./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/sine_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3c40734d-977e-4316-b162-c293bf319fc8/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3c40734d-977e-4316-b162-c293bf319fc8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3c40734d-977e-4316-b162-c293bf319fc8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3c40734d-977e-4316-b162-c293bf319fc8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3c40734d-977e-4316-b162-c293bf319fc8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3c40734d-977e-4316-b162-c293bf319fc8/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 4402e33c41c1296b5e4b682ed26fe5ca3b275006 ....................................................................................................................................................................................................................... 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_3c40734d-977e-4316-b162-c293bf319fc8/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3c40734d-977e-4316-b162-c293bf319fc8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3c40734d-977e-4316-b162-c293bf319fc8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3c40734d-977e-4316-b162-c293bf319fc8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3c40734d-977e-4316-b162-c293bf319fc8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3c40734d-977e-4316-b162-c293bf319fc8/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 4402e33c41c1296b5e4b682ed26fe5ca3b275006 ............................................................................................................................................................................................................................. 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 0.1.24-678e011 [2019-11-19 23:22:14,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:22:14,307 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:22:14,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:22:14,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:22:14,327 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:22:14,329 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:22:14,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:22:14,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:22:14,348 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:22:14,350 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:22:14,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:22:14,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:22:14,352 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:22:14,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:22:14,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:22:14,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:22:14,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:22:14,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:22:14,360 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:22:14,367 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:22:14,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:22:14,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:22:14,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:22:14,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:22:14,378 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:22:14,378 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:22:14,381 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:22:14,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:22:14,383 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:22:14,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:22:14,384 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:22:14,384 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:22:14,385 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:22:14,386 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:22:14,387 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:22:14,387 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:22:14,387 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:22:14,388 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:22:14,389 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:22:14,391 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:22:14,391 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3c40734d-977e-4316-b162-c293bf319fc8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 23:22:14,423 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:22:14,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:22:14,424 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:22:14,425 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:22:14,425 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 23:22:14,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:22:14,425 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 23:22:14,426 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 23:22:14,426 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 23:22:14,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:22:14,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 23:22:14,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 23:22:14,427 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 23:22:14,427 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 23:22:14,427 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:22:14,427 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:22:14,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 23:22:14,428 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:22:14,428 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 23:22:14,428 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 23:22:14,428 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 23:22:14,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 23:22:14,429 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:22:14,429 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 23:22:14,429 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 23:22:14,430 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 23:22:14,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 23:22:14,430 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 23:22:14,430 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_3c40734d-977e-4316-b162-c293bf319fc8/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 -> 4402e33c41c1296b5e4b682ed26fe5ca3b275006 [2019-11-19 23:22:14,644 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:22:14,662 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:22:14,666 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:22:14,668 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:22:14,668 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:22:14,670 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3c40734d-977e-4316-b162-c293bf319fc8/bin/uautomizer/../../sv-benchmarks/c/floats-cdfpl/sine_1.i [2019-11-19 23:22:14,748 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3c40734d-977e-4316-b162-c293bf319fc8/bin/uautomizer/data/851644802/6534c14d80f54e27b6a20906c22dff7f/FLAG0fc1b4f0a [2019-11-19 23:22:15,256 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:22:15,256 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3c40734d-977e-4316-b162-c293bf319fc8/sv-benchmarks/c/floats-cdfpl/sine_1.i [2019-11-19 23:22:15,263 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3c40734d-977e-4316-b162-c293bf319fc8/bin/uautomizer/data/851644802/6534c14d80f54e27b6a20906c22dff7f/FLAG0fc1b4f0a [2019-11-19 23:22:15,600 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3c40734d-977e-4316-b162-c293bf319fc8/bin/uautomizer/data/851644802/6534c14d80f54e27b6a20906c22dff7f [2019-11-19 23:22:15,605 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:22:15,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:22:15,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:22:15,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:22:15,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:22:15,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:22:15" (1/1) ... [2019-11-19 23:22:15,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@247d9f4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:22:15, skipping insertion in model container [2019-11-19 23:22:15,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:22:15" (1/1) ... [2019-11-19 23:22:15,625 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:22:15,644 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:22:15,883 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:22:15,891 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:22:16,046 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:22:16,062 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:22:16,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:22:16 WrapperNode [2019-11-19 23:22:16,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:22:16,063 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:22:16,063 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:22:16,064 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:22:16,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:22:16" (1/1) ... [2019-11-19 23:22:16,081 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:22:16" (1/1) ... [2019-11-19 23:22:16,102 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:22:16,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:22:16,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:22:16,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:22:16,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:22:16" (1/1) ... [2019-11-19 23:22:16,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:22:16" (1/1) ... [2019-11-19 23:22:16,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:22:16" (1/1) ... [2019-11-19 23:22:16,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:22:16" (1/1) ... [2019-11-19 23:22:16,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:22:16" (1/1) ... [2019-11-19 23:22:16,128 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:22:16" (1/1) ... [2019-11-19 23:22:16,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:22:16" (1/1) ... [2019-11-19 23:22:16,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:22:16,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:22:16,136 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:22:16,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:22:16,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:22:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c40734d-977e-4316-b162-c293bf319fc8/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 23:22:16,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:22:16,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:22:16,375 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:22:16,375 INFO L285 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-19 23:22:16,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:22:16 BoogieIcfgContainer [2019-11-19 23:22:16,376 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:22:16,377 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 23:22:16,378 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 23:22:16,381 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 23:22:16,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 11:22:15" (1/3) ... [2019-11-19 23:22:16,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@116edf41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:22:16, skipping insertion in model container [2019-11-19 23:22:16,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:22:16" (2/3) ... [2019-11-19 23:22:16,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@116edf41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:22:16, skipping insertion in model container [2019-11-19 23:22:16,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:22:16" (3/3) ... [2019-11-19 23:22:16,385 INFO L109 eAbstractionObserver]: Analyzing ICFG sine_1.i [2019-11-19 23:22:16,396 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 23:22:16,403 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 23:22:16,416 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 23:22:16,441 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 23:22:16,441 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 23:22:16,441 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 23:22:16,441 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 23:22:16,442 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 23:22:16,442 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 23:22:16,442 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 23:22:16,443 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 23:22:16,468 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-11-19 23:22:16,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-19 23:22:16,475 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:22:16,476 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-19 23:22:16,476 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:22:16,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:22:16,483 INFO L82 PathProgramCache]: Analyzing trace with hash 30881, now seen corresponding path program 1 times [2019-11-19 23:22:16,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:22:16,493 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598021771] [2019-11-19 23:22:16,493 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:22:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:22:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:22:16,609 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:22:16,610 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-19 23:22:16,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 11:22:16 BoogieIcfgContainer [2019-11-19 23:22:16,627 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 23:22:16,627 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 23:22:16,627 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 23:22:16,628 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 23:22:16,628 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:22:16" (3/4) ... [2019-11-19 23:22:16,632 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 23:22:16,632 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 23:22:16,635 INFO L168 Benchmark]: Toolchain (without parser) took 1027.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -160.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:22:16,636 INFO L168 Benchmark]: CDTParser took 0.74 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:22:16,637 INFO L168 Benchmark]: CACSL2BoogieTranslator took 452.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -190.0 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-19 23:22:16,638 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.31 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. [2019-11-19 23:22:16,638 INFO L168 Benchmark]: Boogie Preprocessor took 31.69 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. [2019-11-19 23:22:16,639 INFO L168 Benchmark]: RCFGBuilder took 240.58 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: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2019-11-19 23:22:16,640 INFO L168 Benchmark]: TraceAbstraction took 249.39 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: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2019-11-19 23:22:16,640 INFO L168 Benchmark]: Witness Printer took 5.26 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. [2019-11-19 23:22:16,648 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 452.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -190.0 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.31 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. * Boogie Preprocessor took 31.69 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 240.58 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: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 249.39 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: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * Witness Printer took 5.26 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: - UnprovableResult [Line: 14]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 7, overapproximation of someBinaryDOUBLEComparisonOperation at line 13, overapproximation of someBinaryArithmeticFLOAToperation at line 11. Possible FailurePath: [L6] float IN = __VERIFIER_nondet_float(); [L9] float x = IN; [L11] float result = x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L13] COND TRUE !(result <= 0.99 && result >= -0.99) [L14] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 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=8occurred 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, 3 NumberOfCodeBlocks, 3 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 0.1.24-678e011 [2019-11-19 23:22:18,876 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:22:18,879 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:22:18,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:22:18,893 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:22:18,894 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:22:18,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:22:18,898 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:22:18,900 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:22:18,902 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:22:18,903 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:22:18,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:22:18,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:22:18,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:22:18,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:22:18,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:22:18,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:22:18,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:22:18,913 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:22:18,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:22:18,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:22:18,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:22:18,920 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:22:18,921 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:22:18,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:22:18,925 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:22:18,926 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:22:18,927 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:22:18,927 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:22:18,929 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:22:18,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:22:18,930 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:22:18,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:22:18,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:22:18,933 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:22:18,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:22:18,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:22:18,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:22:18,935 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:22:18,936 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:22:18,937 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:22:18,937 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3c40734d-977e-4316-b162-c293bf319fc8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-19 23:22:18,962 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:22:18,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:22:18,965 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:22:18,965 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:22:18,966 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 23:22:18,966 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:22:18,966 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 23:22:18,967 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 23:22:18,967 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:22:18,967 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 23:22:18,968 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 23:22:18,969 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 23:22:18,969 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-19 23:22:18,969 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-19 23:22:18,969 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 23:22:18,970 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:22:18,970 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:22:18,971 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 23:22:18,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:22:18,971 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 23:22:18,972 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 23:22:18,972 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 23:22:18,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 23:22:18,973 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:22:18,973 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 23:22:18,974 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 23:22:18,974 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-19 23:22:18,974 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-19 23:22:18,975 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 23:22:18,975 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-19 23:22:18,975 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_3c40734d-977e-4316-b162-c293bf319fc8/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 -> 4402e33c41c1296b5e4b682ed26fe5ca3b275006 [2019-11-19 23:22:19,391 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:22:19,410 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:22:19,413 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:22:19,415 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:22:19,415 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:22:19,416 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3c40734d-977e-4316-b162-c293bf319fc8/bin/uautomizer/../../sv-benchmarks/c/floats-cdfpl/sine_1.i [2019-11-19 23:22:19,473 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3c40734d-977e-4316-b162-c293bf319fc8/bin/uautomizer/data/9b53427d5/25d8d1158b7b4538af87d23197127626/FLAG23698c89f [2019-11-19 23:22:19,910 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:22:19,910 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3c40734d-977e-4316-b162-c293bf319fc8/sv-benchmarks/c/floats-cdfpl/sine_1.i [2019-11-19 23:22:19,917 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3c40734d-977e-4316-b162-c293bf319fc8/bin/uautomizer/data/9b53427d5/25d8d1158b7b4538af87d23197127626/FLAG23698c89f [2019-11-19 23:22:20,266 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3c40734d-977e-4316-b162-c293bf319fc8/bin/uautomizer/data/9b53427d5/25d8d1158b7b4538af87d23197127626 [2019-11-19 23:22:20,269 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:22:20,271 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:22:20,274 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:22:20,274 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:22:20,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:22:20,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:22:20" (1/1) ... [2019-11-19 23:22:20,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47428a11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:22:20, skipping insertion in model container [2019-11-19 23:22:20,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:22:20" (1/1) ... [2019-11-19 23:22:20,291 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:22:20,309 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:22:20,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:22:20,533 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:22:20,554 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:22:20,570 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:22:20,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:22:20 WrapperNode [2019-11-19 23:22:20,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:22:20,572 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:22:20,572 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:22:20,572 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:22:20,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:22:20" (1/1) ... [2019-11-19 23:22:20,593 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:22:20" (1/1) ... [2019-11-19 23:22:20,689 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:22:20,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:22:20,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:22:20,689 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:22:20,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:22:20" (1/1) ... [2019-11-19 23:22:20,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:22:20" (1/1) ... [2019-11-19 23:22:20,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:22:20" (1/1) ... [2019-11-19 23:22:20,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:22:20" (1/1) ... [2019-11-19 23:22:20,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:22:20" (1/1) ... [2019-11-19 23:22:20,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:22:20" (1/1) ... [2019-11-19 23:22:20,731 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:22:20" (1/1) ... [2019-11-19 23:22:20,733 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:22:20,734 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:22:20,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:22:20,734 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:22:20,735 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:22:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c40734d-977e-4316-b162-c293bf319fc8/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 23:22:20,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:22:20,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:22:23,726 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:22:23,727 INFO L285 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-19 23:22:23,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:22:23 BoogieIcfgContainer [2019-11-19 23:22:23,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:22:23,729 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 23:22:23,729 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 23:22:23,731 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 23:22:23,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 11:22:20" (1/3) ... [2019-11-19 23:22:23,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a5b4842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:22:23, skipping insertion in model container [2019-11-19 23:22:23,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:22:20" (2/3) ... [2019-11-19 23:22:23,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a5b4842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:22:23, skipping insertion in model container [2019-11-19 23:22:23,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:22:23" (3/3) ... [2019-11-19 23:22:23,734 INFO L109 eAbstractionObserver]: Analyzing ICFG sine_1.i [2019-11-19 23:22:23,743 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 23:22:23,748 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 23:22:23,758 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 23:22:23,784 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 23:22:23,784 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 23:22:23,784 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 23:22:23,784 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 23:22:23,785 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 23:22:23,786 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 23:22:23,786 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 23:22:23,787 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 23:22:23,804 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-11-19 23:22:23,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-19 23:22:23,811 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:22:23,812 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-19 23:22:23,812 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:22:23,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:22:23,820 INFO L82 PathProgramCache]: Analyzing trace with hash 30881, now seen corresponding path program 1 times [2019-11-19 23:22:23,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 23:22:23,830 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1925395188] [2019-11-19 23:22:23,830 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c40734d-977e-4316-b162-c293bf319fc8/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-19 23:30:57,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:31:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:31:00,079 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-19 23:31:00,080 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-19 23:31:00,281 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-19 23:31:00,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 11:31:00 BoogieIcfgContainer [2019-11-19 23:31:00,300 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 23:31:00,300 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 23:31:00,300 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 23:31:00,301 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 23:31:00,301 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:22:23" (3/4) ... [2019-11-19 23:31:00,304 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-19 23:31:00,340 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3c40734d-977e-4316-b162-c293bf319fc8/bin/uautomizer/witness.graphml [2019-11-19 23:31:00,340 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 23:31:00,342 INFO L168 Benchmark]: Toolchain (without parser) took 520071.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -125.0 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. [2019-11-19 23:31:00,343 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:31:00,344 INFO L168 Benchmark]: CACSL2BoogieTranslator took 297.43 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-19 23:31:00,344 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -183.4 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2019-11-19 23:31:00,345 INFO L168 Benchmark]: Boogie Preprocessor took 44.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-19 23:31:00,347 INFO L168 Benchmark]: RCFGBuilder took 2993.64 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-11-19 23:31:00,348 INFO L168 Benchmark]: TraceAbstraction took 516571.18 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2019-11-19 23:31:00,349 INFO L168 Benchmark]: Witness Printer took 40.06 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. [2019-11-19 23:31:00,353 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 297.43 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.7 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 117.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -183.4 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2993.64 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 516571.18 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Witness Printer took 40.06 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: 14]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L6] float IN = __VERIFIER_nondet_float(); [L9] float x = IN; [L11] float result = x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L13] COND TRUE !(result <= 0.99 && result >= -0.99) [L14] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Result: UNSAFE, OverallTime: 516.5s, 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=8occurred 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, 513.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 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...