./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0480.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0b0005f5-00aa-43b2-bb70-b372b7f2a3c9/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0b0005f5-00aa-43b2-bb70-b372b7f2a3c9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0b0005f5-00aa-43b2-bb70-b372b7f2a3c9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0b0005f5-00aa-43b2-bb70-b372b7f2a3c9/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0480.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0b0005f5-00aa-43b2-bb70-b372b7f2a3c9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0b0005f5-00aa-43b2-bb70-b372b7f2a3c9/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 d52986c59e68ce8d16e7f783a8a5ec11939c887c .................................................................................................................................................................................................................................................................................................... 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_0b0005f5-00aa-43b2-bb70-b372b7f2a3c9/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0b0005f5-00aa-43b2-bb70-b372b7f2a3c9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0b0005f5-00aa-43b2-bb70-b372b7f2a3c9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0b0005f5-00aa-43b2-bb70-b372b7f2a3c9/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0480.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0b0005f5-00aa-43b2-bb70-b372b7f2a3c9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0b0005f5-00aa-43b2-bb70-b372b7f2a3c9/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 d52986c59e68ce8d16e7f783a8a5ec11939c887c .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 01:12:13,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 01:12:13,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 01:12:13,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 01:12:13,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 01:12:13,160 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 01:12:13,162 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 01:12:13,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 01:12:13,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 01:12:13,179 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 01:12:13,181 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 01:12:13,182 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 01:12:13,182 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 01:12:13,184 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 01:12:13,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 01:12:13,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 01:12:13,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 01:12:13,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 01:12:13,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 01:12:13,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 01:12:13,198 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 01:12:13,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 01:12:13,203 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 01:12:13,204 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 01:12:13,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 01:12:13,206 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 01:12:13,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 01:12:13,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 01:12:13,208 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 01:12:13,209 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 01:12:13,210 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 01:12:13,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 01:12:13,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 01:12:13,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 01:12:13,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 01:12:13,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 01:12:13,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 01:12:13,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 01:12:13,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 01:12:13,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 01:12:13,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 01:12:13,217 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0b0005f5-00aa-43b2-bb70-b372b7f2a3c9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 01:12:13,245 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 01:12:13,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 01:12:13,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 01:12:13,248 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 01:12:13,248 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 01:12:13,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 01:12:13,249 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 01:12:13,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 01:12:13,249 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 01:12:13,249 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 01:12:13,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 01:12:13,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 01:12:13,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 01:12:13,251 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 01:12:13,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 01:12:13,252 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 01:12:13,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 01:12:13,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 01:12:13,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 01:12:13,253 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 01:12:13,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 01:12:13,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 01:12:13,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 01:12:13,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 01:12:13,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 01:12:13,254 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 01:12:13,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 01:12:13,255 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 01:12:13,255 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_0b0005f5-00aa-43b2-bb70-b372b7f2a3c9/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 -> d52986c59e68ce8d16e7f783a8a5ec11939c887c [2019-11-20 01:12:13,427 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 01:12:13,437 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 01:12:13,440 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 01:12:13,441 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 01:12:13,442 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 01:12:13,442 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0b0005f5-00aa-43b2-bb70-b372b7f2a3c9/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0480.c [2019-11-20 01:12:13,496 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0b0005f5-00aa-43b2-bb70-b372b7f2a3c9/bin/uautomizer/data/f5282feaa/821e363bc5204f309c5e7ec3abaa5072/FLAG8a3d3761c [2019-11-20 01:12:13,867 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 01:12:13,868 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0b0005f5-00aa-43b2-bb70-b372b7f2a3c9/sv-benchmarks/c/float-newlib/double_req_bl_0480.c [2019-11-20 01:12:13,875 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0b0005f5-00aa-43b2-bb70-b372b7f2a3c9/bin/uautomizer/data/f5282feaa/821e363bc5204f309c5e7ec3abaa5072/FLAG8a3d3761c [2019-11-20 01:12:14,239 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0b0005f5-00aa-43b2-bb70-b372b7f2a3c9/bin/uautomizer/data/f5282feaa/821e363bc5204f309c5e7ec3abaa5072 [2019-11-20 01:12:14,242 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 01:12:14,243 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 01:12:14,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 01:12:14,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 01:12:14,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 01:12:14,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:12:14" (1/1) ... [2019-11-20 01:12:14,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30fb77e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:12:14, skipping insertion in model container [2019-11-20 01:12:14,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:12:14" (1/1) ... [2019-11-20 01:12:14,257 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 01:12:14,281 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 01:12:14,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:12:14,542 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 01:12:14,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:12:14,638 INFO L192 MainTranslator]: Completed translation [2019-11-20 01:12:14,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:12:14 WrapperNode [2019-11-20 01:12:14,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 01:12:14,640 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 01:12:14,640 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 01:12:14,640 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 01:12:14,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:12:14" (1/1) ... [2019-11-20 01:12:14,659 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:12:14" (1/1) ... [2019-11-20 01:12:14,713 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 01:12:14,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 01:12:14,714 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 01:12:14,714 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 01:12:14,724 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:12:14" (1/1) ... [2019-11-20 01:12:14,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:12:14" (1/1) ... [2019-11-20 01:12:14,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:12:14" (1/1) ... [2019-11-20 01:12:14,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:12:14" (1/1) ... [2019-11-20 01:12:14,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:12:14" (1/1) ... [2019-11-20 01:12:14,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:12:14" (1/1) ... [2019-11-20 01:12:14,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:12:14" (1/1) ... [2019-11-20 01:12:14,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 01:12:14,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 01:12:14,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 01:12:14,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 01:12:14,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:12:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0b0005f5-00aa-43b2-bb70-b372b7f2a3c9/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 01:12:14,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 01:12:14,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-20 01:12:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 01:12:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-20 01:12:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 01:12:14,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 01:12:14,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 01:12:14,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 01:12:15,581 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 01:12:15,581 INFO L285 CfgBuilder]: Removed 36 assume(true) statements. [2019-11-20 01:12:15,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:12:15 BoogieIcfgContainer [2019-11-20 01:12:15,583 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 01:12:15,583 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 01:12:15,583 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 01:12:15,585 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 01:12:15,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 01:12:14" (1/3) ... [2019-11-20 01:12:15,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43aa874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:12:15, skipping insertion in model container [2019-11-20 01:12:15,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:12:14" (2/3) ... [2019-11-20 01:12:15,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43aa874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:12:15, skipping insertion in model container [2019-11-20 01:12:15,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:12:15" (3/3) ... [2019-11-20 01:12:15,588 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0480.c [2019-11-20 01:12:15,596 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 01:12:15,603 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 01:12:15,613 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 01:12:15,640 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 01:12:15,640 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 01:12:15,640 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 01:12:15,640 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 01:12:15,641 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 01:12:15,641 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 01:12:15,641 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 01:12:15,641 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 01:12:15,664 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states. [2019-11-20 01:12:15,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 01:12:15,673 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:12:15,674 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:12:15,674 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:12:15,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:12:15,681 INFO L82 PathProgramCache]: Analyzing trace with hash 2057066253, now seen corresponding path program 1 times [2019-11-20 01:12:15,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:12:15,689 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591435001] [2019-11-20 01:12:15,690 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:12:15,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:12:15,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:12:15,793 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591435001] [2019-11-20 01:12:15,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:12:15,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 01:12:15,795 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231511989] [2019-11-20 01:12:15,798 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 01:12:15,798 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:12:15,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 01:12:15,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 01:12:15,812 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 2 states. [2019-11-20 01:12:15,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:12:15,842 INFO L93 Difference]: Finished difference Result 214 states and 356 transitions. [2019-11-20 01:12:15,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 01:12:15,844 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-20 01:12:15,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:12:15,855 INFO L225 Difference]: With dead ends: 214 [2019-11-20 01:12:15,855 INFO L226 Difference]: Without dead ends: 105 [2019-11-20 01:12:15,858 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 [2019-11-20 01:12:15,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-11-20 01:12:15,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2019-11-20 01:12:15,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-11-20 01:12:15,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 151 transitions. [2019-11-20 01:12:15,898 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 151 transitions. Word has length 11 [2019-11-20 01:12:15,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:12:15,899 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 151 transitions. [2019-11-20 01:12:15,899 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 01:12:15,899 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 151 transitions. [2019-11-20 01:12:15,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 01:12:15,900 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:12:15,900 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:12:15,900 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:12:15,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:12:15,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1327273670, now seen corresponding path program 1 times [2019-11-20 01:12:15,901 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:12:15,901 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834688763] [2019-11-20 01:12:15,901 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:12:15,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:12:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:12:15,976 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:12:15,977 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 01:12:16,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 01:12:16 BoogieIcfgContainer [2019-11-20 01:12:16,011 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 01:12:16,012 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 01:12:16,012 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 01:12:16,012 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 01:12:16,013 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:12:15" (3/4) ... [2019-11-20 01:12:16,016 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 01:12:16,016 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 01:12:16,019 INFO L168 Benchmark]: Toolchain (without parser) took 1774.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 950.1 MB in the beginning and 1.0 GB in the end (delta: -52.4 MB). Peak memory consumption was 54.1 MB. Max. memory is 11.5 GB. [2019-11-20 01:12:16,019 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:12:16,020 INFO L168 Benchmark]: CACSL2BoogieTranslator took 395.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -138.2 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-20 01:12:16,020 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.10 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. [2019-11-20 01:12:16,021 INFO L168 Benchmark]: Boogie Preprocessor took 105.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-20 01:12:16,022 INFO L168 Benchmark]: RCFGBuilder took 762.90 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: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. [2019-11-20 01:12:16,022 INFO L168 Benchmark]: TraceAbstraction took 428.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2019-11-20 01:12:16,023 INFO L168 Benchmark]: Witness Printer took 4.70 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:12:16,026 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 395.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -138.2 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 74.10 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 105.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 762.90 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: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 428.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * Witness Printer took 4.70 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 237]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 145, overapproximation of bitwiseAnd at line 163, overapproximation of someBinaryArithmeticDOUBLEoperation at line 181, overapproximation of someBinaryDOUBLEComparisonOperation at line 236. Possible FailurePath: [L28] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L140-L153] static const double one_acos = 1.00000000000000000000e+00, pi = 3.14159265358979311600e+00, pio2_hi_acos = 1.57079632679489655800e+00, pio2_lo_acos = 6.12323399573676603587e-17, pS0_acos = 1.66666666666666657415e-01, pS1_acos = -3.25565818622400915405e-01, pS2_acos = 2.01212532134862925881e-01, pS3_acos = -4.00555345006794114027e-02, pS4_acos = 7.91534994289814532176e-04, pS5_acos = 3.47933107596021167570e-05, qS1_acos = -2.40339491173441421878e+00, qS2_acos = 2.02094576023350569471e+00, qS3_acos = -6.88283971605453293030e-01, qS4_acos = 7.70381505559019352791e-02; VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L232] double x = 1.0; [L156] double z, p, q, r, w, s, c, df; [L157] __int32_t hx, ix; VAL [one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L159] ieee_double_shape_type gh_u; [L160] gh_u.value = (x) [L161] EXPR gh_u.parts.msw [L161] (hx) = gh_u.parts.msw [L163] ix = hx & 0x7fffffff VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L164] COND FALSE !(ix >= 0x3ff00000) VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L179] COND TRUE ix < 0x3fe00000 VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L180] COND TRUE ix <= 0x3c600000 [L181] return pio2_hi_acos + pio2_lo_acos; VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L233] double res = __ieee754_acos(x); [L236] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L236] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L237] __VERIFIER_error() VAL [one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 108 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 154 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=108occurred 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, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 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 0.1.24-678e011 [2019-11-20 01:12:18,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 01:12:18,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 01:12:18,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 01:12:18,186 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 01:12:18,188 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 01:12:18,190 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 01:12:18,200 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 01:12:18,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 01:12:18,209 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 01:12:18,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 01:12:18,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 01:12:18,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 01:12:18,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 01:12:18,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 01:12:18,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 01:12:18,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 01:12:18,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 01:12:18,218 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 01:12:18,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 01:12:18,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 01:12:18,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 01:12:18,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 01:12:18,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 01:12:18,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 01:12:18,227 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 01:12:18,227 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 01:12:18,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 01:12:18,228 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 01:12:18,229 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 01:12:18,230 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 01:12:18,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 01:12:18,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 01:12:18,232 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 01:12:18,233 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 01:12:18,233 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 01:12:18,234 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 01:12:18,234 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 01:12:18,234 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 01:12:18,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 01:12:18,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 01:12:18,237 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0b0005f5-00aa-43b2-bb70-b372b7f2a3c9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 01:12:18,250 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 01:12:18,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 01:12:18,263 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 01:12:18,263 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 01:12:18,263 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 01:12:18,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 01:12:18,264 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 01:12:18,264 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 01:12:18,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 01:12:18,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 01:12:18,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 01:12:18,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 01:12:18,265 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 01:12:18,265 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 01:12:18,265 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 01:12:18,266 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 01:12:18,266 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 01:12:18,266 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 01:12:18,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 01:12:18,266 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 01:12:18,267 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 01:12:18,267 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 01:12:18,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 01:12:18,267 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 01:12:18,268 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 01:12:18,268 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 01:12:18,268 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 01:12:18,268 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 01:12:18,268 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 01:12:18,269 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 01:12:18,269 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_0b0005f5-00aa-43b2-bb70-b372b7f2a3c9/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 -> d52986c59e68ce8d16e7f783a8a5ec11939c887c [2019-11-20 01:12:18,555 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 01:12:18,576 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 01:12:18,580 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 01:12:18,583 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 01:12:18,583 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 01:12:18,584 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0b0005f5-00aa-43b2-bb70-b372b7f2a3c9/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0480.c [2019-11-20 01:12:18,658 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0b0005f5-00aa-43b2-bb70-b372b7f2a3c9/bin/uautomizer/data/7eedd89f2/cc4353be8c7e43f292c209b39d289992/FLAGd05c5fae9 [2019-11-20 01:12:19,111 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 01:12:19,112 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0b0005f5-00aa-43b2-bb70-b372b7f2a3c9/sv-benchmarks/c/float-newlib/double_req_bl_0480.c [2019-11-20 01:12:19,119 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0b0005f5-00aa-43b2-bb70-b372b7f2a3c9/bin/uautomizer/data/7eedd89f2/cc4353be8c7e43f292c209b39d289992/FLAGd05c5fae9 [2019-11-20 01:12:19,468 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0b0005f5-00aa-43b2-bb70-b372b7f2a3c9/bin/uautomizer/data/7eedd89f2/cc4353be8c7e43f292c209b39d289992 [2019-11-20 01:12:19,471 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 01:12:19,472 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 01:12:19,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 01:12:19,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 01:12:19,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 01:12:19,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:12:19" (1/1) ... [2019-11-20 01:12:19,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fe7f9a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:12:19, skipping insertion in model container [2019-11-20 01:12:19,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:12:19" (1/1) ... [2019-11-20 01:12:19,487 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 01:12:19,529 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 01:12:19,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:12:19,813 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 01:12:19,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:12:19,992 INFO L192 MainTranslator]: Completed translation [2019-11-20 01:12:19,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:12:19 WrapperNode [2019-11-20 01:12:19,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 01:12:19,993 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 01:12:19,993 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 01:12:19,993 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 01:12:20,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:12:19" (1/1) ... [2019-11-20 01:12:20,026 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:12:19" (1/1) ... [2019-11-20 01:12:20,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 01:12:20,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 01:12:20,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 01:12:20,071 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 01:12:20,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:12:19" (1/1) ... [2019-11-20 01:12:20,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:12:19" (1/1) ... [2019-11-20 01:12:20,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:12:19" (1/1) ... [2019-11-20 01:12:20,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:12:19" (1/1) ... [2019-11-20 01:12:20,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:12:19" (1/1) ... [2019-11-20 01:12:20,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:12:19" (1/1) ... [2019-11-20 01:12:20,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:12:19" (1/1) ... [2019-11-20 01:12:20,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 01:12:20,148 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 01:12:20,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 01:12:20,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 01:12:20,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:12:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0b0005f5-00aa-43b2-bb70-b372b7f2a3c9/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 01:12:20,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-20 01:12:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-20 01:12:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 01:12:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 01:12:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 01:12:20,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 01:12:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 01:12:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 01:12:43,680 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 01:12:43,680 INFO L285 CfgBuilder]: Removed 36 assume(true) statements. [2019-11-20 01:12:43,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:12:43 BoogieIcfgContainer [2019-11-20 01:12:43,681 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 01:12:43,682 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 01:12:43,682 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 01:12:43,685 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 01:12:43,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 01:12:19" (1/3) ... [2019-11-20 01:12:43,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8fb8f52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:12:43, skipping insertion in model container [2019-11-20 01:12:43,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:12:19" (2/3) ... [2019-11-20 01:12:43,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8fb8f52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:12:43, skipping insertion in model container [2019-11-20 01:12:43,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:12:43" (3/3) ... [2019-11-20 01:12:43,689 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0480.c [2019-11-20 01:12:43,697 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 01:12:43,705 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 01:12:43,714 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 01:12:43,740 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 01:12:43,741 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 01:12:43,741 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 01:12:43,741 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 01:12:43,741 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 01:12:43,742 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 01:12:43,742 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 01:12:43,742 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 01:12:43,760 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states. [2019-11-20 01:12:43,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 01:12:43,766 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:12:43,767 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:12:43,768 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:12:43,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:12:43,774 INFO L82 PathProgramCache]: Analyzing trace with hash 2057066253, now seen corresponding path program 1 times [2019-11-20 01:12:43,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 01:12:43,784 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1072099499] [2019-11-20 01:12:43,785 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0b0005f5-00aa-43b2-bb70-b372b7f2a3c9/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-20 01:12:44,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:12:44,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-20 01:12:44,714 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:12:44,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:12:44,726 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 01:12:44,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:12:44,731 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1072099499] [2019-11-20 01:12:44,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:12:44,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-20 01:12:44,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138179178] [2019-11-20 01:12:44,738 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 01:12:44,738 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 01:12:44,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 01:12:44,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 01:12:44,752 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 2 states. [2019-11-20 01:12:44,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:12:44,781 INFO L93 Difference]: Finished difference Result 214 states and 356 transitions. [2019-11-20 01:12:44,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 01:12:44,783 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-20 01:12:44,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:12:44,795 INFO L225 Difference]: With dead ends: 214 [2019-11-20 01:12:44,795 INFO L226 Difference]: Without dead ends: 105 [2019-11-20 01:12:44,799 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 01:12:44,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-11-20 01:12:44,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2019-11-20 01:12:44,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-11-20 01:12:44,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 151 transitions. [2019-11-20 01:12:44,844 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 151 transitions. Word has length 11 [2019-11-20 01:12:44,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:12:44,845 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 151 transitions. [2019-11-20 01:12:44,845 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 01:12:44,845 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 151 transitions. [2019-11-20 01:12:44,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 01:12:44,846 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:12:44,846 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:12:45,070 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 01:12:45,070 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:12:45,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:12:45,071 INFO L82 PathProgramCache]: Analyzing trace with hash -1327273670, now seen corresponding path program 1 times [2019-11-20 01:12:45,071 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 01:12:45,072 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1756127199] [2019-11-20 01:12:45,072 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0b0005f5-00aa-43b2-bb70-b372b7f2a3c9/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 [2019-11-20 01:12:45,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:12:45,272 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 01:12:45,274 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:12:45,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:12:45,348 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 01:12:45,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:12:45,452 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1756127199] [2019-11-20 01:12:45,452 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:12:45,452 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-20 01:12:45,453 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453056270] [2019-11-20 01:12:45,454 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 01:12:45,454 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 01:12:45,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 01:12:45,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-20 01:12:45,455 INFO L87 Difference]: Start difference. First operand 105 states and 151 transitions. Second operand 8 states. [2019-11-20 01:12:47,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:12:47,538 INFO L93 Difference]: Finished difference Result 114 states and 160 transitions. [2019-11-20 01:12:47,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 01:12:47,555 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2019-11-20 01:12:47,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:12:47,556 INFO L225 Difference]: With dead ends: 114 [2019-11-20 01:12:47,556 INFO L226 Difference]: Without dead ends: 19 [2019-11-20 01:12:47,558 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-20 01:12:47,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-11-20 01:12:47,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-11-20 01:12:47,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-20 01:12:47,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2019-11-20 01:12:47,563 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 12 [2019-11-20 01:12:47,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:12:47,564 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2019-11-20 01:12:47,564 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 01:12:47,564 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2019-11-20 01:12:47,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 01:12:47,565 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:12:47,565 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:12:47,772 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-20 01:12:47,773 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:12:47,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:12:47,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1300609201, now seen corresponding path program 1 times [2019-11-20 01:12:47,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 01:12:47,774 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1196823016] [2019-11-20 01:12:47,775 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0b0005f5-00aa-43b2-bb70-b372b7f2a3c9/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 [2019-11-20 01:12:48,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:12:48,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-20 01:12:48,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:12:48,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:12:48,755 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 01:12:48,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:12:48,979 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1196823016] [2019-11-20 01:12:48,979 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:12:48,980 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-11-20 01:12:48,980 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310346273] [2019-11-20 01:12:48,980 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-20 01:12:48,981 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 01:12:48,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-20 01:12:48,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2019-11-20 01:12:48,982 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand 10 states. [2019-11-20 01:12:49,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:12:49,181 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2019-11-20 01:12:49,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 01:12:49,182 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 13 [2019-11-20 01:12:49,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:12:49,183 INFO L225 Difference]: With dead ends: 28 [2019-11-20 01:12:49,183 INFO L226 Difference]: Without dead ends: 19 [2019-11-20 01:12:49,184 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2019-11-20 01:12:49,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-11-20 01:12:49,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-11-20 01:12:49,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-20 01:12:49,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2019-11-20 01:12:49,188 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 13 [2019-11-20 01:12:49,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:12:49,189 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2019-11-20 01:12:49,189 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-20 01:12:49,189 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2019-11-20 01:12:49,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 01:12:49,190 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:12:49,190 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:12:49,415 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-20 01:12:49,415 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:12:49,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:12:49,416 INFO L82 PathProgramCache]: Analyzing trace with hash 2062223078, now seen corresponding path program 1 times [2019-11-20 01:12:49,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 01:12:49,416 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [485387602] [2019-11-20 01:12:49,416 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0b0005f5-00aa-43b2-bb70-b372b7f2a3c9/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 [2019-11-20 01:12:49,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:12:49,521 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 01:12:49,522 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:12:49,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:12:49,543 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 01:12:49,544 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 01:12:49,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:12:49,559 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [485387602] [2019-11-20 01:12:49,559 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:12:49,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2019-11-20 01:12:49,559 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301231685] [2019-11-20 01:12:49,560 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 01:12:49,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 01:12:49,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 01:12:49,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-20 01:12:49,560 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 5 states. [2019-11-20 01:12:49,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:12:49,606 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2019-11-20 01:12:49,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 01:12:49,607 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2019-11-20 01:12:49,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:12:49,607 INFO L225 Difference]: With dead ends: 22 [2019-11-20 01:12:49,608 INFO L226 Difference]: Without dead ends: 19 [2019-11-20 01:12:49,608 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-20 01:12:49,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-11-20 01:12:49,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-11-20 01:12:49,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-20 01:12:49,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2019-11-20 01:12:49,613 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 14 [2019-11-20 01:12:49,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:12:49,613 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2019-11-20 01:12:49,613 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 01:12:49,614 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2019-11-20 01:12:49,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 01:12:49,614 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:12:49,615 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:12:49,824 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-20 01:12:49,824 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:12:49,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:12:49,825 INFO L82 PathProgramCache]: Analyzing trace with hash -832376325, now seen corresponding path program 1 times [2019-11-20 01:12:49,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 01:12:49,825 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2059250763] [2019-11-20 01:12:49,826 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0b0005f5-00aa-43b2-bb70-b372b7f2a3c9/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-11-20 01:12:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:12:49,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-20 01:12:49,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:12:49,991 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 01:12:50,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:12:50,027 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 01:12:50,028 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 01:12:50,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:12:50,155 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2059250763] [2019-11-20 01:12:50,155 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:12:50,155 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 12 [2019-11-20 01:12:50,155 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644520900] [2019-11-20 01:12:50,156 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-20 01:12:50,156 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 01:12:50,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-20 01:12:50,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-11-20 01:12:50,156 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 12 states. [2019-11-20 01:12:50,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:12:50,324 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2019-11-20 01:12:50,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 01:12:50,324 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2019-11-20 01:12:50,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:12:50,325 INFO L225 Difference]: With dead ends: 19 [2019-11-20 01:12:50,325 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 01:12:50,325 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2019-11-20 01:12:50,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 01:12:50,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 01:12:50,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 01:12:50,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 01:12:50,326 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2019-11-20 01:12:50,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:12:50,326 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 01:12:50,326 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-20 01:12:50,327 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 01:12:50,327 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 01:12:50,527 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-20 01:12:50,531 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 01:12:50,852 INFO L444 ceAbstractionStarter]: For program point L101-5(lines 101 102) no Hoare annotation was computed. [2019-11-20 01:12:50,852 INFO L444 ceAbstractionStarter]: For program point L69(lines 69 72) no Hoare annotation was computed. [2019-11-20 01:12:50,852 INFO L444 ceAbstractionStarter]: For program point L36-1(lines 36 41) no Hoare annotation was computed. [2019-11-20 01:12:50,853 INFO L444 ceAbstractionStarter]: For program point L69-2(lines 69 72) no Hoare annotation was computed. [2019-11-20 01:12:50,853 INFO L440 ceAbstractionStarter]: At program point L36-2(lines 36 41) the Hoare annotation is: false [2019-11-20 01:12:50,853 INFO L444 ceAbstractionStarter]: For program point L69-3(lines 69 72) no Hoare annotation was computed. [2019-11-20 01:12:50,853 INFO L444 ceAbstractionStarter]: For program point L36-3(lines 30 138) no Hoare annotation was computed. [2019-11-20 01:12:50,853 INFO L444 ceAbstractionStarter]: For program point L69-5(lines 69 72) no Hoare annotation was computed. [2019-11-20 01:12:50,853 INFO L444 ceAbstractionStarter]: For program point L36-5(lines 36 41) no Hoare annotation was computed. [2019-11-20 01:12:50,854 INFO L440 ceAbstractionStarter]: At program point L36-6(lines 36 41) the Hoare annotation is: false [2019-11-20 01:12:50,854 INFO L444 ceAbstractionStarter]: For program point L36-7(lines 30 138) no Hoare annotation was computed. [2019-11-20 01:12:50,854 INFO L444 ceAbstractionStarter]: For program point L236(line 236) no Hoare annotation was computed. [2019-11-20 01:12:50,854 INFO L444 ceAbstractionStarter]: For program point L236-2(lines 236 239) no Hoare annotation was computed. [2019-11-20 01:12:50,854 INFO L440 ceAbstractionStarter]: At program point L137(lines 30 138) the Hoare annotation is: false [2019-11-20 01:12:50,854 INFO L440 ceAbstractionStarter]: At program point L137-1(lines 30 138) the Hoare annotation is: false [2019-11-20 01:12:50,854 INFO L444 ceAbstractionStarter]: For program point L237(line 237) no Hoare annotation was computed. [2019-11-20 01:12:50,854 INFO L444 ceAbstractionStarter]: For program point L172(lines 172 175) no Hoare annotation was computed. [2019-11-20 01:12:50,854 INFO L444 ceAbstractionStarter]: For program point L207-1(lines 207 212) no Hoare annotation was computed. [2019-11-20 01:12:50,855 INFO L440 ceAbstractionStarter]: At program point L207-2(lines 207 212) the Hoare annotation is: false [2019-11-20 01:12:50,855 INFO L444 ceAbstractionStarter]: For program point L207-3(lines 207 212) no Hoare annotation was computed. [2019-11-20 01:12:50,855 INFO L447 ceAbstractionStarter]: At program point L241(lines 226 242) the Hoare annotation is: true [2019-11-20 01:12:50,855 INFO L444 ceAbstractionStarter]: For program point L111(lines 111 125) no Hoare annotation was computed. [2019-11-20 01:12:50,855 INFO L444 ceAbstractionStarter]: For program point L111-1(lines 111 125) no Hoare annotation was computed. [2019-11-20 01:12:50,855 INFO L444 ceAbstractionStarter]: For program point L179(lines 179 223) no Hoare annotation was computed. [2019-11-20 01:12:50,855 INFO L444 ceAbstractionStarter]: For program point L113(lines 113 124) no Hoare annotation was computed. [2019-11-20 01:12:50,855 INFO L444 ceAbstractionStarter]: For program point L47(lines 47 52) no Hoare annotation was computed. [2019-11-20 01:12:50,855 INFO L444 ceAbstractionStarter]: For program point L113-2(lines 113 124) no Hoare annotation was computed. [2019-11-20 01:12:50,855 INFO L440 ceAbstractionStarter]: At program point L80-2(lines 80 90) the Hoare annotation is: false [2019-11-20 01:12:50,855 INFO L444 ceAbstractionStarter]: For program point L47-2(lines 47 52) no Hoare annotation was computed. [2019-11-20 01:12:50,856 INFO L444 ceAbstractionStarter]: For program point L80-3(lines 80 90) no Hoare annotation was computed. [2019-11-20 01:12:50,856 INFO L444 ceAbstractionStarter]: For program point L47-3(lines 47 52) no Hoare annotation was computed. [2019-11-20 01:12:50,856 INFO L444 ceAbstractionStarter]: For program point L47-5(lines 47 52) no Hoare annotation was computed. [2019-11-20 01:12:50,856 INFO L440 ceAbstractionStarter]: At program point L80-6(lines 80 90) the Hoare annotation is: false [2019-11-20 01:12:50,856 INFO L444 ceAbstractionStarter]: For program point L80-7(lines 80 90) no Hoare annotation was computed. [2019-11-20 01:12:50,856 INFO L444 ceAbstractionStarter]: For program point L180(lines 180 181) no Hoare annotation was computed. [2019-11-20 01:12:50,856 INFO L444 ceAbstractionStarter]: For program point L48(lines 48 51) no Hoare annotation was computed. [2019-11-20 01:12:50,856 INFO L444 ceAbstractionStarter]: For program point L48-1(lines 48 51) no Hoare annotation was computed. [2019-11-20 01:12:50,856 INFO L444 ceAbstractionStarter]: For program point L115(lines 115 123) no Hoare annotation was computed. [2019-11-20 01:12:50,856 INFO L444 ceAbstractionStarter]: For program point L82(lines 82 86) no Hoare annotation was computed. [2019-11-20 01:12:50,856 INFO L444 ceAbstractionStarter]: For program point L115-2(lines 115 123) no Hoare annotation was computed. [2019-11-20 01:12:50,857 INFO L444 ceAbstractionStarter]: For program point L82-2(lines 82 86) no Hoare annotation was computed. [2019-11-20 01:12:50,857 INFO L444 ceAbstractionStarter]: For program point L82-3(lines 82 86) no Hoare annotation was computed. [2019-11-20 01:12:50,857 INFO L444 ceAbstractionStarter]: For program point L82-5(lines 82 86) no Hoare annotation was computed. [2019-11-20 01:12:50,857 INFO L444 ceAbstractionStarter]: For program point L50(lines 50 51) no Hoare annotation was computed. [2019-11-20 01:12:50,857 INFO L444 ceAbstractionStarter]: For program point L50-1(lines 50 51) no Hoare annotation was computed. [2019-11-20 01:12:50,857 INFO L444 ceAbstractionStarter]: For program point L118(lines 118 123) no Hoare annotation was computed. [2019-11-20 01:12:50,857 INFO L444 ceAbstractionStarter]: For program point L118-3(lines 118 123) no Hoare annotation was computed. [2019-11-20 01:12:50,857 INFO L444 ceAbstractionStarter]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2019-11-20 01:12:50,857 INFO L440 ceAbstractionStarter]: At program point L19-2(lines 19 23) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short19| (= (_ +zero 11 53) ULTIMATE.start___signbit_double_~x) (= (_ +zero 11 53) |ULTIMATE.start___ieee754_acos_#res|) (= ULTIMATE.start_main_~res~0 (_ +zero 11 53)) (exists ((|v_skolemized_q#valueAsBitvector_14| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_14|)) ULTIMATE.start___ieee754_acos_~x) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_14|) ULTIMATE.start___ieee754_acos_~hx~0))) (= (bvor (bvadd ULTIMATE.start___ieee754_acos_~ix~0 (_ bv3222274048 32)) ULTIMATE.start___ieee754_acos_~lx~0) (_ bv0 32)) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) ULTIMATE.start___ieee754_acos_~x)) [2019-11-20 01:12:50,857 INFO L444 ceAbstractionStarter]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2019-11-20 01:12:50,858 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 01:12:50,858 INFO L444 ceAbstractionStarter]: For program point L119(lines 119 120) no Hoare annotation was computed. [2019-11-20 01:12:50,858 INFO L444 ceAbstractionStarter]: For program point L119-2(lines 119 120) no Hoare annotation was computed. [2019-11-20 01:12:50,858 INFO L444 ceAbstractionStarter]: For program point L119-3(lines 119 120) no Hoare annotation was computed. [2019-11-20 01:12:50,858 INFO L444 ceAbstractionStarter]: For program point L119-5(lines 119 120) no Hoare annotation was computed. [2019-11-20 01:12:50,858 INFO L444 ceAbstractionStarter]: For program point L55(lines 55 66) no Hoare annotation was computed. [2019-11-20 01:12:50,858 INFO L444 ceAbstractionStarter]: For program point L55-2(lines 55 66) no Hoare annotation was computed. [2019-11-20 01:12:50,858 INFO L444 ceAbstractionStarter]: For program point L55-3(lines 55 66) no Hoare annotation was computed. [2019-11-20 01:12:50,858 INFO L444 ceAbstractionStarter]: For program point L55-5(lines 55 66) no Hoare annotation was computed. [2019-11-20 01:12:50,858 INFO L440 ceAbstractionStarter]: At program point L56-2(lines 56 60) the Hoare annotation is: false [2019-11-20 01:12:50,860 INFO L444 ceAbstractionStarter]: For program point L56-3(lines 56 60) no Hoare annotation was computed. [2019-11-20 01:12:50,860 INFO L440 ceAbstractionStarter]: At program point L56-6(lines 56 60) the Hoare annotation is: false [2019-11-20 01:12:50,860 INFO L444 ceAbstractionStarter]: For program point L56-7(lines 56 60) no Hoare annotation was computed. [2019-11-20 01:12:50,860 INFO L440 ceAbstractionStarter]: At program point L222(lines 155 224) the Hoare annotation is: (and (= (_ +zero 11 53) |ULTIMATE.start___ieee754_acos_#res|) (exists ((|v_skolemized_q#valueAsBitvector_14| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_14|)) ULTIMATE.start___ieee754_acos_~x) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_14|) ULTIMATE.start___ieee754_acos_~hx~0))) (= (bvor (bvadd ULTIMATE.start___ieee754_acos_~ix~0 (_ bv3222274048 32)) ULTIMATE.start___ieee754_acos_~lx~0) (_ bv0 32)) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) ULTIMATE.start___ieee754_acos_~x)) [2019-11-20 01:12:50,860 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 01:12:50,861 INFO L440 ceAbstractionStarter]: At program point L25(lines 16 26) the Hoare annotation is: (and (= |ULTIMATE.start___signbit_double_#res| (_ bv0 32)) |ULTIMATE.start_main_#t~short19| (exists ((|v_skolemized_q#valueAsBitvector_16| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_16|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_16|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_16|))) (= ULTIMATE.start___signbit_double_~msw~0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_16|)))) (= (_ +zero 11 53) ULTIMATE.start___signbit_double_~x) (= (_ +zero 11 53) |ULTIMATE.start___ieee754_acos_#res|) (= ULTIMATE.start_main_~res~0 (_ +zero 11 53)) (exists ((|v_skolemized_q#valueAsBitvector_14| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_14|)) ULTIMATE.start___ieee754_acos_~x) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_14|) ULTIMATE.start___ieee754_acos_~hx~0))) (= (bvor (bvadd ULTIMATE.start___ieee754_acos_~ix~0 (_ bv3222274048 32)) ULTIMATE.start___ieee754_acos_~lx~0) (_ bv0 32)) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) ULTIMATE.start___ieee754_acos_~x)) [2019-11-20 01:12:50,861 INFO L444 ceAbstractionStarter]: For program point L191(lines 191 223) no Hoare annotation was computed. [2019-11-20 01:12:50,861 INFO L444 ceAbstractionStarter]: For program point L158-1(lines 158 162) no Hoare annotation was computed. [2019-11-20 01:12:50,861 INFO L440 ceAbstractionStarter]: At program point L158-2(lines 158 162) the Hoare annotation is: (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) ULTIMATE.start___ieee754_acos_~x) [2019-11-20 01:12:50,861 INFO L444 ceAbstractionStarter]: For program point L158-3(lines 158 162) no Hoare annotation was computed. [2019-11-20 01:12:50,863 INFO L440 ceAbstractionStarter]: At program point L93-2(lines 93 109) the Hoare annotation is: false [2019-11-20 01:12:50,863 INFO L444 ceAbstractionStarter]: For program point L93-3(lines 30 138) no Hoare annotation was computed. [2019-11-20 01:12:50,863 INFO L440 ceAbstractionStarter]: At program point L93-6(lines 93 109) the Hoare annotation is: false [2019-11-20 01:12:50,863 INFO L444 ceAbstractionStarter]: For program point L93-7(lines 30 138) no Hoare annotation was computed. [2019-11-20 01:12:50,863 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 01:12:50,863 INFO L444 ceAbstractionStarter]: For program point L61-2(lines 61 62) no Hoare annotation was computed. [2019-11-20 01:12:50,863 INFO L440 ceAbstractionStarter]: At program point L61-3(lines 61 62) the Hoare annotation is: false [2019-11-20 01:12:50,863 INFO L444 ceAbstractionStarter]: For program point L61-4(lines 61 62) no Hoare annotation was computed. [2019-11-20 01:12:50,863 INFO L444 ceAbstractionStarter]: For program point L61-7(lines 61 62) no Hoare annotation was computed. [2019-11-20 01:12:50,863 INFO L440 ceAbstractionStarter]: At program point L61-8(lines 61 62) the Hoare annotation is: false [2019-11-20 01:12:50,863 INFO L444 ceAbstractionStarter]: For program point L61-9(lines 61 62) no Hoare annotation was computed. [2019-11-20 01:12:50,864 INFO L444 ceAbstractionStarter]: For program point L128(lines 128 129) no Hoare annotation was computed. [2019-11-20 01:12:50,864 INFO L444 ceAbstractionStarter]: For program point L128-2(lines 128 129) no Hoare annotation was computed. [2019-11-20 01:12:50,864 INFO L444 ceAbstractionStarter]: For program point L128-3(lines 128 129) no Hoare annotation was computed. [2019-11-20 01:12:50,864 INFO L444 ceAbstractionStarter]: For program point L128-5(lines 128 129) no Hoare annotation was computed. [2019-11-20 01:12:50,864 INFO L444 ceAbstractionStarter]: For program point L96(lines 96 105) no Hoare annotation was computed. [2019-11-20 01:12:50,864 INFO L444 ceAbstractionStarter]: For program point L96-2(lines 96 105) no Hoare annotation was computed. [2019-11-20 01:12:50,864 INFO L444 ceAbstractionStarter]: For program point L96-3(lines 96 105) no Hoare annotation was computed. [2019-11-20 01:12:50,864 INFO L444 ceAbstractionStarter]: For program point L96-5(lines 96 105) no Hoare annotation was computed. [2019-11-20 01:12:50,864 INFO L444 ceAbstractionStarter]: For program point L164(lines 164 178) no Hoare annotation was computed. [2019-11-20 01:12:50,864 INFO L444 ceAbstractionStarter]: For program point L98(lines 98 99) no Hoare annotation was computed. [2019-11-20 01:12:50,865 INFO L444 ceAbstractionStarter]: For program point L131-1(lines 131 136) no Hoare annotation was computed. [2019-11-20 01:12:50,865 INFO L440 ceAbstractionStarter]: At program point L131-2(lines 131 136) the Hoare annotation is: false [2019-11-20 01:12:50,865 INFO L444 ceAbstractionStarter]: For program point L98-2(lines 98 99) no Hoare annotation was computed. [2019-11-20 01:12:50,865 INFO L444 ceAbstractionStarter]: For program point L131-3(lines 131 136) no Hoare annotation was computed. [2019-11-20 01:12:50,865 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 01:12:50,865 INFO L444 ceAbstractionStarter]: For program point L98-3(lines 98 99) no Hoare annotation was computed. [2019-11-20 01:12:50,865 INFO L444 ceAbstractionStarter]: For program point L131-5(lines 131 136) no Hoare annotation was computed. [2019-11-20 01:12:50,866 INFO L444 ceAbstractionStarter]: For program point L98-5(lines 98 99) no Hoare annotation was computed. [2019-11-20 01:12:50,866 INFO L440 ceAbstractionStarter]: At program point L131-6(lines 131 136) the Hoare annotation is: false [2019-11-20 01:12:50,866 INFO L444 ceAbstractionStarter]: For program point L131-7(lines 131 136) no Hoare annotation was computed. [2019-11-20 01:12:50,866 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 237) no Hoare annotation was computed. [2019-11-20 01:12:50,866 INFO L444 ceAbstractionStarter]: For program point L166-1(lines 166 170) no Hoare annotation was computed. [2019-11-20 01:12:50,867 INFO L440 ceAbstractionStarter]: At program point L166-2(lines 166 170) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_14| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_14|)) ULTIMATE.start___ieee754_acos_~x) (= (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_14|)) ULTIMATE.start___ieee754_acos_~ix~0))) (exists ((|v_skolemized_q#valueAsBitvector_14| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_14|)) ULTIMATE.start___ieee754_acos_~x) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_14|) ULTIMATE.start___ieee754_acos_~hx~0))) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) ULTIMATE.start___ieee754_acos_~x)) [2019-11-20 01:12:50,867 INFO L444 ceAbstractionStarter]: For program point L166-3(lines 164 178) no Hoare annotation was computed. [2019-11-20 01:12:50,867 INFO L444 ceAbstractionStarter]: For program point L101(lines 101 102) no Hoare annotation was computed. [2019-11-20 01:12:50,867 INFO L444 ceAbstractionStarter]: For program point L101-2(lines 101 102) no Hoare annotation was computed. [2019-11-20 01:12:50,867 INFO L444 ceAbstractionStarter]: For program point L101-3(lines 101 102) no Hoare annotation was computed. [2019-11-20 01:12:50,874 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:50,875 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:50,875 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:50,875 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:50,878 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 01:12:50,881 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:50,881 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:50,881 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:50,882 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:50,882 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 01:12:50,883 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 01:12:50,884 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 01:12:50,884 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:50,884 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:50,885 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:50,885 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:50,885 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 01:12:50,886 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:50,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:50,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:50,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:50,887 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 01:12:50,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2019-11-20 01:12:50,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2019-11-20 01:12:50,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2019-11-20 01:12:50,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2019-11-20 01:12:50,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:50,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:50,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:50,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:50,891 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 01:12:50,892 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2019-11-20 01:12:50,893 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2019-11-20 01:12:50,893 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2019-11-20 01:12:50,893 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2019-11-20 01:12:50,894 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:50,894 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:50,894 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:50,894 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:50,895 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 01:12:50,896 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:50,896 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:50,896 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:50,897 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:50,897 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:50,897 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:50,897 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:50,898 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:50,898 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 01:12:50,899 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:50,899 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:50,899 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:50,900 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:50,900 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:50,900 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:50,900 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:50,901 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:50,901 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 01:12:50,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 01:12:50 BoogieIcfgContainer [2019-11-20 01:12:50,903 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 01:12:50,904 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 01:12:50,904 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 01:12:50,904 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 01:12:50,905 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:12:43" (3/4) ... [2019-11-20 01:12:50,908 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 01:12:50,926 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2019-11-20 01:12:50,927 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-20 01:12:50,928 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 01:12:50,956 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists v_skolemized_q#valueAsBitvector_14 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) == x && ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_14[63:32]) == ix) && (\exists v_skolemized_q#valueAsBitvector_14 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) == x && v_skolemized_q#valueAsBitvector_14[63:32] == hx)) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == x [2019-11-20 01:12:50,957 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~Pluszero~LONGDOUBLE() == \result && (\exists v_skolemized_q#valueAsBitvector_14 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) == x && v_skolemized_q#valueAsBitvector_14[63:32] == hx)) && ~bvor32(~bvadd64(ix, 3222274048bv32), lx) == 0bv32) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == x [2019-11-20 01:12:50,958 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((aux-res == 0.0 && __signbit_double(res) == 0-aux && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == \result) && res == ~Pluszero~LONGDOUBLE()) && (\exists v_skolemized_q#valueAsBitvector_14 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) == x && v_skolemized_q#valueAsBitvector_14[63:32] == hx)) && ~bvor32(~bvadd64(ix, 3222274048bv32), lx) == 0bv32) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == x [2019-11-20 01:12:50,958 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 0bv32 && aux-res == 0.0 && __signbit_double(res) == 0-aux) && (\exists v_skolemized_q#valueAsBitvector_16 : bv64 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_16[63:63], v_skolemized_q#valueAsBitvector_16[62:52], v_skolemized_q#valueAsBitvector_16[51:0]) && msw == v_skolemized_q#valueAsBitvector_16[63:32])) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == \result) && res == ~Pluszero~LONGDOUBLE()) && (\exists v_skolemized_q#valueAsBitvector_14 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) == x && v_skolemized_q#valueAsBitvector_14[63:32] == hx)) && ~bvor32(~bvadd64(ix, 3222274048bv32), lx) == 0bv32) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == x [2019-11-20 01:12:51,036 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0b0005f5-00aa-43b2-bb70-b372b7f2a3c9/bin/uautomizer/witness.graphml [2019-11-20 01:12:51,037 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 01:12:51,039 INFO L168 Benchmark]: Toolchain (without parser) took 31566.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 955.1 MB in the beginning and 856.5 MB in the end (delta: 98.6 MB). Peak memory consumption was 261.6 MB. Max. memory is 11.5 GB. [2019-11-20 01:12:51,039 INFO L168 Benchmark]: CDTParser took 0.34 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. [2019-11-20 01:12:51,040 INFO L168 Benchmark]: CACSL2BoogieTranslator took 519.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 955.1 MB in the beginning and 1.2 GB in the end (delta: -196.5 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-11-20 01:12:51,040 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 01:12:51,040 INFO L168 Benchmark]: Boogie Preprocessor took 76.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:12:51,041 INFO L168 Benchmark]: RCFGBuilder took 23533.14 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: 57.7 MB). Peak memory consumption was 57.7 MB. Max. memory is 11.5 GB. [2019-11-20 01:12:51,041 INFO L168 Benchmark]: TraceAbstraction took 7221.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 869.4 MB in the end (delta: 218.0 MB). Peak memory consumption was 218.0 MB. Max. memory is 11.5 GB. [2019-11-20 01:12:51,041 INFO L168 Benchmark]: Witness Printer took 133.16 ms. Allocated memory is still 1.2 GB. Free memory was 869.4 MB in the beginning and 856.5 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2019-11-20 01:12:51,043 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 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 519.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 955.1 MB in the beginning and 1.2 GB in the end (delta: -196.5 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 76.61 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 23533.14 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: 57.7 MB). Peak memory consumption was 57.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7221.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 869.4 MB in the end (delta: 218.0 MB). Peak memory consumption was 218.0 MB. Max. memory is 11.5 GB. * Witness Printer took 133.16 ms. Allocated memory is still 1.2 GB. Free memory was 869.4 MB in the beginning and 856.5 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - 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_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - 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_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - 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_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - 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_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - 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_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - 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_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 237]: 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: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant [2019-11-20 01:12:51,055 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:51,055 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:51,056 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:51,056 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:51,056 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 01:12:51,057 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:51,057 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:51,057 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:51,058 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:51,058 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((((aux-res == 0.0 && __signbit_double(res) == 0-aux && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == \result) && res == ~Pluszero~LONGDOUBLE()) && (\exists v_skolemized_q#valueAsBitvector_14 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) == x && v_skolemized_q#valueAsBitvector_14[63:32] == hx)) && ~bvor32(~bvadd64(ix, 3222274048bv32), lx) == 0bv32) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == x - InvariantResult [Line: 158]: Loop Invariant [2019-11-20 01:12:51,059 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 01:12:51,059 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == x - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 155]: Loop Invariant [2019-11-20 01:12:51,060 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:51,060 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:51,060 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:51,060 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:51,061 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 01:12:51,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:51,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:51,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:51,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:51,062 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((~Pluszero~LONGDOUBLE() == \result && (\exists v_skolemized_q#valueAsBitvector_14 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) == x && v_skolemized_q#valueAsBitvector_14[63:32] == hx)) && ~bvor32(~bvadd64(ix, 3222274048bv32), lx) == 0bv32) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == x - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant [2019-11-20 01:12:51,064 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2019-11-20 01:12:51,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2019-11-20 01:12:51,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2019-11-20 01:12:51,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2019-11-20 01:12:51,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:51,066 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:51,066 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:51,066 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:51,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 01:12:51,067 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2019-11-20 01:12:51,068 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2019-11-20 01:12:51,068 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2019-11-20 01:12:51,068 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2019-11-20 01:12:51,068 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:51,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:51,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:51,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:51,069 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((((((\result == 0bv32 && aux-res == 0.0 && __signbit_double(res) == 0-aux) && (\exists v_skolemized_q#valueAsBitvector_16 : bv64 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_16[63:63], v_skolemized_q#valueAsBitvector_16[62:52], v_skolemized_q#valueAsBitvector_16[51:0]) && msw == v_skolemized_q#valueAsBitvector_16[63:32])) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == \result) && res == ~Pluszero~LONGDOUBLE()) && (\exists v_skolemized_q#valueAsBitvector_14 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) == x && v_skolemized_q#valueAsBitvector_14[63:32] == hx)) && ~bvor32(~bvadd64(ix, 3222274048bv32), lx) == 0bv32) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == x - InvariantResult [Line: 166]: Loop Invariant [2019-11-20 01:12:51,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:51,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:51,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:51,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:51,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:51,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:51,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:51,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:51,072 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 01:12:51,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:51,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:51,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:51,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:51,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:51,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:51,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:51,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-20 01:12:51,074 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((\exists v_skolemized_q#valueAsBitvector_14 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) == x && ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_14[63:32]) == ix) && (\exists v_skolemized_q#valueAsBitvector_14 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) == x && v_skolemized_q#valueAsBitvector_14[63:32] == hx)) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 108 locations, 1 error locations. Result: SAFE, OverallTime: 7.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 207 SDtfs, 211 SDslu, 95 SDs, 0 SdLazy, 45 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 135 GetRequests, 98 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 21 PreInvPairs, 27 NumberOfFragments, 184 HoareAnnotationTreeSize, 21 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 21 FomulaSimplificationsInter, 144 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 126 ConstructedInterpolants, 20 QuantifiedInterpolants, 7646 SizeOfPredicates, 24 NumberOfNonLiveVariables, 284 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...