./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0270b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ec29f71c-02d9-4c8e-82a7-e428f8cfc362/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ec29f71c-02d9-4c8e-82a7-e428f8cfc362/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ec29f71c-02d9-4c8e-82a7-e428f8cfc362/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ec29f71c-02d9-4c8e-82a7-e428f8cfc362/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0270b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ec29f71c-02d9-4c8e-82a7-e428f8cfc362/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ec29f71c-02d9-4c8e-82a7-e428f8cfc362/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 e244339627025cb250c22854e0eaa32467bc4188 ............................................................................................................................................................................................................................................................................................ 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_ec29f71c-02d9-4c8e-82a7-e428f8cfc362/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ec29f71c-02d9-4c8e-82a7-e428f8cfc362/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ec29f71c-02d9-4c8e-82a7-e428f8cfc362/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ec29f71c-02d9-4c8e-82a7-e428f8cfc362/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0270b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ec29f71c-02d9-4c8e-82a7-e428f8cfc362/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ec29f71c-02d9-4c8e-82a7-e428f8cfc362/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 e244339627025cb250c22854e0eaa32467bc4188 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:46:54,192 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:46:54,194 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:46:54,205 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:46:54,205 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:46:54,206 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:46:54,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:46:54,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:46:54,211 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:46:54,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:46:54,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:46:54,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:46:54,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:46:54,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:46:54,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:46:54,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:46:54,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:46:54,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:46:54,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:46:54,224 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:46:54,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:46:54,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:46:54,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:46:54,229 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:46:54,231 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:46:54,232 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:46:54,232 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:46:54,233 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:46:54,234 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:46:54,235 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:46:54,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:46:54,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:46:54,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:46:54,237 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:46:54,238 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:46:54,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:46:54,239 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:46:54,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:46:54,240 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:46:54,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:46:54,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:46:54,242 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ec29f71c-02d9-4c8e-82a7-e428f8cfc362/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:46:54,255 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:46:54,255 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:46:54,256 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:46:54,256 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:46:54,256 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:46:54,257 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:46:54,257 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:46:54,257 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:46:54,257 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:46:54,258 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:46:54,258 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:46:54,258 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:46:54,258 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:46:54,259 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:46:54,259 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:46:54,259 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:46:54,259 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:46:54,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:46:54,260 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:46:54,260 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:46:54,260 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:46:54,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:46:54,261 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:46:54,261 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:46:54,261 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:46:54,261 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:46:54,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:46:54,262 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:46:54,262 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_ec29f71c-02d9-4c8e-82a7-e428f8cfc362/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 -> e244339627025cb250c22854e0eaa32467bc4188 [2019-11-25 08:46:54,406 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:46:54,416 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:46:54,419 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:46:54,420 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:46:54,421 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:46:54,422 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ec29f71c-02d9-4c8e-82a7-e428f8cfc362/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0270b.c [2019-11-25 08:46:54,472 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ec29f71c-02d9-4c8e-82a7-e428f8cfc362/bin/uautomizer/data/4e962b27b/c5721ffba0ba4fc580962d4868bfc80a/FLAG99e83ba22 [2019-11-25 08:46:54,895 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:46:54,896 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ec29f71c-02d9-4c8e-82a7-e428f8cfc362/sv-benchmarks/c/float-newlib/float_req_bl_0270b.c [2019-11-25 08:46:54,906 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ec29f71c-02d9-4c8e-82a7-e428f8cfc362/bin/uautomizer/data/4e962b27b/c5721ffba0ba4fc580962d4868bfc80a/FLAG99e83ba22 [2019-11-25 08:46:54,921 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ec29f71c-02d9-4c8e-82a7-e428f8cfc362/bin/uautomizer/data/4e962b27b/c5721ffba0ba4fc580962d4868bfc80a [2019-11-25 08:46:54,925 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:46:54,926 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:46:54,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:46:54,931 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:46:54,934 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:46:54,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:46:54" (1/1) ... [2019-11-25 08:46:54,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bbbf282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:54, skipping insertion in model container [2019-11-25 08:46:54,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:46:54" (1/1) ... [2019-11-25 08:46:54,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:46:54,984 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:46:55,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:46:55,370 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:46:55,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:46:55,430 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:46:55,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:55 WrapperNode [2019-11-25 08:46:55,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:46:55,432 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:46:55,432 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:46:55,432 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:46:55,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:55" (1/1) ... [2019-11-25 08:46:55,452 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:55" (1/1) ... [2019-11-25 08:46:55,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:46:55,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:46:55,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:46:55,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:46:55,499 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:55" (1/1) ... [2019-11-25 08:46:55,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:55" (1/1) ... [2019-11-25 08:46:55,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:55" (1/1) ... [2019-11-25 08:46:55,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:55" (1/1) ... [2019-11-25 08:46:55,533 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:55" (1/1) ... [2019-11-25 08:46:55,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:55" (1/1) ... [2019-11-25 08:46:55,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:55" (1/1) ... [2019-11-25 08:46:55,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:46:55,547 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:46:55,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:46:55,548 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:46:55,549 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ec29f71c-02d9-4c8e-82a7-e428f8cfc362/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 [2019-11-25 08:46:55,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:46:55,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-25 08:46:55,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:46:55,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-25 08:46:55,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:46:55,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:46:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 08:46:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:46:56,177 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:46:56,177 INFO L284 CfgBuilder]: Removed 30 assume(true) statements. [2019-11-25 08:46:56,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:46:56 BoogieIcfgContainer [2019-11-25 08:46:56,178 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:46:56,179 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:46:56,179 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:46:56,183 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:46:56,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:46:54" (1/3) ... [2019-11-25 08:46:56,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58a95c55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:46:56, skipping insertion in model container [2019-11-25 08:46:56,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:55" (2/3) ... [2019-11-25 08:46:56,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58a95c55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:46:56, skipping insertion in model container [2019-11-25 08:46:56,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:46:56" (3/3) ... [2019-11-25 08:46:56,187 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270b.c [2019-11-25 08:46:56,197 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:46:56,204 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:46:56,216 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:46:56,239 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:46:56,240 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:46:56,240 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:46:56,240 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:46:56,240 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:46:56,241 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:46:56,241 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:46:56,241 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:46:56,257 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2019-11-25 08:46:56,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-25 08:46:56,263 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:46:56,264 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:46:56,264 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:46:56,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:56,270 INFO L82 PathProgramCache]: Analyzing trace with hash -1900514974, now seen corresponding path program 1 times [2019-11-25 08:46:56,278 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:56,279 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882819774] [2019-11-25 08:46:56,279 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:56,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:46:56,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:46:56,400 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882819774] [2019-11-25 08:46:56,401 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:46:56,401 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:46:56,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674399780] [2019-11-25 08:46:56,406 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-25 08:46:56,406 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:46:56,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:46:56,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:46:56,421 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 2 states. [2019-11-25 08:46:56,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:46:56,444 INFO L93 Difference]: Finished difference Result 118 states and 192 transitions. [2019-11-25 08:46:56,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:46:56,445 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-11-25 08:46:56,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:46:56,456 INFO L225 Difference]: With dead ends: 118 [2019-11-25 08:46:56,456 INFO L226 Difference]: Without dead ends: 57 [2019-11-25 08:46:56,459 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 [2019-11-25 08:46:56,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-25 08:46:56,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-25 08:46:56,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-25 08:46:56,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 75 transitions. [2019-11-25 08:46:56,496 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 75 transitions. Word has length 9 [2019-11-25 08:46:56,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:46:56,496 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 75 transitions. [2019-11-25 08:46:56,496 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-25 08:46:56,496 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2019-11-25 08:46:56,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-25 08:46:56,497 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:46:56,497 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:46:56,497 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:46:56,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:56,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1487835839, now seen corresponding path program 1 times [2019-11-25 08:46:56,498 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:56,498 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963553014] [2019-11-25 08:46:56,498 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:56,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:56,578 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:46:56,578 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-25 08:46:56,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:46:56 BoogieIcfgContainer [2019-11-25 08:46:56,612 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:46:56,613 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:46:56,613 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:46:56,613 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:46:56,614 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:46:56" (3/4) ... [2019-11-25 08:46:56,617 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:46:56,617 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:46:56,619 INFO L168 Benchmark]: Toolchain (without parser) took 1692.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 188.2 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -162.5 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:46:56,620 INFO L168 Benchmark]: CDTParser took 0.25 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. [2019-11-25 08:46:56,620 INFO L168 Benchmark]: CACSL2BoogieTranslator took 501.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 188.2 MB). Free memory was 948.7 MB in the beginning and 1.2 GB in the end (delta: -229.2 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:46:56,621 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:46:56,622 INFO L168 Benchmark]: Boogie Preprocessor took 60.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:46:56,622 INFO L168 Benchmark]: RCFGBuilder took 631.19 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: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:46:56,623 INFO L168 Benchmark]: TraceAbstraction took 433.24 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:46:56,623 INFO L168 Benchmark]: Witness Printer took 4.45 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. [2019-11-25 08:46:56,626 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 501.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 188.2 MB). Free memory was 948.7 MB in the beginning and 1.2 GB in the end (delta: -229.2 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 631.19 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: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 433.24 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Witness Printer took 4.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 198]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 197, overapproximation of someUnaryDOUBLEoperation at line 111, overapproximation of bitwiseAnd at line 125, overapproximation of someUnaryFLOAToperation at line 109, overapproximation of someBinaryArithmeticFLOAToperation at line 128. Possible FailurePath: [L24] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L107-L115] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L193] float x = 0.0f; [L118] float t, w, p, q, c, r, s; [L119] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L121] ieee_float_shape_type gf_u; [L122] gf_u.value = (x) [L123] EXPR gf_u.word [L123] (hx) = gf_u.word [L125] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L126] COND TRUE ix == 0x3f800000 [L128] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L194] float res = __ieee754_asinf(x); [L197] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L197] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L198] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 78 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=60occurred 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, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 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 0.1.24-6b5699a [2019-11-25 08:46:58,542 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:46:58,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:46:58,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-25 08:46:58,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:46:58,568 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:46:58,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:46:58,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:46:58,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:46:58,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:46:58,573 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:46:58,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:46:58,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:46:58,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:46:58,578 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:46:58,579 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:46:58,586 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-25 08:46:58,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:46:58,592 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:46:58,593 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:46:58,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:46:58,596 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:46:58,597 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:46:58,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:46:58,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:46:58,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:46:58,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:46:58,602 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:46:58,603 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ec29f71c-02d9-4c8e-82a7-e428f8cfc362/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 08:46:58,622 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:46:58,623 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:46:58,624 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:46:58,625 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:46:58,625 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:46:58,625 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:46:58,626 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:46:58,626 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:46:58,626 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:46:58,626 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:46:58,627 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:46:58,628 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:46:58,628 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 08:46:58,628 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 08:46:58,628 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 08:46:58,629 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:46:58,629 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:46:58,629 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:46:58,630 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:46:58,630 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:46:58,630 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:46:58,630 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:46:58,631 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:46:58,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:46:58,631 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:46:58,631 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:46:58,632 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:46:58,632 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 08:46:58,632 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 08:46:58,632 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:46:58,633 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 08:46:58,633 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_ec29f71c-02d9-4c8e-82a7-e428f8cfc362/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 -> e244339627025cb250c22854e0eaa32467bc4188 [2019-11-25 08:46:58,906 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:46:58,916 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:46:58,919 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:46:58,921 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:46:58,921 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:46:58,922 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ec29f71c-02d9-4c8e-82a7-e428f8cfc362/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0270b.c [2019-11-25 08:46:58,975 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ec29f71c-02d9-4c8e-82a7-e428f8cfc362/bin/uautomizer/data/8cdf9ef08/ef7707b77cfe4cd1ac071c72ad7976ed/FLAG5266ed6e0 [2019-11-25 08:46:59,333 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:46:59,334 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ec29f71c-02d9-4c8e-82a7-e428f8cfc362/sv-benchmarks/c/float-newlib/float_req_bl_0270b.c [2019-11-25 08:46:59,343 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ec29f71c-02d9-4c8e-82a7-e428f8cfc362/bin/uautomizer/data/8cdf9ef08/ef7707b77cfe4cd1ac071c72ad7976ed/FLAG5266ed6e0 [2019-11-25 08:46:59,709 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ec29f71c-02d9-4c8e-82a7-e428f8cfc362/bin/uautomizer/data/8cdf9ef08/ef7707b77cfe4cd1ac071c72ad7976ed [2019-11-25 08:46:59,712 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:46:59,713 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:46:59,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:46:59,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:46:59,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:46:59,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:46:59" (1/1) ... [2019-11-25 08:46:59,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f7bca73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:59, skipping insertion in model container [2019-11-25 08:46:59,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:46:59" (1/1) ... [2019-11-25 08:46:59,731 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:46:59,762 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:46:59,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:47:00,003 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:47:00,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:47:00,148 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:47:00,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:00 WrapperNode [2019-11-25 08:47:00,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:47:00,149 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:47:00,150 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:47:00,151 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:47:00,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:00" (1/1) ... [2019-11-25 08:47:00,173 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:00" (1/1) ... [2019-11-25 08:47:00,208 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:47:00,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:47:00,209 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:47:00,209 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:47:00,218 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:00" (1/1) ... [2019-11-25 08:47:00,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:00" (1/1) ... [2019-11-25 08:47:00,224 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:00" (1/1) ... [2019-11-25 08:47:00,225 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:00" (1/1) ... [2019-11-25 08:47:00,239 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:00" (1/1) ... [2019-11-25 08:47:00,246 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:00" (1/1) ... [2019-11-25 08:47:00,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:00" (1/1) ... [2019-11-25 08:47:00,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:47:00,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:47:00,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:47:00,259 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:47:00,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ec29f71c-02d9-4c8e-82a7-e428f8cfc362/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 [2019-11-25 08:47:00,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:47:00,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-25 08:47:00,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-25 08:47:00,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:47:00,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:47:00,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-25 08:47:00,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-25 08:47:00,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:47:10,558 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:47:10,558 INFO L284 CfgBuilder]: Removed 30 assume(true) statements. [2019-11-25 08:47:10,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:47:10 BoogieIcfgContainer [2019-11-25 08:47:10,559 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:47:10,560 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:47:10,560 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:47:10,563 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:47:10,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:46:59" (1/3) ... [2019-11-25 08:47:10,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55f6c386 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:47:10, skipping insertion in model container [2019-11-25 08:47:10,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:00" (2/3) ... [2019-11-25 08:47:10,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55f6c386 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:47:10, skipping insertion in model container [2019-11-25 08:47:10,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:47:10" (3/3) ... [2019-11-25 08:47:10,574 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270b.c [2019-11-25 08:47:10,580 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:47:10,585 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:47:10,593 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:47:10,614 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:47:10,614 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:47:10,615 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:47:10,615 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:47:10,615 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:47:10,616 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:47:10,616 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:47:10,616 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:47:10,631 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2019-11-25 08:47:10,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-25 08:47:10,637 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:47:10,638 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:47:10,639 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:47:10,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:10,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1900514974, now seen corresponding path program 1 times [2019-11-25 08:47:10,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:47:10,656 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1790574143] [2019-11-25 08:47:10,656 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ec29f71c-02d9-4c8e-82a7-e428f8cfc362/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 [2019-11-25 08:47:11,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:11,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-25 08:47:11,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:47:11,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:47:11,276 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:47:11,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:47:11,280 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1790574143] [2019-11-25 08:47:11,281 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:47:11,281 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-25 08:47:11,282 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203008853] [2019-11-25 08:47:11,286 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-25 08:47:11,286 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 08:47:11,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:47:11,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:47:11,297 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 2 states. [2019-11-25 08:47:11,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:47:11,316 INFO L93 Difference]: Finished difference Result 118 states and 192 transitions. [2019-11-25 08:47:11,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:47:11,317 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-11-25 08:47:11,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:47:11,325 INFO L225 Difference]: With dead ends: 118 [2019-11-25 08:47:11,325 INFO L226 Difference]: Without dead ends: 57 [2019-11-25 08:47:11,328 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:47:11,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-25 08:47:11,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-25 08:47:11,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-25 08:47:11,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 75 transitions. [2019-11-25 08:47:11,361 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 75 transitions. Word has length 9 [2019-11-25 08:47:11,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:47:11,361 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 75 transitions. [2019-11-25 08:47:11,361 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-25 08:47:11,361 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2019-11-25 08:47:11,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-25 08:47:11,362 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:47:11,362 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:47:11,562 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-25 08:47:11,563 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:47:11,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:11,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1487835839, now seen corresponding path program 1 times [2019-11-25 08:47:11,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:47:11,564 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1206841695] [2019-11-25 08:47:11,564 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ec29f71c-02d9-4c8e-82a7-e428f8cfc362/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 [2019-11-25 08:47:12,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:12,193 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-25 08:47:12,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:47:12,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:47:12,252 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:47:12,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:47:12,321 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1206841695] [2019-11-25 08:47:12,321 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:47:12,322 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-25 08:47:12,322 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750382446] [2019-11-25 08:47:12,323 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-25 08:47:12,323 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 08:47:12,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-25 08:47:12,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:47:12,324 INFO L87 Difference]: Start difference. First operand 57 states and 75 transitions. Second operand 8 states. [2019-11-25 08:47:13,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:47:13,506 INFO L93 Difference]: Finished difference Result 104 states and 135 transitions. [2019-11-25 08:47:13,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:47:13,507 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 10 [2019-11-25 08:47:13,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:47:13,508 INFO L225 Difference]: With dead ends: 104 [2019-11-25 08:47:13,508 INFO L226 Difference]: Without dead ends: 57 [2019-11-25 08:47:13,509 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-25 08:47:13,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-25 08:47:13,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-25 08:47:13,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-25 08:47:13,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 69 transitions. [2019-11-25 08:47:13,518 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 69 transitions. Word has length 10 [2019-11-25 08:47:13,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:47:13,518 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 69 transitions. [2019-11-25 08:47:13,518 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-25 08:47:13,518 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2019-11-25 08:47:13,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-25 08:47:13,519 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:47:13,519 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:47:13,719 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-25 08:47:13,720 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:47:13,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:13,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1089938183, now seen corresponding path program 1 times [2019-11-25 08:47:13,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:47:13,721 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1544892833] [2019-11-25 08:47:13,721 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ec29f71c-02d9-4c8e-82a7-e428f8cfc362/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 [2019-11-25 08:47:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:14,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-25 08:47:14,221 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:47:14,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:47:14,269 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:47:14,270 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:47:14,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:47:14,317 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1544892833] [2019-11-25 08:47:14,317 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:47:14,317 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2019-11-25 08:47:14,317 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573322847] [2019-11-25 08:47:14,318 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-25 08:47:14,318 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 08:47:14,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-25 08:47:14,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:47:14,319 INFO L87 Difference]: Start difference. First operand 57 states and 69 transitions. Second operand 7 states. [2019-11-25 08:47:14,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:47:14,531 INFO L93 Difference]: Finished difference Result 69 states and 80 transitions. [2019-11-25 08:47:14,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:47:14,532 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2019-11-25 08:47:14,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:47:14,533 INFO L225 Difference]: With dead ends: 69 [2019-11-25 08:47:14,533 INFO L226 Difference]: Without dead ends: 66 [2019-11-25 08:47:14,534 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-11-25 08:47:14,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2019-11-25 08:47:14,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 59. [2019-11-25 08:47:14,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-11-25 08:47:14,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 71 transitions. [2019-11-25 08:47:14,550 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 71 transitions. Word has length 14 [2019-11-25 08:47:14,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:47:14,551 INFO L462 AbstractCegarLoop]: Abstraction has 59 states and 71 transitions. [2019-11-25 08:47:14,551 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-25 08:47:14,552 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2019-11-25 08:47:14,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-25 08:47:14,553 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:47:14,553 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:47:14,773 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-25 08:47:14,773 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:47:14,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:14,774 INFO L82 PathProgramCache]: Analyzing trace with hash 980104924, now seen corresponding path program 1 times [2019-11-25 08:47:14,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:47:14,774 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1024940237] [2019-11-25 08:47:14,775 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ec29f71c-02d9-4c8e-82a7-e428f8cfc362/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 [2019-11-25 08:47:15,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:15,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-25 08:47:15,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:47:15,332 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:47:15,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:47:15,379 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:47:15,381 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:47:15,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:47:15,589 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1024940237] [2019-11-25 08:47:15,589 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:47:15,589 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 14 [2019-11-25 08:47:15,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163549711] [2019-11-25 08:47:15,590 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-25 08:47:15,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 08:47:15,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-25 08:47:15,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2019-11-25 08:47:15,591 INFO L87 Difference]: Start difference. First operand 59 states and 71 transitions. Second operand 14 states. [2019-11-25 08:47:16,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:47:16,059 INFO L93 Difference]: Finished difference Result 66 states and 77 transitions. [2019-11-25 08:47:16,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-25 08:47:16,060 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2019-11-25 08:47:16,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:47:16,061 INFO L225 Difference]: With dead ends: 66 [2019-11-25 08:47:16,062 INFO L226 Difference]: Without dead ends: 57 [2019-11-25 08:47:16,062 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2019-11-25 08:47:16,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-25 08:47:16,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-25 08:47:16,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-25 08:47:16,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 68 transitions. [2019-11-25 08:47:16,074 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 68 transitions. Word has length 18 [2019-11-25 08:47:16,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:47:16,075 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 68 transitions. [2019-11-25 08:47:16,075 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-25 08:47:16,075 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 68 transitions. [2019-11-25 08:47:16,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-25 08:47:16,077 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:47:16,077 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:47:16,292 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-25 08:47:16,293 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:47:16,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:16,294 INFO L82 PathProgramCache]: Analyzing trace with hash -1296197232, now seen corresponding path program 1 times [2019-11-25 08:47:16,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:47:16,295 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [247852969] [2019-11-25 08:47:16,295 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ec29f71c-02d9-4c8e-82a7-e428f8cfc362/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 [2019-11-25 08:47:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:18,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-25 08:47:18,357 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:47:18,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:47:18,414 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:47:18,867 WARN L192 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2019-11-25 08:47:19,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:47:19,034 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [247852969] [2019-11-25 08:47:19,034 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:47:19,034 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-11-25 08:47:19,035 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032628629] [2019-11-25 08:47:19,035 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:47:19,035 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 08:47:19,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:47:19,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:47:19,036 INFO L87 Difference]: Start difference. First operand 57 states and 68 transitions. Second operand 6 states. [2019-11-25 08:47:19,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:47:19,128 INFO L93 Difference]: Finished difference Result 57 states and 68 transitions. [2019-11-25 08:47:19,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:47:19,130 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-11-25 08:47:19,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:47:19,130 INFO L225 Difference]: With dead ends: 57 [2019-11-25 08:47:19,131 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:47:19,131 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:47:19,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:47:19,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:47:19,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:47:19,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:47:19,132 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2019-11-25 08:47:19,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:47:19,132 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:47:19,132 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:47:19,132 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:47:19,132 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:47:19,333 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-25 08:47:19,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-25 08:47:19,537 INFO L444 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2019-11-25 08:47:19,537 INFO L440 ceAbstractionStarter]: At program point L85-2(lines 85 89) the Hoare annotation is: false [2019-11-25 08:47:19,537 INFO L444 ceAbstractionStarter]: For program point L85-3(lines 85 89) no Hoare annotation was computed. [2019-11-25 08:47:19,537 INFO L444 ceAbstractionStarter]: For program point L168(lines 168 172) no Hoare annotation was computed. [2019-11-25 08:47:19,537 INFO L444 ceAbstractionStarter]: For program point L168-1(lines 160 178) no Hoare annotation was computed. [2019-11-25 08:47:19,537 INFO L444 ceAbstractionStarter]: For program point L168-2(lines 168 172) no Hoare annotation was computed. [2019-11-25 08:47:19,537 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-25 08:47:19,537 INFO L447 ceAbstractionStarter]: At program point L202(lines 185 203) the Hoare annotation is: true [2019-11-25 08:47:19,538 INFO L444 ceAbstractionStarter]: For program point L120-1(lines 120 124) no Hoare annotation was computed. [2019-11-25 08:47:19,538 INFO L440 ceAbstractionStarter]: At program point L120-2(lines 120 124) the Hoare annotation is: (and (= ULTIMATE.start___ieee754_asinf_~x (_ +zero 8 24)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)) ~one_asin~0) (= currentRoundingMode roundNearestTiesToEven) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)) ~huge_asin~0)) [2019-11-25 08:47:19,538 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 55) no Hoare annotation was computed. [2019-11-25 08:47:19,538 INFO L444 ceAbstractionStarter]: For program point L120-3(lines 120 124) no Hoare annotation was computed. [2019-11-25 08:47:19,538 INFO L440 ceAbstractionStarter]: At program point L21(lines 12 22) the Hoare annotation is: (and (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))) (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)))) (= (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~0) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~0) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~0)) (_ +zero 8 24)) (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (= ULTIMATE.start___ieee754_asinf_~x (_ +zero 8 24)) (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) (= |ULTIMATE.start___signbit_float_#res| (_ bv0 32)) |ULTIMATE.start_main_#t~short21| (= |ULTIMATE.start___ieee754_asinf_#res| (_ +zero 8 24))) [2019-11-25 08:47:19,538 INFO L444 ceAbstractionStarter]: For program point L54-2(lines 54 55) no Hoare annotation was computed. [2019-11-25 08:47:19,538 INFO L440 ceAbstractionStarter]: At program point L104(lines 92 105) the Hoare annotation is: false [2019-11-25 08:47:19,538 INFO L444 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2019-11-25 08:47:19,539 INFO L444 ceAbstractionStarter]: For program point L73(lines 73 82) no Hoare annotation was computed. [2019-11-25 08:47:19,539 INFO L440 ceAbstractionStarter]: At program point L90(lines 26 91) the Hoare annotation is: false [2019-11-25 08:47:19,539 INFO L444 ceAbstractionStarter]: For program point L41(lines 41 42) no Hoare annotation was computed. [2019-11-25 08:47:19,539 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-25 08:47:19,539 INFO L444 ceAbstractionStarter]: For program point L157(lines 157 178) no Hoare annotation was computed. [2019-11-25 08:47:19,539 INFO L444 ceAbstractionStarter]: For program point L157-2(lines 117 183) no Hoare annotation was computed. [2019-11-25 08:47:19,539 INFO L444 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-11-25 08:47:19,539 INFO L444 ceAbstractionStarter]: For program point L43(lines 43 44) no Hoare annotation was computed. [2019-11-25 08:47:19,539 INFO L444 ceAbstractionStarter]: For program point L126(lines 126 146) no Hoare annotation was computed. [2019-11-25 08:47:19,539 INFO L444 ceAbstractionStarter]: For program point L77(lines 77 80) no Hoare annotation was computed. [2019-11-25 08:47:19,539 INFO L444 ceAbstractionStarter]: For program point L94-1(lines 94 98) no Hoare annotation was computed. [2019-11-25 08:47:19,539 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-25 08:47:19,540 INFO L440 ceAbstractionStarter]: At program point L94-2(lines 94 98) the Hoare annotation is: false [2019-11-25 08:47:19,540 INFO L440 ceAbstractionStarter]: At program point L62-2(lines 62 71) the Hoare annotation is: false [2019-11-25 08:47:19,540 INFO L444 ceAbstractionStarter]: For program point L62-3(lines 26 91) no Hoare annotation was computed. [2019-11-25 08:47:19,540 INFO L444 ceAbstractionStarter]: For program point L129(lines 129 146) no Hoare annotation was computed. [2019-11-25 08:47:19,540 INFO L444 ceAbstractionStarter]: For program point L47(lines 47 51) no Hoare annotation was computed. [2019-11-25 08:47:19,540 INFO L444 ceAbstractionStarter]: For program point L47-2(lines 47 51) no Hoare annotation was computed. [2019-11-25 08:47:19,540 INFO L444 ceAbstractionStarter]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2019-11-25 08:47:19,540 INFO L440 ceAbstractionStarter]: At program point L163-2(lines 163 167) the Hoare annotation is: false [2019-11-25 08:47:19,540 INFO L444 ceAbstractionStarter]: For program point L64(lines 64 68) no Hoare annotation was computed. [2019-11-25 08:47:19,540 INFO L444 ceAbstractionStarter]: For program point L31-1(lines 31 35) no Hoare annotation was computed. [2019-11-25 08:47:19,540 INFO L444 ceAbstractionStarter]: For program point L64-2(lines 64 68) no Hoare annotation was computed. [2019-11-25 08:47:19,541 INFO L440 ceAbstractionStarter]: At program point L31-2(lines 31 35) the Hoare annotation is: false [2019-11-25 08:47:19,541 INFO L444 ceAbstractionStarter]: For program point L31-3(lines 31 35) no Hoare annotation was computed. [2019-11-25 08:47:19,541 INFO L444 ceAbstractionStarter]: For program point L48-2(lines 48 49) no Hoare annotation was computed. [2019-11-25 08:47:19,541 INFO L444 ceAbstractionStarter]: For program point L15-1(lines 15 19) no Hoare annotation was computed. [2019-11-25 08:47:19,541 INFO L440 ceAbstractionStarter]: At program point L48-3(lines 48 49) the Hoare annotation is: false [2019-11-25 08:47:19,541 INFO L440 ceAbstractionStarter]: At program point L15-2(lines 15 19) the Hoare annotation is: (and (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))) (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)))) (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (= ULTIMATE.start___ieee754_asinf_~x (_ +zero 8 24)) (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) |ULTIMATE.start_main_#t~short21| (= |ULTIMATE.start___ieee754_asinf_#res| (_ +zero 8 24))) [2019-11-25 08:47:19,541 INFO L444 ceAbstractionStarter]: For program point L48-4(lines 48 49) no Hoare annotation was computed. [2019-11-25 08:47:19,541 INFO L444 ceAbstractionStarter]: For program point L15-3(lines 15 19) no Hoare annotation was computed. [2019-11-25 08:47:19,542 INFO L444 ceAbstractionStarter]: For program point L197(line 197) no Hoare annotation was computed. [2019-11-25 08:47:19,542 INFO L444 ceAbstractionStarter]: For program point L131(lines 131 146) no Hoare annotation was computed. [2019-11-25 08:47:19,542 INFO L444 ceAbstractionStarter]: For program point L197-2(lines 197 200) no Hoare annotation was computed. [2019-11-25 08:47:19,542 INFO L444 ceAbstractionStarter]: For program point L131-1(lines 131 146) no Hoare annotation was computed. [2019-11-25 08:47:19,542 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-25 08:47:19,542 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 198) no Hoare annotation was computed. [2019-11-25 08:47:19,542 INFO L444 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2019-11-25 08:47:19,542 INFO L444 ceAbstractionStarter]: For program point L132(lines 132 145) no Hoare annotation was computed. [2019-11-25 08:47:19,542 INFO L444 ceAbstractionStarter]: For program point L99(lines 99 103) no Hoare annotation was computed. [2019-11-25 08:47:19,543 INFO L444 ceAbstractionStarter]: For program point L99-1(lines 92 105) no Hoare annotation was computed. [2019-11-25 08:47:19,543 INFO L444 ceAbstractionStarter]: For program point L99-2(lines 99 103) no Hoare annotation was computed. [2019-11-25 08:47:19,543 INFO L440 ceAbstractionStarter]: At program point L182(lines 117 183) the Hoare annotation is: (and (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))) (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)))) (= ULTIMATE.start___ieee754_asinf_~x (_ +zero 8 24)) (= |ULTIMATE.start___ieee754_asinf_#res| (_ +zero 8 24))) [2019-11-25 08:47:19,543 INFO L444 ceAbstractionStarter]: For program point L133(lines 133 134) no Hoare annotation was computed. [2019-11-25 08:47:19,550 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,551 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,551 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,551 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,556 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,556 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,556 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,556 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,561 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,562 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,562 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,562 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,563 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,563 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,563 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,563 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,564 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:47:19,564 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:47:19,565 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:47:19,565 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:47:19,565 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:47:19,565 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:47:19,566 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:47:19,566 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:47:19,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:47:19,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:47:19,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:47:19,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:47:19,568 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,568 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,568 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,568 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,569 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,569 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,569 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,570 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:47:19 BoogieIcfgContainer [2019-11-25 08:47:19,572 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:47:19,572 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:47:19,572 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:47:19,572 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:47:19,573 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:47:10" (3/4) ... [2019-11-25 08:47:19,576 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:47:19,589 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2019-11-25 08:47:19,589 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-25 08:47:19,589 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:47:19,614 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && x == ~Pluszero~LONGDOUBLE()) && \result == ~Pluszero~LONGDOUBLE() [2019-11-25 08:47:19,615 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && ~Pluszero~LONGDOUBLE() == res) && x == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && \result == ~Pluszero~LONGDOUBLE() [2019-11-25 08:47:19,615 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == res) && x == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && \result == 0bv32) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && \result == ~Pluszero~LONGDOUBLE() [2019-11-25 08:47:19,674 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ec29f71c-02d9-4c8e-82a7-e428f8cfc362/bin/uautomizer/witness.graphml [2019-11-25 08:47:19,675 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:47:19,676 INFO L168 Benchmark]: Toolchain (without parser) took 19963.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 960.4 MB in the beginning and 836.1 MB in the end (delta: 124.3 MB). Peak memory consumption was 245.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:19,676 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:47:19,677 INFO L168 Benchmark]: CACSL2BoogieTranslator took 434.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -156.1 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:19,677 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:19,680 INFO L168 Benchmark]: Boogie Preprocessor took 49.80 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. [2019-11-25 08:47:19,681 INFO L168 Benchmark]: RCFGBuilder took 10300.47 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: 42.4 MB). Peak memory consumption was 42.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:19,681 INFO L168 Benchmark]: TraceAbstraction took 9011.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 842.8 MB in the end (delta: 224.6 MB). Peak memory consumption was 224.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:19,682 INFO L168 Benchmark]: Witness Printer took 102.52 ms. Allocated memory is still 1.2 GB. Free memory was 842.8 MB in the beginning and 836.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:19,684 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 434.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -156.1 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.80 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 10300.47 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: 42.4 MB). Peak memory consumption was 42.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9011.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 842.8 MB in the end (delta: 224.6 MB). Peak memory consumption was 224.6 MB. Max. memory is 11.5 GB. * Witness Printer took 102.52 ms. Allocated memory is still 1.2 GB. Free memory was 842.8 MB in the beginning and 836.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 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[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 198]: 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: 26]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12]: Loop Invariant [2019-11-25 08:47:19,695 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,695 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,695 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,695 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,696 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,696 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,697 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,697 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: (((((((~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == res) && x == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && \result == 0bv32) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && \result == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 117]: Loop Invariant [2019-11-25 08:47:19,697 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,698 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,698 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,698 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,699 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,699 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,699 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,699 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: ((~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && x == ~Pluszero~LONGDOUBLE()) && \result == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 120]: Loop Invariant [2019-11-25 08:47:19,700 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:47:19,700 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:47:19,700 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:47:19,700 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:47:19,701 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:47:19,701 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:47:19,701 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-25 08:47:19,702 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:47:19,702 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:47:19,702 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:47:19,702 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-25 08:47:19,702 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((x == ~Pluszero~LONGDOUBLE() && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == one_asin) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) == huge_asin - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 15]: Loop Invariant [2019-11-25 08:47:19,709 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,709 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,709 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,710 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,712 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,712 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,712 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-25 08:47:19,713 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: (((((~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && ~Pluszero~LONGDOUBLE() == res) && x == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && \result == ~Pluszero~LONGDOUBLE() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 1 error locations. Result: SAFE, OverallTime: 8.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 267 SDtfs, 518 SDslu, 613 SDs, 0 SdLazy, 108 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 169 GetRequests, 129 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred 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, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 18 NumberOfFragments, 152 HoareAnnotationTreeSize, 13 FomulaSimplifications, 78 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 158 ConstructedInterpolants, 13 QuantifiedInterpolants, 15289 SizeOfPredicates, 28 NumberOfNonLiveVariables, 318 ConjunctsInSsa, 37 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! Received shutdown request...