./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0660a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_eebf9b5c-220a-481e-a56d-f0539cebd5f7/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_eebf9b5c-220a-481e-a56d-f0539cebd5f7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_eebf9b5c-220a-481e-a56d-f0539cebd5f7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_eebf9b5c-220a-481e-a56d-f0539cebd5f7/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0660a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_eebf9b5c-220a-481e-a56d-f0539cebd5f7/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_eebf9b5c-220a-481e-a56d-f0539cebd5f7/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3077c551d2b458403e0209f5991b4e91a7b5094b ............................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_eebf9b5c-220a-481e-a56d-f0539cebd5f7/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_eebf9b5c-220a-481e-a56d-f0539cebd5f7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_eebf9b5c-220a-481e-a56d-f0539cebd5f7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_eebf9b5c-220a-481e-a56d-f0539cebd5f7/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0660a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_eebf9b5c-220a-481e-a56d-f0539cebd5f7/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_eebf9b5c-220a-481e-a56d-f0539cebd5f7/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3077c551d2b458403e0209f5991b4e91a7b5094b .............................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 20:11:09,022 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 20:11:09,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 20:11:09,038 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 20:11:09,038 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 20:11:09,040 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 20:11:09,042 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 20:11:09,051 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 20:11:09,055 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 20:11:09,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 20:11:09,061 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 20:11:09,063 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 20:11:09,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 20:11:09,066 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 20:11:09,067 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 20:11:09,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 20:11:09,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 20:11:09,069 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 20:11:09,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 20:11:09,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 20:11:09,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 20:11:09,080 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 20:11:09,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 20:11:09,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 20:11:09,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 20:11:09,086 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 20:11:09,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 20:11:09,088 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 20:11:09,088 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 20:11:09,089 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 20:11:09,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 20:11:09,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 20:11:09,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 20:11:09,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 20:11:09,093 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 20:11:09,093 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 20:11:09,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 20:11:09,094 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 20:11:09,094 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 20:11:09,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 20:11:09,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 20:11:09,097 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_eebf9b5c-220a-481e-a56d-f0539cebd5f7/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 20:11:09,121 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 20:11:09,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 20:11:09,132 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 20:11:09,132 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 20:11:09,132 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 20:11:09,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 20:11:09,133 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 20:11:09,133 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 20:11:09,133 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 20:11:09,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 20:11:09,134 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 20:11:09,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 20:11:09,134 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 20:11:09,136 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 20:11:09,136 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 20:11:09,136 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 20:11:09,136 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 20:11:09,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 20:11:09,137 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 20:11:09,137 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 20:11:09,137 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 20:11:09,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 20:11:09,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 20:11:09,138 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 20:11:09,138 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 20:11:09,139 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 20:11:09,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 20:11:09,139 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 20:11:09,139 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_eebf9b5c-220a-481e-a56d-f0539cebd5f7/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3077c551d2b458403e0209f5991b4e91a7b5094b [2019-11-15 20:11:09,172 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 20:11:09,185 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 20:11:09,188 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 20:11:09,190 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 20:11:09,190 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 20:11:09,191 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_eebf9b5c-220a-481e-a56d-f0539cebd5f7/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0660a.c [2019-11-15 20:11:09,251 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eebf9b5c-220a-481e-a56d-f0539cebd5f7/bin/uautomizer/data/c5dee2c0f/c5d06e4e77734034a052fc972d62d19f/FLAGe891c12d9 [2019-11-15 20:11:09,693 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 20:11:09,693 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_eebf9b5c-220a-481e-a56d-f0539cebd5f7/sv-benchmarks/c/float-newlib/double_req_bl_0660a.c [2019-11-15 20:11:09,703 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eebf9b5c-220a-481e-a56d-f0539cebd5f7/bin/uautomizer/data/c5dee2c0f/c5d06e4e77734034a052fc972d62d19f/FLAGe891c12d9 [2019-11-15 20:11:10,107 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_eebf9b5c-220a-481e-a56d-f0539cebd5f7/bin/uautomizer/data/c5dee2c0f/c5d06e4e77734034a052fc972d62d19f [2019-11-15 20:11:10,110 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 20:11:10,111 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 20:11:10,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 20:11:10,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 20:11:10,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 20:11:10,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:11:10" (1/1) ... [2019-11-15 20:11:10,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@164e33a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:11:10, skipping insertion in model container [2019-11-15 20:11:10,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:11:10" (1/1) ... [2019-11-15 20:11:10,128 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 20:11:10,166 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 20:11:10,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:11:10,522 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 20:11:10,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:11:10,598 INFO L192 MainTranslator]: Completed translation [2019-11-15 20:11:10,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:11:10 WrapperNode [2019-11-15 20:11:10,599 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 20:11:10,600 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 20:11:10,600 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 20:11:10,600 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 20:11:10,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:11:10" (1/1) ... [2019-11-15 20:11:10,620 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:11:10" (1/1) ... [2019-11-15 20:11:10,671 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 20:11:10,671 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 20:11:10,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 20:11:10,671 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 20:11:10,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:11:10" (1/1) ... [2019-11-15 20:11:10,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:11:10" (1/1) ... [2019-11-15 20:11:10,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:11:10" (1/1) ... [2019-11-15 20:11:10,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:11:10" (1/1) ... [2019-11-15 20:11:10,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:11:10" (1/1) ... [2019-11-15 20:11:10,753 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:11:10" (1/1) ... [2019-11-15 20:11:10,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:11:10" (1/1) ... [2019-11-15 20:11:10,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 20:11:10,772 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 20:11:10,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 20:11:10,773 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 20:11:10,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:11:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eebf9b5c-220a-481e-a56d-f0539cebd5f7/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 20:11:10,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 20:11:10,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-15 20:11:10,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 20:11:10,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-15 20:11:10,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 20:11:10,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 20:11:10,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 20:11:10,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-11-15 20:11:10,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 20:11:11,682 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 20:11:11,683 INFO L284 CfgBuilder]: Removed 44 assume(true) statements. [2019-11-15 20:11:11,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:11:11 BoogieIcfgContainer [2019-11-15 20:11:11,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 20:11:11,685 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 20:11:11,685 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 20:11:11,688 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 20:11:11,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 08:11:10" (1/3) ... [2019-11-15 20:11:11,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9781aac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:11:11, skipping insertion in model container [2019-11-15 20:11:11,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:11:10" (2/3) ... [2019-11-15 20:11:11,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9781aac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:11:11, skipping insertion in model container [2019-11-15 20:11:11,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:11:11" (3/3) ... [2019-11-15 20:11:11,691 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0660a.c [2019-11-15 20:11:11,700 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 20:11:11,707 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 20:11:11,720 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 20:11:11,746 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 20:11:11,746 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 20:11:11,746 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 20:11:11,746 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 20:11:11,746 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 20:11:11,746 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 20:11:11,747 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 20:11:11,747 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 20:11:11,761 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2019-11-15 20:11:11,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-15 20:11:11,767 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:11:11,768 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:11:11,770 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:11:11,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:11:11,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2019-11-15 20:11:11,782 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:11:11,783 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478335333] [2019-11-15 20:11:11,783 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:11:11,783 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:11:11,783 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:11:11,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:11:11,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:11:11,909 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478335333] [2019-11-15 20:11:11,910 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:11:11,910 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 20:11:11,910 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243953014] [2019-11-15 20:11:11,914 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 20:11:11,914 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:11:11,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 20:11:11,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 20:11:11,930 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2019-11-15 20:11:11,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:11:11,958 INFO L93 Difference]: Finished difference Result 227 states and 382 transitions. [2019-11-15 20:11:11,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 20:11:11,960 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-15 20:11:11,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:11:11,970 INFO L225 Difference]: With dead ends: 227 [2019-11-15 20:11:11,971 INFO L226 Difference]: Without dead ends: 111 [2019-11-15 20:11:11,974 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 20:11:11,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-11-15 20:11:12,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-11-15 20:11:12,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-11-15 20:11:12,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2019-11-15 20:11:12,020 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2019-11-15 20:11:12,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:11:12,020 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2019-11-15 20:11:12,020 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 20:11:12,020 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2019-11-15 20:11:12,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-15 20:11:12,021 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:11:12,021 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:11:12,021 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:11:12,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:11:12,022 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2019-11-15 20:11:12,022 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:11:12,022 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286906520] [2019-11-15 20:11:12,022 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:11:12,023 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:11:12,023 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:11:12,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:11:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:11:12,280 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 20:11:12,281 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 20:11:12,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 08:11:12 BoogieIcfgContainer [2019-11-15 20:11:12,335 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 20:11:12,336 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 20:11:12,337 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 20:11:12,338 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 20:11:12,338 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:11:11" (3/4) ... [2019-11-15 20:11:12,348 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 20:11:12,348 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 20:11:12,351 INFO L168 Benchmark]: Toolchain (without parser) took 2238.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 951.5 MB in the beginning and 1.0 GB in the end (delta: -76.9 MB). Peak memory consumption was 71.5 MB. Max. memory is 11.5 GB. [2019-11-15 20:11:12,352 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:11:12,353 INFO L168 Benchmark]: CACSL2BoogieTranslator took 487.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 951.5 MB in the beginning and 1.1 GB in the end (delta: -186.5 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-11-15 20:11:12,354 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.14 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-15 20:11:12,354 INFO L168 Benchmark]: Boogie Preprocessor took 97.17 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-15 20:11:12,356 INFO L168 Benchmark]: RCFGBuilder took 912.29 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2019-11-15 20:11:12,356 INFO L168 Benchmark]: TraceAbstraction took 650.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.9 MB). Peak memory consumption was 42.9 MB. Max. memory is 11.5 GB. [2019-11-15 20:11:12,357 INFO L168 Benchmark]: Witness Printer took 12.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:11:12,367 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 487.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 951.5 MB in the beginning and 1.1 GB in the end (delta: -186.5 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.14 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 97.17 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 912.29 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 650.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.9 MB). Peak memory consumption was 42.9 MB. Max. memory is 11.5 GB. * Witness Printer took 12.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 259]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 162, overapproximation of someUnaryDOUBLEoperation at line 251, overapproximation of bitwiseAnd at line 160, overapproximation of someBinaryArithmeticDOUBLEoperation at line 163, overapproximation of someBinaryDOUBLEComparisonOperation at line 258. Possible FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L60-L62] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L139-L140] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L250] double x = __VERIFIER_nondet_double(); [L251] double y = -0.0; VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L253] COND TRUE x < 0.0 [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L161-L162] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L163] return x + y; VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L255] double res = __ieee754_atan2(y, x); [L258] COND TRUE res != -pi VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L259] __VERIFIER_error() VAL [aT_atan={1:0}, atanhi_atan={-2:0}, atanlo_atan={-3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 115 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 164 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-11-15 20:11:14,454 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 20:11:14,456 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 20:11:14,466 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 20:11:14,466 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 20:11:14,467 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 20:11:14,469 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 20:11:14,471 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 20:11:14,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 20:11:14,473 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 20:11:14,474 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 20:11:14,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 20:11:14,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 20:11:14,476 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 20:11:14,477 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 20:11:14,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 20:11:14,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 20:11:14,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 20:11:14,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 20:11:14,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 20:11:14,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 20:11:14,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 20:11:14,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 20:11:14,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 20:11:14,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 20:11:14,493 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 20:11:14,493 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 20:11:14,494 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 20:11:14,494 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 20:11:14,495 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 20:11:14,496 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 20:11:14,497 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 20:11:14,497 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 20:11:14,498 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 20:11:14,499 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 20:11:14,500 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 20:11:14,500 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 20:11:14,501 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 20:11:14,501 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 20:11:14,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 20:11:14,503 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 20:11:14,504 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_eebf9b5c-220a-481e-a56d-f0539cebd5f7/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-15 20:11:14,518 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 20:11:14,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 20:11:14,519 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 20:11:14,520 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 20:11:14,520 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 20:11:14,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 20:11:14,520 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 20:11:14,521 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 20:11:14,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 20:11:14,521 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 20:11:14,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 20:11:14,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 20:11:14,522 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 20:11:14,522 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 20:11:14,522 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 20:11:14,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 20:11:14,523 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 20:11:14,523 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 20:11:14,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 20:11:14,523 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 20:11:14,524 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 20:11:14,524 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 20:11:14,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 20:11:14,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 20:11:14,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 20:11:14,525 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 20:11:14,525 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 20:11:14,525 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 20:11:14,526 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 20:11:14,526 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 20:11:14,526 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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/run_dir_eebf9b5c-220a-481e-a56d-f0539cebd5f7/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3077c551d2b458403e0209f5991b4e91a7b5094b [2019-11-15 20:11:14,556 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 20:11:14,568 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 20:11:14,570 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 20:11:14,572 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 20:11:14,572 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 20:11:14,573 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_eebf9b5c-220a-481e-a56d-f0539cebd5f7/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0660a.c [2019-11-15 20:11:14,625 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eebf9b5c-220a-481e-a56d-f0539cebd5f7/bin/uautomizer/data/4b90b18c7/56c970ba00144c2a997e8dd8fe88b22c/FLAG3e6ac4c02 [2019-11-15 20:11:15,043 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 20:11:15,043 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_eebf9b5c-220a-481e-a56d-f0539cebd5f7/sv-benchmarks/c/float-newlib/double_req_bl_0660a.c [2019-11-15 20:11:15,052 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eebf9b5c-220a-481e-a56d-f0539cebd5f7/bin/uautomizer/data/4b90b18c7/56c970ba00144c2a997e8dd8fe88b22c/FLAG3e6ac4c02 [2019-11-15 20:11:15,468 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_eebf9b5c-220a-481e-a56d-f0539cebd5f7/bin/uautomizer/data/4b90b18c7/56c970ba00144c2a997e8dd8fe88b22c [2019-11-15 20:11:15,470 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 20:11:15,471 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 20:11:15,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 20:11:15,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 20:11:15,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 20:11:15,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:11:15" (1/1) ... [2019-11-15 20:11:15,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37b48141 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:11:15, skipping insertion in model container [2019-11-15 20:11:15,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:11:15" (1/1) ... [2019-11-15 20:11:15,486 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 20:11:15,532 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 20:11:15,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:11:15,807 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 20:11:15,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:11:15,980 INFO L192 MainTranslator]: Completed translation [2019-11-15 20:11:15,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:11:15 WrapperNode [2019-11-15 20:11:15,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 20:11:15,981 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 20:11:15,981 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 20:11:15,981 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 20:11:15,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:11:15" (1/1) ... [2019-11-15 20:11:16,006 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:11:15" (1/1) ... [2019-11-15 20:11:16,045 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 20:11:16,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 20:11:16,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 20:11:16,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 20:11:16,054 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:11:15" (1/1) ... [2019-11-15 20:11:16,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:11:15" (1/1) ... [2019-11-15 20:11:16,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:11:15" (1/1) ... [2019-11-15 20:11:16,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:11:15" (1/1) ... [2019-11-15 20:11:16,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:11:15" (1/1) ... [2019-11-15 20:11:16,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:11:15" (1/1) ... [2019-11-15 20:11:16,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:11:15" (1/1) ... [2019-11-15 20:11:16,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 20:11:16,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 20:11:16,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 20:11:16,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 20:11:16,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:11:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eebf9b5c-220a-481e-a56d-f0539cebd5f7/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 20:11:16,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-15 20:11:16,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-15 20:11:16,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 20:11:16,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-11-15 20:11:16,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-15 20:11:16,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 20:11:16,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 20:11:16,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-15 20:11:16,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 20:11:55,814 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 20:11:55,814 INFO L284 CfgBuilder]: Removed 44 assume(true) statements. [2019-11-15 20:11:55,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:11:55 BoogieIcfgContainer [2019-11-15 20:11:55,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 20:11:55,817 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 20:11:55,817 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 20:11:55,825 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 20:11:55,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 08:11:15" (1/3) ... [2019-11-15 20:11:55,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48574cc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:11:55, skipping insertion in model container [2019-11-15 20:11:55,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:11:15" (2/3) ... [2019-11-15 20:11:55,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48574cc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:11:55, skipping insertion in model container [2019-11-15 20:11:55,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:11:55" (3/3) ... [2019-11-15 20:11:55,828 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0660a.c [2019-11-15 20:11:55,849 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 20:11:55,856 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 20:11:55,867 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 20:11:55,903 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 20:11:55,903 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 20:11:55,903 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 20:11:55,904 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 20:11:55,904 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 20:11:55,904 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 20:11:55,904 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 20:11:55,905 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 20:11:55,926 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2019-11-15 20:11:55,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-15 20:11:55,932 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:11:55,933 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:11:55,935 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:11:55,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:11:55,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2019-11-15 20:11:55,954 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 20:11:55,954 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1077271513] [2019-11-15 20:11:55,955 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eebf9b5c-220a-481e-a56d-f0539cebd5f7/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-15 20:11:56,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:11:56,249 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-15 20:11:56,253 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:11:56,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:11:56,265 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 20:11:56,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:11:56,269 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1077271513] [2019-11-15 20:11:56,270 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:11:56,270 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-15 20:11:56,270 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999567293] [2019-11-15 20:11:56,274 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 20:11:56,275 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 20:11:56,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 20:11:56,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 20:11:56,290 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2019-11-15 20:11:56,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:11:56,320 INFO L93 Difference]: Finished difference Result 227 states and 382 transitions. [2019-11-15 20:11:56,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 20:11:56,321 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-15 20:11:56,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:11:56,334 INFO L225 Difference]: With dead ends: 227 [2019-11-15 20:11:56,334 INFO L226 Difference]: Without dead ends: 111 [2019-11-15 20:11:56,337 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 20:11:56,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-11-15 20:11:56,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-11-15 20:11:56,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-11-15 20:11:56,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2019-11-15 20:11:56,380 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2019-11-15 20:11:56,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:11:56,380 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2019-11-15 20:11:56,381 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 20:11:56,381 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2019-11-15 20:11:56,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-15 20:11:56,382 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:11:56,382 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:11:56,597 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-15 20:11:56,597 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:11:56,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:11:56,597 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2019-11-15 20:11:56,598 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 20:11:56,598 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [394085784] [2019-11-15 20:11:56,598 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eebf9b5c-220a-481e-a56d-f0539cebd5f7/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-15 20:11:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:11:57,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 19 conjunts are in the unsatisfiable core [2019-11-15 20:11:57,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:11:57,133 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 47 [2019-11-15 20:11:57,151 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2019-11-15 20:11:57,152 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 20:11:57,171 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:11:57,181 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:11:57,181 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 13 [2019-11-15 20:11:57,182 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-15 20:11:57,186 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:11:57,186 INFO L496 ElimStorePlain]: Start of recursive call 2: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:11:57,209 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:11:57,210 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-15 20:11:57,211 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:68, output treesize:27 [2019-11-15 20:12:00,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:12:00,561 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 20:12:00,779 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 20:12:01,116 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 20:12:01,326 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-15 20:12:01,327 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:277) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive$TermWalker.walk(NonRecursive.java:139) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:195) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder.(ArrayOccurrenceAnalysis.java:181) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis.(ArrayOccurrenceAnalysis.java:83) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis.downgradeDimensionsIfNecessary(ArrayOccurrenceAnalysis.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.computeCostEstimation(ArrayIndexBasedCostEstimation.java:132) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.(ArrayIndexBasedCostEstimation.java:64) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.computeCostEstimation(ElimStorePlain.java:519) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:390) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:418) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:290) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:335) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.checkFeasibility(TraceAbstractionRefinementEngine.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-15 20:12:01,331 INFO L168 Benchmark]: Toolchain (without parser) took 45859.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 952.3 MB in the beginning and 957.4 MB in the end (delta: -5.0 MB). Peak memory consumption was 145.5 MB. Max. memory is 11.5 GB. [2019-11-15 20:12:01,332 INFO L168 Benchmark]: CDTParser took 2.16 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:12:01,332 INFO L168 Benchmark]: CACSL2BoogieTranslator took 508.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -185.5 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. [2019-11-15 20:12:01,333 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.65 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-15 20:12:01,337 INFO L168 Benchmark]: Boogie Preprocessor took 68.69 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-15 20:12:01,338 INFO L168 Benchmark]: RCFGBuilder took 39701.52 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: 64.1 MB). Peak memory consumption was 64.1 MB. Max. memory is 11.5 GB. [2019-11-15 20:12:01,340 INFO L168 Benchmark]: TraceAbstraction took 5512.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 957.4 MB in the end (delta: 103.3 MB). Peak memory consumption was 103.3 MB. Max. memory is 11.5 GB. [2019-11-15 20:12:01,345 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.16 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 508.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -185.5 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 63.65 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 68.69 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 39701.52 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: 64.1 MB). Peak memory consumption was 64.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5512.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 957.4 MB in the end (delta: 103.3 MB). Peak memory consumption was 103.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:277) RESULT: Ultimate could not prove your program: Toolchain returned no result. [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...