/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0730a_true-unreach-call.c --full-output --architecture 32bit --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5eb3fea6 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_0730a_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 3efba836fbeb3ba7aa9b8335c699a7990ba5f7a9 --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false ............................................................................................................................................................................................................................................................................................................................... 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_0730a_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 3efba836fbeb3ba7aa9b8335c699a7990ba5f7a9 --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false ......................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5eb3fea [2018-09-21 17:53:35,760 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 17:53:35,764 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 17:53:35,780 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 17:53:35,781 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 17:53:35,783 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 17:53:35,784 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 17:53:35,786 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 17:53:35,792 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 17:53:35,793 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 17:53:35,794 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 17:53:35,794 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 17:53:35,797 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 17:53:35,798 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 17:53:35,799 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 17:53:35,807 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 17:53:35,810 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 17:53:35,812 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 17:53:35,814 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 17:53:35,818 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 17:53:35,819 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 17:53:35,821 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 17:53:35,823 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 17:53:35,823 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 17:53:35,824 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 17:53:35,824 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 17:53:35,825 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 17:53:35,826 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 17:53:35,827 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 17:53:35,828 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 17:53:35,828 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 17:53:35,829 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 17:53:35,829 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 17:53:35,830 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 17:53:35,831 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 17:53:35,832 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 17:53:35,832 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-21 17:53:35,847 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 17:53:35,848 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 17:53:35,848 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 17:53:35,849 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 17:53:35,849 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 17:53:35,850 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 17:53:35,850 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 17:53:35,850 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 17:53:35,850 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 17:53:35,851 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-21 17:53:35,851 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 17:53:35,851 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 17:53:35,851 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 17:53:35,851 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 17:53:35,852 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 17:53:35,852 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 17:53:35,852 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 17:53:35,852 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 17:53:35,854 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 17:53:35,854 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 17:53:35,854 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 17:53:35,854 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 17:53:35,854 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 17:53:35,855 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 17:53:35,855 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 17:53:35,855 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 17:53:35,855 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-21 17:53:35,856 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 17:53:35,856 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-21 17:53:35,857 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 -> 3efba836fbeb3ba7aa9b8335c699a7990ba5f7a9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2018-09-21 17:53:35,925 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 17:53:35,937 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 17:53:35,941 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 17:53:35,943 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 17:53:35,943 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 17:53:35,944 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0730a_true-unreach-call.c [2018-09-21 17:53:36,285 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f1c67420/e5d9d52d6ff74afdaee27fd17315cdfb/FLAG1abce414c [2018-09-21 17:53:36,512 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 17:53:36,514 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0730a_true-unreach-call.c [2018-09-21 17:53:36,526 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f1c67420/e5d9d52d6ff74afdaee27fd17315cdfb/FLAG1abce414c [2018-09-21 17:53:36,549 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f1c67420/e5d9d52d6ff74afdaee27fd17315cdfb [2018-09-21 17:53:36,554 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 17:53:36,557 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 17:53:36,559 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 17:53:36,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 17:53:36,565 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 17:53:36,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 05:53:36" (1/1) ... [2018-09-21 17:53:36,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11f9abe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:53:36, skipping insertion in model container [2018-09-21 17:53:36,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 05:53:36" (1/1) ... [2018-09-21 17:53:36,582 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 17:53:36,883 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 17:53:36,899 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-21 17:53:36,933 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 17:53:36,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:53:36 WrapperNode [2018-09-21 17:53:36,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-21 17:53:36,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-21 17:53:36,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-21 17:53:36,984 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-21 17:53:37,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:53:36" (1/1) ... [2018-09-21 17:53:37,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:53:36" (1/1) ... [2018-09-21 17:53:37,015 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:53:36" (1/1) ... [2018-09-21 17:53:37,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:53:36" (1/1) ... [2018-09-21 17:53:37,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:53:36" (1/1) ... [2018-09-21 17:53:37,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:53:36" (1/1) ... [2018-09-21 17:53:37,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:53:36" (1/1) ... [2018-09-21 17:53:37,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-21 17:53:37,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-21 17:53:37,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-21 17:53:37,042 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-21 17:53:37,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:53:36" (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 [2018-09-21 17:53:37,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-21 17:53:37,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-21 17:53:37,210 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-09-21 17:53:37,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-09-21 17:53:37,211 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-09-21 17:53:37,211 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-21 17:53:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-21 17:53:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-21 17:53:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-09-21 17:53:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-09-21 17:53:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-21 17:53:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-21 17:53:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-21 17:53:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-21 17:53:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-21 17:53:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-21 17:53:37,212 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-09-21 17:53:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-21 17:53:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-21 17:53:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-21 17:53:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-21 17:53:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-21 17:53:38,127 INFO L373 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-21 17:53:38,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:53:38 BoogieIcfgContainer [2018-09-21 17:53:38,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-21 17:53:38,129 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-21 17:53:38,129 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-21 17:53:38,132 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-21 17:53:38,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 05:53:36" (1/3) ... [2018-09-21 17:53:38,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7438356f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 05:53:38, skipping insertion in model container [2018-09-21 17:53:38,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:53:36" (2/3) ... [2018-09-21 17:53:38,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7438356f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 05:53:38, skipping insertion in model container [2018-09-21 17:53:38,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:53:38" (3/3) ... [2018-09-21 17:53:38,136 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0730a_true-unreach-call.c [2018-09-21 17:53:38,146 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-21 17:53:38,155 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-21 17:53:38,196 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-21 17:53:38,197 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-21 17:53:38,197 INFO L382 AbstractCegarLoop]: Hoare is false [2018-09-21 17:53:38,197 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-21 17:53:38,197 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-21 17:53:38,197 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-21 17:53:38,198 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-21 17:53:38,198 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-21 17:53:38,198 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-21 17:53:38,218 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2018-09-21 17:53:38,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-21 17:53:38,230 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:53:38,231 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] [2018-09-21 17:53:38,234 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:53:38,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1342917423, now seen corresponding path program 1 times [2018-09-21 17:53:38,245 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-21 17:53:38,245 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-21 17:53:38,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 17:53:38,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:53:38,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 17:53:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:53:38,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 17:53:38,408 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:53:38,409 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-21 17:53:38,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-21 17:53:38,429 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-21 17:53:38,430 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 17:53:38,433 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 2 states. [2018-09-21 17:53:38,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:53:38,458 INFO L93 Difference]: Finished difference Result 103 states and 122 transitions. [2018-09-21 17:53:38,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-21 17:53:38,460 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-09-21 17:53:38,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:53:38,472 INFO L225 Difference]: With dead ends: 103 [2018-09-21 17:53:38,472 INFO L226 Difference]: Without dead ends: 99 [2018-09-21 17:53:38,474 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 [2018-09-21 17:53:38,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-09-21 17:53:38,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-09-21 17:53:38,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-09-21 17:53:38,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 118 transitions. [2018-09-21 17:53:38,521 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 118 transitions. Word has length 22 [2018-09-21 17:53:38,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:53:38,522 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 118 transitions. [2018-09-21 17:53:38,522 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-21 17:53:38,522 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 118 transitions. [2018-09-21 17:53:38,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-21 17:53:38,524 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:53:38,525 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] [2018-09-21 17:53:38,525 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:53:38,525 INFO L82 PathProgramCache]: Analyzing trace with hash -413860329, now seen corresponding path program 1 times [2018-09-21 17:53:38,525 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-21 17:53:38,526 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-21 17:53:38,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 17:53:38,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:53:38,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 17:53:38,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-21 17:53:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-21 17:53:38,716 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-21 17:53:38,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 05:53:38 BoogieIcfgContainer [2018-09-21 17:53:38,786 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-21 17:53:38,787 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-21 17:53:38,787 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-21 17:53:38,787 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-21 17:53:38,787 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:53:38" (3/4) ... [2018-09-21 17:53:38,793 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-21 17:53:38,793 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-21 17:53:38,794 INFO L168 Benchmark]: Toolchain (without parser) took 2238.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 951.8 MB in the beginning and 1.1 GB in the end (delta: -99.7 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. [2018-09-21 17:53:38,796 INFO L168 Benchmark]: CDTParser took 0.18 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. [2018-09-21 17:53:38,797 INFO L168 Benchmark]: CACSL2BoogieTranslator took 424.09 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-21 17:53:38,798 INFO L168 Benchmark]: Boogie Preprocessor took 57.65 ms. Allocated memory is still 1.0 GB. Free memory is still 935.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 17:53:38,798 INFO L168 Benchmark]: RCFGBuilder took 1086.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -143.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2018-09-21 17:53:38,800 INFO L168 Benchmark]: TraceAbstraction took 657.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2018-09-21 17:53:38,801 INFO L168 Benchmark]: Witness Printer took 6.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 17:53:38,806 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 424.09 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 935.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.65 ms. Allocated memory is still 1.0 GB. Free memory is still 935.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1086.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -143.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 657.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * Witness Printer took 6.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 160]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 142, overapproximation of someBinaryArithmeticDOUBLEoperation at line 36, overapproximation of bitwiseAnd at line 141. Possible FailurePath: [L20] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; VAL [\old(one_sqrt)=10737418245, \old(tiny_sqrt)=10737418249, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L155] double x = 1.0 / 0.0; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L156] CALL, EXPR __ieee754_sqrt(x) VAL [\old(x)=10737418246, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L23] double z; [L24] __int32_t sign = 0x80000000; [L25] __uint32_t r, t1, s1, ix1, q1; [L26] __int32_t ix0, s0, q, m, t, i; VAL [\old(x)=10737418246, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418246] [L29] FCALL ieee_double_shape_type ew_u; VAL [\old(x)=10737418246, ew_u={10737418248:0}, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418246] [L30] FCALL ew_u.value = (x) VAL [\old(x)=10737418246, ew_u={10737418248:0}, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418246] [L31] EXPR, FCALL ew_u.parts.msw VAL [\old(x)=10737418246, ew_u={10737418248:0}, ew_u.parts.msw=6442450943, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418246] [L31] (ix0) = ew_u.parts.msw VAL [\old(x)=10737418246, ew_u={10737418248:0}, ew_u.parts.msw=6442450943, ix0=2147483647, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418246] [L31] FCALL (ix0) = ew_u.parts.msw VAL [(ix0) = ew_u.parts.msw=10737418250, \old(x)=10737418246, ew_u={10737418248:0}, ew_u.parts.msw=6442450943, ix0=2147483647, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418246] [L32] EXPR, FCALL ew_u.parts.lsw VAL [\old(x)=10737418246, ew_u={10737418248:0}, ew_u.parts.lsw=10737418251, ix0=2147483647, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418246] [L32] (ix1) = ew_u.parts.lsw VAL [\old(x)=10737418246, ew_u={10737418248:0}, ew_u.parts.lsw=10737418251, ix0=2147483647, ix1=10737418251, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418246] [L32] FCALL (ix1) = ew_u.parts.lsw VAL [(ix1) = ew_u.parts.lsw=10737418243, \old(x)=10737418246, ew_u={10737418248:0}, ew_u.parts.lsw=10737418251, ix0=2147483647, ix1=10737418251, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418246] [L33] COND FALSE !(0) VAL [\old(x)=10737418246, ix0=2147483647, ix1=10737418251, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418246] [L35] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L36] RET return x * x + x; VAL [\old(x)=10737418246, ix0=2147483647, ix1=10737418251, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418246] [L156] EXPR __ieee754_sqrt(x) VAL [__ieee754_sqrt(x)=10737418244, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418246] [L156] double res = __ieee754_sqrt(x); [L159] CALL, EXPR isinf_double(res) VAL [\old(x)=10737418244, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L134] __int32_t hx, lx; VAL [\old(x)=10737418244, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418244] [L136] FCALL ieee_double_shape_type ew_u; VAL [\old(x)=10737418244, ew_u={10737418252:0}, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418244] [L137] FCALL ew_u.value = (x) VAL [\old(x)=10737418244, ew_u={10737418252:0}, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418244] [L138] EXPR, FCALL ew_u.parts.msw VAL [\old(x)=10737418244, ew_u={10737418252:0}, ew_u.parts.msw=3, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418244] [L138] (hx) = ew_u.parts.msw VAL [\old(x)=10737418244, ew_u={10737418252:0}, ew_u.parts.msw=3, hx=3, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418244] [L138] FCALL (hx) = ew_u.parts.msw VAL [(hx) = ew_u.parts.msw=10737418240, \old(x)=10737418244, ew_u={10737418252:0}, ew_u.parts.msw=3, hx=3, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418244] [L139] EXPR, FCALL ew_u.parts.lsw VAL [\old(x)=10737418244, ew_u={10737418252:0}, ew_u.parts.lsw=10737418239, hx=3, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418244] [L139] (lx) = ew_u.parts.lsw VAL [\old(x)=10737418244, ew_u={10737418252:0}, ew_u.parts.lsw=10737418239, hx=3, lx=2147483647, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418244] [L139] FCALL (lx) = ew_u.parts.lsw VAL [(lx) = ew_u.parts.lsw=10737418241, \old(x)=10737418244, ew_u={10737418252:0}, ew_u.parts.lsw=10737418239, hx=3, lx=2147483647, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418244] [L140] COND FALSE !(0) VAL [\old(x)=10737418244, hx=3, lx=2147483647, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418244] [L141] hx &= 0x7fffffff [L142] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L143] hx = 0x7ff00000 - hx [L144] RET return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [\old(x)=10737418244, \result=0, hx=2146435072, lx=2147483647, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418244] [L159] EXPR isinf_double(res) VAL [isinf_double(res)=0, one_sqrt=1, res=10737418244, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418246] [L159] COND TRUE !isinf_double(res) [L160] __VERIFIER_error() VAL [one_sqrt=1, res=10737418244, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418246] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 106 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 122 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=103occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 441 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 0.1.23-5eb3fea [2018-09-21 17:53:41,245 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 17:53:41,247 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 17:53:41,267 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 17:53:41,268 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 17:53:41,269 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 17:53:41,274 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 17:53:41,277 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 17:53:41,279 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 17:53:41,280 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 17:53:41,281 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 17:53:41,281 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 17:53:41,283 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 17:53:41,284 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 17:53:41,285 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 17:53:41,286 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 17:53:41,287 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 17:53:41,289 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 17:53:41,292 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 17:53:41,293 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 17:53:41,294 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 17:53:41,296 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 17:53:41,299 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 17:53:41,299 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 17:53:41,299 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 17:53:41,301 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 17:53:41,302 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 17:53:41,303 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 17:53:41,304 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 17:53:41,305 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 17:53:41,306 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 17:53:41,306 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 17:53:41,307 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 17:53:41,307 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 17:53:41,309 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 17:53:41,309 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 17:53:41,310 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-21 17:53:41,326 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 17:53:41,326 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 17:53:41,327 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 17:53:41,327 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 17:53:41,328 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 17:53:41,328 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 17:53:41,328 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 17:53:41,329 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 17:53:41,329 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 17:53:41,329 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 17:53:41,330 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 17:53:41,330 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 17:53:41,330 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 17:53:41,330 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 17:53:41,330 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-21 17:53:41,330 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-21 17:53:41,331 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 17:53:41,331 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 17:53:41,331 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 17:53:41,331 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 17:53:41,333 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 17:53:41,333 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 17:53:41,333 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 17:53:41,333 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 17:53:41,333 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 17:53:41,334 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 17:53:41,334 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 17:53:41,334 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-21 17:53:41,334 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 17:53:41,335 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-21 17:53:41,335 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-21 17:53:41,336 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 -> 3efba836fbeb3ba7aa9b8335c699a7990ba5f7a9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2018-09-21 17:53:41,389 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 17:53:41,406 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 17:53:41,411 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 17:53:41,413 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 17:53:41,414 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 17:53:41,415 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0730a_true-unreach-call.c [2018-09-21 17:53:41,795 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12019adf5/55d2cfb65a08475dbc4eb8c1a439a66b/FLAG10c023cac [2018-09-21 17:53:41,989 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 17:53:41,990 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0730a_true-unreach-call.c [2018-09-21 17:53:42,000 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12019adf5/55d2cfb65a08475dbc4eb8c1a439a66b/FLAG10c023cac [2018-09-21 17:53:42,016 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12019adf5/55d2cfb65a08475dbc4eb8c1a439a66b [2018-09-21 17:53:42,020 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 17:53:42,023 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 17:53:42,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 17:53:42,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 17:53:42,032 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 17:53:42,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 05:53:42" (1/1) ... [2018-09-21 17:53:42,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ec861e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:53:42, skipping insertion in model container [2018-09-21 17:53:42,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 05:53:42" (1/1) ... [2018-09-21 17:53:42,048 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 17:53:42,410 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 17:53:42,440 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-21 17:53:42,489 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 17:53:42,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:53:42 WrapperNode [2018-09-21 17:53:42,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-21 17:53:42,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-21 17:53:42,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-21 17:53:42,545 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-21 17:53:42,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:53:42" (1/1) ... [2018-09-21 17:53:42,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:53:42" (1/1) ... [2018-09-21 17:53:42,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:53:42" (1/1) ... [2018-09-21 17:53:42,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:53:42" (1/1) ... [2018-09-21 17:53:42,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:53:42" (1/1) ... [2018-09-21 17:53:42,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:53:42" (1/1) ... [2018-09-21 17:53:42,599 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:53:42" (1/1) ... [2018-09-21 17:53:42,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-21 17:53:42,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-21 17:53:42,605 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-21 17:53:42,605 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-21 17:53:42,606 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:53:42" (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 [2018-09-21 17:53:42,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-21 17:53:42,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-21 17:53:42,749 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-09-21 17:53:42,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-09-21 17:53:42,750 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-09-21 17:53:42,750 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-21 17:53:42,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-21 17:53:42,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-21 17:53:42,751 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-09-21 17:53:42,751 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-09-21 17:53:42,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-21 17:53:42,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-21 17:53:42,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-21 17:53:42,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-21 17:53:42,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-21 17:53:42,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-21 17:53:42,754 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-09-21 17:53:42,754 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-21 17:53:42,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-21 17:53:42,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-21 17:53:42,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-21 17:53:42,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-21 17:53:42,995 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:53:43,058 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:53:43,124 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:53:43,412 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:53:43,445 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:53:43,476 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 17:53:47,190 INFO L373 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-21 17:53:47,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:53:47 BoogieIcfgContainer [2018-09-21 17:53:47,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-21 17:53:47,192 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-21 17:53:47,192 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-21 17:53:47,195 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-21 17:53:47,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 05:53:42" (1/3) ... [2018-09-21 17:53:47,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a1646e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 05:53:47, skipping insertion in model container [2018-09-21 17:53:47,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 05:53:42" (2/3) ... [2018-09-21 17:53:47,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a1646e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 05:53:47, skipping insertion in model container [2018-09-21 17:53:47,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:53:47" (3/3) ... [2018-09-21 17:53:47,200 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0730a_true-unreach-call.c [2018-09-21 17:53:47,209 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-21 17:53:47,216 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-21 17:53:47,255 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-21 17:53:47,256 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-21 17:53:47,256 INFO L382 AbstractCegarLoop]: Hoare is false [2018-09-21 17:53:47,257 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-21 17:53:47,257 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-21 17:53:47,257 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-21 17:53:47,257 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-21 17:53:47,257 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-21 17:53:47,258 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-21 17:53:47,276 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states. [2018-09-21 17:53:47,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-21 17:53:47,288 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:53:47,289 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] [2018-09-21 17:53:47,292 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:53:47,297 INFO L82 PathProgramCache]: Analyzing trace with hash -550728172, now seen corresponding path program 1 times [2018-09-21 17:53:47,301 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:53:47,301 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) [2018-09-21 17:53:47,310 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-21 17:53:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:53:47,713 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:53:47,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 17:53:47,732 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:53:47,753 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:53:47,753 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-21 17:53:47,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-21 17:53:47,775 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-21 17:53:47,776 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 17:53:47,781 INFO L87 Difference]: Start difference. First operand 102 states. Second operand 2 states. [2018-09-21 17:53:47,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:53:47,817 INFO L93 Difference]: Finished difference Result 102 states and 121 transitions. [2018-09-21 17:53:47,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-21 17:53:47,818 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-09-21 17:53:47,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:53:47,833 INFO L225 Difference]: With dead ends: 102 [2018-09-21 17:53:47,833 INFO L226 Difference]: Without dead ends: 98 [2018-09-21 17:53:47,835 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 17:53:47,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-09-21 17:53:47,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2018-09-21 17:53:47,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-09-21 17:53:47,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 117 transitions. [2018-09-21 17:53:47,879 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 117 transitions. Word has length 21 [2018-09-21 17:53:47,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:53:47,879 INFO L480 AbstractCegarLoop]: Abstraction has 98 states and 117 transitions. [2018-09-21 17:53:47,880 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-21 17:53:47,880 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 117 transitions. [2018-09-21 17:53:47,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-21 17:53:47,883 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:53:47,883 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] [2018-09-21 17:53:47,883 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:53:47,884 INFO L82 PathProgramCache]: Analyzing trace with hash 1718895689, now seen corresponding path program 1 times [2018-09-21 17:53:47,885 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:53:47,886 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) [2018-09-21 17:53:47,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-09-21 17:53:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:53:48,410 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:53:57,206 WARN L178 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 6 [2018-09-21 17:54:04,935 INFO L682 Elim1Store]: detected equality via solver [2018-09-21 17:54:04,937 INFO L682 Elim1Store]: detected equality via solver [2018-09-21 17:54:04,944 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 [2018-09-21 17:54:04,957 INFO L700 Elim1Store]: detected not equals via solver [2018-09-21 17:54:04,977 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 [2018-09-21 17:54:04,978 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:54:05,002 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:54:05,027 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. [2018-09-21 17:54:05,027 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:28 [2018-09-21 17:54:12,088 INFO L682 Elim1Store]: detected equality via solver [2018-09-21 17:54:12,089 INFO L682 Elim1Store]: detected equality via solver [2018-09-21 17:54:12,091 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 [2018-09-21 17:54:12,104 INFO L700 Elim1Store]: detected not equals via solver [2018-09-21 17:54:12,122 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 [2018-09-21 17:54:12,123 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:54:12,167 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:54:12,228 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. [2018-09-21 17:54:12,229 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:63, output treesize:55 [2018-09-21 17:54:14,889 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 [2018-09-21 17:54:14,895 INFO L700 Elim1Store]: detected not equals via solver [2018-09-21 17:54:14,929 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 [2018-09-21 17:54:14,930 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:54:15,033 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:54:15,136 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. [2018-09-21 17:54:15,137 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:44, output treesize:18 [2018-09-21 17:54:27,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 17:54:27,232 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:54:27,252 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:54:27,252 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-09-21 17:54:27,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-09-21 17:54:27,256 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-09-21 17:54:27,259 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=173, Unknown=8, NotChecked=0, Total=210 [2018-09-21 17:54:27,259 INFO L87 Difference]: Start difference. First operand 98 states and 117 transitions. Second operand 15 states. [2018-09-21 17:54:52,863 WARN L178 SmtUtils]: Spent 3.01 s on a formula simplification that was a NOOP. DAG size: 9 [2018-09-21 17:55:26,771 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-09-21 17:55:44,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:55:44,719 INFO L93 Difference]: Finished difference Result 105 states and 124 transitions. [2018-09-21 17:55:44,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-21 17:55:44,721 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 47 [2018-09-21 17:55:44,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:55:44,725 INFO L225 Difference]: With dead ends: 105 [2018-09-21 17:55:44,726 INFO L226 Difference]: Without dead ends: 100 [2018-09-21 17:55:44,727 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 70.1s TimeCoverageRelationStatistics Valid=109, Invalid=636, Unknown=11, NotChecked=0, Total=756 [2018-09-21 17:55:44,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-09-21 17:55:44,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 98. [2018-09-21 17:55:44,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-09-21 17:55:44,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 116 transitions. [2018-09-21 17:55:44,744 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 116 transitions. Word has length 47 [2018-09-21 17:55:44,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:55:44,744 INFO L480 AbstractCegarLoop]: Abstraction has 98 states and 116 transitions. [2018-09-21 17:55:44,744 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-09-21 17:55:44,744 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 116 transitions. [2018-09-21 17:55:44,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-21 17:55:44,747 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 17:55:44,748 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] [2018-09-21 17:55:44,748 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 17:55:44,748 INFO L82 PathProgramCache]: Analyzing trace with hash -1496742675, now seen corresponding path program 1 times [2018-09-21 17:55:44,749 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 17:55:44,749 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 [2018-09-21 17:55:44,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 17:55:44,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 17:55:44,851 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 17:55:44,885 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 [2018-09-21 17:55:44,891 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 [2018-09-21 17:55:44,892 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:55:44,898 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:55:44,918 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. [2018-09-21 17:55:44,919 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-21 17:55:44,976 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 [2018-09-21 17:55:44,996 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 [2018-09-21 17:55:44,996 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 17:55:45,010 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 17:55:45,021 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. [2018-09-21 17:55:45,021 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-21 17:55:45,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 17:55:45,178 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 17:55:45,193 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 17:55:45,194 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-21 17:55:45,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-21 17:55:45,194 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-21 17:55:45,195 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-09-21 17:55:45,195 INFO L87 Difference]: Start difference. First operand 98 states and 116 transitions. Second operand 8 states. [2018-09-21 17:55:45,740 WARN L178 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-09-21 17:55:46,219 WARN L178 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-09-21 17:55:50,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 17:55:50,891 INFO L93 Difference]: Finished difference Result 84 states and 103 transitions. [2018-09-21 17:55:50,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-21 17:55:50,892 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 49 [2018-09-21 17:55:50,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 17:55:50,894 INFO L225 Difference]: With dead ends: 84 [2018-09-21 17:55:50,894 INFO L226 Difference]: Without dead ends: 0 [2018-09-21 17:55:50,895 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-09-21 17:55:50,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-21 17:55:50,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-21 17:55:50,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-21 17:55:50,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-21 17:55:50,896 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2018-09-21 17:55:50,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 17:55:50,896 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-21 17:55:50,896 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-21 17:55:50,896 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-21 17:55:50,896 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-21 17:55:50,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 05:55:50 BoogieIcfgContainer [2018-09-21 17:55:50,901 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-21 17:55:50,902 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-21 17:55:50,902 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-21 17:55:50,902 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-21 17:55:50,903 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 05:53:47" (3/4) ... [2018-09-21 17:55:50,907 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-21 17:55:50,915 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrt [2018-09-21 17:55:50,916 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-09-21 17:55:50,916 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-21 17:55:50,916 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_double [2018-09-21 17:55:50,916 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-21 17:55:50,924 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2018-09-21 17:55:50,925 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-09-21 17:55:50,925 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-09-21 17:55:51,017 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-21 17:55:51,017 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-21 17:55:51,018 INFO L168 Benchmark]: Toolchain (without parser) took 128998.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 953.2 MB in the beginning and 843.8 MB in the end (delta: 109.4 MB). Peak memory consumption was 252.0 MB. Max. memory is 11.5 GB. [2018-09-21 17:55:51,021 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. [2018-09-21 17:55:51,022 INFO L168 Benchmark]: CACSL2BoogieTranslator took 519.75 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-21 17:55:51,022 INFO L168 Benchmark]: Boogie Preprocessor took 59.39 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 17:55:51,023 INFO L168 Benchmark]: RCFGBuilder took 4585.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -152.5 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2018-09-21 17:55:51,023 INFO L168 Benchmark]: TraceAbstraction took 123709.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 850.6 MB in the end (delta: 239.0 MB). Peak memory consumption was 239.0 MB. Max. memory is 11.5 GB. [2018-09-21 17:55:51,024 INFO L168 Benchmark]: Witness Printer took 115.76 ms. Allocated memory is still 1.2 GB. Free memory was 850.6 MB in the beginning and 843.8 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-09-21 17:55:51,030 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 519.75 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.39 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 4585.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -152.5 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 123709.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 850.6 MB in the end (delta: 239.0 MB). Peak memory consumption was 239.0 MB. Max. memory is 11.5 GB. * Witness Printer took 115.76 ms. Allocated memory is still 1.2 GB. Free memory was 850.6 MB in the beginning and 843.8 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 160]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 105 locations, 1 error locations. SAFE Result, 123.6s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 83.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 294 SDtfs, 282 SDslu, 1252 SDs, 0 SdLazy, 306 SolverSat, 24 SolverUnsat, 12 SolverUnknown, 0 SolverNotchecked, 47.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 134 GetRequests, 94 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 71.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=102occurred 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, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 39.2s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 114 ConstructedInterpolants, 31 QuantifiedInterpolants, 44354 SizeOfPredicates, 18 NumberOfNonLiveVariables, 268 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...