./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1300_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_65c1b5a9-517c-46e4-954d-c0d196381c01/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_65c1b5a9-517c-46e4-954d-c0d196381c01/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_65c1b5a9-517c-46e4-954d-c0d196381c01/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_65c1b5a9-517c-46e4-954d-c0d196381c01/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1300_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_65c1b5a9-517c-46e4-954d-c0d196381c01/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_65c1b5a9-517c-46e4-954d-c0d196381c01/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ee5ae4bbae935ee4fc29ea9e50ac81dc390a543f ...................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_65c1b5a9-517c-46e4-954d-c0d196381c01/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_65c1b5a9-517c-46e4-954d-c0d196381c01/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_65c1b5a9-517c-46e4-954d-c0d196381c01/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_65c1b5a9-517c-46e4-954d-c0d196381c01/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1300_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_65c1b5a9-517c-46e4-954d-c0d196381c01/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_65c1b5a9-517c-46e4-954d-c0d196381c01/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ee5ae4bbae935ee4fc29ea9e50ac81dc390a543f ....................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 16:32:37,651 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:32:37,653 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:32:37,661 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:32:37,661 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:32:37,662 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:32:37,663 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:32:37,664 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:32:37,666 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:32:37,666 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:32:37,667 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:32:37,667 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:32:37,668 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:32:37,668 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:32:37,669 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:32:37,670 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:32:37,671 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:32:37,672 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:32:37,673 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:32:37,675 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:32:37,675 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:32:37,676 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:32:37,678 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:32:37,678 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:32:37,679 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:32:37,679 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:32:37,680 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:32:37,681 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:32:37,681 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:32:37,682 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:32:37,682 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:32:37,683 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:32:37,683 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:32:37,683 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:32:37,684 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:32:37,684 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:32:37,685 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_65c1b5a9-517c-46e4-954d-c0d196381c01/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 16:32:37,695 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:32:37,695 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:32:37,696 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 16:32:37,696 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 16:32:37,696 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 16:32:37,696 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 16:32:37,697 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 16:32:37,697 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:32:37,697 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:32:37,697 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 16:32:37,697 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:32:37,697 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:32:37,698 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 16:32:37,698 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:32:37,698 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 16:32:37,698 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:32:37,698 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 16:32:37,698 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 16:32:37,698 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 16:32:37,699 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:32:37,699 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 16:32:37,699 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:32:37,699 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 16:32:37,699 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 16:32:37,699 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:32:37,699 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:32:37,700 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 16:32:37,700 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 16:32:37,700 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:32:37,700 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 16:32:37,700 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_65c1b5a9-517c-46e4-954d-c0d196381c01/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee5ae4bbae935ee4fc29ea9e50ac81dc390a543f [2018-12-08 16:32:37,722 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:32:37,729 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:32:37,731 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:32:37,732 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:32:37,733 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:32:37,733 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_65c1b5a9-517c-46e4-954d-c0d196381c01/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1300_true-unreach-call.c [2018-12-08 16:32:37,775 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_65c1b5a9-517c-46e4-954d-c0d196381c01/bin-2019/uautomizer/data/9dedc5653/3e15b8a918aa4cba9dc3638f27b560f2/FLAG1a44c4b48 [2018-12-08 16:32:38,158 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:32:38,158 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_65c1b5a9-517c-46e4-954d-c0d196381c01/sv-benchmarks/c/float-newlib/double_req_bl_1300_true-unreach-call.c [2018-12-08 16:32:38,162 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_65c1b5a9-517c-46e4-954d-c0d196381c01/bin-2019/uautomizer/data/9dedc5653/3e15b8a918aa4cba9dc3638f27b560f2/FLAG1a44c4b48 [2018-12-08 16:32:38,169 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_65c1b5a9-517c-46e4-954d-c0d196381c01/bin-2019/uautomizer/data/9dedc5653/3e15b8a918aa4cba9dc3638f27b560f2 [2018-12-08 16:32:38,171 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:32:38,172 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:32:38,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:32:38,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:32:38,174 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:32:38,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:32:38" (1/1) ... [2018-12-08 16:32:38,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b24b6f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:38, skipping insertion in model container [2018-12-08 16:32:38,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:32:38" (1/1) ... [2018-12-08 16:32:38,180 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:32:38,189 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:32:38,284 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:32:38,286 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:32:38,300 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:32:38,312 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:32:38,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:38 WrapperNode [2018-12-08 16:32:38,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:32:38,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:32:38,313 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:32:38,313 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:32:38,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:38" (1/1) ... [2018-12-08 16:32:38,327 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:38" (1/1) ... [2018-12-08 16:32:38,333 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:32:38,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:32:38,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:32:38,334 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:32:38,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:38" (1/1) ... [2018-12-08 16:32:38,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:38" (1/1) ... [2018-12-08 16:32:38,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:38" (1/1) ... [2018-12-08 16:32:38,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:38" (1/1) ... [2018-12-08 16:32:38,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:38" (1/1) ... [2018-12-08 16:32:38,378 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:38" (1/1) ... [2018-12-08 16:32:38,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:38" (1/1) ... [2018-12-08 16:32:38,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:32:38,380 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:32:38,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:32:38,380 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:32:38,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_65c1b5a9-517c-46e4-954d-c0d196381c01/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 16:32:38,413 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double [2018-12-08 16:32:38,413 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double [2018-12-08 16:32:38,413 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-08 16:32:38,413 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-08 16:32:38,413 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-12-08 16:32:38,413 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-12-08 16:32:38,413 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 16:32:38,414 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 16:32:38,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 16:32:38,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 16:32:38,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-08 16:32:38,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 16:32:38,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:32:38,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:32:38,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 16:32:38,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 16:32:38,569 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:32:38,570 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-08 16:32:38,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:32:38 BoogieIcfgContainer [2018-12-08 16:32:38,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:32:38,570 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 16:32:38,570 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 16:32:38,572 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 16:32:38,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 04:32:38" (1/3) ... [2018-12-08 16:32:38,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38892861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:32:38, skipping insertion in model container [2018-12-08 16:32:38,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:38" (2/3) ... [2018-12-08 16:32:38,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38892861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:32:38, skipping insertion in model container [2018-12-08 16:32:38,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:32:38" (3/3) ... [2018-12-08 16:32:38,575 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1300_true-unreach-call.c [2018-12-08 16:32:38,581 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 16:32:38,585 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 16:32:38,595 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 16:32:38,612 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 16:32:38,613 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 16:32:38,613 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 16:32:38,613 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 16:32:38,613 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 16:32:38,613 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 16:32:38,613 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 16:32:38,613 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 16:32:38,613 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 16:32:38,625 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2018-12-08 16:32:38,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 16:32:38,628 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:32:38,629 INFO L402 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] [2018-12-08 16:32:38,630 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:32:38,634 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:32:38,634 INFO L82 PathProgramCache]: Analyzing trace with hash -2080830514, now seen corresponding path program 1 times [2018-12-08 16:32:38,635 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:32:38,635 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:32:38,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:32:38,663 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:32:38,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:32:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:32:38,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:32:38,716 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:32:38,716 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 16:32:38,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 16:32:38,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 16:32:38,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 16:32:38,727 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 2 states. [2018-12-08 16:32:38,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:32:38,740 INFO L93 Difference]: Finished difference Result 66 states and 79 transitions. [2018-12-08 16:32:38,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 16:32:38,741 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-12-08 16:32:38,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:32:38,745 INFO L225 Difference]: With dead ends: 66 [2018-12-08 16:32:38,745 INFO L226 Difference]: Without dead ends: 32 [2018-12-08 16:32:38,747 INFO L631 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 [2018-12-08 16:32:38,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-12-08 16:32:38,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-12-08 16:32:38,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-12-08 16:32:38,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2018-12-08 16:32:38,768 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 24 [2018-12-08 16:32:38,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:32:38,768 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2018-12-08 16:32:38,768 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 16:32:38,768 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2018-12-08 16:32:38,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-08 16:32:38,769 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:32:38,769 INFO L402 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] [2018-12-08 16:32:38,769 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:32:38,769 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:32:38,769 INFO L82 PathProgramCache]: Analyzing trace with hash 52000231, now seen corresponding path program 1 times [2018-12-08 16:32:38,769 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:32:38,769 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:32:38,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:32:38,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:32:38,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:32:38,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:32:38,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:32:38,822 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:32:38,822 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 16:32:38,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 16:32:38,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 16:32:38,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:32:38,824 INFO L87 Difference]: Start difference. First operand 32 states and 32 transitions. Second operand 3 states. [2018-12-08 16:32:38,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:32:38,838 INFO L93 Difference]: Finished difference Result 44 states and 43 transitions. [2018-12-08 16:32:38,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 16:32:38,838 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2018-12-08 16:32:38,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:32:38,839 INFO L225 Difference]: With dead ends: 44 [2018-12-08 16:32:38,839 INFO L226 Difference]: Without dead ends: 32 [2018-12-08 16:32:38,840 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:32:38,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-12-08 16:32:38,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-12-08 16:32:38,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-12-08 16:32:38,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 31 transitions. [2018-12-08 16:32:38,844 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 31 transitions. Word has length 26 [2018-12-08 16:32:38,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:32:38,844 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 31 transitions. [2018-12-08 16:32:38,844 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 16:32:38,844 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 31 transitions. [2018-12-08 16:32:38,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-08 16:32:38,845 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:32:38,845 INFO L402 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] [2018-12-08 16:32:38,845 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:32:38,846 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:32:38,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1291078367, now seen corresponding path program 1 times [2018-12-08 16:32:38,846 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:32:38,846 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:32:38,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:32:38,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:32:38,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:32:38,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:32:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:32:38,942 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 16:32:38,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 04:32:38 BoogieIcfgContainer [2018-12-08 16:32:38,964 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 16:32:38,964 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 16:32:38,965 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 16:32:38,965 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 16:32:38,965 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:32:38" (3/4) ... [2018-12-08 16:32:38,967 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 16:32:38,968 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 16:32:38,968 INFO L168 Benchmark]: Toolchain (without parser) took 796.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.6 MB). Free memory was 962.4 MB in the beginning and 1.0 GB in the end (delta: -53.9 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. [2018-12-08 16:32:38,969 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:32:38,969 INFO L168 Benchmark]: CACSL2BoogieTranslator took 140.17 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 951.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 16:32:38,970 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.51 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 946.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 16:32:38,970 INFO L168 Benchmark]: Boogie Preprocessor took 46.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.6 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -132.3 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-12-08 16:32:38,970 INFO L168 Benchmark]: RCFGBuilder took 190.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2018-12-08 16:32:38,971 INFO L168 Benchmark]: TraceAbstraction took 393.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.6 MB). Peak memory consumption was 43.6 MB. Max. memory is 11.5 GB. [2018-12-08 16:32:38,971 INFO L168 Benchmark]: Witness Printer took 3.20 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:32:38,973 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 140.17 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 951.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.51 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 946.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.6 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -132.3 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 190.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 393.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.6 MB). Peak memory consumption was 43.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.20 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 59]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 25, overapproximation of bitwiseAnd at line 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 58, overapproximation of to_real at line 55. Possible FailurePath: [L50] double x = __VERIFIER_nondet_double(); [L53] CALL, EXPR isinf_double(x) VAL [\old(x)=10737418245] [L17] __int32_t hx, lx; VAL [\old(x)=10737418245, x=10737418245] [L19] ieee_double_shape_type ew_u; [L20] ew_u.value = (x) [L21] EXPR ew_u.parts.msw [L21] (hx) = ew_u.parts.msw [L22] EXPR ew_u.parts.lsw [L22] (lx) = ew_u.parts.lsw [L24] hx &= 0x7fffffff [L25] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L26] hx = 0x7ff00000 - hx [L27] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [\old(x)=10737418245, \result=0, hx=2146435073, lx=-2147483648, x=10737418245] [L53] RET, EXPR isinf_double(x) VAL [isinf_double(x)=0, x=10737418245] [L53] !isinf_double(x) && !isnan_double(x) VAL [!isinf_double(x) && !isnan_double(x)=1, isinf_double(x)=0, x=10737418245] [L53] CALL, EXPR isnan_double(x) VAL [\old(x)=10737418245] [L31] return x != x; VAL [\old(x)=10737418245, \result=0, x=10737418245] [L53] RET, EXPR isnan_double(x) VAL [!isinf_double(x) && !isnan_double(x)=1, isinf_double(x)=0, isnan_double(x)=0, x=10737418245] [L53] !isinf_double(x) && !isnan_double(x) VAL [!isinf_double(x) && !isnan_double(x)=1, isinf_double(x)=0, isnan_double(x)=0, x=10737418245] [L53] COND TRUE !isinf_double(x) && !isnan_double(x) [L55] CALL, EXPR isfinite_double(x) VAL [\old(x)=10737418245] [L34] __int32_t hx; VAL [\old(x)=10737418245, x=10737418245] [L36] ieee_double_shape_type gh_u; [L37] gh_u.value = (x) [L38] EXPR gh_u.parts.msw [L38] (hx) = gh_u.parts.msw [L40] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [\old(x)=10737418245, \result=3, hx=-2147483648, x=10737418245] [L55] RET, EXPR isfinite_double(x) VAL [isfinite_double(x)=3, x=10737418245] [L55] double res = isfinite_double(x); [L58] COND TRUE res == 0.0 VAL [x=10737418245] [L59] __VERIFIER_error() VAL [x=10737418245] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 37 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 70 SDtfs, 0 SDslu, 27 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 1179 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 0.1.23-635dfa2 [2018-12-08 16:32:40,211 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:32:40,212 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:32:40,218 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:32:40,218 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:32:40,219 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:32:40,219 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:32:40,220 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:32:40,221 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:32:40,221 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:32:40,222 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:32:40,222 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:32:40,222 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:32:40,223 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:32:40,223 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:32:40,224 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:32:40,224 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:32:40,225 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:32:40,226 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:32:40,227 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:32:40,227 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:32:40,228 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:32:40,229 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:32:40,229 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:32:40,229 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:32:40,230 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:32:40,230 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:32:40,231 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:32:40,231 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:32:40,232 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:32:40,232 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:32:40,232 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:32:40,232 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:32:40,232 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:32:40,233 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:32:40,233 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:32:40,233 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_65c1b5a9-517c-46e4-954d-c0d196381c01/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-08 16:32:40,240 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:32:40,241 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:32:40,241 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 16:32:40,241 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 16:32:40,242 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 16:32:40,242 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 16:32:40,242 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 16:32:40,242 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:32:40,242 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:32:40,242 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:32:40,242 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:32:40,243 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 16:32:40,243 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:32:40,243 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 16:32:40,243 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 16:32:40,243 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 16:32:40,243 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:32:40,243 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 16:32:40,243 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 16:32:40,243 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 16:32:40,244 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:32:40,244 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 16:32:40,244 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:32:40,244 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 16:32:40,244 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 16:32:40,244 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:32:40,244 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:32:40,245 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 16:32:40,245 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-08 16:32:40,245 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:32:40,245 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 16:32:40,245 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 16:32:40,245 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_65c1b5a9-517c-46e4-954d-c0d196381c01/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee5ae4bbae935ee4fc29ea9e50ac81dc390a543f [2018-12-08 16:32:40,263 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:32:40,271 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:32:40,273 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:32:40,274 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:32:40,275 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:32:40,275 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_65c1b5a9-517c-46e4-954d-c0d196381c01/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1300_true-unreach-call.c [2018-12-08 16:32:40,313 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_65c1b5a9-517c-46e4-954d-c0d196381c01/bin-2019/uautomizer/data/eee2d2413/f6eb917b07404cb78aacd33e0f00cc21/FLAG25f6269f4 [2018-12-08 16:32:40,745 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:32:40,745 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_65c1b5a9-517c-46e4-954d-c0d196381c01/sv-benchmarks/c/float-newlib/double_req_bl_1300_true-unreach-call.c [2018-12-08 16:32:40,749 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_65c1b5a9-517c-46e4-954d-c0d196381c01/bin-2019/uautomizer/data/eee2d2413/f6eb917b07404cb78aacd33e0f00cc21/FLAG25f6269f4 [2018-12-08 16:32:40,757 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_65c1b5a9-517c-46e4-954d-c0d196381c01/bin-2019/uautomizer/data/eee2d2413/f6eb917b07404cb78aacd33e0f00cc21 [2018-12-08 16:32:40,759 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:32:40,759 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:32:40,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:32:40,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:32:40,762 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:32:40,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:32:40" (1/1) ... [2018-12-08 16:32:40,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76d0c8a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:40, skipping insertion in model container [2018-12-08 16:32:40,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:32:40" (1/1) ... [2018-12-08 16:32:40,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:32:40,778 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:32:40,868 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:32:40,871 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:32:40,886 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:32:40,902 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:32:40,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:40 WrapperNode [2018-12-08 16:32:40,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:32:40,903 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:32:40,903 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:32:40,903 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:32:40,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:40" (1/1) ... [2018-12-08 16:32:40,914 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:40" (1/1) ... [2018-12-08 16:32:40,918 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:32:40,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:32:40,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:32:40,919 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:32:40,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:40" (1/1) ... [2018-12-08 16:32:40,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:40" (1/1) ... [2018-12-08 16:32:40,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:40" (1/1) ... [2018-12-08 16:32:40,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:40" (1/1) ... [2018-12-08 16:32:40,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:40" (1/1) ... [2018-12-08 16:32:40,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:40" (1/1) ... [2018-12-08 16:32:40,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:40" (1/1) ... [2018-12-08 16:32:40,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:32:40,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:32:40,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:32:40,970 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:32:40,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_65c1b5a9-517c-46e4-954d-c0d196381c01/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 16:32:41,002 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double [2018-12-08 16:32:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double [2018-12-08 16:32:41,002 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-08 16:32:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-08 16:32:41,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-08 16:32:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-12-08 16:32:41,003 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-12-08 16:32:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 16:32:41,003 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 16:32:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 16:32:41,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 16:32:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 16:32:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-08 16:32:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:32:41,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:32:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 16:32:41,112 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:32:41,174 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:32:41,227 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:32:41,227 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-08 16:32:41,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:32:41 BoogieIcfgContainer [2018-12-08 16:32:41,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:32:41,227 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 16:32:41,228 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 16:32:41,229 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 16:32:41,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 04:32:40" (1/3) ... [2018-12-08 16:32:41,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@519906e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:32:41, skipping insertion in model container [2018-12-08 16:32:41,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:40" (2/3) ... [2018-12-08 16:32:41,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@519906e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:32:41, skipping insertion in model container [2018-12-08 16:32:41,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:32:41" (3/3) ... [2018-12-08 16:32:41,231 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1300_true-unreach-call.c [2018-12-08 16:32:41,236 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 16:32:41,241 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 16:32:41,252 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 16:32:41,269 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 16:32:41,269 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 16:32:41,269 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 16:32:41,270 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 16:32:41,270 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 16:32:41,270 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 16:32:41,270 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 16:32:41,270 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 16:32:41,270 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 16:32:41,278 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2018-12-08 16:32:41,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 16:32:41,282 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:32:41,282 INFO L402 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] [2018-12-08 16:32:41,283 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:32:41,286 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:32:41,286 INFO L82 PathProgramCache]: Analyzing trace with hash -2080830514, now seen corresponding path program 1 times [2018-12-08 16:32:41,289 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 16:32:41,289 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_65c1b5a9-517c-46e4-954d-c0d196381c01/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-08 16:32:41,293 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:32:41,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:32:41,348 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:32:41,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:32:41,359 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 16:32:41,370 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:32:41,370 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 16:32:41,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 16:32:41,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 16:32:41,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 16:32:41,380 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 2 states. [2018-12-08 16:32:41,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:32:41,393 INFO L93 Difference]: Finished difference Result 66 states and 79 transitions. [2018-12-08 16:32:41,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 16:32:41,394 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-12-08 16:32:41,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:32:41,399 INFO L225 Difference]: With dead ends: 66 [2018-12-08 16:32:41,399 INFO L226 Difference]: Without dead ends: 32 [2018-12-08 16:32:41,402 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 16:32:41,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-12-08 16:32:41,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-12-08 16:32:41,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-12-08 16:32:41,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2018-12-08 16:32:41,424 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 24 [2018-12-08 16:32:41,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:32:41,425 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2018-12-08 16:32:41,425 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 16:32:41,425 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2018-12-08 16:32:41,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-08 16:32:41,425 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:32:41,426 INFO L402 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] [2018-12-08 16:32:41,426 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:32:41,426 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:32:41,426 INFO L82 PathProgramCache]: Analyzing trace with hash 52000231, now seen corresponding path program 1 times [2018-12-08 16:32:41,427 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 16:32:41,427 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_65c1b5a9-517c-46e4-954d-c0d196381c01/bin-2019/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-08 16:32:41,431 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:32:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:32:41,494 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:32:41,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:32:41,504 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 16:32:41,511 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:32:41,511 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 16:32:41,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 16:32:41,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 16:32:41,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:32:41,513 INFO L87 Difference]: Start difference. First operand 32 states and 32 transitions. Second operand 3 states. [2018-12-08 16:32:41,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:32:41,524 INFO L93 Difference]: Finished difference Result 44 states and 43 transitions. [2018-12-08 16:32:41,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 16:32:41,525 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2018-12-08 16:32:41,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:32:41,526 INFO L225 Difference]: With dead ends: 44 [2018-12-08 16:32:41,526 INFO L226 Difference]: Without dead ends: 32 [2018-12-08 16:32:41,527 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:32:41,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-12-08 16:32:41,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-12-08 16:32:41,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-12-08 16:32:41,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 31 transitions. [2018-12-08 16:32:41,531 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 31 transitions. Word has length 26 [2018-12-08 16:32:41,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:32:41,531 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 31 transitions. [2018-12-08 16:32:41,531 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 16:32:41,531 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 31 transitions. [2018-12-08 16:32:41,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-08 16:32:41,532 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:32:41,532 INFO L402 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] [2018-12-08 16:32:41,532 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:32:41,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:32:41,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1291078367, now seen corresponding path program 1 times [2018-12-08 16:32:41,533 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 16:32:41,533 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_65c1b5a9-517c-46e4-954d-c0d196381c01/bin-2019/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-08 16:32:41,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:32:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:32:41,616 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:32:41,647 INFO L683 Elim1Store]: detected equality via solver [2018-12-08 16:32:41,648 INFO L683 Elim1Store]: detected equality via solver [2018-12-08 16:32:41,649 INFO L683 Elim1Store]: detected equality via solver [2018-12-08 16:32:41,649 INFO L683 Elim1Store]: detected equality via solver [2018-12-08 16:32:41,653 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 98 [2018-12-08 16:32:41,756 INFO L683 Elim1Store]: detected equality via solver [2018-12-08 16:32:41,757 INFO L683 Elim1Store]: detected equality via solver [2018-12-08 16:32:41,767 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 3 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 67 [2018-12-08 16:32:41,768 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 16:32:41,798 INFO L478 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 39 treesize of output 31 [2018-12-08 16:32:41,823 INFO L683 Elim1Store]: detected equality via solver [2018-12-08 16:32:41,828 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 29 [2018-12-08 16:32:41,828 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-08 16:32:41,841 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 16:32:41,860 INFO L478 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 39 treesize of output 29 [2018-12-08 16:32:41,867 INFO L478 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 29 treesize of output 14 [2018-12-08 16:32:41,867 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-08 16:32:41,876 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 16:32:41,886 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-08 16:32:41,902 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-12-08 16:32:41,902 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:82, output treesize:28 [2018-12-08 16:32:42,484 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2018-12-08 16:32:44,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:32:44,821 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 16:32:44,828 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:32:44,828 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2018-12-08 16:32:44,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-08 16:32:44,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-08 16:32:44,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2018-12-08 16:32:44,829 INFO L87 Difference]: Start difference. First operand 32 states and 31 transitions. Second operand 17 states. [2018-12-08 16:32:46,682 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2018-12-08 16:32:51,582 WARN L180 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 42 [2018-12-08 16:32:54,772 WARN L180 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 51 [2018-12-08 16:32:55,329 WARN L180 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2018-12-08 16:33:00,344 WARN L180 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2018-12-08 16:33:00,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:33:00,345 INFO L93 Difference]: Finished difference Result 32 states and 31 transitions. [2018-12-08 16:33:00,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-08 16:33:00,345 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 31 [2018-12-08 16:33:00,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:33:00,346 INFO L225 Difference]: With dead ends: 32 [2018-12-08 16:33:00,346 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 16:33:00,346 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 15.7s TimeCoverageRelationStatistics Valid=86, Invalid=613, Unknown=3, NotChecked=0, Total=702 [2018-12-08 16:33:00,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 16:33:00,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 16:33:00,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 16:33:00,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 16:33:00,347 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2018-12-08 16:33:00,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:33:00,347 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 16:33:00,347 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-08 16:33:00,347 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 16:33:00,347 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 16:33:00,350 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 16:33:00,466 INFO L444 ceAbstractionStarter]: At program point L35-2(lines 35 39) the Hoare annotation is: (= isfinite_double_~x |isfinite_double_#in~x|) [2018-12-08 16:33:00,466 INFO L448 ceAbstractionStarter]: For program point L35-3(lines 35 39) no Hoare annotation was computed. [2018-12-08 16:33:00,466 INFO L448 ceAbstractionStarter]: For program point isfinite_doubleFINAL(lines 33 41) no Hoare annotation was computed. [2018-12-08 16:33:00,466 INFO L448 ceAbstractionStarter]: For program point isfinite_doubleEXIT(lines 33 41) no Hoare annotation was computed. [2018-12-08 16:33:00,466 INFO L451 ceAbstractionStarter]: At program point isfinite_doubleENTRY(lines 33 41) the Hoare annotation is: true [2018-12-08 16:33:00,466 INFO L448 ceAbstractionStarter]: For program point L35-1(lines 35 39) no Hoare annotation was computed. [2018-12-08 16:33:00,466 INFO L451 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 31) the Hoare annotation is: true [2018-12-08 16:33:00,466 INFO L448 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 31) no Hoare annotation was computed. [2018-12-08 16:33:00,466 INFO L448 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 31) no Hoare annotation was computed. [2018-12-08 16:33:00,467 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 16:33:00,467 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-08 16:33:00,467 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 16:33:00,467 INFO L448 ceAbstractionStarter]: For program point L18-1(lines 18 23) no Hoare annotation was computed. [2018-12-08 16:33:00,467 INFO L444 ceAbstractionStarter]: At program point L18-2(lines 18 23) the Hoare annotation is: (= isinf_double_~x |isinf_double_#in~x|) [2018-12-08 16:33:00,467 INFO L448 ceAbstractionStarter]: For program point isinf_doubleFINAL(lines 16 28) no Hoare annotation was computed. [2018-12-08 16:33:00,467 INFO L448 ceAbstractionStarter]: For program point L18-3(lines 18 23) no Hoare annotation was computed. [2018-12-08 16:33:00,467 INFO L448 ceAbstractionStarter]: For program point isinf_doubleEXIT(lines 16 28) no Hoare annotation was computed. [2018-12-08 16:33:00,467 INFO L451 ceAbstractionStarter]: At program point isinf_doubleENTRY(lines 16 28) the Hoare annotation is: true [2018-12-08 16:33:00,467 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 16:33:00,467 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-08 16:33:00,467 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 16:33:00,467 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 16:33:00,467 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 61) no Hoare annotation was computed. [2018-12-08 16:33:00,468 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 43 65) no Hoare annotation was computed. [2018-12-08 16:33:00,468 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 43 65) no Hoare annotation was computed. [2018-12-08 16:33:00,468 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 43 65) the Hoare annotation is: true [2018-12-08 16:33:00,468 INFO L448 ceAbstractionStarter]: For program point L59(line 59) no Hoare annotation was computed. [2018-12-08 16:33:00,468 INFO L444 ceAbstractionStarter]: At program point L55(line 55) the Hoare annotation is: (and (exists ((|v_q#valueAsBitvector_3| (_ BitVec 64)) (v_prenex_7 (_ BitVec 64))) (let ((.cse0 ((_ extract 63 32) |v_q#valueAsBitvector_3|)) (.cse1 ((_ extract 31 0) v_prenex_7))) (and (= main_~x~0 (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7))) (= ((_ extract 63 32) v_prenex_7) .cse0) (= .cse1 ((_ extract 31 0) |v_q#valueAsBitvector_3|)) (= (bvadd (bvneg (bvlshr (let ((.cse2 (bvadd (bvneg (bvor (bvand (_ bv2147483647 32) .cse0) (bvlshr (bvor .cse1 (bvneg .cse1)) (_ bv31 32)))) (_ bv2146435072 32)))) (bvor .cse2 (bvneg .cse2))) (_ bv31 32))) (_ bv1 32)) (_ bv0 32))))) (fp.eq main_~x~0 main_~x~0)) [2018-12-08 16:33:00,468 INFO L448 ceAbstractionStarter]: For program point L55-1(line 55) no Hoare annotation was computed. [2018-12-08 16:33:00,468 INFO L451 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: true [2018-12-08 16:33:00,468 INFO L448 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2018-12-08 16:33:00,468 INFO L448 ceAbstractionStarter]: For program point L53-2(line 53) no Hoare annotation was computed. [2018-12-08 16:33:00,468 INFO L444 ceAbstractionStarter]: At program point L53-3(line 53) the Hoare annotation is: (and (exists ((|v_q#valueAsBitvector_3| (_ BitVec 64)) (v_prenex_7 (_ BitVec 64))) (let ((.cse1 ((_ extract 63 32) |v_q#valueAsBitvector_3|)) (.cse0 ((_ extract 31 0) v_prenex_7))) (and (= main_~x~0 (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7))) (= .cse0 ((_ extract 31 0) |v_q#valueAsBitvector_3|)) (= ((_ extract 63 32) v_prenex_7) .cse1) (= (bvadd (bvneg (bvlshr (let ((.cse2 (bvadd (bvneg (bvor (bvand (_ bv2147483647 32) .cse1) (bvlshr (bvor .cse0 (bvneg .cse0)) (_ bv31 32)))) (_ bv2146435072 32)))) (bvor .cse2 (bvneg .cse2))) (_ bv31 32))) (_ bv1 32)) (_ bv0 32))))) |main_#t~short9| (exists ((|v_q#valueAsBitvector_3| (_ BitVec 64)) (v_prenex_7 (_ BitVec 64))) (let ((.cse5 ((_ extract 31 0) v_prenex_7)) (.cse4 ((_ extract 63 32) |v_q#valueAsBitvector_3|))) (and (= (bvadd |main_#t~ret7| (_ bv4294967295 32)) (bvneg (bvlshr (let ((.cse3 (bvadd (bvneg (bvor (bvand (_ bv2147483647 32) .cse4) (bvlshr (bvor .cse5 (bvneg .cse5)) (_ bv31 32)))) (_ bv2146435072 32)))) (bvor .cse3 (bvneg .cse3))) (_ bv31 32)))) (= main_~x~0 (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7))) (= .cse5 ((_ extract 31 0) |v_q#valueAsBitvector_3|)) (= ((_ extract 63 32) v_prenex_7) .cse4))))) [2018-12-08 16:33:00,469 INFO L448 ceAbstractionStarter]: For program point L53-4(line 53) no Hoare annotation was computed. [2018-12-08 16:33:00,469 INFO L448 ceAbstractionStarter]: For program point L53-6(lines 53 62) no Hoare annotation was computed. [2018-12-08 16:33:00,469 INFO L448 ceAbstractionStarter]: For program point L53-8(lines 53 62) no Hoare annotation was computed. [2018-12-08 16:33:00,469 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 59) no Hoare annotation was computed. [2018-12-08 16:33:00,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 04:33:00 BoogieIcfgContainer [2018-12-08 16:33:00,476 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 16:33:00,477 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 16:33:00,477 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 16:33:00,477 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 16:33:00,477 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:32:41" (3/4) ... [2018-12-08 16:33:00,479 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 16:33:00,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isfinite_double [2018-12-08 16:33:00,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-12-08 16:33:00,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 16:33:00,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_double [2018-12-08 16:33:00,484 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 16:33:00,487 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-12-08 16:33:00,487 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 16:33:00,487 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 16:33:00,503 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-12-08 16:33:00,503 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-12-08 16:33:00,516 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_65c1b5a9-517c-46e4-954d-c0d196381c01/bin-2019/uautomizer/witness.graphml [2018-12-08 16:33:00,516 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 16:33:00,517 INFO L168 Benchmark]: Toolchain (without parser) took 19757.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 943.4 MB in the beginning and 829.5 MB in the end (delta: 113.8 MB). Peak memory consumption was 249.6 MB. Max. memory is 11.5 GB. [2018-12-08 16:33:00,517 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:33:00,517 INFO L168 Benchmark]: CACSL2BoogieTranslator took 142.95 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 16:33:00,518 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.42 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 16:33:00,518 INFO L168 Benchmark]: Boogie Preprocessor took 51.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -203.4 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-12-08 16:33:00,518 INFO L168 Benchmark]: RCFGBuilder took 256.78 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: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-08 16:33:00,518 INFO L168 Benchmark]: TraceAbstraction took 19248.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 836.3 MB in the end (delta: 269.5 MB). Peak memory consumption was 269.5 MB. Max. memory is 11.5 GB. [2018-12-08 16:33:00,519 INFO L168 Benchmark]: Witness Printer took 39.71 ms. Allocated memory is still 1.2 GB. Free memory was 836.3 MB in the beginning and 829.5 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-08 16:33:00,520 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 142.95 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.42 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -203.4 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 256.78 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: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19248.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 836.3 MB in the end (delta: 269.5 MB). Peak memory consumption was 269.5 MB. Max. memory is 11.5 GB. * Witness Printer took 39.71 ms. Allocated memory is still 1.2 GB. Free memory was 836.3 MB in the beginning and 829.5 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: 59]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: x == \old(x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 37 locations, 1 error locations. SAFE Result, 19.2s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 15.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 87 SDtfs, 12 SDslu, 252 SDs, 0 SdLazy, 182 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 88 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 15.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 17 PreInvPairs, 21 NumberOfFragments, 206 HoareAnnotationTreeSize, 17 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 78 ConstructedInterpolants, 16 QuantifiedInterpolants, 30279 SizeOfPredicates, 11 NumberOfNonLiveVariables, 219 ConjunctsInSsa, 32 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...