./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1232b_false-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2cc6bda3-1f02-4bc3-aad1-87122d36f163/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2cc6bda3-1f02-4bc3-aad1-87122d36f163/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2cc6bda3-1f02-4bc3-aad1-87122d36f163/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2cc6bda3-1f02-4bc3-aad1-87122d36f163/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1232b_false-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2cc6bda3-1f02-4bc3-aad1-87122d36f163/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2cc6bda3-1f02-4bc3-aad1-87122d36f163/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 36a0a55241cede481b157c1ab9f348d708a5b166 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2cc6bda3-1f02-4bc3-aad1-87122d36f163/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2cc6bda3-1f02-4bc3-aad1-87122d36f163/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2cc6bda3-1f02-4bc3-aad1-87122d36f163/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2cc6bda3-1f02-4bc3-aad1-87122d36f163/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1232b_false-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2cc6bda3-1f02-4bc3-aad1-87122d36f163/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2cc6bda3-1f02-4bc3-aad1-87122d36f163/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 36a0a55241cede481b157c1ab9f348d708a5b166 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:10:20,545 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:10:20,553 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:10:20,561 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:10:20,561 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:10:20,562 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:10:20,563 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:10:20,564 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:10:20,565 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:10:20,566 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:10:20,567 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:10:20,567 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:10:20,568 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:10:20,569 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:10:20,570 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:10:20,571 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:10:20,572 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:10:20,573 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:10:20,575 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:10:20,576 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:10:20,577 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:10:20,578 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:10:20,580 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:10:20,580 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:10:20,580 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:10:20,581 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:10:20,582 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:10:20,583 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:10:20,583 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:10:20,584 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:10:20,584 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:10:20,585 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:10:20,585 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:10:20,585 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:10:20,586 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:10:20,587 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:10:20,587 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2cc6bda3-1f02-4bc3-aad1-87122d36f163/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-27 00:10:20,598 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:10:20,599 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:10:20,599 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:10:20,599 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 00:10:20,599 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 00:10:20,600 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 00:10:20,600 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 00:10:20,600 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 00:10:20,600 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 00:10:20,600 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 00:10:20,600 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 00:10:20,601 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:10:20,601 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:10:20,601 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:10:20,601 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:10:20,601 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:10:20,602 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:10:20,602 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:10:20,602 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:10:20,604 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:10:20,604 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:10:20,604 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:10:20,604 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:10:20,604 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 00:10:20,604 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:10:20,605 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 00:10:20,605 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 00:10:20,606 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:10:20,606 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:10:20,606 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:10:20,606 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 00:10:20,606 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:10:20,606 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:10:20,606 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 00:10:20,607 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_2cc6bda3-1f02-4bc3-aad1-87122d36f163/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36a0a55241cede481b157c1ab9f348d708a5b166 [2018-10-27 00:10:20,633 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:10:20,643 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:10:20,646 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:10:20,647 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:10:20,648 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:10:20,649 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2cc6bda3-1f02-4bc3-aad1-87122d36f163/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1232b_false-unreach-call.c [2018-10-27 00:10:20,693 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2cc6bda3-1f02-4bc3-aad1-87122d36f163/bin-2019/utaipan/data/191b57d8f/eb292ff656344cf5b8fa44700e1249ed/FLAG84fcb4e59 [2018-10-27 00:10:21,067 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:10:21,068 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2cc6bda3-1f02-4bc3-aad1-87122d36f163/sv-benchmarks/c/float-newlib/float_req_bl_1232b_false-unreach-call.c [2018-10-27 00:10:21,072 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2cc6bda3-1f02-4bc3-aad1-87122d36f163/bin-2019/utaipan/data/191b57d8f/eb292ff656344cf5b8fa44700e1249ed/FLAG84fcb4e59 [2018-10-27 00:10:21,083 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2cc6bda3-1f02-4bc3-aad1-87122d36f163/bin-2019/utaipan/data/191b57d8f/eb292ff656344cf5b8fa44700e1249ed [2018-10-27 00:10:21,085 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:10:21,087 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 00:10:21,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:10:21,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:10:21,091 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:10:21,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:10:21" (1/1) ... [2018-10-27 00:10:21,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bafb8b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:10:21, skipping insertion in model container [2018-10-27 00:10:21,095 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:10:21" (1/1) ... [2018-10-27 00:10:21,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:10:21,122 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:10:21,245 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:10:21,248 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:10:21,269 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:10:21,287 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:10:21,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:10:21 WrapperNode [2018-10-27 00:10:21,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:10:21,288 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:10:21,288 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:10:21,288 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:10:21,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:10:21" (1/1) ... [2018-10-27 00:10:21,305 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:10:21" (1/1) ... [2018-10-27 00:10:21,324 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:10:21,325 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:10:21,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:10:21,325 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:10:21,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:10:21" (1/1) ... [2018-10-27 00:10:21,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:10:21" (1/1) ... [2018-10-27 00:10:21,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:10:21" (1/1) ... [2018-10-27 00:10:21,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:10:21" (1/1) ... [2018-10-27 00:10:21,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:10:21" (1/1) ... [2018-10-27 00:10:21,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:10:21" (1/1) ... [2018-10-27 00:10:21,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:10:21" (1/1) ... [2018-10-27 00:10:21,373 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:10:21,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:10:21,374 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:10:21,374 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:10:21,379 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:10:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2cc6bda3-1f02-4bc3-aad1-87122d36f163/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 00:10:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 00:10:21,541 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 00:10:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2018-10-27 00:10:21,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2018-10-27 00:10:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 00:10:21,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 00:10:21,542 INFO L130 BoogieDeclarations]: Found specification of procedure fmin_float [2018-10-27 00:10:21,542 INFO L138 BoogieDeclarations]: Found implementation of procedure fmin_float [2018-10-27 00:10:21,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:10:21,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:10:21,542 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-10-27 00:10:21,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-10-27 00:10:22,178 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:10:22,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:10:22 BoogieIcfgContainer [2018-10-27 00:10:22,178 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:10:22,179 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 00:10:22,179 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 00:10:22,182 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 00:10:22,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 12:10:21" (1/3) ... [2018-10-27 00:10:22,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73ad1ef1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:10:22, skipping insertion in model container [2018-10-27 00:10:22,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:10:21" (2/3) ... [2018-10-27 00:10:22,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73ad1ef1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:10:22, skipping insertion in model container [2018-10-27 00:10:22,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:10:22" (3/3) ... [2018-10-27 00:10:22,185 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1232b_false-unreach-call.c [2018-10-27 00:10:22,194 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 00:10:22,201 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 00:10:22,214 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 00:10:22,241 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 00:10:22,241 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 00:10:22,241 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 00:10:22,241 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 00:10:22,241 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 00:10:22,241 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 00:10:22,242 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 00:10:22,242 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 00:10:22,258 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2018-10-27 00:10:22,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-27 00:10:22,265 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:10:22,265 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:10:22,268 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:10:22,273 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:10:22,273 INFO L82 PathProgramCache]: Analyzing trace with hash -661845863, now seen corresponding path program 1 times [2018-10-27 00:10:22,278 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:10:22,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:10:22,318 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:10:22,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:10:22,319 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:10:22,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:10:22,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:10:22,392 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:10:22,393 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 00:10:22,393 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:10:22,397 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-27 00:10:22,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-27 00:10:22,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-27 00:10:22,408 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 2 states. [2018-10-27 00:10:22,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:10:22,427 INFO L93 Difference]: Finished difference Result 79 states and 107 transitions. [2018-10-27 00:10:22,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-27 00:10:22,428 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-10-27 00:10:22,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:10:22,436 INFO L225 Difference]: With dead ends: 79 [2018-10-27 00:10:22,437 INFO L226 Difference]: Without dead ends: 40 [2018-10-27 00:10:22,440 INFO L605 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 [2018-10-27 00:10:22,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-10-27 00:10:22,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-10-27 00:10:22,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-10-27 00:10:22,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions. [2018-10-27 00:10:22,474 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 48 transitions. Word has length 22 [2018-10-27 00:10:22,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:10:22,475 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 48 transitions. [2018-10-27 00:10:22,475 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-27 00:10:22,475 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2018-10-27 00:10:22,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-27 00:10:22,477 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:10:22,477 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:10:22,477 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:10:22,477 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:10:22,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1526822905, now seen corresponding path program 1 times [2018-10-27 00:10:22,478 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:10:22,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:10:22,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:10:22,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:10:22,479 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:10:22,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:10:22,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:10:22,596 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:10:22,596 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 00:10:22,596 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:10:22,597 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 00:10:22,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 00:10:22,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 00:10:22,598 INFO L87 Difference]: Start difference. First operand 40 states and 48 transitions. Second operand 4 states. [2018-10-27 00:10:22,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:10:22,670 INFO L93 Difference]: Finished difference Result 59 states and 69 transitions. [2018-10-27 00:10:22,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 00:10:22,670 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2018-10-27 00:10:22,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:10:22,672 INFO L225 Difference]: With dead ends: 59 [2018-10-27 00:10:22,673 INFO L226 Difference]: Without dead ends: 44 [2018-10-27 00:10:22,673 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 00:10:22,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-10-27 00:10:22,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-10-27 00:10:22,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-10-27 00:10:22,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 53 transitions. [2018-10-27 00:10:22,683 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 53 transitions. Word has length 23 [2018-10-27 00:10:22,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:10:22,683 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 53 transitions. [2018-10-27 00:10:22,683 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 00:10:22,683 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2018-10-27 00:10:22,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-27 00:10:22,684 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:10:22,684 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:10:22,685 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:10:22,685 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:10:22,685 INFO L82 PathProgramCache]: Analyzing trace with hash -424183008, now seen corresponding path program 1 times [2018-10-27 00:10:22,685 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:10:22,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:10:22,687 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:10:22,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:10:22,688 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:10:22,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:10:22,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:10:22,752 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:10:22,752 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 00:10:22,755 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:10:22,755 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 00:10:22,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 00:10:22,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 00:10:22,756 INFO L87 Difference]: Start difference. First operand 44 states and 53 transitions. Second operand 4 states. [2018-10-27 00:10:22,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:10:22,858 INFO L93 Difference]: Finished difference Result 63 states and 74 transitions. [2018-10-27 00:10:22,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 00:10:22,859 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2018-10-27 00:10:22,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:10:22,860 INFO L225 Difference]: With dead ends: 63 [2018-10-27 00:10:22,860 INFO L226 Difference]: Without dead ends: 48 [2018-10-27 00:10:22,860 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 00:10:22,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-10-27 00:10:22,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 44. [2018-10-27 00:10:22,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-10-27 00:10:22,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 53 transitions. [2018-10-27 00:10:22,867 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 53 transitions. Word has length 26 [2018-10-27 00:10:22,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:10:22,868 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 53 transitions. [2018-10-27 00:10:22,868 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 00:10:22,868 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2018-10-27 00:10:22,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-27 00:10:22,869 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:10:22,869 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:10:22,869 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:10:22,869 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:10:22,870 INFO L82 PathProgramCache]: Analyzing trace with hash 2073832929, now seen corresponding path program 1 times [2018-10-27 00:10:22,870 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:10:22,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:10:22,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:10:22,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:10:22,872 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:10:22,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:10:22,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:10:22,930 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-27 00:10:22,942 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:22,943 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:22,944 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:22,944 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:22,944 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:22,944 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:22,945 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:22,945 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:22,945 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:22,945 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:22,945 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:22,946 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:22,946 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:22,948 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:22,948 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:22,948 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:22,948 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:22,949 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:22,949 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:22,949 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:22,949 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:22,949 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:22,950 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:22,950 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:22,950 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:22,950 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:22,951 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:22,951 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:22,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 12:10:22 BoogieIcfgContainer [2018-10-27 00:10:22,967 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 00:10:22,968 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:10:22,968 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:10:22,968 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:10:22,968 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:10:22" (3/4) ... [2018-10-27 00:10:22,972 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-27 00:10:22,973 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:10:22,973 INFO L168 Benchmark]: Toolchain (without parser) took 1887.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 963.8 MB in the beginning and 1.1 GB in the end (delta: -122.9 MB). Peak memory consumption was 39.7 MB. Max. memory is 11.5 GB. [2018-10-27 00:10:22,975 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:10:22,975 INFO L168 Benchmark]: CACSL2BoogieTranslator took 200.47 ms. Allocated memory is still 1.0 GB. Free memory was 963.8 MB in the beginning and 953.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-27 00:10:22,976 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.32 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 947.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 00:10:22,976 INFO L168 Benchmark]: Boogie Preprocessor took 48.79 ms. Allocated memory is still 1.0 GB. Free memory is still 947.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:10:22,977 INFO L168 Benchmark]: RCFGBuilder took 804.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 947.7 MB in the beginning and 1.1 GB in the end (delta: -187.3 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2018-10-27 00:10:22,977 INFO L168 Benchmark]: TraceAbstraction took 788.47 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: 48.3 MB). Peak memory consumption was 48.3 MB. Max. memory is 11.5 GB. [2018-10-27 00:10:22,978 INFO L168 Benchmark]: Witness Printer took 4.91 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:10:22,982 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 200.47 ms. Allocated memory is still 1.0 GB. Free memory was 963.8 MB in the beginning and 953.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.32 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 947.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.79 ms. Allocated memory is still 1.0 GB. Free memory is still 947.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 804.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 947.7 MB in the beginning and 1.1 GB in the end (delta: -187.3 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 788.47 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: 48.3 MB). Peak memory consumption was 48.3 MB. Max. memory is 11.5 GB. * Witness Printer took 4.91 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 70]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 69, overapproximation of someUnaryFLOAToperation at line 64. Possible FailurePath: [L64] float x = -0.0f; [L65] float y = 0.0f; VAL [y=0] [L66] CALL, EXPR fmin_float(x, y) VAL [\old(x)=4286578692, \old(y)=0] [L36] CALL, EXPR __fpclassify_float(x) [L13] __uint32_t w; [L16] CALL ieee_float_shape_type gf_u; [L16] RET ieee_float_shape_type gf_u; [L17] CALL gf_u.value = (x) [L17] RET gf_u.value = (x) [L18] CALL, EXPR gf_u.word [L18] RET, EXPR gf_u.word [L18] (w) = gf_u.word [L18] RET (w) = gf_u.word [L19] COND FALSE !(0) [L21] COND FALSE !(w == 0x00000000 || w == 0x80000000) [L23-L24] COND FALSE !((w >= 0x00800000 && w <= 0x7f7fffff) || (w >= 0x80800000 && w <= 0xff7fffff)) [L26-L27] COND FALSE !((w >= 0x00000001 && w <= 0x007fffff) || (w >= 0x80000001 && w <= 0x807fffff)) [L29] COND FALSE !(w == 0x7f800000 || w == 0xff800000) [L32] RET return 0; [L36] EXPR __fpclassify_float(x) VAL [\old(x)=4286578692, \old(y)=0, __fpclassify_float(x)=0, x=4286578692, y=0] [L36] COND TRUE __fpclassify_float(x) == 0 [L37] RET return y; VAL [\old(x)=4286578692, \old(y)=0, \result=0, x=4286578692, y=0] [L66] EXPR fmin_float(x, y) VAL [fmin_float(x, y)=0, x=4286578692, y=0] [L66] float res = fmin_float(x, y); [L69] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [res=0, res == -0.0f && __signbit_float(res) == 1=0, x=4286578692, y=0] [L69] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L70] __VERIFIER_error() VAL [res=0, x=4286578692, y=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 44 locations, 1 error locations. UNSAFE Result, 0.7s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 149 SDtfs, 0 SDslu, 178 SDs, 0 SdLazy, 21 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 1926 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: 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 0.1.23-1dbac8b [2018-10-27 00:10:24,929 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:10:24,930 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:10:24,939 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:10:24,940 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:10:24,940 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:10:24,941 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:10:24,943 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:10:24,944 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:10:24,945 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:10:24,946 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:10:24,946 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:10:24,947 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:10:24,948 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:10:24,949 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:10:24,950 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:10:24,951 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:10:24,952 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:10:24,954 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:10:24,955 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:10:24,956 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:10:24,957 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:10:24,959 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:10:24,959 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:10:24,960 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:10:24,960 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:10:24,961 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:10:24,962 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:10:24,963 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:10:24,964 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:10:24,964 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:10:24,965 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:10:24,965 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:10:24,965 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:10:24,966 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:10:24,967 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:10:24,967 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2cc6bda3-1f02-4bc3-aad1-87122d36f163/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-27 00:10:24,979 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:10:24,979 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:10:24,979 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:10:24,980 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 00:10:24,980 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 00:10:24,980 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 00:10:24,980 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 00:10:24,980 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 00:10:24,981 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:10:24,981 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:10:24,981 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:10:24,981 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:10:24,981 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:10:24,981 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:10:24,982 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:10:24,982 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-27 00:10:24,982 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-27 00:10:24,982 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:10:24,984 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:10:24,984 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:10:24,984 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:10:24,984 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 00:10:24,984 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:10:24,984 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 00:10:24,985 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 00:10:24,985 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:10:24,985 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:10:24,985 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:10:24,985 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-27 00:10:24,985 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:10:24,985 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-27 00:10:24,986 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-27 00:10:24,986 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_2cc6bda3-1f02-4bc3-aad1-87122d36f163/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36a0a55241cede481b157c1ab9f348d708a5b166 [2018-10-27 00:10:25,020 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:10:25,029 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:10:25,032 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:10:25,033 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:10:25,034 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:10:25,035 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2cc6bda3-1f02-4bc3-aad1-87122d36f163/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1232b_false-unreach-call.c [2018-10-27 00:10:25,088 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2cc6bda3-1f02-4bc3-aad1-87122d36f163/bin-2019/utaipan/data/a2c967568/5371f6052e414ceab10550981270444a/FLAG4a9c73721 [2018-10-27 00:10:25,466 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:10:25,467 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2cc6bda3-1f02-4bc3-aad1-87122d36f163/sv-benchmarks/c/float-newlib/float_req_bl_1232b_false-unreach-call.c [2018-10-27 00:10:25,473 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2cc6bda3-1f02-4bc3-aad1-87122d36f163/bin-2019/utaipan/data/a2c967568/5371f6052e414ceab10550981270444a/FLAG4a9c73721 [2018-10-27 00:10:25,483 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2cc6bda3-1f02-4bc3-aad1-87122d36f163/bin-2019/utaipan/data/a2c967568/5371f6052e414ceab10550981270444a [2018-10-27 00:10:25,486 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:10:25,487 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 00:10:25,488 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:10:25,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:10:25,492 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:10:25,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:10:25" (1/1) ... [2018-10-27 00:10:25,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5356465f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:10:25, skipping insertion in model container [2018-10-27 00:10:25,496 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:10:25" (1/1) ... [2018-10-27 00:10:25,504 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:10:25,526 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:10:25,705 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:10:25,712 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:10:25,737 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:10:25,761 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:10:25,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:10:25 WrapperNode [2018-10-27 00:10:25,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:10:25,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:10:25,763 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:10:25,763 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:10:25,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:10:25" (1/1) ... [2018-10-27 00:10:25,781 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:10:25" (1/1) ... [2018-10-27 00:10:25,801 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:10:25,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:10:25,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:10:25,804 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:10:25,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:10:25" (1/1) ... [2018-10-27 00:10:25,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:10:25" (1/1) ... [2018-10-27 00:10:25,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:10:25" (1/1) ... [2018-10-27 00:10:25,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:10:25" (1/1) ... [2018-10-27 00:10:25,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:10:25" (1/1) ... [2018-10-27 00:10:25,839 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:10:25" (1/1) ... [2018-10-27 00:10:25,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:10:25" (1/1) ... [2018-10-27 00:10:25,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:10:25,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:10:25,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:10:25,850 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:10:25,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:10:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2cc6bda3-1f02-4bc3-aad1-87122d36f163/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 00:10:25,966 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 00:10:25,966 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 00:10:25,966 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2018-10-27 00:10:25,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2018-10-27 00:10:25,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 00:10:25,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 00:10:25,967 INFO L130 BoogieDeclarations]: Found specification of procedure fmin_float [2018-10-27 00:10:25,967 INFO L138 BoogieDeclarations]: Found implementation of procedure fmin_float [2018-10-27 00:10:25,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:10:25,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:10:25,967 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-10-27 00:10:25,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-10-27 00:10:26,363 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:10:26,432 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:10:26,436 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:10:26,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:10:26 BoogieIcfgContainer [2018-10-27 00:10:26,436 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:10:26,437 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 00:10:26,437 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 00:10:26,440 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 00:10:26,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 12:10:25" (1/3) ... [2018-10-27 00:10:26,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@366a53b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:10:26, skipping insertion in model container [2018-10-27 00:10:26,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:10:25" (2/3) ... [2018-10-27 00:10:26,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@366a53b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:10:26, skipping insertion in model container [2018-10-27 00:10:26,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:10:26" (3/3) ... [2018-10-27 00:10:26,443 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1232b_false-unreach-call.c [2018-10-27 00:10:26,450 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 00:10:26,455 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 00:10:26,466 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 00:10:26,489 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 00:10:26,490 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 00:10:26,490 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 00:10:26,490 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 00:10:26,490 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 00:10:26,490 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 00:10:26,491 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 00:10:26,491 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 00:10:26,491 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 00:10:26,504 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-10-27 00:10:26,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-27 00:10:26,510 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:10:26,511 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:10:26,512 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:10:26,517 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:10:26,517 INFO L82 PathProgramCache]: Analyzing trace with hash -2032422118, now seen corresponding path program 1 times [2018-10-27 00:10:26,520 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-27 00:10:26,521 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2cc6bda3-1f02-4bc3-aad1-87122d36f163/bin-2019/utaipan/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 [2018-10-27 00:10:26,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:10:26,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:10:26,587 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:10:26,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:10:26,604 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 00:10:26,618 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:10:26,618 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 00:10:26,621 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-27 00:10:26,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-27 00:10:26,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-27 00:10:26,636 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2018-10-27 00:10:26,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:10:26,656 INFO L93 Difference]: Finished difference Result 75 states and 103 transitions. [2018-10-27 00:10:26,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-27 00:10:26,657 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-10-27 00:10:26,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:10:26,664 INFO L225 Difference]: With dead ends: 75 [2018-10-27 00:10:26,664 INFO L226 Difference]: Without dead ends: 38 [2018-10-27 00:10:26,668 INFO L605 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 [2018-10-27 00:10:26,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-10-27 00:10:26,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-10-27 00:10:26,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-10-27 00:10:26,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 46 transitions. [2018-10-27 00:10:26,709 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 46 transitions. Word has length 21 [2018-10-27 00:10:26,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:10:26,709 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 46 transitions. [2018-10-27 00:10:26,709 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-27 00:10:26,710 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2018-10-27 00:10:26,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-27 00:10:26,713 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:10:26,713 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:10:26,714 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:10:26,714 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:10:26,714 INFO L82 PathProgramCache]: Analyzing trace with hash 1463339840, now seen corresponding path program 1 times [2018-10-27 00:10:26,714 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-27 00:10:26,715 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2cc6bda3-1f02-4bc3-aad1-87122d36f163/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-10-27 00:10:26,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-10-27 00:10:26,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:10:26,791 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:10:26,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:10:26,845 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 00:10:26,856 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:10:26,856 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 00:10:26,857 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 00:10:26,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 00:10:26,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 00:10:26,858 INFO L87 Difference]: Start difference. First operand 38 states and 46 transitions. Second operand 4 states. [2018-10-27 00:10:26,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:10:26,913 INFO L93 Difference]: Finished difference Result 56 states and 66 transitions. [2018-10-27 00:10:26,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 00:10:26,916 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2018-10-27 00:10:26,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:10:26,919 INFO L225 Difference]: With dead ends: 56 [2018-10-27 00:10:26,919 INFO L226 Difference]: Without dead ends: 41 [2018-10-27 00:10:26,919 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 00:10:26,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-10-27 00:10:26,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-10-27 00:10:26,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-10-27 00:10:26,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 50 transitions. [2018-10-27 00:10:26,931 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 50 transitions. Word has length 22 [2018-10-27 00:10:26,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:10:26,931 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 50 transitions. [2018-10-27 00:10:26,931 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 00:10:26,931 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2018-10-27 00:10:26,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-27 00:10:26,932 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:10:26,932 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:10:26,933 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:10:26,933 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:10:26,933 INFO L82 PathProgramCache]: Analyzing trace with hash -583274473, now seen corresponding path program 1 times [2018-10-27 00:10:26,933 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-27 00:10:26,934 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2cc6bda3-1f02-4bc3-aad1-87122d36f163/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-10-27 00:10:26,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-10-27 00:10:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:10:27,002 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:10:27,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:10:27,333 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 00:10:27,342 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:10:27,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-27 00:10:27,342 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-27 00:10:27,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-27 00:10:27,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-27 00:10:27,343 INFO L87 Difference]: Start difference. First operand 41 states and 50 transitions. Second operand 8 states. [2018-10-27 00:10:27,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:10:27,864 INFO L93 Difference]: Finished difference Result 60 states and 73 transitions. [2018-10-27 00:10:27,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 00:10:27,865 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2018-10-27 00:10:27,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:10:27,866 INFO L225 Difference]: With dead ends: 60 [2018-10-27 00:10:27,867 INFO L226 Difference]: Without dead ends: 40 [2018-10-27 00:10:27,867 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-10-27 00:10:27,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-10-27 00:10:27,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-10-27 00:10:27,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-10-27 00:10:27,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 47 transitions. [2018-10-27 00:10:27,874 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 47 transitions. Word has length 23 [2018-10-27 00:10:27,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:10:27,874 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 47 transitions. [2018-10-27 00:10:27,874 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-27 00:10:27,874 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2018-10-27 00:10:27,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-27 00:10:27,875 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:10:27,876 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:10:27,877 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:10:27,877 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:10:27,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1063309775, now seen corresponding path program 1 times [2018-10-27 00:10:27,877 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-27 00:10:27,878 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2cc6bda3-1f02-4bc3-aad1-87122d36f163/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-10-27 00:10:27,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:10:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:10:27,957 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:10:27,971 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 00:10:27,971 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 00:10:27,980 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:10:27,980 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 00:10:27,981 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 00:10:27,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 00:10:27,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 00:10:27,981 INFO L87 Difference]: Start difference. First operand 40 states and 47 transitions. Second operand 4 states. [2018-10-27 00:10:28,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:10:28,086 INFO L93 Difference]: Finished difference Result 56 states and 64 transitions. [2018-10-27 00:10:28,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 00:10:28,087 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2018-10-27 00:10:28,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:10:28,089 INFO L225 Difference]: With dead ends: 56 [2018-10-27 00:10:28,089 INFO L226 Difference]: Without dead ends: 41 [2018-10-27 00:10:28,089 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 00:10:28,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-10-27 00:10:28,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-10-27 00:10:28,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-10-27 00:10:28,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 48 transitions. [2018-10-27 00:10:28,096 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 48 transitions. Word has length 30 [2018-10-27 00:10:28,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:10:28,097 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 48 transitions. [2018-10-27 00:10:28,097 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 00:10:28,097 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2018-10-27 00:10:28,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-27 00:10:28,098 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:10:28,098 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:10:28,098 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:10:28,098 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:10:28,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1223995116, now seen corresponding path program 1 times [2018-10-27 00:10:28,099 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-27 00:10:28,099 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2cc6bda3-1f02-4bc3-aad1-87122d36f163/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-10-27 00:10:28,109 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-10-27 00:10:28,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:10:28,174 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:10:28,371 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-27 00:10:28,371 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 00:10:28,383 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:10:28,384 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-27 00:10:28,384 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-27 00:10:28,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-27 00:10:28,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-27 00:10:28,385 INFO L87 Difference]: Start difference. First operand 41 states and 48 transitions. Second operand 8 states. [2018-10-27 00:10:28,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:10:28,784 INFO L93 Difference]: Finished difference Result 58 states and 66 transitions. [2018-10-27 00:10:28,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 00:10:28,785 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 31 [2018-10-27 00:10:28,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:10:28,786 INFO L225 Difference]: With dead ends: 58 [2018-10-27 00:10:28,786 INFO L226 Difference]: Without dead ends: 35 [2018-10-27 00:10:28,787 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-10-27 00:10:28,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-10-27 00:10:28,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-10-27 00:10:28,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-10-27 00:10:28,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2018-10-27 00:10:28,791 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 31 [2018-10-27 00:10:28,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:10:28,792 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2018-10-27 00:10:28,792 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-27 00:10:28,792 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2018-10-27 00:10:28,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-27 00:10:28,792 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:10:28,793 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:10:28,793 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:10:28,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:10:28,793 INFO L82 PathProgramCache]: Analyzing trace with hash 410180372, now seen corresponding path program 1 times [2018-10-27 00:10:28,793 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-27 00:10:28,794 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2cc6bda3-1f02-4bc3-aad1-87122d36f163/bin-2019/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-10-27 00:10:28,799 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:10:28,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:10:28,853 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:10:28,927 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-27 00:10:28,928 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 00:10:28,935 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:10:28,935 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-27 00:10:28,935 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-27 00:10:28,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-27 00:10:28,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-27 00:10:28,936 INFO L87 Difference]: Start difference. First operand 35 states and 37 transitions. Second operand 8 states. [2018-10-27 00:10:29,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:10:29,229 INFO L93 Difference]: Finished difference Result 43 states and 45 transitions. [2018-10-27 00:10:29,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 00:10:29,229 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2018-10-27 00:10:29,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:10:29,230 INFO L225 Difference]: With dead ends: 43 [2018-10-27 00:10:29,230 INFO L226 Difference]: Without dead ends: 40 [2018-10-27 00:10:29,230 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-10-27 00:10:29,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-10-27 00:10:29,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-10-27 00:10:29,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-10-27 00:10:29,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 42 transitions. [2018-10-27 00:10:29,234 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 42 transitions. Word has length 32 [2018-10-27 00:10:29,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:10:29,236 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 42 transitions. [2018-10-27 00:10:29,236 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-27 00:10:29,236 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 42 transitions. [2018-10-27 00:10:29,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-27 00:10:29,237 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:10:29,237 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:10:29,237 INFO L424 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:10:29,237 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:10:29,238 INFO L82 PathProgramCache]: Analyzing trace with hash 1219526998, now seen corresponding path program 1 times [2018-10-27 00:10:29,238 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-27 00:10:29,238 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2cc6bda3-1f02-4bc3-aad1-87122d36f163/bin-2019/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-10-27 00:10:29,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:10:29,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:10:29,312 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:10:29,370 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-27 00:10:29,370 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 00:10:29,380 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:10:29,381 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 00:10:29,381 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 00:10:29,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 00:10:29,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 00:10:29,381 INFO L87 Difference]: Start difference. First operand 40 states and 42 transitions. Second operand 5 states. [2018-10-27 00:10:29,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:10:29,446 INFO L93 Difference]: Finished difference Result 51 states and 52 transitions. [2018-10-27 00:10:29,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 00:10:29,450 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-10-27 00:10:29,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:10:29,450 INFO L225 Difference]: With dead ends: 51 [2018-10-27 00:10:29,451 INFO L226 Difference]: Without dead ends: 35 [2018-10-27 00:10:29,451 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-27 00:10:29,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-10-27 00:10:29,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-10-27 00:10:29,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-10-27 00:10:29,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2018-10-27 00:10:29,454 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 35 transitions. Word has length 32 [2018-10-27 00:10:29,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:10:29,454 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 35 transitions. [2018-10-27 00:10:29,454 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 00:10:29,454 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2018-10-27 00:10:29,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-27 00:10:29,455 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:10:29,455 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:10:29,455 INFO L424 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:10:29,456 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:10:29,456 INFO L82 PathProgramCache]: Analyzing trace with hash 1465986518, now seen corresponding path program 1 times [2018-10-27 00:10:29,456 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-27 00:10:29,456 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2cc6bda3-1f02-4bc3-aad1-87122d36f163/bin-2019/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-10-27 00:10:29,463 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:10:29,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:10:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:10:29,656 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-27 00:10:29,673 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,674 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,675 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,675 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,675 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,675 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,676 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,676 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,676 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,676 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,677 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,677 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,677 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,677 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,678 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,678 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,678 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,679 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,679 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,679 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,679 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,680 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,680 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,680 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,680 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,681 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,681 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,681 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,681 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,682 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,682 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,682 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,683 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,683 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,684 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,684 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,684 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,685 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,685 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,686 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,686 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,686 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,687 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,687 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,687 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,687 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,688 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,688 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 12:10:29 BoogieIcfgContainer [2018-10-27 00:10:29,710 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 00:10:29,711 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:10:29,711 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:10:29,711 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:10:29,712 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:10:26" (3/4) ... [2018-10-27 00:10:29,714 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-27 00:10:29,718 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,718 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,719 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,719 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,719 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,719 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,720 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,720 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,720 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,720 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,720 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,721 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,721 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,721 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,721 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,722 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,726 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,726 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,726 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,726 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,727 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,727 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,727 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,727 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,728 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,728 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,728 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,728 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,728 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,728 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,729 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,729 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,733 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,733 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,734 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,734 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,734 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,734 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,735 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,735 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,735 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,735 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,735 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,736 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,736 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,736 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,736 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:10:29,736 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:10:29,798 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2cc6bda3-1f02-4bc3-aad1-87122d36f163/bin-2019/utaipan/witness.graphml [2018-10-27 00:10:29,798 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:10:29,799 INFO L168 Benchmark]: Toolchain (without parser) took 4312.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.7 MB). Free memory was 951.9 MB in the beginning and 922.4 MB in the end (delta: 29.5 MB). Peak memory consumption was 206.2 MB. Max. memory is 11.5 GB. [2018-10-27 00:10:29,801 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:10:29,801 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.40 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-27 00:10:29,802 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.68 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:10:29,802 INFO L168 Benchmark]: Boogie Preprocessor took 45.04 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:10:29,802 INFO L168 Benchmark]: RCFGBuilder took 587.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.7 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -208.4 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. [2018-10-27 00:10:29,807 INFO L168 Benchmark]: TraceAbstraction took 3273.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 929.0 MB in the end (delta: 215.3 MB). Peak memory consumption was 215.3 MB. Max. memory is 11.5 GB. [2018-10-27 00:10:29,807 INFO L168 Benchmark]: Witness Printer took 87.33 ms. Allocated memory is still 1.2 GB. Free memory was 929.0 MB in the beginning and 922.4 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-10-27 00:10:29,811 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 274.40 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.68 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.04 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 587.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.7 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -208.4 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3273.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 929.0 MB in the end (delta: 215.3 MB). Peak memory consumption was 215.3 MB. Max. memory is 11.5 GB. * Witness Printer took 87.33 ms. Allocated memory is still 1.2 GB. Free memory was 929.0 MB in the beginning and 922.4 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 70]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L64] float x = -0.0f; [L65] float y = 0.0f; VAL [x=0.0, y=0.0] [L66] CALL, EXPR fmin_float(x, y) VAL [\old(x)=0.0, \old(y)=0.0] [L36] CALL, EXPR __fpclassify_float(x) [L13] __uint32_t w; [L16] CALL ieee_float_shape_type gf_u; [L16] RET ieee_float_shape_type gf_u; [L17] CALL gf_u.value = (x) [L17] RET gf_u.value = (x) [L18] CALL, EXPR gf_u.word [L18] RET, EXPR gf_u.word [L18] (w) = gf_u.word [L18] RET (w) = gf_u.word [L19] COND FALSE !(0) [L21] COND TRUE w == 0x00000000 || w == 0x80000000 [L22] RET return 2; [L36] EXPR __fpclassify_float(x) VAL [\old(x)=0.0, \old(y)=0.0, __fpclassify_float(x)=2, x=0.0, y=0.0] [L36] COND FALSE !(__fpclassify_float(x) == 0) [L38] CALL, EXPR __fpclassify_float(y) [L13] __uint32_t w; [L16] CALL ieee_float_shape_type gf_u; [L16] RET ieee_float_shape_type gf_u; [L17] CALL gf_u.value = (x) [L17] RET gf_u.value = (x) [L18] CALL, EXPR gf_u.word [L18] RET, EXPR gf_u.word [L18] (w) = gf_u.word [L18] RET (w) = gf_u.word [L19] COND FALSE !(0) [L21] COND TRUE w == 0x00000000 || w == 0x80000000 [L22] RET return 2; [L38] EXPR __fpclassify_float(y) VAL [\old(x)=0.0, \old(y)=0.0, __fpclassify_float(y)=2, x=0.0, y=0.0] [L38] COND FALSE !(__fpclassify_float(y) == 0) [L41] COND FALSE, EXPR !(x < y ? x : y) VAL [\old(x)=0.0, \old(y)=0.0, x=0.0, x < y ? x : y=0.0, y=0.0] [L41] RET return x < y ? x : y; [L66] EXPR fmin_float(x, y) VAL [fmin_float(x, y)=0.0, x=0.0, y=0.0] [L66] float res = fmin_float(x, y); [L69] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [res=0.0, res == -0.0f && __signbit_float(res) == 1=1, x=0.0, y=0.0] [L69] CALL, EXPR __signbit_float(res) [L45] __uint32_t w; [L48] CALL ieee_float_shape_type gf_u; [L48] RET ieee_float_shape_type gf_u; [L49] CALL gf_u.value = (x) [L49] RET gf_u.value = (x) [L50] CALL, EXPR gf_u.word [L50] RET, EXPR gf_u.word [L50] (w) = gf_u.word [L50] RET (w) = gf_u.word [L51] COND FALSE !(0) [L53] RET return (w & 0x80000000) != 0; [L69] EXPR __signbit_float(res) VAL [__signbit_float(res)=0, res=0.0, res == -0.0f && __signbit_float(res) == 1=1, x=0.0, y=0.0] [L69] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [__signbit_float(res)=0, res=0.0, res == -0.0f && __signbit_float(res) == 1=0, x=0.0, y=0.0] [L69] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L70] __VERIFIER_error() VAL [res=0.0, x=0.0, y=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 42 locations, 1 error locations. UNSAFE Result, 3.2s OverallTime, 8 OverallIterations, 2 TraceHistogramMax, 1.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 274 SDtfs, 114 SDslu, 744 SDs, 0 SdLazy, 278 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 196 GetRequests, 159 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 231 NumberOfCodeBlocks, 231 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 184 ConstructedInterpolants, 12 QuantifiedInterpolants, 13359 SizeOfPredicates, 17 NumberOfNonLiveVariables, 679 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 24/24 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...