./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_3_8.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3b81bf3f-fd3d-4c81-b34f-df1d3a213dc2/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3b81bf3f-fd3d-4c81-b34f-df1d3a213dc2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3b81bf3f-fd3d-4c81-b34f-df1d3a213dc2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3b81bf3f-fd3d-4c81-b34f-df1d3a213dc2/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_3_8.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3b81bf3f-fd3d-4c81-b34f-df1d3a213dc2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3b81bf3f-fd3d-4c81-b34f-df1d3a213dc2/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2602ec85874add80e06b2692c2aa37caac725410 ............................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3b81bf3f-fd3d-4c81-b34f-df1d3a213dc2/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3b81bf3f-fd3d-4c81-b34f-df1d3a213dc2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3b81bf3f-fd3d-4c81-b34f-df1d3a213dc2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3b81bf3f-fd3d-4c81-b34f-df1d3a213dc2/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_3_8.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3b81bf3f-fd3d-4c81-b34f-df1d3a213dc2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3b81bf3f-fd3d-4c81-b34f-df1d3a213dc2/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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 0.1.25-f470102 [2019-12-07 15:32:51,765 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:32:51,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:32:51,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:32:51,774 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:32:51,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:32:51,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:32:51,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:32:51,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:32:51,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:32:51,780 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:32:51,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:32:51,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:32:51,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:32:51,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:32:51,783 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:32:51,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:32:51,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:32:51,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:32:51,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:32:51,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:32:51,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:32:51,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:32:51,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:32:51,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:32:51,791 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:32:51,791 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:32:51,791 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:32:51,792 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:32:51,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:32:51,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:32:51,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:32:51,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:32:51,794 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:32:51,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:32:51,794 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:32:51,795 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:32:51,795 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:32:51,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:32:51,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:32:51,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:32:51,796 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3b81bf3f-fd3d-4c81-b34f-df1d3a213dc2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 15:32:51,806 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:32:51,806 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:32:51,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 15:32:51,807 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 15:32:51,807 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 15:32:51,807 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:32:51,807 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:32:51,807 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:32:51,807 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:32:51,808 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:32:51,808 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 15:32:51,808 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:32:51,808 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 15:32:51,808 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:32:51,808 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:32:51,808 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:32:51,808 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 15:32:51,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:32:51,809 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:32:51,809 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:32:51,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:32:51,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:32:51,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:32:51,809 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:32:51,809 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 15:32:51,810 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 15:32:51,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 15:32:51,810 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 15:32:51,810 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:32:51,810 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3b81bf3f-fd3d-4c81-b34f-df1d3a213dc2/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2602ec85874add80e06b2692c2aa37caac725410 [2019-12-07 15:32:51,910 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:32:51,920 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:32:51,922 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:32:51,924 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:32:51,924 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:32:51,925 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3b81bf3f-fd3d-4c81-b34f-df1d3a213dc2/bin/uautomizer/../../sv-benchmarks/c/floats-cdfpl/newton_3_8.i [2019-12-07 15:32:51,966 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3b81bf3f-fd3d-4c81-b34f-df1d3a213dc2/bin/uautomizer/data/b1e978fd8/a4bc7beb1aea41dab3732a349417e066/FLAGa4e3a4fcf [2019-12-07 15:32:52,285 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:32:52,286 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3b81bf3f-fd3d-4c81-b34f-df1d3a213dc2/sv-benchmarks/c/floats-cdfpl/newton_3_8.i [2019-12-07 15:32:52,289 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3b81bf3f-fd3d-4c81-b34f-df1d3a213dc2/bin/uautomizer/data/b1e978fd8/a4bc7beb1aea41dab3732a349417e066/FLAGa4e3a4fcf [2019-12-07 15:32:52,298 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3b81bf3f-fd3d-4c81-b34f-df1d3a213dc2/bin/uautomizer/data/b1e978fd8/a4bc7beb1aea41dab3732a349417e066 [2019-12-07 15:32:52,299 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:32:52,300 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:32:52,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:32:52,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:32:52,303 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:32:52,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:32:52" (1/1) ... [2019-12-07 15:32:52,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@446e037f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:32:52, skipping insertion in model container [2019-12-07 15:32:52,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:32:52" (1/1) ... [2019-12-07 15:32:52,310 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:32:52,321 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:32:52,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:32:52,462 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:32:52,475 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:32:52,484 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:32:52,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:32:52 WrapperNode [2019-12-07 15:32:52,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:32:52,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:32:52,485 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:32:52,485 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:32:52,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:32:52" (1/1) ... [2019-12-07 15:32:52,498 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:32:52" (1/1) ... [2019-12-07 15:32:52,514 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:32:52,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:32:52,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:32:52,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:32:52,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:32:52" (1/1) ... [2019-12-07 15:32:52,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:32:52" (1/1) ... [2019-12-07 15:32:52,522 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:32:52" (1/1) ... [2019-12-07 15:32:52,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:32:52" (1/1) ... [2019-12-07 15:32:52,526 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:32:52" (1/1) ... [2019-12-07 15:32:52,528 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:32:52" (1/1) ... [2019-12-07 15:32:52,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:32:52" (1/1) ... [2019-12-07 15:32:52,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:32:52,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:32:52,531 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:32:52,531 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:32:52,531 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:32:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b81bf3f-fd3d-4c81-b34f-df1d3a213dc2/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:32:52,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:32:52,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:32:52,660 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:32:52,660 INFO L287 CfgBuilder]: Removed 16 assume(true) statements. [2019-12-07 15:32:52,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:32:52 BoogieIcfgContainer [2019-12-07 15:32:52,661 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:32:52,662 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 15:32:52,662 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 15:32:52,664 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 15:32:52,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 03:32:52" (1/3) ... [2019-12-07 15:32:52,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@795a8578 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:32:52, skipping insertion in model container [2019-12-07 15:32:52,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:32:52" (2/3) ... [2019-12-07 15:32:52,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@795a8578 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:32:52, skipping insertion in model container [2019-12-07 15:32:52,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:32:52" (3/3) ... [2019-12-07 15:32:52,666 INFO L109 eAbstractionObserver]: Analyzing ICFG newton_3_8.i [2019-12-07 15:32:52,672 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 15:32:52,676 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 15:32:52,683 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 15:32:52,697 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 15:32:52,697 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 15:32:52,697 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 15:32:52,697 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:32:52,697 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:32:52,697 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 15:32:52,697 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:32:52,697 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 15:32:52,706 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-12-07 15:32:52,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 15:32:52,709 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:32:52,710 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:32:52,710 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:32:52,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:32:52,714 INFO L82 PathProgramCache]: Analyzing trace with hash -718896697, now seen corresponding path program 1 times [2019-12-07 15:32:52,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:32:52,719 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078375834] [2019-12-07 15:32:52,719 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:32:52,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:32:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:32:52,800 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:32:52,801 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 15:32:52,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 03:32:52 BoogieIcfgContainer [2019-12-07 15:32:52,813 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 15:32:52,813 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:32:52,813 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:32:52,814 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:32:52,814 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:32:52" (3/4) ... [2019-12-07 15:32:52,816 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 15:32:52,816 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:32:52,818 INFO L168 Benchmark]: Toolchain (without parser) took 517.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 939.7 MB in the beginning and 1.1 GB in the end (delta: -126.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:32:52,818 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:32:52,819 INFO L168 Benchmark]: CACSL2BoogieTranslator took 183.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 939.7 MB in the beginning and 1.1 GB in the end (delta: -158.6 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-12-07 15:32:52,819 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.67 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:32:52,820 INFO L168 Benchmark]: Boogie Preprocessor took 16.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:32:52,820 INFO L168 Benchmark]: RCFGBuilder took 130.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2019-12-07 15:32:52,821 INFO L168 Benchmark]: TraceAbstraction took 151.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-12-07 15:32:52,821 INFO L168 Benchmark]: Witness Printer took 3.00 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:32:52,823 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 183.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 939.7 MB in the beginning and 1.1 GB in the end (delta: -158.6 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.67 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 130.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 151.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.00 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * 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(); [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L19] float x = IN - f(IN)/fp(IN); [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L21] x = x - f(x)/fp(x) [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L23] x = x - f(x)/fp(x) [L27] COND TRUE !(x < 0.1) [L28] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 15:32:54,198 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:32:54,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:32:54,207 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:32:54,208 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:32:54,208 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:32:54,209 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:32:54,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:32:54,212 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:32:54,213 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:32:54,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:32:54,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:32:54,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:32:54,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:32:54,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:32:54,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:32:54,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:32:54,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:32:54,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:32:54,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:32:54,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:32:54,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:32:54,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:32:54,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:32:54,226 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:32:54,226 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:32:54,226 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:32:54,227 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:32:54,227 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:32:54,228 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:32:54,228 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:32:54,229 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:32:54,229 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:32:54,230 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:32:54,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:32:54,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:32:54,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:32:54,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:32:54,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:32:54,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:32:54,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:32:54,233 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3b81bf3f-fd3d-4c81-b34f-df1d3a213dc2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 15:32:54,243 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:32:54,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:32:54,244 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 15:32:54,244 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 15:32:54,244 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 15:32:54,244 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:32:54,244 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:32:54,245 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:32:54,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:32:54,245 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 15:32:54,245 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:32:54,245 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 15:32:54,245 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 15:32:54,245 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 15:32:54,246 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:32:54,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:32:54,246 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:32:54,246 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 15:32:54,246 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:32:54,246 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:32:54,246 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:32:54,247 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:32:54,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:32:54,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:32:54,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:32:54,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 15:32:54,247 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 15:32:54,248 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 15:32:54,248 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 15:32:54,248 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:32:54,248 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 15:32:54,248 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3b81bf3f-fd3d-4c81-b34f-df1d3a213dc2/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2602ec85874add80e06b2692c2aa37caac725410 [2019-12-07 15:32:54,425 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:32:54,435 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:32:54,438 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:32:54,439 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:32:54,440 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:32:54,440 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3b81bf3f-fd3d-4c81-b34f-df1d3a213dc2/bin/uautomizer/../../sv-benchmarks/c/floats-cdfpl/newton_3_8.i [2019-12-07 15:32:54,483 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3b81bf3f-fd3d-4c81-b34f-df1d3a213dc2/bin/uautomizer/data/781aacbca/5eb8283e9d4a4164ababc74ec2bd673a/FLAGff1f6565a [2019-12-07 15:32:54,792 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:32:54,792 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3b81bf3f-fd3d-4c81-b34f-df1d3a213dc2/sv-benchmarks/c/floats-cdfpl/newton_3_8.i [2019-12-07 15:32:54,796 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3b81bf3f-fd3d-4c81-b34f-df1d3a213dc2/bin/uautomizer/data/781aacbca/5eb8283e9d4a4164ababc74ec2bd673a/FLAGff1f6565a [2019-12-07 15:32:54,804 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3b81bf3f-fd3d-4c81-b34f-df1d3a213dc2/bin/uautomizer/data/781aacbca/5eb8283e9d4a4164ababc74ec2bd673a [2019-12-07 15:32:54,806 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:32:54,807 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:32:54,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:32:54,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:32:54,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:32:54,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:32:54" (1/1) ... [2019-12-07 15:32:54,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@415fd40c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:32:54, skipping insertion in model container [2019-12-07 15:32:54,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:32:54" (1/1) ... [2019-12-07 15:32:54,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:32:54,828 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:32:54,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:32:54,935 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:32:54,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:32:54,959 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:32:54,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:32:54 WrapperNode [2019-12-07 15:32:54,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:32:54,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:32:54,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:32:54,960 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:32:55,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:32:54" (1/1) ... [2019-12-07 15:32:55,013 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:32:54" (1/1) ... [2019-12-07 15:32:55,029 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:32:55,030 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:32:55,030 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:32:55,030 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:32:55,037 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:32:54" (1/1) ... [2019-12-07 15:32:55,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:32:54" (1/1) ... [2019-12-07 15:32:55,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:32:54" (1/1) ... [2019-12-07 15:32:55,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:32:54" (1/1) ... [2019-12-07 15:32:55,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:32:54" (1/1) ... [2019-12-07 15:32:55,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:32:54" (1/1) ... [2019-12-07 15:32:55,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:32:54" (1/1) ... [2019-12-07 15:32:55,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:32:55,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:32:55,053 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:32:55,053 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:32:55,054 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:32:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b81bf3f-fd3d-4c81-b34f-df1d3a213dc2/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:32:55,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:32:55,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:33:12,145 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:33:12,146 INFO L287 CfgBuilder]: Removed 16 assume(true) statements. [2019-12-07 15:33:12,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:33:12 BoogieIcfgContainer [2019-12-07 15:33:12,147 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:33:12,147 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 15:33:12,147 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 15:33:12,149 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 15:33:12,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 03:32:54" (1/3) ... [2019-12-07 15:33:12,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45b6a065 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:33:12, skipping insertion in model container [2019-12-07 15:33:12,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:32:54" (2/3) ... [2019-12-07 15:33:12,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45b6a065 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:33:12, skipping insertion in model container [2019-12-07 15:33:12,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:33:12" (3/3) ... [2019-12-07 15:33:12,151 INFO L109 eAbstractionObserver]: Analyzing ICFG newton_3_8.i [2019-12-07 15:33:12,157 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 15:33:12,162 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 15:33:12,169 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 15:33:12,184 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 15:33:12,184 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 15:33:12,184 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 15:33:12,184 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:33:12,184 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:33:12,185 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 15:33:12,185 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:33:12,185 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 15:33:12,194 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2019-12-07 15:33:12,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 15:33:12,197 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:33:12,198 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:33:12,198 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:33:12,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:33:12,202 INFO L82 PathProgramCache]: Analyzing trace with hash -1466891542, now seen corresponding path program 1 times [2019-12-07 15:33:12,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 15:33:12,210 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1359864438] [2019-12-07 15:33:12,210 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b81bf3f-fd3d-4c81-b34f-df1d3a213dc2/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 15:33:20,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:33:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:33:59,891 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 15:33:59,891 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 15:34:00,093 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 15:34:00,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 03:34:00 BoogieIcfgContainer [2019-12-07 15:34:00,121 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 15:34:00,122 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:34:00,122 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:34:00,122 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:34:00,122 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:33:12" (3/4) ... [2019-12-07 15:34:00,123 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 15:34:00,152 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3b81bf3f-fd3d-4c81-b34f-df1d3a213dc2/bin/uautomizer/witness.graphml [2019-12-07 15:34:00,152 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:34:00,153 INFO L168 Benchmark]: Toolchain (without parser) took 65345.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -139.3 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:34:00,153 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:34:00,154 INFO L168 Benchmark]: CACSL2BoogieTranslator took 152.05 ms. Allocated memory is still 1.0 GB. Free memory was 952.4 MB in the beginning and 941.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 15:34:00,154 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -203.3 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2019-12-07 15:34:00,154 INFO L168 Benchmark]: Boogie Preprocessor took 22.73 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. [2019-12-07 15:34:00,155 INFO L168 Benchmark]: RCFGBuilder took 17093.94 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: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2019-12-07 15:34:00,155 INFO L168 Benchmark]: TraceAbstraction took 47974.21 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: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-12-07 15:34:00,156 INFO L168 Benchmark]: Witness Printer took 30.26 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. [2019-12-07 15:34:00,157 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 152.05 ms. Allocated memory is still 1.0 GB. Free memory was 952.4 MB in the beginning and 941.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 69.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -203.3 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 17093.94 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: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 47974.21 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: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Witness Printer took 30.26 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(); [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L19] float x = IN - f(IN)/fp(IN); [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L21] x = x - f(x)/fp(x) [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L23] x = x - f(x)/fp(x) [L27] COND TRUE !(x < 0.1) [L28] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 15 locations, 1 error locations. Result: UNSAFE, OverallTime: 47.9s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 8.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...