./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1251b_true-unreach-call.c --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_0b7b599c-f6af-4b59-9f44-6ef0b1cc8282/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0b7b599c-f6af-4b59-9f44-6ef0b1cc8282/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0b7b599c-f6af-4b59-9f44-6ef0b1cc8282/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0b7b599c-f6af-4b59-9f44-6ef0b1cc8282/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1251b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0b7b599c-f6af-4b59-9f44-6ef0b1cc8282/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0b7b599c-f6af-4b59-9f44-6ef0b1cc8282/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 26bba4d307ba1cab1a3fe043c826d85928a7cf56 ................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0b7b599c-f6af-4b59-9f44-6ef0b1cc8282/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0b7b599c-f6af-4b59-9f44-6ef0b1cc8282/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0b7b599c-f6af-4b59-9f44-6ef0b1cc8282/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0b7b599c-f6af-4b59-9f44-6ef0b1cc8282/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1251b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0b7b599c-f6af-4b59-9f44-6ef0b1cc8282/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0b7b599c-f6af-4b59-9f44-6ef0b1cc8282/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 26bba4d307ba1cab1a3fe043c826d85928a7cf56 ...................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 13:41:05,039 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 13:41:05,040 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 13:41:05,046 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 13:41:05,046 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 13:41:05,046 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 13:41:05,047 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 13:41:05,048 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 13:41:05,049 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 13:41:05,049 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 13:41:05,050 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 13:41:05,050 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 13:41:05,050 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 13:41:05,051 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 13:41:05,051 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 13:41:05,052 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 13:41:05,052 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 13:41:05,053 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 13:41:05,054 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 13:41:05,054 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 13:41:05,055 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 13:41:05,055 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 13:41:05,057 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 13:41:05,057 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 13:41:05,057 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 13:41:05,057 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 13:41:05,058 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 13:41:05,058 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 13:41:05,059 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 13:41:05,059 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 13:41:05,059 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 13:41:05,060 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 13:41:05,060 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 13:41:05,060 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 13:41:05,060 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 13:41:05,061 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 13:41:05,061 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0b7b599c-f6af-4b59-9f44-6ef0b1cc8282/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 13:41:05,068 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 13:41:05,068 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 13:41:05,068 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 13:41:05,069 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 13:41:05,069 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 13:41:05,069 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 13:41:05,069 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 13:41:05,069 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 13:41:05,070 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 13:41:05,070 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 13:41:05,070 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 13:41:05,070 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 13:41:05,070 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 13:41:05,070 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 13:41:05,070 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 13:41:05,070 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 13:41:05,070 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 13:41:05,071 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 13:41:05,071 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 13:41:05,071 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 13:41:05,071 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 13:41:05,071 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 13:41:05,071 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 13:41:05,071 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 13:41:05,072 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 13:41:05,072 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 13:41:05,072 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 13:41:05,072 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 13:41:05,072 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 13:41:05,072 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_0b7b599c-f6af-4b59-9f44-6ef0b1cc8282/bin-2019/ukojak 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 -> Kojak 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 -> 26bba4d307ba1cab1a3fe043c826d85928a7cf56 [2018-12-02 13:41:05,090 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 13:41:05,097 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 13:41:05,099 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 13:41:05,100 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 13:41:05,100 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 13:41:05,101 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0b7b599c-f6af-4b59-9f44-6ef0b1cc8282/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/double_req_bl_1251b_true-unreach-call.c [2018-12-02 13:41:05,138 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0b7b599c-f6af-4b59-9f44-6ef0b1cc8282/bin-2019/ukojak/data/780370b32/35c66fe814304ba6b11eb81f2e02d6c8/FLAGca5a6ccae [2018-12-02 13:41:05,460 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 13:41:05,460 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0b7b599c-f6af-4b59-9f44-6ef0b1cc8282/sv-benchmarks/c/float-newlib/double_req_bl_1251b_true-unreach-call.c [2018-12-02 13:41:05,464 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0b7b599c-f6af-4b59-9f44-6ef0b1cc8282/bin-2019/ukojak/data/780370b32/35c66fe814304ba6b11eb81f2e02d6c8/FLAGca5a6ccae [2018-12-02 13:41:05,472 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0b7b599c-f6af-4b59-9f44-6ef0b1cc8282/bin-2019/ukojak/data/780370b32/35c66fe814304ba6b11eb81f2e02d6c8 [2018-12-02 13:41:05,475 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 13:41:05,476 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 13:41:05,476 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 13:41:05,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 13:41:05,478 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 13:41:05,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:41:05" (1/1) ... [2018-12-02 13:41:05,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26c1f7bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:41:05, skipping insertion in model container [2018-12-02 13:41:05,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:41:05" (1/1) ... [2018-12-02 13:41:05,484 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 13:41:05,494 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 13:41:05,584 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:41:05,586 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 13:41:05,600 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:41:05,612 INFO L195 MainTranslator]: Completed translation [2018-12-02 13:41:05,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:41:05 WrapperNode [2018-12-02 13:41:05,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 13:41:05,613 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 13:41:05,613 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 13:41:05,613 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 13:41:05,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:41:05" (1/1) ... [2018-12-02 13:41:05,623 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:41:05" (1/1) ... [2018-12-02 13:41:05,664 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 13:41:05,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 13:41:05,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 13:41:05,665 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 13:41:05,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:41:05" (1/1) ... [2018-12-02 13:41:05,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:41:05" (1/1) ... [2018-12-02 13:41:05,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:41:05" (1/1) ... [2018-12-02 13:41:05,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:41:05" (1/1) ... [2018-12-02 13:41:05,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:41:05" (1/1) ... [2018-12-02 13:41:05,678 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:41:05" (1/1) ... [2018-12-02 13:41:05,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:41:05" (1/1) ... [2018-12-02 13:41:05,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 13:41:05,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 13:41:05,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 13:41:05,681 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 13:41:05,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:41:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b7b599c-f6af-4b59-9f44-6ef0b1cc8282/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-12-02 13:41:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2018-12-02 13:41:05,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2018-12-02 13:41:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-02 13:41:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 13:41:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 13:41:05,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 13:41:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 13:41:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 13:41:05,920 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 13:41:05,920 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-02 13:41:05,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:41:05 BoogieIcfgContainer [2018-12-02 13:41:05,921 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 13:41:05,921 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 13:41:05,921 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 13:41:05,928 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 13:41:05,928 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:41:05" (1/1) ... [2018-12-02 13:41:05,935 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:41:05,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:41:05,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2018-12-02 13:41:05,957 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2018-12-02 13:41:05,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 13:41:05,960 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:41:06,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:41:06,029 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 13:41:06,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:41:06,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2018-12-02 13:41:06,036 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2018-12-02 13:41:06,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 13:41:06,036 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:41:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 13:41:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 13:41:06,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 13:41:06,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 13:41:06,120 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-12-02 13:41:06,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 01:41:06 ImpRootNode [2018-12-02 13:41:06,145 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 13:41:06,146 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 13:41:06,146 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 13:41:06,146 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 13:41:06,146 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:41:05" (3/4) ... [2018-12-02 13:41:06,149 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 13:41:06,149 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 13:41:06,150 INFO L168 Benchmark]: Toolchain (without parser) took 675.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -121.8 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2018-12-02 13:41:06,151 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:41:06,152 INFO L168 Benchmark]: CACSL2BoogieTranslator took 136.69 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 13:41:06,152 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -189.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-12-02 13:41:06,153 INFO L168 Benchmark]: Boogie Preprocessor took 16.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:41:06,153 INFO L168 Benchmark]: RCFGBuilder took 240.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. [2018-12-02 13:41:06,154 INFO L168 Benchmark]: CodeCheck took 224.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-12-02 13:41:06,154 INFO L168 Benchmark]: Witness Printer took 3.96 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:41:06,156 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 29 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 19 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 78]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 77, overapproximation of someBinaryArithmeticDOUBLEoperation at line 65. Possible FailurePath: [L64] double x = __VERIFIER_nondet_double(); [L65] double y = 0.0 / 0.0; [L16] return x != x; [L72] COND TRUE !isnan_double(x) [L55] CALL, EXPR __fpclassify_double(x) VAL [\old(x)=1] [L27] __uint32_t msw, lsw; VAL [\old(x)=1, x=1] [L30] ieee_double_shape_type ew_u; [L31] ew_u.value = (x) [L32] EXPR ew_u.parts.msw [L32] (msw) = ew_u.parts.msw [L33] EXPR ew_u.parts.lsw [L33] (lsw) = ew_u.parts.lsw [L36-L37] COND FALSE !((msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000)) [L39-L40] COND FALSE !((msw >= 0x00100000 && msw <= 0x7fefffff) || (msw >= 0x80100000 && msw <= 0xffefffff)) [L42-L43] COND FALSE !(( msw <= 0x000fffff) || (msw >= 0x80000000 && msw <= 0x800fffff)) [L46-L47] COND FALSE !((msw == 0x7ff00000 && lsw == 0x00000000) || (msw == 0xfff00000 && lsw == 0x00000000)) [L50] return 0; [L55] RET, EXPR __fpclassify_double(x) [L55] COND TRUE __fpclassify_double(x) == 0 [L56] return y; [L74] double res = fmax_double(x, y); [L77] COND TRUE res != x [L78] __VERIFIER_error() * 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 136.69 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 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 51.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -189.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 240.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. * CodeCheck took 224.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.96 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-02 13:41:07,565 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 13:41:07,566 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 13:41:07,572 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 13:41:07,572 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 13:41:07,572 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 13:41:07,573 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 13:41:07,574 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 13:41:07,574 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 13:41:07,575 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 13:41:07,575 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 13:41:07,575 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 13:41:07,576 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 13:41:07,576 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 13:41:07,577 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 13:41:07,577 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 13:41:07,578 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 13:41:07,578 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 13:41:07,579 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 13:41:07,580 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 13:41:07,581 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 13:41:07,581 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 13:41:07,582 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 13:41:07,583 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 13:41:07,583 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 13:41:07,583 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 13:41:07,584 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 13:41:07,584 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 13:41:07,584 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 13:41:07,585 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 13:41:07,585 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 13:41:07,585 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 13:41:07,585 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 13:41:07,585 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 13:41:07,586 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 13:41:07,586 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 13:41:07,586 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0b7b599c-f6af-4b59-9f44-6ef0b1cc8282/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-02 13:41:07,594 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 13:41:07,594 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 13:41:07,594 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 13:41:07,594 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 13:41:07,595 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 13:41:07,595 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 13:41:07,595 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 13:41:07,595 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 13:41:07,595 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 13:41:07,595 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 13:41:07,595 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 13:41:07,595 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 13:41:07,596 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 13:41:07,596 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 13:41:07,596 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 13:41:07,596 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 13:41:07,596 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 13:41:07,596 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 13:41:07,596 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 13:41:07,596 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 13:41:07,596 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 13:41:07,596 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 13:41:07,596 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 13:41:07,597 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 13:41:07,597 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 13:41:07,597 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 13:41:07,597 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 13:41:07,597 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-02 13:41:07,597 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 13:41:07,597 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 13:41:07,597 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 13:41:07,597 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 13:41:07,597 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_0b7b599c-f6af-4b59-9f44-6ef0b1cc8282/bin-2019/ukojak 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 -> Kojak 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 -> 26bba4d307ba1cab1a3fe043c826d85928a7cf56 [2018-12-02 13:41:07,615 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 13:41:07,622 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 13:41:07,624 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 13:41:07,625 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 13:41:07,625 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 13:41:07,626 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0b7b599c-f6af-4b59-9f44-6ef0b1cc8282/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/double_req_bl_1251b_true-unreach-call.c [2018-12-02 13:41:07,664 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0b7b599c-f6af-4b59-9f44-6ef0b1cc8282/bin-2019/ukojak/data/e864dc068/727b51639426490bbebcd1a682552af6/FLAGe9f777968 [2018-12-02 13:41:08,109 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 13:41:08,110 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0b7b599c-f6af-4b59-9f44-6ef0b1cc8282/sv-benchmarks/c/float-newlib/double_req_bl_1251b_true-unreach-call.c [2018-12-02 13:41:08,114 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0b7b599c-f6af-4b59-9f44-6ef0b1cc8282/bin-2019/ukojak/data/e864dc068/727b51639426490bbebcd1a682552af6/FLAGe9f777968 [2018-12-02 13:41:08,123 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0b7b599c-f6af-4b59-9f44-6ef0b1cc8282/bin-2019/ukojak/data/e864dc068/727b51639426490bbebcd1a682552af6 [2018-12-02 13:41:08,125 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 13:41:08,126 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 13:41:08,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 13:41:08,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 13:41:08,128 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 13:41:08,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:41:08" (1/1) ... [2018-12-02 13:41:08,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@284ba15b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:41:08, skipping insertion in model container [2018-12-02 13:41:08,131 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:41:08" (1/1) ... [2018-12-02 13:41:08,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 13:41:08,146 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 13:41:08,253 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:41:08,257 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 13:41:08,276 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:41:08,294 INFO L195 MainTranslator]: Completed translation [2018-12-02 13:41:08,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:41:08 WrapperNode [2018-12-02 13:41:08,295 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 13:41:08,295 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 13:41:08,295 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 13:41:08,295 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 13:41:08,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:41:08" (1/1) ... [2018-12-02 13:41:08,306 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:41:08" (1/1) ... [2018-12-02 13:41:08,317 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 13:41:08,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 13:41:08,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 13:41:08,317 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 13:41:08,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:41:08" (1/1) ... [2018-12-02 13:41:08,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:41:08" (1/1) ... [2018-12-02 13:41:08,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:41:08" (1/1) ... [2018-12-02 13:41:08,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:41:08" (1/1) ... [2018-12-02 13:41:08,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:41:08" (1/1) ... [2018-12-02 13:41:08,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:41:08" (1/1) ... [2018-12-02 13:41:08,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:41:08" (1/1) ... [2018-12-02 13:41:08,334 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 13:41:08,334 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 13:41:08,335 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 13:41:08,335 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 13:41:08,335 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:41:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b7b599c-f6af-4b59-9f44-6ef0b1cc8282/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-12-02 13:41:08,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-02 13:41:08,400 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2018-12-02 13:41:08,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2018-12-02 13:41:08,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 13:41:08,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 13:41:08,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 13:41:08,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 13:41:08,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 13:41:08,516 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:41:08,685 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 13:41:08,685 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-02 13:41:08,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:41:08 BoogieIcfgContainer [2018-12-02 13:41:08,686 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 13:41:08,686 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 13:41:08,686 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 13:41:08,693 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 13:41:08,693 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:41:08" (1/1) ... [2018-12-02 13:41:08,700 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:41:08,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:41:08,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2018-12-02 13:41:08,722 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2018-12-02 13:41:08,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 13:41:08,725 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:41:08,758 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 13:41:08,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:41:08,781 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:41:08,791 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 13:41:08,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:41:08,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2018-12-02 13:41:08,799 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2018-12-02 13:41:08,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 13:41:08,800 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:41:08,801 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 13:41:08,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:41:08,835 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:41:08,890 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 13:41:08,891 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 13:41:08,895 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2018-12-02 13:41:08,932 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 24 [2018-12-02 13:41:08,933 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 13:41:08,944 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-12-02 13:41:08,949 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 4 [2018-12-02 13:41:08,949 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 13:41:08,953 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 13:41:08,956 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 13:41:08,970 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 13:41:08,970 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:46, output treesize:18 [2018-12-02 13:41:14,361 WARN L180 SmtUtils]: Spent 3.75 s on a formula simplification. DAG size of input: 4200 DAG size of output: 215 [2018-12-02 13:41:14,413 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 13:41:15,041 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2018-12-02 13:41:15,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:41:15,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 19 transitions. [2018-12-02 13:41:15,224 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2018-12-02 13:41:15,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 13:41:15,224 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 13:41:15,225 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 13:41:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:41:15,287 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:41:15,446 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 13:41:15,446 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 13:41:15,447 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2018-12-02 13:41:15,478 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 13:41:15,485 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 24 [2018-12-02 13:41:15,486 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 13:41:15,496 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-12-02 13:41:15,504 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 4 [2018-12-02 13:41:15,504 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 13:41:15,507 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 13:41:15,509 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 13:41:15,518 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 13:41:15,518 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:46, output treesize:18 [2018-12-02 13:41:17,916 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 13 [2018-12-02 13:41:18,088 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 13:41:19,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 13:41:19,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 16 states and 17 transitions. [2018-12-02 13:41:19,466 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-12-02 13:41:19,466 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 13:41:19,466 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2018-12-02 13:41:19,472 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 13:41:19,717 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2018-12-02 13:41:19,739 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 13:41:19,740 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-02 13:41:19,744 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 13:41:19,744 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 13:41:19,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 01:41:19 ImpRootNode [2018-12-02 13:41:19,745 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 13:41:19,745 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 13:41:19,745 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 13:41:19,745 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 13:41:19,745 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:41:08" (3/4) ... [2018-12-02 13:41:19,747 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 13:41:19,750 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __fpclassify_double [2018-12-02 13:41:19,753 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-12-02 13:41:19,753 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-02 13:41:19,753 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 13:41:19,769 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-02 13:41:19,784 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0b7b599c-f6af-4b59-9f44-6ef0b1cc8282/bin-2019/ukojak/witness.graphml [2018-12-02 13:41:19,784 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 13:41:19,784 INFO L168 Benchmark]: Toolchain (without parser) took 11659.20 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 305.7 MB). Free memory was 944.7 MB in the beginning and 1.3 GB in the end (delta: -354.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:41:19,785 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:41:19,785 INFO L168 Benchmark]: CACSL2BoogieTranslator took 168.49 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 13:41:19,785 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.19 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 13:41:19,785 INFO L168 Benchmark]: Boogie Preprocessor took 16.95 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:41:19,786 INFO L168 Benchmark]: RCFGBuilder took 351.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -172.4 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-12-02 13:41:19,786 INFO L168 Benchmark]: CodeCheck took 11058.67 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 166.7 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -200.0 MB). Peak memory consumption was 425.0 MB. Max. memory is 11.5 GB. [2018-12-02 13:41:19,786 INFO L168 Benchmark]: Witness Printer took 39.13 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 11.5 GB. [2018-12-02 13:41:19,787 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 27 locations, 1 error locations. SAFE Result, 10.7s OverallTime, 4 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 104 SDtfs, 8 SDslu, 8 SDs, 0 SdLazy, 220 SolverSat, 76 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 328 GetRequests, 296 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 9.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 8.3s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 39 ConstructedInterpolants, 6 QuantifiedInterpolants, 14777 SizeOfPredicates, 23 NumberOfNonLiveVariables, 149 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 78]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 168.49 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 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 22.19 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.95 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 351.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -172.4 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * CodeCheck took 11058.67 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 166.7 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -200.0 MB). Peak memory consumption was 425.0 MB. Max. memory is 11.5 GB. * Witness Printer took 39.13 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...