/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1270a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 40ef5092 Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1270a_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 a5442749ec7edd830b254e249dd0d9f82d10ae2d ............................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1270a_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 a5442749ec7edd830b254e249dd0d9f82d10ae2d ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. No stderr output. --- Real Ultimate output --- This is Ultimate 0.1.23-40ef509 [2018-09-20 15:06:35,230 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:06:35,232 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:06:35,247 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:06:35,248 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:06:35,250 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:06:35,253 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:06:35,255 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:06:35,257 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:06:35,258 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:06:35,259 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:06:35,259 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:06:35,261 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:06:35,262 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:06:35,263 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:06:35,264 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:06:35,265 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:06:35,268 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:06:35,270 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:06:35,272 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:06:35,273 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:06:35,274 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:06:35,277 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:06:35,278 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:06:35,278 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:06:35,279 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:06:35,280 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:06:35,281 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:06:35,282 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:06:35,284 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:06:35,284 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:06:35,285 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:06:35,285 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:06:35,285 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:06:35,287 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:06:35,287 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:06:35,288 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 15:06:35,305 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:06:35,305 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:06:35,306 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:06:35,306 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:06:35,307 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:06:35,307 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:06:35,307 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:06:35,308 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:06:35,308 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:06:35,308 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 15:06:35,308 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:06:35,308 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:06:35,309 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:06:35,309 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:06:35,309 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:06:35,309 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:06:35,309 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:06:35,311 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:06:35,311 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:06:35,311 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:06:35,312 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:06:35,312 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:06:35,312 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:06:35,312 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:06:35,312 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:06:35,313 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:06:35,313 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 15:06:35,314 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:06:35,314 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 15:06:35,314 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> a5442749ec7edd830b254e249dd0d9f82d10ae2d [2018-09-20 15:06:35,373 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:06:35,393 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:06:35,397 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:06:35,399 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:06:35,399 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:06:35,400 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1270a_true-unreach-call.c [2018-09-20 15:06:35,776 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/badc8fc9f/4ce0f127f8074118ab9adb6b3e5b24db/FLAG8a0b6f117 [2018-09-20 15:06:36,030 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:06:36,033 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1270a_true-unreach-call.c [2018-09-20 15:06:36,046 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/badc8fc9f/4ce0f127f8074118ab9adb6b3e5b24db/FLAG8a0b6f117 [2018-09-20 15:06:36,071 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/badc8fc9f/4ce0f127f8074118ab9adb6b3e5b24db [2018-09-20 15:06:36,076 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:06:36,080 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:06:36,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:06:36,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:06:36,094 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:06:36,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:06:36" (1/1) ... [2018-09-20 15:06:36,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fd2fa6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:36, skipping insertion in model container [2018-09-20 15:06:36,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:06:36" (1/1) ... [2018-09-20 15:06:36,112 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:06:36,572 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:06:36,594 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:06:36,712 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:06:36,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:36 WrapperNode [2018-09-20 15:06:36,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:06:36,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:06:36,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:06:36,765 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:06:36,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:36" (1/1) ... [2018-09-20 15:06:36,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:36" (1/1) ... [2018-09-20 15:06:36,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:36" (1/1) ... [2018-09-20 15:06:36,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:36" (1/1) ... [2018-09-20 15:06:36,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:36" (1/1) ... [2018-09-20 15:06:36,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:36" (1/1) ... [2018-09-20 15:06:36,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:36" (1/1) ... [2018-09-20 15:06:36,914 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:06:36,915 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:06:36,915 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:06:36,915 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:06:36,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-09-20 15:06:37,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:06:37,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:06:37,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-09-20 15:06:37,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_hypot [2018-09-20 15:06:37,110 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-09-20 15:06:37,110 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:06:37,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:06:37,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-20 15:06:37,111 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-09-20 15:06:37,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:06:37,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-20 15:06:37,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-20 15:06:37,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:06:37,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-20 15:06:37,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-20 15:06:37,112 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_hypot [2018-09-20 15:06:37,117 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-09-20 15:06:37,118 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:06:37,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:06:37,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:06:37,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-20 15:06:37,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-20 15:06:39,110 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:06:39,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:06:39 BoogieIcfgContainer [2018-09-20 15:06:39,111 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:06:39,113 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:06:39,113 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:06:39,117 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:06:39,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:06:36" (1/3) ... [2018-09-20 15:06:39,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46e9a0ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:06:39, skipping insertion in model container [2018-09-20 15:06:39,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:36" (2/3) ... [2018-09-20 15:06:39,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46e9a0ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:06:39, skipping insertion in model container [2018-09-20 15:06:39,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:06:39" (3/3) ... [2018-09-20 15:06:39,122 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1270a_true-unreach-call.c [2018-09-20 15:06:39,133 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:06:39,144 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:06:39,204 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:06:39,205 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:06:39,206 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:06:39,206 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:06:39,206 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:06:39,206 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:06:39,207 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:06:39,207 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:06:39,208 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:06:39,239 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states. [2018-09-20 15:06:39,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-20 15:06:39,252 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:06:39,253 INFO L376 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] [2018-09-20 15:06:39,256 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:06:39,262 INFO L82 PathProgramCache]: Analyzing trace with hash -694570629, now seen corresponding path program 1 times [2018-09-20 15:06:39,264 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:06:39,265 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:06:39,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:06:39,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:06:39,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:06:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:06:39,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:06:39,443 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:06:39,443 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:06:39,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:06:39,465 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:06:39,466 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:06:39,468 INFO L87 Difference]: Start difference. First operand 322 states. Second operand 2 states. [2018-09-20 15:06:39,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:06:39,542 INFO L93 Difference]: Finished difference Result 636 states and 791 transitions. [2018-09-20 15:06:39,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:06:39,546 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 28 [2018-09-20 15:06:39,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:06:39,567 INFO L225 Difference]: With dead ends: 636 [2018-09-20 15:06:39,568 INFO L226 Difference]: Without dead ends: 318 [2018-09-20 15:06:39,575 INFO L606 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 [2018-09-20 15:06:39,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2018-09-20 15:06:39,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2018-09-20 15:06:39,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2018-09-20 15:06:39,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 349 transitions. [2018-09-20 15:06:39,669 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 349 transitions. Word has length 28 [2018-09-20 15:06:39,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:06:39,670 INFO L480 AbstractCegarLoop]: Abstraction has 318 states and 349 transitions. [2018-09-20 15:06:39,670 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:06:39,670 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 349 transitions. [2018-09-20 15:06:39,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-09-20 15:06:39,682 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:06:39,682 INFO L376 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:06:39,683 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:06:39,683 INFO L82 PathProgramCache]: Analyzing trace with hash 50706239, now seen corresponding path program 1 times [2018-09-20 15:06:39,687 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:06:39,687 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:06:39,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:06:39,688 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:06:39,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:06:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:06:39,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:06:40,037 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 15:06:40,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:06:40 BoogieIcfgContainer [2018-09-20 15:06:40,134 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:06:40,134 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:06:40,135 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:06:40,135 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:06:40,136 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:06:39" (3/4) ... [2018-09-20 15:06:40,142 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 15:06:40,143 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:06:40,145 INFO L168 Benchmark]: Toolchain (without parser) took 4067.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 951.9 MB in the beginning and 1.0 GB in the end (delta: -56.2 MB). Peak memory consumption was 81.7 MB. Max. memory is 11.5 GB. [2018-09-20 15:06:40,148 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:06:40,149 INFO L168 Benchmark]: CACSL2BoogieTranslator took 680.12 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 930.4 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-09-20 15:06:40,150 INFO L168 Benchmark]: Boogie Preprocessor took 149.47 ms. Allocated memory is still 1.0 GB. Free memory is still 930.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:06:40,152 INFO L168 Benchmark]: RCFGBuilder took 2196.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 930.4 MB in the beginning and 1.1 GB in the end (delta: -125.8 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2018-09-20 15:06:40,154 INFO L168 Benchmark]: TraceAbstraction took 1020.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 11.5 GB. [2018-09-20 15:06:40,155 INFO L168 Benchmark]: Witness Printer took 9.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:06:40,162 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 680.12 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 930.4 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 149.47 ms. Allocated memory is still 1.0 GB. Free memory is still 930.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2196.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 930.4 MB in the beginning and 1.1 GB in the end (delta: -125.8 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1020.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 11.5 GB. * Witness Printer took 9.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 322]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 305, overapproximation of someBinaryArithmeticDOUBLEoperation at line 166, overapproximation of bitwiseAnd at line 304. Possible FailurePath: [L15] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; VAL [\old(one_sqrt)=10737418250, \old(tiny_sqrt)=10737418258, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L317] double x = 1.0 / 0.0; [L318] double y = __VERIFIER_nondet_double(); [L319] CALL, EXPR __ieee754_hypot(x, y) VAL [\old(x)=10737418251, \old(y)=10737418259, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L128] double a = x, b = y, t1, t2, y1, y2, w; [L128] double a = x, b = y, t1, t2, y1, y2, w; [L128] double a = x, b = y, t1, t2, y1, y2, w; [L129] __int32_t j, k, ha, hb; VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418251, b=10737418259, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L132] FCALL ieee_double_shape_type gh_u; VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418251, b=10737418259, gh_u={10737418242:0}, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L133] FCALL gh_u.value = (x) VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418251, b=10737418259, gh_u={10737418242:0}, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L134] EXPR, FCALL gh_u.parts.msw VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418251, b=10737418259, gh_u={10737418242:0}, gh_u.parts.msw=6442450944, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L134] (ha) = gh_u.parts.msw VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418251, b=10737418259, gh_u={10737418242:0}, gh_u.parts.msw=6442450944, ha=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L134] FCALL (ha) = gh_u.parts.msw VAL [(ha) = gh_u.parts.msw=10737418252, \old(x)=10737418251, \old(y)=10737418259, a=10737418251, b=10737418259, gh_u={10737418242:0}, gh_u.parts.msw=6442450944, ha=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L135] COND FALSE !(0) VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418251, b=10737418259, ha=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L136] ha &= 0x7fffffff VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418251, b=10737418259, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L138] FCALL ieee_double_shape_type gh_u; VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418251, b=10737418259, gh_u={10737418247:0}, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L139] FCALL gh_u.value = (y) VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418251, b=10737418259, gh_u={10737418247:0}, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L140] EXPR, FCALL gh_u.parts.msw VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418251, b=10737418259, gh_u={10737418247:0}, gh_u.parts.msw=10737418240, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L140] (hb) = gh_u.parts.msw VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418251, b=10737418259, gh_u={10737418247:0}, gh_u.parts.msw=10737418240, hb=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L140] FCALL (hb) = gh_u.parts.msw VAL [(hb) = gh_u.parts.msw=10737418257, \old(x)=10737418251, \old(y)=10737418259, a=10737418251, b=10737418259, gh_u={10737418247:0}, gh_u.parts.msw=10737418240, hb=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L141] COND FALSE !(0) VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418251, b=10737418259, hb=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L142] hb &= 0x7fffffff VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418251, b=10737418259, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L143] COND TRUE hb > ha [L144] a = y [L145] b = x [L146] j = ha [L147] ha = hb [L148] hb = j VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418259, b=10737418251, ha=62914559, hb=-2, j=-2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L154] FCALL ieee_double_shape_type sh_u; VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418259, b=10737418251, ha=62914559, hb=-2, j=-2, one_sqrt=1, sh_u={10737418246:0}, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L155] FCALL sh_u.value = (a) VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418259, b=10737418251, ha=62914559, hb=-2, j=-2, one_sqrt=1, sh_u={10737418246:0}, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L156] FCALL sh_u.parts.msw = (ha) VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418259, b=10737418251, ha=62914559, hb=-2, j=-2, one_sqrt=1, sh_u={10737418246:0}, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L157] EXPR, FCALL sh_u.value VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418259, b=10737418251, ha=62914559, hb=-2, j=-2, one_sqrt=1, sh_u={10737418246:0}, sh_u.value=10737418259, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L157] (a) = sh_u.value VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418259, b=10737418251, ha=62914559, hb=-2, j=-2, one_sqrt=1, sh_u={10737418246:0}, sh_u.value=10737418259, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L157] FCALL (a) = sh_u.value VAL [(a) = sh_u.value=10737418253, \old(x)=10737418251, \old(y)=10737418259, a=10737418259, b=10737418251, ha=62914559, hb=-2, j=-2, one_sqrt=1, sh_u={10737418246:0}, sh_u.value=10737418259, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L157] FCALL (a) = sh_u.value VAL [(a) = sh_u.value=10737418253, (a) = sh_u.value=10737418256, \old(x)=10737418251, \old(y)=10737418259, a=10737418259, b=10737418251, ha=62914559, hb=-2, j=-2, one_sqrt=1, sh_u={10737418246:0}, sh_u.value=10737418259, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L158] COND FALSE !(0) VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418259, b=10737418251, ha=62914559, hb=-2, j=-2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L160] FCALL ieee_double_shape_type sh_u; VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418259, b=10737418251, ha=62914559, hb=-2, j=-2, one_sqrt=1, sh_u={10737418248:0}, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L161] FCALL sh_u.value = (b) VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418259, b=10737418251, ha=62914559, hb=-2, j=-2, one_sqrt=1, sh_u={10737418248:0}, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L162] FCALL sh_u.parts.msw = (hb) VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418259, b=10737418251, ha=62914559, hb=-2, j=-2, one_sqrt=1, sh_u={10737418248:0}, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L163] EXPR, FCALL sh_u.value VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418259, b=10737418251, ha=62914559, hb=-2, j=-2, one_sqrt=1, sh_u={10737418248:0}, sh_u.value=10737418251, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L163] (b) = sh_u.value VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418259, b=10737418251, ha=62914559, hb=-2, j=-2, one_sqrt=1, sh_u={10737418248:0}, sh_u.value=10737418251, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L163] FCALL (b) = sh_u.value VAL [(b) = sh_u.value=10737418245, \old(x)=10737418251, \old(y)=10737418259, a=10737418259, b=10737418251, ha=62914559, hb=-2, j=-2, one_sqrt=1, sh_u={10737418248:0}, sh_u.value=10737418251, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L163] FCALL (b) = sh_u.value VAL [(b) = sh_u.value=10737418249, (b) = sh_u.value=10737418245, \old(x)=10737418251, \old(y)=10737418259, a=10737418259, b=10737418251, ha=62914559, hb=-2, j=-2, one_sqrt=1, sh_u={10737418248:0}, sh_u.value=10737418251, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L164] COND FALSE !(0) VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418259, b=10737418251, ha=62914559, hb=-2, j=-2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L165] COND TRUE (ha - hb) > 0x3c00000 [L166] RET return a + b; VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418259, b=10737418251, ha=62914559, hb=-2, j=-2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L319] EXPR __ieee754_hypot(x, y) VAL [__ieee754_hypot(x, y)=10737418254, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L319] double res = __ieee754_hypot(x, y); [L321] CALL, EXPR isinf_double(res) VAL [\old(x)=10737418254, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L297] __int32_t hx, lx; VAL [\old(x)=10737418254, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418254] [L299] FCALL ieee_double_shape_type ew_u; VAL [\old(x)=10737418254, ew_u={10737418260:0}, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418254] [L300] FCALL ew_u.value = (x) VAL [\old(x)=10737418254, ew_u={10737418260:0}, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418254] [L301] EXPR, FCALL ew_u.parts.msw VAL [\old(x)=10737418254, ew_u={10737418260:0}, ew_u.parts.msw=6442450943, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418254] [L301] (hx) = ew_u.parts.msw VAL [\old(x)=10737418254, ew_u={10737418260:0}, ew_u.parts.msw=6442450943, hx=2147483647, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418254] [L301] FCALL (hx) = ew_u.parts.msw VAL [(hx) = ew_u.parts.msw=10737418243, \old(x)=10737418254, ew_u={10737418260:0}, ew_u.parts.msw=6442450943, hx=2147483647, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418254] [L302] EXPR, FCALL ew_u.parts.lsw VAL [\old(x)=10737418254, ew_u={10737418260:0}, ew_u.parts.lsw=-6442450944, hx=2147483647, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418254] [L302] (lx) = ew_u.parts.lsw VAL [\old(x)=10737418254, ew_u={10737418260:0}, ew_u.parts.lsw=-6442450944, hx=2147483647, lx=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418254] [L302] FCALL (lx) = ew_u.parts.lsw VAL [(lx) = ew_u.parts.lsw=10737418244, \old(x)=10737418254, ew_u={10737418260:0}, ew_u.parts.lsw=-6442450944, hx=2147483647, lx=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418254] [L303] COND FALSE !(0) VAL [\old(x)=10737418254, hx=2147483647, lx=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418254] [L304] hx &= 0x7fffffff [L305] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L306] hx = 0x7ff00000 - hx [L307] RET return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [\old(x)=10737418254, \result=0, hx=2146435073, lx=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418254] [L321] EXPR isinf_double(res) VAL [isinf_double(res)=0, one_sqrt=1, res=10737418254, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L321] COND TRUE !isinf_double(res) [L322] __VERIFIER_error() VAL [one_sqrt=1, res=10737418254, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 322 locations, 1 error locations. UNSAFE Result, 0.9s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 353 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=322occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 729 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: 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 0.1.23-40ef509 [2018-09-20 15:06:42,580 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:06:42,582 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:06:42,605 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:06:42,606 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:06:42,607 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:06:42,608 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:06:42,610 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:06:42,612 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:06:42,613 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:06:42,614 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:06:42,614 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:06:42,616 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:06:42,617 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:06:42,618 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:06:42,619 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:06:42,620 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:06:42,622 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:06:42,625 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:06:42,627 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:06:42,628 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:06:42,630 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:06:42,633 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:06:42,633 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:06:42,633 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:06:42,634 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:06:42,635 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:06:42,637 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:06:42,638 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:06:42,639 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:06:42,641 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:06:42,642 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:06:42,643 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:06:42,643 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:06:42,647 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:06:42,648 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:06:42,648 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 15:06:42,681 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:06:42,683 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:06:42,684 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:06:42,685 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:06:42,685 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:06:42,685 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:06:42,685 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:06:42,686 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:06:42,686 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:06:42,686 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:06:42,686 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:06:42,688 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:06:42,689 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:06:42,689 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:06:42,689 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 15:06:42,689 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 15:06:42,691 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:06:42,692 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:06:42,692 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:06:42,693 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:06:42,693 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:06:42,693 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:06:42,693 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:06:42,693 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:06:42,693 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:06:42,694 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:06:42,694 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:06:42,694 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 15:06:42,694 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:06:42,697 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 15:06:42,697 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 15:06:42,697 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> a5442749ec7edd830b254e249dd0d9f82d10ae2d [2018-09-20 15:06:42,764 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:06:42,785 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:06:42,789 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:06:42,791 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:06:42,791 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:06:42,792 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1270a_true-unreach-call.c [2018-09-20 15:06:43,168 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/954f5b394/fd17b7ed800440d895d5acb4db562e68/FLAG72ab2560f [2018-09-20 15:06:43,390 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:06:43,392 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1270a_true-unreach-call.c [2018-09-20 15:06:43,407 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/954f5b394/fd17b7ed800440d895d5acb4db562e68/FLAG72ab2560f [2018-09-20 15:06:43,435 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/954f5b394/fd17b7ed800440d895d5acb4db562e68 [2018-09-20 15:06:43,440 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:06:43,447 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:06:43,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:06:43,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:06:43,461 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:06:43,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:06:43" (1/1) ... [2018-09-20 15:06:43,466 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a561c97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:43, skipping insertion in model container [2018-09-20 15:06:43,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:06:43" (1/1) ... [2018-09-20 15:06:43,481 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:06:43,810 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:06:43,831 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:06:43,949 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:06:44,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:44 WrapperNode [2018-09-20 15:06:44,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:06:44,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:06:44,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:06:44,012 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:06:44,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:44" (1/1) ... [2018-09-20 15:06:44,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:44" (1/1) ... [2018-09-20 15:06:44,046 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:44" (1/1) ... [2018-09-20 15:06:44,046 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:44" (1/1) ... [2018-09-20 15:06:44,071 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:44" (1/1) ... [2018-09-20 15:06:44,085 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:44" (1/1) ... [2018-09-20 15:06:44,091 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:44" (1/1) ... [2018-09-20 15:06:44,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:06:44,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:06:44,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:06:44,106 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:06:44,107 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-09-20 15:06:44,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:06:44,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:06:44,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-09-20 15:06:44,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_hypot [2018-09-20 15:06:44,271 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-09-20 15:06:44,271 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:06:44,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:06:44,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-20 15:06:44,272 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-09-20 15:06:44,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:06:44,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-20 15:06:44,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-20 15:06:44,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:06:44,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-20 15:06:44,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-20 15:06:44,273 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_hypot [2018-09-20 15:06:44,273 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-09-20 15:06:44,273 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:06:44,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:06:44,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:06:44,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-20 15:06:44,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-20 15:06:44,563 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:06:44,603 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:06:44,647 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:06:45,042 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:06:45,090 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:06:45,138 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:06:49,198 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:06:49,381 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:06:49,573 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:06:49,804 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:06:49,937 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:06:50,059 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:06:50,103 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:06:50,191 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:06:50,681 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:06:50,722 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:06:50,845 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:06:50,886 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:06:50,927 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:06:50,958 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:06:51,432 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:06:51,445 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:06:51,463 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:06:51,488 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:06:51,540 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:06:51,741 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:06:51,882 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:06:51,891 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:06:51,914 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:06:53,170 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:06:53,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:06:53 BoogieIcfgContainer [2018-09-20 15:06:53,170 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:06:53,171 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:06:53,172 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:06:53,176 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:06:53,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:06:43" (1/3) ... [2018-09-20 15:06:53,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e71a9a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:06:53, skipping insertion in model container [2018-09-20 15:06:53,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:44" (2/3) ... [2018-09-20 15:06:53,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e71a9a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:06:53, skipping insertion in model container [2018-09-20 15:06:53,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:06:53" (3/3) ... [2018-09-20 15:06:53,186 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1270a_true-unreach-call.c [2018-09-20 15:06:53,194 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:06:53,202 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:06:53,252 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:06:53,253 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:06:53,254 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:06:53,254 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:06:53,254 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:06:53,254 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:06:53,254 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:06:53,254 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:06:53,255 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:06:53,288 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states. [2018-09-20 15:06:53,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-20 15:06:53,300 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:06:53,301 INFO L376 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] [2018-09-20 15:06:53,304 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:06:53,310 INFO L82 PathProgramCache]: Analyzing trace with hash -1307480282, now seen corresponding path program 1 times [2018-09-20 15:06:53,316 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:06:53,317 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-09-20 15:06:53,330 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:06:53,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:06:53,488 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:06:53,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:06:53,513 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:06:53,531 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:06:53,533 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:06:53,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:06:53,551 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:06:53,552 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:06:53,555 INFO L87 Difference]: Start difference. First operand 321 states. Second operand 2 states. [2018-09-20 15:06:53,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:06:53,635 INFO L93 Difference]: Finished difference Result 634 states and 789 transitions. [2018-09-20 15:06:53,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:06:53,638 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 27 [2018-09-20 15:06:53,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:06:53,656 INFO L225 Difference]: With dead ends: 634 [2018-09-20 15:06:53,656 INFO L226 Difference]: Without dead ends: 317 [2018-09-20 15:06:53,663 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:06:53,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2018-09-20 15:06:53,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2018-09-20 15:06:53,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-09-20 15:06:53,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 348 transitions. [2018-09-20 15:06:53,736 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 348 transitions. Word has length 27 [2018-09-20 15:06:53,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:06:53,737 INFO L480 AbstractCegarLoop]: Abstraction has 317 states and 348 transitions. [2018-09-20 15:06:53,737 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:06:53,737 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 348 transitions. [2018-09-20 15:06:53,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-20 15:06:53,743 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:06:53,743 INFO L376 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:06:53,743 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:06:53,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1824837538, now seen corresponding path program 1 times [2018-09-20 15:06:53,746 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:06:53,746 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-09-20 15:06:53,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:06:53,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:06:54,014 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:06:54,138 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-20 15:06:54,146 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-20 15:06:54,146 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:06:54,153 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:06:54,171 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 15:06:54,172 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 15:06:54,240 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-20 15:06:54,245 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-20 15:06:54,246 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:06:54,250 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:06:54,334 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 15:06:54,334 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 15:06:55,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:06:55,293 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:06:55,312 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:06:55,312 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-20 15:06:55,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-20 15:06:55,314 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-20 15:06:55,315 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2018-09-20 15:06:55,316 INFO L87 Difference]: Start difference. First operand 317 states and 348 transitions. Second operand 11 states. [2018-09-20 15:06:56,576 WARN L178 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-09-20 15:06:57,081 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-20 15:09:01,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:09:01,105 INFO L93 Difference]: Finished difference Result 723 states and 779 transitions. [2018-09-20 15:09:01,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-20 15:09:01,109 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 80 [2018-09-20 15:09:01,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:09:01,120 INFO L225 Difference]: With dead ends: 723 [2018-09-20 15:09:01,124 INFO L226 Difference]: Without dead ends: 657 [2018-09-20 15:09:01,130 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=85, Invalid=377, Unknown=0, NotChecked=0, Total=462 [2018-09-20 15:09:01,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2018-09-20 15:09:01,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 384. [2018-09-20 15:09:01,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2018-09-20 15:09:01,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 420 transitions. [2018-09-20 15:09:01,184 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 420 transitions. Word has length 80 [2018-09-20 15:09:01,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:09:01,185 INFO L480 AbstractCegarLoop]: Abstraction has 384 states and 420 transitions. [2018-09-20 15:09:01,185 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-20 15:09:01,185 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 420 transitions. [2018-09-20 15:09:01,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-20 15:09:01,190 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:09:01,191 INFO L376 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:09:01,191 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:09:01,192 INFO L82 PathProgramCache]: Analyzing trace with hash 1343757280, now seen corresponding path program 1 times [2018-09-20 15:09:01,193 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:09:01,193 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-09-20 15:09:01,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:09:01,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:09:01,567 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:09:01,638 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-20 15:09:01,645 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-20 15:09:01,645 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:09:01,653 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:09:01,705 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 15:09:01,705 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:23 [2018-09-20 15:09:01,837 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-09-20 15:09:02,080 INFO L303 Elim1Store]: Index analysis took 240 ms [2018-09-20 15:09:02,081 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-20 15:09:02,099 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-20 15:09:02,100 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:09:02,141 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:09:02,309 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 15:09:02,310 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:32, output treesize:17 [2018-09-20 15:09:03,013 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2018-09-20 15:09:03,026 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-09-20 15:09:03,027 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:09:03,052 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:09:03,201 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-09-20 15:09:03,202 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:42, output treesize:38 [2018-09-20 15:09:03,472 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-09-20 15:09:03,518 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2018-09-20 15:09:03,558 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:09:03,585 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 24 [2018-09-20 15:09:03,585 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:09:03,691 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:09:03,874 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-09-20 15:09:03,874 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:51, output treesize:47 [2018-09-20 15:09:04,176 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 47 [2018-09-20 15:09:04,193 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:09:04,204 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2018-09-20 15:09:04,205 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:09:04,233 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:09:04,311 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-09-20 15:09:04,312 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:92, output treesize:48 [2018-09-20 15:09:04,858 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-09-20 15:09:04,870 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-09-20 15:09:04,870 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:09:04,886 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:09:04,964 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-09-20 15:09:04,964 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:61, output treesize:57 [2018-09-20 15:09:05,248 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 41 [2018-09-20 15:09:05,264 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:09:05,275 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 22 [2018-09-20 15:09:05,276 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 15:09:05,301 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 15:09:05,370 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-09-20 15:09:05,371 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:102, output treesize:63 [2018-09-20 15:09:08,646 WARN L178 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-09-20 15:09:13,035 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-09-20 15:09:13,556 INFO L682 Elim1Store]: detected equality via solver [2018-09-20 15:09:13,557 INFO L682 Elim1Store]: detected equality via solver [2018-09-20 15:09:13,558 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 35 [2018-09-20 15:09:13,568 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:09:13,589 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2018-09-20 15:09:13,590 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:09:13,616 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:09:13,642 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 15:09:13,643 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:28 [2018-09-20 15:09:15,926 INFO L682 Elim1Store]: detected equality via solver [2018-09-20 15:09:15,927 INFO L682 Elim1Store]: detected equality via solver [2018-09-20 15:09:15,928 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 56 [2018-09-20 15:09:15,944 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:09:15,968 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 52 [2018-09-20 15:09:15,968 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:09:16,028 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:09:16,086 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-20 15:09:16,086 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:63, output treesize:55 [2018-09-20 15:09:17,003 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2018-09-20 15:09:17,010 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:09:17,014 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2018-09-20 15:09:17,015 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:09:17,028 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:09:17,043 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 15:09:17,043 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:44, output treesize:18 [2018-09-20 15:09:24,531 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2018-09-20 15:09:24,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:09:24,660 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:09:24,677 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:09:24,677 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2018-09-20 15:09:24,677 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-09-20 15:09:24,678 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-09-20 15:09:24,678 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2018-09-20 15:09:24,678 INFO L87 Difference]: Start difference. First operand 384 states and 420 transitions. Second operand 28 states. [2018-09-20 15:09:31,168 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 24 [2018-09-20 15:09:32,535 WARN L178 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2018-09-20 15:09:33,439 WARN L178 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2018-09-20 15:09:34,794 WARN L178 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2018-09-20 15:09:36,197 WARN L178 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2018-09-20 15:09:37,462 WARN L178 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2018-09-20 15:09:38,651 WARN L178 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2018-09-20 15:09:40,259 WARN L178 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 46 [2018-09-20 15:09:41,691 WARN L178 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2018-09-20 15:09:43,123 WARN L178 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2018-09-20 15:09:44,928 WARN L178 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2018-09-20 15:09:45,680 WARN L178 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2018-09-20 15:09:53,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-09-20 15:09:53,856 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. No stderr output. at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:225) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:154) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.checkSat(ManagedScript.java:140) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:84) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:858) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:732) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:338) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:381) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1066) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:968) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:188) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:674) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:603) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:472) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:375) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:313) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1427) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 43 more [2018-09-20 15:09:53,860 INFO L168 Benchmark]: Toolchain (without parser) took 190419.33 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 290.5 MB). Free memory was 951.8 MB in the beginning and 1.2 GB in the end (delta: -292.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:09:53,862 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:09:53,862 INFO L168 Benchmark]: CACSL2BoogieTranslator took 560.33 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 930.4 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-09-20 15:09:53,863 INFO L168 Benchmark]: Boogie Preprocessor took 91.47 ms. Allocated memory is still 1.0 GB. Free memory was 930.4 MB in the beginning and 925.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-09-20 15:09:53,863 INFO L168 Benchmark]: RCFGBuilder took 9066.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 925.0 MB in the beginning and 1.1 GB in the end (delta: -128.6 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. [2018-09-20 15:09:53,864 INFO L168 Benchmark]: TraceAbstraction took 180688.18 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 142.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -191.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:09:53,869 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 560.33 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 930.4 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 91.47 ms. Allocated memory is still 1.0 GB. Free memory was 930.4 MB in the beginning and 925.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 9066.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 925.0 MB in the beginning and 1.1 GB in the end (delta: -128.6 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 180688.18 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 142.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -191.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. No stderr output. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. No stderr output.: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...