./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0660b.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_fa380ceb-73fd-4293-b07e-bf427224d9ae/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_fa380ceb-73fd-4293-b07e-bf427224d9ae/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fa380ceb-73fd-4293-b07e-bf427224d9ae/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fa380ceb-73fd-4293-b07e-bf427224d9ae/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0660b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fa380ceb-73fd-4293-b07e-bf427224d9ae/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fa380ceb-73fd-4293-b07e-bf427224d9ae/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 fcfb0681d482dd50f2d20807361558887e88a0e8 ............................................................................................................................................................................................................................................................................................................................. 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_fa380ceb-73fd-4293-b07e-bf427224d9ae/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_fa380ceb-73fd-4293-b07e-bf427224d9ae/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fa380ceb-73fd-4293-b07e-bf427224d9ae/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fa380ceb-73fd-4293-b07e-bf427224d9ae/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0660b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fa380ceb-73fd-4293-b07e-bf427224d9ae/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fa380ceb-73fd-4293-b07e-bf427224d9ae/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 fcfb0681d482dd50f2d20807361558887e88a0e8 .............................................................................................................................................................................................................................................................................................................................. 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 23:04:36,511 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:04:36,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:04:36,523 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:04:36,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:04:36,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:04:36,526 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:04:36,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:04:36,530 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:04:36,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:04:36,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:04:36,533 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:04:36,534 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:04:36,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:04:36,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:04:36,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:04:36,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:04:36,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:04:36,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:04:36,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:04:36,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:04:36,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:04:36,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:04:36,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:04:36,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:04:36,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:04:36,554 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:04:36,555 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:04:36,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:04:36,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:04:36,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:04:36,557 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:04:36,558 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:04:36,559 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:04:36,560 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:04:36,560 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:04:36,561 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:04:36,561 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:04:36,562 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:04:36,563 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:04:36,564 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:04:36,564 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fa380ceb-73fd-4293-b07e-bf427224d9ae/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 23:04:36,582 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:04:36,583 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:04:36,584 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:04:36,584 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:04:36,584 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:04:36,584 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:04:36,585 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:04:36,585 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 23:04:36,585 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:04:36,585 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:04:36,586 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:04:36,586 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:04:36,586 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:04:36,586 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:04:36,586 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:04:36,587 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:04:36,587 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:04:36,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:04:36,587 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:04:36,588 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:04:36,588 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:04:36,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:04:36,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:04:36,588 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:04:36,589 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:04:36,589 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 23:04:36,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 23:04:36,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:04:36,589 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_fa380ceb-73fd-4293-b07e-bf427224d9ae/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 -> fcfb0681d482dd50f2d20807361558887e88a0e8 [2019-11-15 23:04:36,635 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:04:36,645 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:04:36,648 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:04:36,649 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:04:36,649 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:04:36,649 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fa380ceb-73fd-4293-b07e-bf427224d9ae/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0660b.c [2019-11-15 23:04:36,704 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fa380ceb-73fd-4293-b07e-bf427224d9ae/bin/uautomizer/data/4486c460d/f6d05f6090a44b0682568163cda0e5e1/FLAG36c20a04f [2019-11-15 23:04:37,100 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:04:37,103 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fa380ceb-73fd-4293-b07e-bf427224d9ae/sv-benchmarks/c/float-newlib/double_req_bl_0660b.c [2019-11-15 23:04:37,112 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fa380ceb-73fd-4293-b07e-bf427224d9ae/bin/uautomizer/data/4486c460d/f6d05f6090a44b0682568163cda0e5e1/FLAG36c20a04f [2019-11-15 23:04:37,429 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fa380ceb-73fd-4293-b07e-bf427224d9ae/bin/uautomizer/data/4486c460d/f6d05f6090a44b0682568163cda0e5e1 [2019-11-15 23:04:37,432 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:04:37,433 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:04:37,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:04:37,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:04:37,439 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:04:37,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:04:37" (1/1) ... [2019-11-15 23:04:37,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@544e8593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:04:37, skipping insertion in model container [2019-11-15 23:04:37,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:04:37" (1/1) ... [2019-11-15 23:04:37,450 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:04:37,496 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:04:37,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:04:37,838 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:04:37,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:04:37,923 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:04:37,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:04:37 WrapperNode [2019-11-15 23:04:37,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:04:37,924 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:04:37,924 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:04:37,924 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:04:37,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:04:37" (1/1) ... [2019-11-15 23:04:37,954 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:04:37" (1/1) ... [2019-11-15 23:04:37,995 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:04:37,995 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:04:37,995 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:04:37,996 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:04:38,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:04:37" (1/1) ... [2019-11-15 23:04:38,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:04:37" (1/1) ... [2019-11-15 23:04:38,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:04:37" (1/1) ... [2019-11-15 23:04:38,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:04:37" (1/1) ... [2019-11-15 23:04:38,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:04:37" (1/1) ... [2019-11-15 23:04:38,077 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:04:37" (1/1) ... [2019-11-15 23:04:38,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:04:37" (1/1) ... [2019-11-15 23:04:38,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:04:38,087 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:04:38,087 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:04:38,087 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:04:38,088 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:04:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa380ceb-73fd-4293-b07e-bf427224d9ae/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 23:04:38,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 23:04:38,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-15 23:04:38,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 23:04:38,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-15 23:04:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:04:38,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:04:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 23:04:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-11-15 23:04:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 23:04:38,895 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:04:38,895 INFO L284 CfgBuilder]: Removed 44 assume(true) statements. [2019-11-15 23:04:38,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:04:38 BoogieIcfgContainer [2019-11-15 23:04:38,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:04:38,898 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 23:04:38,899 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 23:04:38,902 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 23:04:38,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:04:37" (1/3) ... [2019-11-15 23:04:38,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a137c97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:04:38, skipping insertion in model container [2019-11-15 23:04:38,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:04:37" (2/3) ... [2019-11-15 23:04:38,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a137c97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:04:38, skipping insertion in model container [2019-11-15 23:04:38,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:04:38" (3/3) ... [2019-11-15 23:04:38,908 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0660b.c [2019-11-15 23:04:38,917 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 23:04:38,926 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 23:04:38,937 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 23:04:38,972 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 23:04:38,972 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 23:04:38,973 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 23:04:38,973 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:04:38,973 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:04:38,973 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 23:04:38,973 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:04:38,973 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 23:04:38,996 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2019-11-15 23:04:39,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-15 23:04:39,004 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:04:39,005 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:04:39,008 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:04:39,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:04:39,013 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2019-11-15 23:04:39,022 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:04:39,022 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689154185] [2019-11-15 23:04:39,023 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:04:39,023 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:04:39,023 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:04:39,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:04:39,169 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 23:04:39,169 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689154185] [2019-11-15 23:04:39,170 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:04:39,170 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 23:04:39,171 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997451127] [2019-11-15 23:04:39,175 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 23:04:39,175 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:04:39,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 23:04:39,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 23:04:39,187 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2019-11-15 23:04:39,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:04:39,212 INFO L93 Difference]: Finished difference Result 227 states and 382 transitions. [2019-11-15 23:04:39,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 23:04:39,214 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-15 23:04:39,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:04:39,225 INFO L225 Difference]: With dead ends: 227 [2019-11-15 23:04:39,225 INFO L226 Difference]: Without dead ends: 111 [2019-11-15 23:04:39,228 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 23:04:39,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-11-15 23:04:39,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-11-15 23:04:39,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-11-15 23:04:39,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2019-11-15 23:04:39,270 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2019-11-15 23:04:39,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:04:39,270 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2019-11-15 23:04:39,270 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 23:04:39,270 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2019-11-15 23:04:39,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-15 23:04:39,271 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:04:39,271 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:04:39,271 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:04:39,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:04:39,272 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2019-11-15 23:04:39,272 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:04:39,272 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294588336] [2019-11-15 23:04:39,273 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:04:39,273 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:04:39,273 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:04:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:04:39,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:04:39,585 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 23:04:39,585 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 23:04:39,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 11:04:39 BoogieIcfgContainer [2019-11-15 23:04:39,649 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 23:04:39,650 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 23:04:39,650 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 23:04:39,650 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 23:04:39,651 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:04:38" (3/4) ... [2019-11-15 23:04:39,654 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 23:04:39,655 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 23:04:39,657 INFO L168 Benchmark]: Toolchain (without parser) took 2222.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 944.7 MB in the beginning and 996.2 MB in the end (delta: -51.4 MB). Peak memory consumption was 66.0 MB. Max. memory is 11.5 GB. [2019-11-15 23:04:39,657 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:04:39,658 INFO L168 Benchmark]: CACSL2BoogieTranslator took 488.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -161.1 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2019-11-15 23:04:39,659 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-15 23:04:39,659 INFO L168 Benchmark]: Boogie Preprocessor took 91.29 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:04:39,660 INFO L168 Benchmark]: RCFGBuilder took 810.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.3 MB). Peak memory consumption was 61.3 MB. Max. memory is 11.5 GB. [2019-11-15 23:04:39,660 INFO L168 Benchmark]: TraceAbstraction took 751.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 996.2 MB in the end (delta: 42.9 MB). Peak memory consumption was 42.9 MB. Max. memory is 11.5 GB. [2019-11-15 23:04:39,661 INFO L168 Benchmark]: Witness Printer took 4.88 ms. Allocated memory is still 1.1 GB. Free memory is still 996.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:04:39,664 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 488.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -161.1 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 91.29 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 810.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.3 MB). Peak memory consumption was 61.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 751.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 996.2 MB in the end (delta: 42.9 MB). Peak memory consumption was 42.9 MB. Max. memory is 11.5 GB. * Witness Printer took 4.88 ms. Allocated memory is still 1.1 GB. Free memory is still 996.2 MB. 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 52, 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: 0.6s, 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 23:04:41,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:04:41,724 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:04:41,734 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:04:41,735 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:04:41,736 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:04:41,737 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:04:41,739 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:04:41,742 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:04:41,742 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:04:41,743 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:04:41,745 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:04:41,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:04:41,746 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:04:41,747 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:04:41,748 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:04:41,749 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:04:41,750 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:04:41,752 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:04:41,754 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:04:41,756 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:04:41,757 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:04:41,758 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:04:41,759 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:04:41,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:04:41,767 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:04:41,767 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:04:41,768 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:04:41,768 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:04:41,769 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:04:41,769 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:04:41,770 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:04:41,771 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:04:41,771 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:04:41,773 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:04:41,773 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:04:41,774 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:04:41,774 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:04:41,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:04:41,775 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:04:41,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:04:41,776 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fa380ceb-73fd-4293-b07e-bf427224d9ae/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-15 23:04:41,794 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:04:41,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:04:41,796 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:04:41,796 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:04:41,796 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:04:41,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:04:41,797 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:04:41,797 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:04:41,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:04:41,797 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:04:41,797 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:04:41,798 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:04:41,798 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 23:04:41,798 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 23:04:41,798 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:04:41,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:04:41,799 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:04:41,803 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:04:41,803 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:04:41,804 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:04:41,804 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:04:41,804 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:04:41,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:04:41,805 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:04:41,805 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:04:41,805 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:04:41,805 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 23:04:41,805 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 23:04:41,805 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:04:41,806 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 23:04:41,806 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_fa380ceb-73fd-4293-b07e-bf427224d9ae/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 -> fcfb0681d482dd50f2d20807361558887e88a0e8 [2019-11-15 23:04:41,842 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:04:41,852 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:04:41,855 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:04:41,856 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:04:41,857 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:04:41,858 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fa380ceb-73fd-4293-b07e-bf427224d9ae/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0660b.c [2019-11-15 23:04:41,911 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fa380ceb-73fd-4293-b07e-bf427224d9ae/bin/uautomizer/data/44d2f7d60/3fbd35310a094142b9974ebf73038deb/FLAG11df0d066 [2019-11-15 23:04:42,294 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:04:42,297 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fa380ceb-73fd-4293-b07e-bf427224d9ae/sv-benchmarks/c/float-newlib/double_req_bl_0660b.c [2019-11-15 23:04:42,306 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fa380ceb-73fd-4293-b07e-bf427224d9ae/bin/uautomizer/data/44d2f7d60/3fbd35310a094142b9974ebf73038deb/FLAG11df0d066 [2019-11-15 23:04:42,655 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fa380ceb-73fd-4293-b07e-bf427224d9ae/bin/uautomizer/data/44d2f7d60/3fbd35310a094142b9974ebf73038deb [2019-11-15 23:04:42,658 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:04:42,659 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:04:42,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:04:42,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:04:42,663 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:04:42,664 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:04:42" (1/1) ... [2019-11-15 23:04:42,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@242fa2c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:04:42, skipping insertion in model container [2019-11-15 23:04:42,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:04:42" (1/1) ... [2019-11-15 23:04:42,674 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:04:42,698 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:04:42,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:04:43,016 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:04:43,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:04:43,172 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:04:43,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:04:43 WrapperNode [2019-11-15 23:04:43,172 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:04:43,173 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:04:43,173 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:04:43,173 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:04:43,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:04:43" (1/1) ... [2019-11-15 23:04:43,195 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:04:43" (1/1) ... [2019-11-15 23:04:43,238 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:04:43,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:04:43,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:04:43,238 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:04:43,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:04:43" (1/1) ... [2019-11-15 23:04:43,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:04:43" (1/1) ... [2019-11-15 23:04:43,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:04:43" (1/1) ... [2019-11-15 23:04:43,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:04:43" (1/1) ... [2019-11-15 23:04:43,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:04:43" (1/1) ... [2019-11-15 23:04:43,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:04:43" (1/1) ... [2019-11-15 23:04:43,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:04:43" (1/1) ... [2019-11-15 23:04:43,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:04:43,330 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:04:43,330 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:04:43,330 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:04:43,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:04:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa380ceb-73fd-4293-b07e-bf427224d9ae/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 23:04:43,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-15 23:04:43,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-15 23:04:43,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 23:04:43,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-11-15 23:04:43,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-15 23:04:43,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:04:43,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:04:43,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-15 23:04:43,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 23:05:20,372 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:05:20,372 INFO L284 CfgBuilder]: Removed 44 assume(true) statements. [2019-11-15 23:05:20,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:05:20 BoogieIcfgContainer [2019-11-15 23:05:20,374 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:05:20,375 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 23:05:20,375 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 23:05:20,379 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 23:05:20,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:04:42" (1/3) ... [2019-11-15 23:05:20,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e006a43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:05:20, skipping insertion in model container [2019-11-15 23:05:20,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:04:43" (2/3) ... [2019-11-15 23:05:20,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e006a43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:05:20, skipping insertion in model container [2019-11-15 23:05:20,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:05:20" (3/3) ... [2019-11-15 23:05:20,383 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0660b.c [2019-11-15 23:05:20,392 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 23:05:20,400 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 23:05:20,410 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 23:05:20,447 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 23:05:20,447 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 23:05:20,447 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 23:05:20,447 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:05:20,448 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:05:20,448 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 23:05:20,448 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:05:20,448 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 23:05:20,471 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2019-11-15 23:05:20,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-15 23:05:20,476 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:05:20,477 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:05:20,479 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:05:20,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:05:20,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2019-11-15 23:05:20,494 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 23:05:20,494 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [674719154] [2019-11-15 23:05:20,495 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa380ceb-73fd-4293-b07e-bf427224d9ae/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 23:05:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:05:20,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-15 23:05:20,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:05:20,863 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 23:05:20,863 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 23:05:20,869 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 23:05:20,871 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [674719154] [2019-11-15 23:05:20,871 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:05:20,872 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-15 23:05:20,872 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994397436] [2019-11-15 23:05:20,876 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 23:05:20,877 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 23:05:20,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 23:05:20,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 23:05:20,893 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2019-11-15 23:05:20,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:05:20,937 INFO L93 Difference]: Finished difference Result 227 states and 382 transitions. [2019-11-15 23:05:20,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 23:05:20,938 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-15 23:05:20,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:05:20,951 INFO L225 Difference]: With dead ends: 227 [2019-11-15 23:05:20,956 INFO L226 Difference]: Without dead ends: 111 [2019-11-15 23:05:20,960 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 23:05:20,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-11-15 23:05:21,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-11-15 23:05:21,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-11-15 23:05:21,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2019-11-15 23:05:21,010 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2019-11-15 23:05:21,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:05:21,010 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2019-11-15 23:05:21,010 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 23:05:21,010 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2019-11-15 23:05:21,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-15 23:05:21,011 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:05:21,011 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:05:21,227 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-15 23:05:21,227 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:05:21,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:05:21,228 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2019-11-15 23:05:21,229 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 23:05:21,229 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [451950430] [2019-11-15 23:05:21,229 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa380ceb-73fd-4293-b07e-bf427224d9ae/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 23:05:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:05:21,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 19 conjunts are in the unsatisfiable core [2019-11-15 23:05:21,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:05:21,799 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 23:05:21,815 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 23:05:21,816 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 23:05:21,833 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:05:21,841 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:05:21,842 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 23:05:21,842 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-15 23:05:21,850 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:05:21,850 INFO L496 ElimStorePlain]: Start of recursive call 2: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:05:21,879 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:05:21,880 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 23:05:21,880 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:67, output treesize:26 [2019-11-15 23:05:22,393 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 23:05:22,393 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 23:05:22,535 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:05:22,755 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:05:22,966 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-15 23:05:22,966 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 23:05:22,972 INFO L168 Benchmark]: Toolchain (without parser) took 40312.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 945.6 MB in the beginning and 925.9 MB in the end (delta: 19.7 MB). Peak memory consumption was 146.6 MB. Max. memory is 11.5 GB. [2019-11-15 23:05:22,972 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:05:22,973 INFO L168 Benchmark]: CACSL2BoogieTranslator took 512.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -170.1 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. [2019-11-15 23:05:22,973 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.90 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-15 23:05:22,974 INFO L168 Benchmark]: Boogie Preprocessor took 91.14 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2019-11-15 23:05:22,975 INFO L168 Benchmark]: RCFGBuilder took 37044.13 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: 65.7 MB). Peak memory consumption was 65.7 MB. Max. memory is 11.5 GB. [2019-11-15 23:05:22,975 INFO L168 Benchmark]: TraceAbstraction took 2595.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 925.9 MB in the end (delta: 109.3 MB). Peak memory consumption was 109.3 MB. Max. memory is 11.5 GB. [2019-11-15 23:05:22,979 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 512.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -170.1 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 64.90 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 91.14 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 37044.13 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: 65.7 MB). Peak memory consumption was 65.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2595.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 925.9 MB in the end (delta: 109.3 MB). Peak memory consumption was 109.3 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...