./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0270a.c --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_90fcd938-533a-439a-8e54-25b63ef112a3/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_90fcd938-533a-439a-8e54-25b63ef112a3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_90fcd938-533a-439a-8e54-25b63ef112a3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_90fcd938-533a-439a-8e54-25b63ef112a3/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0270a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_90fcd938-533a-439a-8e54-25b63ef112a3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_90fcd938-533a-439a-8e54-25b63ef112a3/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 dbf0066fcab2564f09db3071e2285821ebfe13e2 ............................................................................................................................................................................................................................................................................................................. 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_90fcd938-533a-439a-8e54-25b63ef112a3/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_90fcd938-533a-439a-8e54-25b63ef112a3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_90fcd938-533a-439a-8e54-25b63ef112a3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_90fcd938-533a-439a-8e54-25b63ef112a3/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0270a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_90fcd938-533a-439a-8e54-25b63ef112a3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_90fcd938-533a-439a-8e54-25b63ef112a3/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 dbf0066fcab2564f09db3071e2285821ebfe13e2 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 15:34:37,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:34:37,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:34:37,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:34:37,552 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:34:37,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:34:37,554 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:34:37,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:34:37,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:34:37,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:34:37,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:34:37,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:34:37,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:34:37,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:34:37,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:34:37,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:34:37,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:34:37,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:34:37,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:34:37,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:34:37,566 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:34:37,567 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:34:37,568 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:34:37,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:34:37,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:34:37,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:34:37,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:34:37,571 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:34:37,571 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:34:37,572 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:34:37,572 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:34:37,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:34:37,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:34:37,573 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:34:37,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:34:37,574 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:34:37,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:34:37,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:34:37,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:34:37,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:34:37,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:34:37,576 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_90fcd938-533a-439a-8e54-25b63ef112a3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 15:34:37,585 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:34:37,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:34:37,586 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 15:34:37,586 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 15:34:37,587 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 15:34:37,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:34:37,587 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:34:37,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:34:37,587 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:34:37,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:34:37,587 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 15:34:37,587 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:34:37,587 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 15:34:37,588 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:34:37,588 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:34:37,588 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:34:37,588 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 15:34:37,588 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:34:37,588 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:34:37,588 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:34:37,588 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:34:37,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:34:37,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:34:37,589 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:34:37,589 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 15:34:37,589 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 15:34:37,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 15:34:37,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 15:34:37,589 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:34:37,590 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_90fcd938-533a-439a-8e54-25b63ef112a3/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 -> dbf0066fcab2564f09db3071e2285821ebfe13e2 [2019-12-07 15:34:37,694 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:34:37,705 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:34:37,708 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:34:37,709 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:34:37,709 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:34:37,710 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_90fcd938-533a-439a-8e54-25b63ef112a3/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0270a.c [2019-12-07 15:34:37,754 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_90fcd938-533a-439a-8e54-25b63ef112a3/bin/uautomizer/data/441f822db/c163269a3b1841369e02e871dfa0445d/FLAG2c34b8e5c [2019-12-07 15:34:38,225 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:34:38,226 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_90fcd938-533a-439a-8e54-25b63ef112a3/sv-benchmarks/c/float-newlib/double_req_bl_0270a.c [2019-12-07 15:34:38,231 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_90fcd938-533a-439a-8e54-25b63ef112a3/bin/uautomizer/data/441f822db/c163269a3b1841369e02e871dfa0445d/FLAG2c34b8e5c [2019-12-07 15:34:38,240 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_90fcd938-533a-439a-8e54-25b63ef112a3/bin/uautomizer/data/441f822db/c163269a3b1841369e02e871dfa0445d [2019-12-07 15:34:38,242 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:34:38,243 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:34:38,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:34:38,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:34:38,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:34:38,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:34:38" (1/1) ... [2019-12-07 15:34:38,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d78df6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:38, skipping insertion in model container [2019-12-07 15:34:38,248 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:34:38" (1/1) ... [2019-12-07 15:34:38,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:34:38,270 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:34:38,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:34:38,441 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:34:38,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:34:38,491 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:34:38,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:38 WrapperNode [2019-12-07 15:34:38,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:34:38,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:34:38,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:34:38,492 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:34:38,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:38" (1/1) ... [2019-12-07 15:34:38,506 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:38" (1/1) ... [2019-12-07 15:34:38,528 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:34:38,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:34:38,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:34:38,528 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:34:38,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:38" (1/1) ... [2019-12-07 15:34:38,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:38" (1/1) ... [2019-12-07 15:34:38,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:38" (1/1) ... [2019-12-07 15:34:38,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:38" (1/1) ... [2019-12-07 15:34:38,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:38" (1/1) ... [2019-12-07 15:34:38,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:38" (1/1) ... [2019-12-07 15:34:38,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:38" (1/1) ... [2019-12-07 15:34:38,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:34:38,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:34:38,558 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:34:38,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:34:38,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_90fcd938-533a-439a-8e54-25b63ef112a3/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 15:34:38,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 15:34:38,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 15:34:38,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 15:34:38,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 15:34:38,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:34:38,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:34:38,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 15:34:38,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 15:34:38,902 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:34:38,902 INFO L287 CfgBuilder]: Removed 28 assume(true) statements. [2019-12-07 15:34:38,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:34:38 BoogieIcfgContainer [2019-12-07 15:34:38,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:34:38,904 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 15:34:38,904 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 15:34:38,906 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 15:34:38,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 03:34:38" (1/3) ... [2019-12-07 15:34:38,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65a8f2cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:34:38, skipping insertion in model container [2019-12-07 15:34:38,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:38" (2/3) ... [2019-12-07 15:34:38,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65a8f2cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:34:38, skipping insertion in model container [2019-12-07 15:34:38,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:34:38" (3/3) ... [2019-12-07 15:34:38,908 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0270a.c [2019-12-07 15:34:38,914 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 15:34:38,919 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 15:34:38,926 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 15:34:38,942 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 15:34:38,943 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 15:34:38,943 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 15:34:38,943 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:34:38,943 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:34:38,943 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 15:34:38,943 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:34:38,943 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 15:34:38,954 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2019-12-07 15:34:38,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 15:34:38,958 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:34:38,958 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:34:38,959 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:34:38,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:34:38,962 INFO L82 PathProgramCache]: Analyzing trace with hash 1035834224, now seen corresponding path program 1 times [2019-12-07 15:34:38,968 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:34:38,968 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452701291] [2019-12-07 15:34:38,968 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:34:39,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:34:39,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:34:39,050 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452701291] [2019-12-07 15:34:39,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:34:39,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:34:39,051 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145093234] [2019-12-07 15:34:39,054 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 15:34:39,054 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:34:39,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 15:34:39,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 15:34:39,064 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2019-12-07 15:34:39,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:34:39,081 INFO L93 Difference]: Finished difference Result 140 states and 230 transitions. [2019-12-07 15:34:39,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 15:34:39,081 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 15:34:39,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:34:39,089 INFO L225 Difference]: With dead ends: 140 [2019-12-07 15:34:39,089 INFO L226 Difference]: Without dead ends: 68 [2019-12-07 15:34:39,091 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 15:34:39,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-12-07 15:34:39,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2019-12-07 15:34:39,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-12-07 15:34:39,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 94 transitions. [2019-12-07 15:34:39,116 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 94 transitions. Word has length 10 [2019-12-07 15:34:39,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:34:39,117 INFO L462 AbstractCegarLoop]: Abstraction has 68 states and 94 transitions. [2019-12-07 15:34:39,117 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 15:34:39,117 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2019-12-07 15:34:39,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 15:34:39,117 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:34:39,117 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:34:39,118 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:34:39,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:34:39,118 INFO L82 PathProgramCache]: Analyzing trace with hash -744853926, now seen corresponding path program 1 times [2019-12-07 15:34:39,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:34:39,118 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009452686] [2019-12-07 15:34:39,118 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:34:39,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:34:39,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:34:39,172 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:34:39,172 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 15:34:39,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 03:34:39 BoogieIcfgContainer [2019-12-07 15:34:39,196 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 15:34:39,196 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:34:39,196 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:34:39,196 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:34:39,197 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:34:38" (3/4) ... [2019-12-07 15:34:39,199 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 15:34:39,199 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:34:39,200 INFO L168 Benchmark]: Toolchain (without parser) took 957.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.1 MB). Free memory was 939.3 MB in the beginning and 993.3 MB in the end (delta: -54.0 MB). Peak memory consumption was 34.1 MB. Max. memory is 11.5 GB. [2019-12-07 15:34:39,201 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:34:39,201 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.1 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -138.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 15:34:39,202 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.39 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 15:34:39,202 INFO L168 Benchmark]: Boogie Preprocessor took 29.95 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 15:34:39,202 INFO L168 Benchmark]: RCFGBuilder took 345.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. [2019-12-07 15:34:39,203 INFO L168 Benchmark]: TraceAbstraction took 291.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 993.3 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. [2019-12-07 15:34:39,203 INFO L168 Benchmark]: Witness Printer took 2.81 ms. Allocated memory is still 1.1 GB. Free memory is still 993.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:34:39,205 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 247.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.1 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -138.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.39 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 29.95 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 345.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 291.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 993.3 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.81 ms. Allocated memory is still 1.1 GB. Free memory is still 993.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 240]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 148, overapproximation of bitwiseAnd at line 166, overapproximation of someBinaryArithmeticDOUBLEoperation at line 183, overapproximation of someBinaryDOUBLEComparisonOperation at line 239. Possible FailurePath: [L16] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L142-L156] static const double one_asin = 1.00000000000000000000e+00, huge_asin = 1.000e+300, pio2_hi_asin = 1.57079632679489655800e+00, pio2_lo_asin = 6.12323399573676603587e-17, pio4_hi_asin = 7.85398163397448278999e-01, pS0_asin = 1.66666666666666657415e-01, pS1_asin = -3.25565818622400915405e-01, pS2_asin = 2.01212532134862925881e-01, pS3_asin = -4.00555345006794114027e-02, pS4_asin = 7.91534994289814532176e-04, pS5_asin = 3.47933107596021167570e-05, qS1_asin = -2.40339491173441421878e+00, qS2_asin = 2.02094576023350569471e+00, qS3_asin = -6.88283971605453293030e-01, qS4_asin = 7.70381505559019352791e-02; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L235] double x = 0.0; [L159] double t, w, p, q, c, r, s; [L160] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L162] ieee_double_shape_type gh_u; [L163] gh_u.value = (x) [L164] EXPR gh_u.parts.msw [L164] (hx) = gh_u.parts.msw [L166] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L167] COND FALSE !(ix >= 0x3ff00000) VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L178] COND TRUE ix < 0x3fe00000 VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L179] COND FALSE !(ix < 0x3e400000) [L183] t = x * x [L184-L187] p = t * (pS0_asin + t * (pS1_asin + t * (pS2_asin + t * (pS3_asin + t * (pS4_asin + t * pS5_asin))))) [L188-L189] q = one_asin + t * (qS1_asin + t * (qS2_asin + t * (qS3_asin + t * qS4_asin))) [L190] w = p / q [L191] return x + x * w; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L236] double res = __ieee754_asin(x); [L239] COND TRUE res != x VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L240] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 97 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 15:34:40,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:34:40,530 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:34:40,538 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:34:40,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:34:40,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:34:40,540 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:34:40,542 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:34:40,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:34:40,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:34:40,544 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:34:40,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:34:40,545 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:34:40,546 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:34:40,547 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:34:40,547 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:34:40,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:34:40,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:34:40,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:34:40,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:34:40,553 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:34:40,553 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:34:40,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:34:40,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:34:40,557 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:34:40,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:34:40,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:34:40,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:34:40,558 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:34:40,559 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:34:40,559 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:34:40,559 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:34:40,560 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:34:40,560 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:34:40,561 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:34:40,561 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:34:40,561 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:34:40,562 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:34:40,562 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:34:40,563 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:34:40,563 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:34:40,563 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_90fcd938-533a-439a-8e54-25b63ef112a3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 15:34:40,573 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:34:40,574 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:34:40,575 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 15:34:40,575 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 15:34:40,575 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 15:34:40,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:34:40,575 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:34:40,576 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:34:40,576 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:34:40,576 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 15:34:40,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:34:40,576 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 15:34:40,577 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 15:34:40,577 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 15:34:40,577 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:34:40,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:34:40,577 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:34:40,577 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 15:34:40,578 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:34:40,578 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:34:40,578 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:34:40,578 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:34:40,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:34:40,579 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:34:40,579 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:34:40,579 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 15:34:40,579 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 15:34:40,579 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 15:34:40,580 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 15:34:40,580 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:34:40,580 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 15:34:40,580 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_90fcd938-533a-439a-8e54-25b63ef112a3/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 -> dbf0066fcab2564f09db3071e2285821ebfe13e2 [2019-12-07 15:34:40,747 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:34:40,755 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:34:40,757 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:34:40,758 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:34:40,758 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:34:40,759 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_90fcd938-533a-439a-8e54-25b63ef112a3/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0270a.c [2019-12-07 15:34:40,795 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_90fcd938-533a-439a-8e54-25b63ef112a3/bin/uautomizer/data/76d8a944a/f40f445c5f2649c7ad69eeccec3e4519/FLAG9d397db56 [2019-12-07 15:34:41,155 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:34:41,156 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_90fcd938-533a-439a-8e54-25b63ef112a3/sv-benchmarks/c/float-newlib/double_req_bl_0270a.c [2019-12-07 15:34:41,161 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_90fcd938-533a-439a-8e54-25b63ef112a3/bin/uautomizer/data/76d8a944a/f40f445c5f2649c7ad69eeccec3e4519/FLAG9d397db56 [2019-12-07 15:34:41,550 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_90fcd938-533a-439a-8e54-25b63ef112a3/bin/uautomizer/data/76d8a944a/f40f445c5f2649c7ad69eeccec3e4519 [2019-12-07 15:34:41,552 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:34:41,553 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:34:41,554 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:34:41,554 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:34:41,556 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:34:41,557 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:34:41" (1/1) ... [2019-12-07 15:34:41,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@511b62b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:41, skipping insertion in model container [2019-12-07 15:34:41,559 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:34:41" (1/1) ... [2019-12-07 15:34:41,563 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:34:41,581 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:34:41,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:34:41,721 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:34:41,765 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:34:41,819 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:34:41,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:41 WrapperNode [2019-12-07 15:34:41,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:34:41,819 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:34:41,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:34:41,820 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:34:41,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:41" (1/1) ... [2019-12-07 15:34:41,835 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:41" (1/1) ... [2019-12-07 15:34:41,858 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:34:41,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:34:41,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:34:41,858 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:34:41,865 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:41" (1/1) ... [2019-12-07 15:34:41,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:41" (1/1) ... [2019-12-07 15:34:41,869 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:41" (1/1) ... [2019-12-07 15:34:41,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:41" (1/1) ... [2019-12-07 15:34:41,881 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:41" (1/1) ... [2019-12-07 15:34:41,886 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:41" (1/1) ... [2019-12-07 15:34:41,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:41" (1/1) ... [2019-12-07 15:34:41,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:34:41,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:34:41,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:34:41,893 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:34:41,893 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_90fcd938-533a-439a-8e54-25b63ef112a3/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 15:34:41,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 15:34:41,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 15:34:41,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 15:34:41,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 15:34:41,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:34:41,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:34:41,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 15:34:41,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 15:35:01,178 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:35:01,178 INFO L287 CfgBuilder]: Removed 28 assume(true) statements. [2019-12-07 15:35:01,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:35:01 BoogieIcfgContainer [2019-12-07 15:35:01,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:35:01,180 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 15:35:01,180 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 15:35:01,182 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 15:35:01,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 03:34:41" (1/3) ... [2019-12-07 15:35:01,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c0655e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:35:01, skipping insertion in model container [2019-12-07 15:35:01,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:34:41" (2/3) ... [2019-12-07 15:35:01,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c0655e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:35:01, skipping insertion in model container [2019-12-07 15:35:01,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:35:01" (3/3) ... [2019-12-07 15:35:01,184 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0270a.c [2019-12-07 15:35:01,190 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 15:35:01,194 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 15:35:01,201 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 15:35:01,219 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 15:35:01,219 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 15:35:01,219 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 15:35:01,219 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:35:01,219 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:35:01,219 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 15:35:01,219 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:35:01,219 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 15:35:01,231 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2019-12-07 15:35:01,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 15:35:01,235 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:35:01,236 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:35:01,236 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:35:01,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:35:01,240 INFO L82 PathProgramCache]: Analyzing trace with hash 1035834224, now seen corresponding path program 1 times [2019-12-07 15:35:01,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 15:35:01,247 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1478976677] [2019-12-07 15:35:01,248 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_90fcd938-533a-439a-8e54-25b63ef112a3/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 15:35:01,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:35:01,810 INFO L264 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 15:35:01,814 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:35:01,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:35:01,825 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:35:01,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:35:01,828 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1478976677] [2019-12-07 15:35:01,829 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:35:01,829 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 15:35:01,829 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481303715] [2019-12-07 15:35:01,832 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 15:35:01,833 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 15:35:01,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 15:35:01,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 15:35:01,844 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2019-12-07 15:35:01,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:35:01,861 INFO L93 Difference]: Finished difference Result 140 states and 230 transitions. [2019-12-07 15:35:01,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 15:35:01,861 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 15:35:01,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:35:01,869 INFO L225 Difference]: With dead ends: 140 [2019-12-07 15:35:01,869 INFO L226 Difference]: Without dead ends: 68 [2019-12-07 15:35:01,871 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 15:35:01,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-12-07 15:35:01,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2019-12-07 15:35:01,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-12-07 15:35:01,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 94 transitions. [2019-12-07 15:35:01,901 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 94 transitions. Word has length 10 [2019-12-07 15:35:01,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:35:01,901 INFO L462 AbstractCegarLoop]: Abstraction has 68 states and 94 transitions. [2019-12-07 15:35:01,901 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 15:35:01,901 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2019-12-07 15:35:01,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 15:35:01,902 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:35:01,902 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:35:02,103 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 15:35:02,103 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:35:02,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:35:02,104 INFO L82 PathProgramCache]: Analyzing trace with hash -744853926, now seen corresponding path program 1 times [2019-12-07 15:35:02,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 15:35:02,106 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1768003072] [2019-12-07 15:35:02,107 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_90fcd938-533a-439a-8e54-25b63ef112a3/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 15:35:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:35:06,055 INFO L264 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 15:35:06,057 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:35:06,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:35:06,134 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:35:06,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:35:06,192 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1768003072] [2019-12-07 15:35:06,192 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:35:06,192 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 15:35:06,193 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42040100] [2019-12-07 15:35:06,194 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 15:35:06,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 15:35:06,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 15:35:06,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 15:35:06,194 INFO L87 Difference]: Start difference. First operand 68 states and 94 transitions. Second operand 8 states. [2019-12-07 15:35:07,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:35:07,574 INFO L93 Difference]: Finished difference Result 124 states and 171 transitions. [2019-12-07 15:35:07,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 15:35:07,575 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2019-12-07 15:35:07,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:35:07,576 INFO L225 Difference]: With dead ends: 124 [2019-12-07 15:35:07,576 INFO L226 Difference]: Without dead ends: 65 [2019-12-07 15:35:07,577 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-12-07 15:35:07,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-12-07 15:35:07,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-12-07 15:35:07,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-12-07 15:35:07,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 85 transitions. [2019-12-07 15:35:07,586 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 85 transitions. Word has length 11 [2019-12-07 15:35:07,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:35:07,587 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 85 transitions. [2019-12-07 15:35:07,587 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 15:35:07,587 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 85 transitions. [2019-12-07 15:35:07,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 15:35:07,587 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:35:07,587 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:35:07,789 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 15:35:07,789 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:35:07,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:35:07,790 INFO L82 PathProgramCache]: Analyzing trace with hash -1629311917, now seen corresponding path program 1 times [2019-12-07 15:35:07,791 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 15:35:07,792 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1944619305] [2019-12-07 15:35:07,792 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_90fcd938-533a-439a-8e54-25b63ef112a3/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 15:35:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:35:08,009 INFO L264 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 15:35:08,010 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:35:08,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:35:08,061 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:35:08,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:35:08,108 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1944619305] [2019-12-07 15:35:08,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:35:08,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 15:35:08,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360468107] [2019-12-07 15:35:08,109 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 15:35:08,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 15:35:08,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 15:35:08,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 15:35:08,110 INFO L87 Difference]: Start difference. First operand 65 states and 85 transitions. Second operand 8 states. [2019-12-07 15:35:08,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:35:08,363 INFO L93 Difference]: Finished difference Result 69 states and 88 transitions. [2019-12-07 15:35:08,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 15:35:08,364 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2019-12-07 15:35:08,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:35:08,365 INFO L225 Difference]: With dead ends: 69 [2019-12-07 15:35:08,365 INFO L226 Difference]: Without dead ends: 65 [2019-12-07 15:35:08,365 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-12-07 15:35:08,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-12-07 15:35:08,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-12-07 15:35:08,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-12-07 15:35:08,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 84 transitions. [2019-12-07 15:35:08,371 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 84 transitions. Word has length 12 [2019-12-07 15:35:08,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:35:08,372 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 84 transitions. [2019-12-07 15:35:08,372 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 15:35:08,372 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2019-12-07 15:35:08,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-07 15:35:08,373 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:35:08,373 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:35:08,573 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 15:35:08,575 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:35:08,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:35:08,576 INFO L82 PathProgramCache]: Analyzing trace with hash -264969657, now seen corresponding path program 1 times [2019-12-07 15:35:08,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 15:35:08,578 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [991268878] [2019-12-07 15:35:08,578 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_90fcd938-533a-439a-8e54-25b63ef112a3/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 15:35:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:35:14,257 INFO L264 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 15:35:14,259 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:35:14,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:35:14,320 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:35:15,232 WARN L192 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2019-12-07 15:35:15,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:35:15,468 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [991268878] [2019-12-07 15:35:15,468 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:35:15,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-12-07 15:35:15,469 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305864607] [2019-12-07 15:35:15,469 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 15:35:15,469 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 15:35:15,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 15:35:15,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-07 15:35:15,470 INFO L87 Difference]: Start difference. First operand 65 states and 84 transitions. Second operand 6 states. [2019-12-07 15:35:15,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:35:15,696 INFO L93 Difference]: Finished difference Result 65 states and 84 transitions. [2019-12-07 15:35:15,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:35:15,697 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2019-12-07 15:35:15,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:35:15,697 INFO L225 Difference]: With dead ends: 65 [2019-12-07 15:35:15,697 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 15:35:15,698 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-07 15:35:15,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 15:35:15,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 15:35:15,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 15:35:15,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 15:35:15,699 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2019-12-07 15:35:15,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:35:15,699 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 15:35:15,699 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 15:35:15,699 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 15:35:15,699 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 15:35:15,899 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 15:35:15,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 15:35:16,072 INFO L246 CegarLoopResult]: For program point L85(lines 85 86) no Hoare annotation was computed. [2019-12-07 15:35:16,072 INFO L246 CegarLoopResult]: For program point L85-2(lines 85 86) no Hoare annotation was computed. [2019-12-07 15:35:16,072 INFO L246 CegarLoopResult]: For program point L69(lines 69 73) no Hoare annotation was computed. [2019-12-07 15:35:16,072 INFO L246 CegarLoopResult]: For program point L69-2(lines 69 73) no Hoare annotation was computed. [2019-12-07 15:35:16,072 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 15:35:16,072 INFO L246 CegarLoopResult]: For program point L169-1(lines 169 173) no Hoare annotation was computed. [2019-12-07 15:35:16,073 INFO L242 CegarLoopResult]: At program point L169-2(lines 169 173) the Hoare annotation is: false [2019-12-07 15:35:16,073 INFO L246 CegarLoopResult]: For program point L169-3(lines 167 178) no Hoare annotation was computed. [2019-12-07 15:35:16,073 INFO L246 CegarLoopResult]: For program point L37(lines 37 38) no Hoare annotation was computed. [2019-12-07 15:35:16,073 INFO L246 CegarLoopResult]: For program point L104(lines 104 109) no Hoare annotation was computed. [2019-12-07 15:35:16,073 INFO L246 CegarLoopResult]: For program point L88(lines 88 89) no Hoare annotation was computed. [2019-12-07 15:35:16,073 INFO L246 CegarLoopResult]: For program point L88-2(lines 88 89) no Hoare annotation was computed. [2019-12-07 15:35:16,073 INFO L246 CegarLoopResult]: For program point L204(lines 204 220) no Hoare annotation was computed. [2019-12-07 15:35:16,073 INFO L246 CegarLoopResult]: For program point L204-2(lines 158 225) no Hoare annotation was computed. [2019-12-07 15:35:16,073 INFO L246 CegarLoopResult]: For program point L105(lines 105 106) no Hoare annotation was computed. [2019-12-07 15:35:16,073 INFO L246 CegarLoopResult]: For program point L105-2(lines 105 106) no Hoare annotation was computed. [2019-12-07 15:35:16,073 INFO L246 CegarLoopResult]: For program point L56(lines 56 59) no Hoare annotation was computed. [2019-12-07 15:35:16,074 INFO L246 CegarLoopResult]: For program point L56-2(lines 56 59) no Hoare annotation was computed. [2019-12-07 15:35:16,074 INFO L242 CegarLoopResult]: At program point L139(lines 126 140) the Hoare annotation is: false [2019-12-07 15:35:16,074 INFO L242 CegarLoopResult]: At program point L123(lines 18 124) the Hoare annotation is: false [2019-12-07 15:35:16,074 INFO L246 CegarLoopResult]: For program point L24-1(lines 24 29) no Hoare annotation was computed. [2019-12-07 15:35:16,074 INFO L242 CegarLoopResult]: At program point L24-2(lines 24 29) the Hoare annotation is: false [2019-12-07 15:35:16,074 INFO L246 CegarLoopResult]: For program point L24-3(lines 18 124) no Hoare annotation was computed. [2019-12-07 15:35:16,074 INFO L246 CegarLoopResult]: For program point L239(lines 239 242) no Hoare annotation was computed. [2019-12-07 15:35:16,074 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 15:35:16,074 INFO L246 CegarLoopResult]: For program point L240(line 240) no Hoare annotation was computed. [2019-12-07 15:35:16,074 INFO L246 CegarLoopResult]: For program point L42(lines 42 53) no Hoare annotation was computed. [2019-12-07 15:35:16,074 INFO L246 CegarLoopResult]: For program point L42-2(lines 42 53) no Hoare annotation was computed. [2019-12-07 15:35:16,075 INFO L242 CegarLoopResult]: At program point L224(lines 158 225) the Hoare annotation is: (and (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (_ +zero 11 53)) (= ULTIMATE.start___ieee754_asin_~ix~0 (bvand (_ bv2147483647 32) ((_ extract 63 32) v_skolemized_v_prenex_1_3))))) (= (_ +zero 11 53) ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~x~0 |ULTIMATE.start___ieee754_asin_#res|) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start___ieee754_asin_~hx~0) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (_ +zero 11 53)))) (= ULTIMATE.start___ieee754_asin_~x (_ +zero 11 53))) [2019-12-07 15:35:16,075 INFO L242 CegarLoopResult]: At program point L43-2(lines 43 47) the Hoare annotation is: false [2019-12-07 15:35:16,075 INFO L246 CegarLoopResult]: For program point L43-3(lines 43 47) no Hoare annotation was computed. [2019-12-07 15:35:16,075 INFO L246 CegarLoopResult]: For program point L209-1(lines 209 214) no Hoare annotation was computed. [2019-12-07 15:35:16,075 INFO L242 CegarLoopResult]: At program point L209-2(lines 209 214) the Hoare annotation is: false [2019-12-07 15:35:16,075 INFO L246 CegarLoopResult]: For program point L209-3(lines 209 214) no Hoare annotation was computed. [2019-12-07 15:35:16,075 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 15:35:16,075 INFO L246 CegarLoopResult]: For program point L161-1(lines 161 165) no Hoare annotation was computed. [2019-12-07 15:35:16,075 INFO L242 CegarLoopResult]: At program point L161-2(lines 161 165) the Hoare annotation is: (and (= (_ +zero 11 53) ULTIMATE.start_main_~x~0) (= ((_ to_fp 11 53) currentRoundingMode 1.0) ~one_asin~0) (= ULTIMATE.start___ieee754_asin_~x (_ +zero 11 53)) (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_asin~0) (= currentRoundingMode roundNearestTiesToEven)) [2019-12-07 15:35:16,076 INFO L246 CegarLoopResult]: For program point L128-1(lines 128 132) no Hoare annotation was computed. [2019-12-07 15:35:16,076 INFO L246 CegarLoopResult]: For program point L161-3(lines 161 165) no Hoare annotation was computed. [2019-12-07 15:35:16,076 INFO L242 CegarLoopResult]: At program point L128-2(lines 128 132) the Hoare annotation is: false [2019-12-07 15:35:16,076 INFO L249 CegarLoopResult]: At program point L244(lines 227 245) the Hoare annotation is: true [2019-12-07 15:35:16,076 INFO L246 CegarLoopResult]: For program point L178(lines 178 193) no Hoare annotation was computed. [2019-12-07 15:35:16,076 INFO L246 CegarLoopResult]: For program point L178-1(lines 178 193) no Hoare annotation was computed. [2019-12-07 15:35:16,076 INFO L246 CegarLoopResult]: For program point L179(lines 179 192) no Hoare annotation was computed. [2019-12-07 15:35:16,076 INFO L242 CegarLoopResult]: At program point L80-2(lines 80 96) the Hoare annotation is: false [2019-12-07 15:35:16,076 INFO L246 CegarLoopResult]: For program point L80-3(lines 18 124) no Hoare annotation was computed. [2019-12-07 15:35:16,076 INFO L246 CegarLoopResult]: For program point L97(lines 97 111) no Hoare annotation was computed. [2019-12-07 15:35:16,076 INFO L246 CegarLoopResult]: For program point L180(lines 180 181) no Hoare annotation was computed. [2019-12-07 15:35:16,077 INFO L246 CegarLoopResult]: For program point L114(lines 114 115) no Hoare annotation was computed. [2019-12-07 15:35:16,077 INFO L246 CegarLoopResult]: For program point L114-2(lines 114 115) no Hoare annotation was computed. [2019-12-07 15:35:16,077 INFO L246 CegarLoopResult]: For program point L48-2(lines 48 49) no Hoare annotation was computed. [2019-12-07 15:35:16,077 INFO L242 CegarLoopResult]: At program point L48-3(lines 48 49) the Hoare annotation is: false [2019-12-07 15:35:16,077 INFO L246 CegarLoopResult]: For program point L48-4(lines 48 49) no Hoare annotation was computed. [2019-12-07 15:35:16,077 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 15:35:16,077 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 240) no Hoare annotation was computed. [2019-12-07 15:35:16,077 INFO L246 CegarLoopResult]: For program point L99(lines 99 110) no Hoare annotation was computed. [2019-12-07 15:35:16,077 INFO L246 CegarLoopResult]: For program point L83(lines 83 92) no Hoare annotation was computed. [2019-12-07 15:35:16,077 INFO L246 CegarLoopResult]: For program point L83-2(lines 83 92) no Hoare annotation was computed. [2019-12-07 15:35:16,077 INFO L246 CegarLoopResult]: For program point L133(lines 133 138) no Hoare annotation was computed. [2019-12-07 15:35:16,078 INFO L246 CegarLoopResult]: For program point L133-1(lines 126 140) no Hoare annotation was computed. [2019-12-07 15:35:16,078 INFO L246 CegarLoopResult]: For program point L133-2(lines 133 138) no Hoare annotation was computed. [2019-12-07 15:35:16,078 INFO L246 CegarLoopResult]: For program point L34(lines 34 39) no Hoare annotation was computed. [2019-12-07 15:35:16,078 INFO L242 CegarLoopResult]: At program point L67-2(lines 67 77) the Hoare annotation is: false [2019-12-07 15:35:16,078 INFO L246 CegarLoopResult]: For program point L34-2(lines 34 39) no Hoare annotation was computed. [2019-12-07 15:35:16,078 INFO L246 CegarLoopResult]: For program point L67-3(lines 67 77) no Hoare annotation was computed. [2019-12-07 15:35:16,078 INFO L246 CegarLoopResult]: For program point L117-1(lines 117 122) no Hoare annotation was computed. [2019-12-07 15:35:16,078 INFO L242 CegarLoopResult]: At program point L117-2(lines 117 122) the Hoare annotation is: false [2019-12-07 15:35:16,078 INFO L246 CegarLoopResult]: For program point L117-3(lines 117 122) no Hoare annotation was computed. [2019-12-07 15:35:16,078 INFO L246 CegarLoopResult]: For program point L167(lines 167 193) no Hoare annotation was computed. [2019-12-07 15:35:16,078 INFO L246 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2019-12-07 15:35:16,078 INFO L246 CegarLoopResult]: For program point L35(lines 35 38) no Hoare annotation was computed. [2019-12-07 15:35:16,087 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:35:16,088 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:35:16,088 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:35:16,089 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:35:16,090 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:35:16,090 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:35:16,090 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:35:16,090 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:35:16,092 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 15:35:16,092 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 15:35:16,092 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 15:35:16,092 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 15:35:16,092 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 15:35:16,092 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 15:35:16,092 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 15:35:16,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 15:35:16,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 15:35:16,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 15:35:16,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 15:35:16,094 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 15:35:16,094 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 15:35:16,094 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 15:35:16,094 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 15:35:16,094 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 15:35:16,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 03:35:16 BoogieIcfgContainer [2019-12-07 15:35:16,096 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 15:35:16,096 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:35:16,096 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:35:16,097 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:35:16,097 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:35:01" (3/4) ... [2019-12-07 15:35:16,100 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 15:35:16,110 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-12-07 15:35:16,110 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-12-07 15:35:16,110 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 15:35:16,129 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists v_skolemized_v_prenex_1_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) == ~Pluszero~LONGDOUBLE() && ix == ~bvand32(2147483647bv32, v_skolemized_v_prenex_1_3[63:32])) && ~Pluszero~LONGDOUBLE() == x) && x == \result) && (\exists v_skolemized_v_prenex_1_3 : bv64 :: v_skolemized_v_prenex_1_3[63:32] == hx && ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) == ~Pluszero~LONGDOUBLE())) && x == ~Pluszero~LONGDOUBLE() [2019-12-07 15:35:16,163 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_90fcd938-533a-439a-8e54-25b63ef112a3/bin/uautomizer/witness.graphml [2019-12-07 15:35:16,163 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:35:16,164 INFO L168 Benchmark]: Toolchain (without parser) took 34611.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 952.4 MB in the beginning and 905.3 MB in the end (delta: 47.1 MB). Peak memory consumption was 180.8 MB. Max. memory is 11.5 GB. [2019-12-07 15:35:16,164 INFO L168 Benchmark]: CDTParser took 0.15 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 15:35:16,165 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -168.5 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2019-12-07 15:35:16,165 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.58 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 15:35:16,165 INFO L168 Benchmark]: Boogie Preprocessor took 34.10 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 15:35:16,165 INFO L168 Benchmark]: RCFGBuilder took 19286.82 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: 50.8 MB). Peak memory consumption was 50.8 MB. Max. memory is 11.5 GB. [2019-12-07 15:35:16,166 INFO L168 Benchmark]: TraceAbstraction took 14915.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 911.9 MB in the end (delta: 158.1 MB). Peak memory consumption was 158.1 MB. Max. memory is 11.5 GB. [2019-12-07 15:35:16,166 INFO L168 Benchmark]: Witness Printer took 67.14 ms. Allocated memory is still 1.2 GB. Free memory was 911.9 MB in the beginning and 905.3 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-07 15:35:16,167 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 265.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -168.5 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.58 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 34.10 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 19286.82 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: 50.8 MB). Peak memory consumption was 50.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14915.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 911.9 MB in the end (delta: 158.1 MB). Peak memory consumption was 158.1 MB. Max. memory is 11.5 GB. * Witness Printer took 67.14 ms. Allocated memory is still 1.2 GB. Free memory was 911.9 MB in the beginning and 905.3 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 240]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 161]: Loop Invariant [2019-12-07 15:35:16,172 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:35:16,172 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:35:16,172 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:35:16,172 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:35:16,173 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:35:16,173 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:35:16,173 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:35:16,173 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((~Pluszero~LONGDOUBLE() == x && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == one_asin) && x == ~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_asin) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 158]: Loop Invariant [2019-12-07 15:35:16,174 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 15:35:16,174 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 15:35:16,174 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 15:35:16,174 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 15:35:16,175 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 15:35:16,175 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 15:35:16,175 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 15:35:16,175 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 15:35:16,176 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 15:35:16,176 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 15:35:16,176 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 15:35:16,176 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 15:35:16,176 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 15:35:16,177 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 15:35:16,177 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 15:35:16,177 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] Derived loop invariant: ((((\exists v_skolemized_v_prenex_1_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) == ~Pluszero~LONGDOUBLE() && ix == ~bvand32(2147483647bv32, v_skolemized_v_prenex_1_3[63:32])) && ~Pluszero~LONGDOUBLE() == x) && x == \result) && (\exists v_skolemized_v_prenex_1_3 : bv64 :: v_skolemized_v_prenex_1_3[63:32] == hx && ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) == ~Pluszero~LONGDOUBLE())) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 1 error locations. Result: SAFE, OverallTime: 14.6s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 258 SDtfs, 565 SDslu, 238 SDs, 0 SdLazy, 42 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 95 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 14 PreInvPairs, 17 NumberOfFragments, 74 HoareAnnotationTreeSize, 14 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 9.1s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 114 ConstructedInterpolants, 6 QuantifiedInterpolants, 8399 SizeOfPredicates, 17 NumberOfNonLiveVariables, 246 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...