgContainer [2018-12-02 13:03:08,014 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 13:03:08,015 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 13:03:08,015 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 13:03:08,015 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 13:03:08,015 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:03:07" (3/4) ... [2018-12-02 13:03:08,017 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 13:03:08,054 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_54b49282-c2f8-4e02-8fe1-b4892e864474/bin-2019/utaipan/witness.graphml [2018-12-02 13:03:08,054 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 13:03:08,055 INFO L168 Benchmark]: Toolchain (without parser) took 1496.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 957.1 MB in the beginning and 916.4 MB in the end (delta: 40.7 MB). Peak memory consumption was 137.2 MB. Max. memory is 11.5 GB. [2018-12-02 13:03:08,055 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:03:08,056 INFO L168 Benchmark]: CACSL2BoogieTranslator took 141.95 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 946.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 13:03:08,056 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.57 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -148.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-12-02 13:03:08,056 INFO L168 Benchmark]: Boogie Preprocessor took 23.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 13:03:08,057 INFO L168 Benchmark]: RCFGBuilder took 236.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-02 13:03:08,057 INFO L168 Benchmark]: TraceAbstraction took 1004.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 916.4 MB in the end (delta: 150.4 MB). Peak memory consumption was 150.4 MB. Max. memory is 11.5 GB. [2018-12-02 13:03:08,057 INFO L168 Benchmark]: Witness Printer took 39.33 ms. Allocated memory is still 1.1 GB. Free memory is still 916.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:03:08,059 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 141.95 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 946.3 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 48.57 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -148.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 236.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1004.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 916.4 MB in the end (delta: 150.4 MB). Peak memory consumption was 150.4 MB. Max. memory is 11.5 GB. * Witness Printer took 39.33 ms. Allocated memory is still 1.1 GB. Free memory is still 916.4 MB. There was no memory consumed. 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)=25, \old(tmp_slot)=19, \old(used_tmp_slot)=27, 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)={26:0}, 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={26:0}, calloc(1, size)={26:0}, 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)={26:0}, 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={26:0}, 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={26:0}, 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={26:0}, 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={26:0}, 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={26:0}, 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={26:0}, hp_slot_ptr->private={0:0}, 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={0:0}, 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={0:0}, p={0:0}, 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={26:0}, hp_slot_ptr->private={0:0}, 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={26:0}, 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, 62 locations, 1 error locations. UNSAFE Result, 0.9s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 293 SDtfs, 93 SDslu, 875 SDs, 0 SdLazy, 77 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 77 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9763598249757419 AbsIntWeakeningRatio, 1.2941176470588236 AbsIntAvgWeakeningVarsNumRemoved, 2.0980392156862746 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 277 NumberOfCodeBlocks, 277 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 13538 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 31/38 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...