./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_3_8_false-unreach-call_true-termination.i --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_cac0a68f-3a6c-4613-876f-daca9bbb7c29/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cac0a68f-3a6c-4613-876f-daca9bbb7c29/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cac0a68f-3a6c-4613-876f-daca9bbb7c29/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cac0a68f-3a6c-4613-876f-daca9bbb7c29/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_3_8_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_cac0a68f-3a6c-4613-876f-daca9bbb7c29/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cac0a68f-3a6c-4613-876f-daca9bbb7c29/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2602ec85874add80e06b2692c2aa37caac725410 ............................................................................................................................................................................................................................................................................. 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_cac0a68f-3a6c-4613-876f-daca9bbb7c29/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cac0a68f-3a6c-4613-876f-daca9bbb7c29/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cac0a68f-3a6c-4613-876f-daca9bbb7c29/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cac0a68f-3a6c-4613-876f-daca9bbb7c29/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_3_8_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_cac0a68f-3a6c-4613-876f-daca9bbb7c29/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cac0a68f-3a6c-4613-876f-daca9bbb7c29/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2602ec85874add80e06b2692c2aa37caac725410 .................................................................................................................................................................................................................................................................. 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 [2018-10-26 23:05:23,617 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:05:23,619 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:05:23,628 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:05:23,628 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:05:23,629 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:05:23,629 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:05:23,631 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:05:23,632 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:05:23,633 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:05:23,634 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:05:23,634 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:05:23,635 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:05:23,636 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:05:23,637 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:05:23,637 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:05:23,638 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:05:23,640 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:05:23,641 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:05:23,642 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:05:23,644 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:05:23,645 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:05:23,646 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:05:23,647 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:05:23,647 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:05:23,648 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:05:23,649 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:05:23,649 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:05:23,650 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:05:23,651 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:05:23,651 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:05:23,652 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:05:23,652 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:05:23,652 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:05:23,653 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:05:23,653 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:05:23,654 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cac0a68f-3a6c-4613-876f-daca9bbb7c29/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-10-26 23:05:23,665 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:05:23,665 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:05:23,666 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:05:23,666 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 23:05:23,666 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 23:05:23,666 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 23:05:23,667 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 23:05:23,667 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:05:23,668 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:05:23,668 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 23:05:23,668 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:05:23,668 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:05:23,668 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:05:23,668 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:05:23,668 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:05:23,669 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:05:23,669 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:05:23,669 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:05:23,669 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:05:23,669 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 23:05:23,669 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:05:23,669 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 23:05:23,670 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 23:05:23,670 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:05:23,670 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:05:23,670 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:05:23,670 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 23:05:23,670 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:05:23,670 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 23:05:23,671 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_cac0a68f-3a6c-4613-876f-daca9bbb7c29/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2602ec85874add80e06b2692c2aa37caac725410 [2018-10-26 23:05:23,697 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:05:23,707 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:05:23,710 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:05:23,712 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:05:23,712 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:05:23,713 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cac0a68f-3a6c-4613-876f-daca9bbb7c29/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cdfpl/newton_3_8_false-unreach-call_true-termination.i [2018-10-26 23:05:23,760 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cac0a68f-3a6c-4613-876f-daca9bbb7c29/bin-2019/uautomizer/data/23c9c56f9/d809c5b1d03a4e469e8477f774862f14/FLAGa4676246a [2018-10-26 23:05:24,153 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:05:24,154 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cac0a68f-3a6c-4613-876f-daca9bbb7c29/sv-benchmarks/c/floats-cdfpl/newton_3_8_false-unreach-call_true-termination.i [2018-10-26 23:05:24,160 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cac0a68f-3a6c-4613-876f-daca9bbb7c29/bin-2019/uautomizer/data/23c9c56f9/d809c5b1d03a4e469e8477f774862f14/FLAGa4676246a [2018-10-26 23:05:24,172 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cac0a68f-3a6c-4613-876f-daca9bbb7c29/bin-2019/uautomizer/data/23c9c56f9/d809c5b1d03a4e469e8477f774862f14 [2018-10-26 23:05:24,175 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:05:24,175 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 23:05:24,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:05:24,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:05:24,180 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:05:24,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:05:24" (1/1) ... [2018-10-26 23:05:24,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@100306ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:05:24, skipping insertion in model container [2018-10-26 23:05:24,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:05:24" (1/1) ... [2018-10-26 23:05:24,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:05:24,208 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:05:24,330 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:05:24,333 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:05:24,348 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:05:24,359 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:05:24,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:05:24 WrapperNode [2018-10-26 23:05:24,360 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:05:24,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:05:24,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:05:24,361 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:05:24,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:05:24" (1/1) ... [2018-10-26 23:05:24,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:05:24" (1/1) ... [2018-10-26 23:05:24,376 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:05:24" (1/1) ... [2018-10-26 23:05:24,376 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:05:24" (1/1) ... [2018-10-26 23:05:24,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:05:24" (1/1) ... [2018-10-26 23:05:24,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:05:24" (1/1) ... [2018-10-26 23:05:24,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:05:24" (1/1) ... [2018-10-26 23:05:24,382 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:05:24,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:05:24,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:05:24,383 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:05:24,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:05:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cac0a68f-3a6c-4613-876f-daca9bbb7c29/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 23:05:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 23:05:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:05:24,478 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-10-26 23:05:24,478 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-10-26 23:05:24,478 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 23:05:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-26 23:05:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-10-26 23:05:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-10-26 23:05:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-10-26 23:05:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-10-26 23:05:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 23:05:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 23:05:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:05:24,819 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:05:24,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:05:24 BoogieIcfgContainer [2018-10-26 23:05:24,820 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:05:24,820 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 23:05:24,820 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 23:05:24,824 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 23:05:24,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 11:05:24" (1/3) ... [2018-10-26 23:05:24,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a2c9866 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:05:24, skipping insertion in model container [2018-10-26 23:05:24,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:05:24" (2/3) ... [2018-10-26 23:05:24,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a2c9866 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:05:24, skipping insertion in model container [2018-10-26 23:05:24,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:05:24" (3/3) ... [2018-10-26 23:05:24,828 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_3_8_false-unreach-call_true-termination.i [2018-10-26 23:05:24,837 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 23:05:24,843 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 23:05:24,857 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 23:05:24,883 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 23:05:24,884 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 23:05:24,884 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 23:05:24,884 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 23:05:24,884 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 23:05:24,884 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 23:05:24,884 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 23:05:24,884 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 23:05:24,884 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 23:05:24,900 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2018-10-26 23:05:24,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-26 23:05:24,906 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:05:24,907 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:05:24,909 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:05:24,914 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:05:24,914 INFO L82 PathProgramCache]: Analyzing trace with hash 122785517, now seen corresponding path program 1 times [2018-10-26 23:05:24,916 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 23:05:24,917 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 23:05:24,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:05:24,958 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:05:24,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:05:24,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:05:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:05:25,022 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 23:05:25,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 11:05:25 BoogieIcfgContainer [2018-10-26 23:05:25,044 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 23:05:25,044 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:05:25,044 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:05:25,044 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:05:25,045 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:05:24" (3/4) ... [2018-10-26 23:05:25,049 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 23:05:25,049 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:05:25,050 INFO L168 Benchmark]: Toolchain (without parser) took 874.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -175.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:05:25,052 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:05:25,052 INFO L168 Benchmark]: CACSL2BoogieTranslator took 184.14 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 945.7 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-10-26 23:05:25,053 INFO L168 Benchmark]: Boogie Preprocessor took 21.69 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 943.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 23:05:25,054 INFO L168 Benchmark]: RCFGBuilder took 437.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 943.0 MB in the beginning and 1.1 GB in the end (delta: -205.0 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-10-26 23:05:25,054 INFO L168 Benchmark]: TraceAbstraction took 223.45 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: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2018-10-26 23:05:25,056 INFO L168 Benchmark]: Witness Printer took 5.17 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. [2018-10-26 23:05:25,059 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 184.14 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 945.7 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.69 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 943.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 437.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 943.0 MB in the beginning and 1.1 GB in the end (delta: -205.0 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 223.45 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: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. * Witness Printer took 5.17 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.plugins.generator.traceabstraction: - UnprovableResult [Line: 28]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 17, overapproximation of someBinaryDOUBLEComparisonOperation at line 27, overapproximation of someBinaryArithmeticFLOAToperation at line 23. Possible FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L19] CALL, EXPR f(IN) VAL [\old(x)=8] [L6] RET return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=8, x=8] [L19] EXPR f(IN) VAL [f(IN)=5, IN=8] [L19] CALL, EXPR fp(IN) VAL [\old(x)=8] [L11] RET return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=8, x=8] [L19] EXPR fp(IN) VAL [f(IN)=5, fp(IN)=2, IN=8] [L19] float x = IN - f(IN)/fp(IN); [L21] CALL, EXPR f(x) VAL [\old(x)=3] [L6] RET return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=3, x=3] [L21] EXPR f(x) VAL [f(x)=4, IN=8, x=3] [L21] CALL, EXPR fp(x) VAL [\old(x)=3] [L11] RET return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=3, x=3] [L21] EXPR fp(x) VAL [f(x)=4, fp(x)=0, IN=8, x=3] [L21] x = x - f(x)/fp(x) [L23] CALL, EXPR f(x) VAL [\old(x)=6] [L6] RET return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=6, x=6] [L23] EXPR f(x) VAL [f(x)=1, IN=8, x=6] [L23] CALL, EXPR fp(x) VAL [\old(x)=6] [L11] RET return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=6, x=6] [L23] EXPR fp(x) VAL [f(x)=1, fp(x)=7, IN=8, x=6] [L23] x = x - f(x)/fp(x) [L27] COND TRUE !(x < 0.1) VAL [IN=8] [L28] __VERIFIER_error() VAL [IN=8] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 28 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 3 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2018-10-26 23:05:26,929 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:05:26,931 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:05:26,940 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:05:26,940 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:05:26,940 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:05:26,941 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:05:26,943 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:05:26,944 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:05:26,945 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:05:26,946 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:05:26,946 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:05:26,947 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:05:26,947 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:05:26,948 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:05:26,949 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:05:26,949 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:05:26,951 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:05:26,953 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:05:26,954 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:05:26,955 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:05:26,956 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:05:26,958 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:05:26,958 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:05:26,958 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:05:26,959 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:05:26,960 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:05:26,961 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:05:26,961 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:05:26,962 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:05:26,962 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:05:26,963 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:05:26,964 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:05:26,964 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:05:26,964 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:05:26,965 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:05:26,965 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cac0a68f-3a6c-4613-876f-daca9bbb7c29/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-10-26 23:05:26,976 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:05:26,976 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:05:26,977 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:05:26,977 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 23:05:26,978 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 23:05:26,978 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 23:05:26,978 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 23:05:26,978 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:05:26,978 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:05:26,978 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:05:26,978 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:05:26,979 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:05:26,979 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:05:26,979 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:05:26,980 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 23:05:26,980 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 23:05:26,980 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:05:26,981 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:05:26,981 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:05:26,981 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:05:26,981 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 23:05:26,981 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:05:26,981 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 23:05:26,981 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 23:05:26,982 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:05:26,982 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:05:26,982 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:05:26,982 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-10-26 23:05:26,982 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:05:26,982 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 23:05:26,982 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 23:05:26,982 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_cac0a68f-3a6c-4613-876f-daca9bbb7c29/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2602ec85874add80e06b2692c2aa37caac725410 [2018-10-26 23:05:27,021 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:05:27,031 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:05:27,034 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:05:27,036 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:05:27,036 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:05:27,036 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cac0a68f-3a6c-4613-876f-daca9bbb7c29/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cdfpl/newton_3_8_false-unreach-call_true-termination.i [2018-10-26 23:05:27,081 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cac0a68f-3a6c-4613-876f-daca9bbb7c29/bin-2019/uautomizer/data/36df0176d/f37d184e1bbb4e8090275072a00e6e57/FLAG17aa2f3ac [2018-10-26 23:05:27,461 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:05:27,463 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cac0a68f-3a6c-4613-876f-daca9bbb7c29/sv-benchmarks/c/floats-cdfpl/newton_3_8_false-unreach-call_true-termination.i [2018-10-26 23:05:27,468 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cac0a68f-3a6c-4613-876f-daca9bbb7c29/bin-2019/uautomizer/data/36df0176d/f37d184e1bbb4e8090275072a00e6e57/FLAG17aa2f3ac [2018-10-26 23:05:27,486 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cac0a68f-3a6c-4613-876f-daca9bbb7c29/bin-2019/uautomizer/data/36df0176d/f37d184e1bbb4e8090275072a00e6e57 [2018-10-26 23:05:27,489 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:05:27,491 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 23:05:27,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:05:27,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:05:27,498 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:05:27,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:05:27" (1/1) ... [2018-10-26 23:05:27,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37f6f76a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:05:27, skipping insertion in model container [2018-10-26 23:05:27,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:05:27" (1/1) ... [2018-10-26 23:05:27,513 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:05:27,532 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:05:27,687 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:05:27,693 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:05:27,718 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:05:27,737 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:05:27,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:05:27 WrapperNode [2018-10-26 23:05:27,737 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:05:27,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:05:27,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:05:27,738 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:05:27,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:05:27" (1/1) ... [2018-10-26 23:05:27,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:05:27" (1/1) ... [2018-10-26 23:05:27,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:05:27" (1/1) ... [2018-10-26 23:05:27,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:05:27" (1/1) ... [2018-10-26 23:05:27,765 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:05:27" (1/1) ... [2018-10-26 23:05:27,774 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:05:27" (1/1) ... [2018-10-26 23:05:27,776 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:05:27" (1/1) ... [2018-10-26 23:05:27,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:05:27,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:05:27,778 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:05:27,778 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:05:27,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:05:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cac0a68f-3a6c-4613-876f-daca9bbb7c29/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 23:05:27,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 23:05:27,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:05:27,834 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-10-26 23:05:27,834 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-10-26 23:05:27,834 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 23:05:27,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-26 23:05:27,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-10-26 23:05:27,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-10-26 23:05:27,834 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-10-26 23:05:27,835 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-10-26 23:05:27,835 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 23:05:27,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 23:05:27,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:05:34,576 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:05:34,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:05:34 BoogieIcfgContainer [2018-10-26 23:05:34,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:05:34,578 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 23:05:34,578 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 23:05:34,582 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 23:05:34,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 11:05:27" (1/3) ... [2018-10-26 23:05:34,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@474d8785 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:05:34, skipping insertion in model container [2018-10-26 23:05:34,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:05:27" (2/3) ... [2018-10-26 23:05:34,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@474d8785 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:05:34, skipping insertion in model container [2018-10-26 23:05:34,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:05:34" (3/3) ... [2018-10-26 23:05:34,586 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_3_8_false-unreach-call_true-termination.i [2018-10-26 23:05:34,595 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 23:05:34,602 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 23:05:34,617 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 23:05:34,644 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 23:05:34,645 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 23:05:34,645 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 23:05:34,645 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 23:05:34,645 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 23:05:34,646 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 23:05:34,646 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 23:05:34,646 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 23:05:34,646 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 23:05:34,663 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2018-10-26 23:05:34,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-26 23:05:34,669 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:05:34,670 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:05:34,672 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:05:34,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:05:34,678 INFO L82 PathProgramCache]: Analyzing trace with hash 122785517, now seen corresponding path program 1 times [2018-10-26 23:05:34,682 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 23:05:34,683 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cac0a68f-3a6c-4613-876f-daca9bbb7c29/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-10-26 23:05:34,700 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:05:40,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:09:07,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:09:07,913 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 23:09:07,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 11:09:07 BoogieIcfgContainer [2018-10-26 23:09:07,964 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 23:09:07,965 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:09:07,965 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:09:07,966 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:09:07,966 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:05:34" (3/4) ... [2018-10-26 23:09:07,969 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-26 23:09:08,019 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cac0a68f-3a6c-4613-876f-daca9bbb7c29/bin-2019/uautomizer/witness.graphml [2018-10-26 23:09:08,020 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:09:08,021 INFO L168 Benchmark]: Toolchain (without parser) took 220530.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -129.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:09:08,022 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-10-26 23:09:08,023 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.54 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 938.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-10-26 23:09:08,024 INFO L168 Benchmark]: Boogie Preprocessor took 39.97 ms. Allocated memory is still 1.0 GB. Free memory was 938.5 MB in the beginning and 933.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:09:08,025 INFO L168 Benchmark]: RCFGBuilder took 6799.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -171.6 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:09:08,025 INFO L168 Benchmark]: TraceAbstraction took 213386.71 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: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-10-26 23:09:08,026 INFO L168 Benchmark]: Witness Printer took 55.02 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. [2018-10-26 23:09:08,030 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 244.54 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 938.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.97 ms. Allocated memory is still 1.0 GB. Free memory was 938.5 MB in the beginning and 933.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 6799.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -171.6 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 213386.71 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: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Witness Printer took 55.02 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.plugins.generator.traceabstraction: - CounterExampleResult [Line: 28]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L19] CALL, EXPR f(IN) VAL [\old(x)=1.684674620628357] [L6] RET return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=1.684674620628357, \result=1.0085123777389526, x=1.684674620628357] [L19] EXPR f(IN) VAL [f(IN)=1.0085123777389526, IN=1.684674620628357] [L19] CALL, EXPR fp(IN) VAL [\old(x)=1.684674620628357] [L11] RET return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=1.684674620628357, \result=-0.05168893560767174, x=1.684674620628357] [L19] EXPR fp(IN) VAL [f(IN)=1.0085123777389526, fp(IN)=-0.05168893560767174, IN=1.684674620628357] [L19] float x = IN - f(IN)/fp(IN); [L21] CALL, EXPR f(x) VAL [\old(x)=21.195859909057617] [L6] RET return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=21.195859909057617, \result=415437.90625, x=21.195859909057617] [L21] EXPR f(x) VAL [f(x)=415437.90625, IN=1.684674620628357, x=21.195859909057617] [L21] CALL, EXPR fp(x) VAL [\old(x)=21.195859909057617] [L11] RET return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=21.195859909057617, \result=134129.21875, x=21.195859909057617] [L21] EXPR fp(x) VAL [f(x)=415437.90625, fp(x)=134129.21875, IN=1.684674620628357, x=21.195859909057617] [L21] x = x - f(x)/fp(x) [L23] CALL, EXPR f(x) VAL [\old(x)=18.09856414794922] [L6] RET return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=18.09856414794922, \result=141417.8125, x=18.09856414794922] [L23] EXPR f(x) VAL [f(x)=141417.8125, IN=1.684674620628357, x=18.09856414794922] [L23] CALL, EXPR fp(x) VAL [\old(x)=18.09856414794922] [L11] RET return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=18.09856414794922, \result=53120.4453125, x=18.09856414794922] [L23] EXPR fp(x) VAL [f(x)=141417.8125, fp(x)=53120.4453125, IN=1.684674620628357, x=18.09856414794922] [L23] x = x - f(x)/fp(x) [L27] COND TRUE !(x < 0.1) VAL [IN=1.684674620628357, x=15.43635368347168] [L28] __VERIFIER_error() VAL [IN=1.684674620628357, x=15.43635368347168] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 28 locations, 1 error locations. UNSAFE Result, 213.3s OverallTime, 1 OverallIterations, 3 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 6.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...