./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1012b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_70f895e9-7283-423a-89e4-bd6d091bbbc6/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_70f895e9-7283-423a-89e4-bd6d091bbbc6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_70f895e9-7283-423a-89e4-bd6d091bbbc6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_70f895e9-7283-423a-89e4-bd6d091bbbc6/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1012b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_70f895e9-7283-423a-89e4-bd6d091bbbc6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_70f895e9-7283-423a-89e4-bd6d091bbbc6/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 56df0817616f6c5016a1ac832f32db0c87e1c370 ....................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_70f895e9-7283-423a-89e4-bd6d091bbbc6/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_70f895e9-7283-423a-89e4-bd6d091bbbc6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_70f895e9-7283-423a-89e4-bd6d091bbbc6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_70f895e9-7283-423a-89e4-bd6d091bbbc6/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1012b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_70f895e9-7283-423a-89e4-bd6d091bbbc6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_70f895e9-7283-423a-89e4-bd6d091bbbc6/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 56df0817616f6c5016a1ac832f32db0c87e1c370 ....................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:49:17,617 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:49:17,618 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:49:17,633 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:49:17,633 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:49:17,634 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:49:17,636 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:49:17,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:49:17,648 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:49:17,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:49:17,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:49:17,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:49:17,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:49:17,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:49:17,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:49:17,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:49:17,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:49:17,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:49:17,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:49:17,665 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:49:17,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:49:17,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:49:17,673 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:49:17,674 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:49:17,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:49:17,677 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:49:17,678 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:49:17,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:49:17,679 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:49:17,680 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:49:17,681 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:49:17,681 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:49:17,682 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:49:17,683 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:49:17,683 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:49:17,684 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:49:17,684 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:49:17,684 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:49:17,684 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:49:17,685 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:49:17,686 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:49:17,687 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_70f895e9-7283-423a-89e4-bd6d091bbbc6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:49:17,710 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:49:17,710 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:49:17,711 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:49:17,711 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:49:17,711 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:49:17,712 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:49:17,712 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:49:17,712 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:49:17,712 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:49:17,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:49:17,712 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:49:17,713 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:49:17,713 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:49:17,713 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:49:17,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:49:17,713 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:49:17,713 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:49:17,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:49:17,714 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:49:17,714 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:49:17,714 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:49:17,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:49:17,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:49:17,715 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:49:17,715 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:49:17,715 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:49:17,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:49:17,715 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:49:17,716 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_70f895e9-7283-423a-89e4-bd6d091bbbc6/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56df0817616f6c5016a1ac832f32db0c87e1c370 [2019-11-25 08:49:17,894 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:49:17,910 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:49:17,914 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:49:17,916 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:49:17,917 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:49:17,918 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_70f895e9-7283-423a-89e4-bd6d091bbbc6/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1012b.c [2019-11-25 08:49:17,987 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_70f895e9-7283-423a-89e4-bd6d091bbbc6/bin/uautomizer/data/9ef41f70c/4b31c769ced64d30a159830506c64903/FLAGeb1dd4559 [2019-11-25 08:49:18,311 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:49:18,312 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_70f895e9-7283-423a-89e4-bd6d091bbbc6/sv-benchmarks/c/float-newlib/double_req_bl_1012b.c [2019-11-25 08:49:18,318 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_70f895e9-7283-423a-89e4-bd6d091bbbc6/bin/uautomizer/data/9ef41f70c/4b31c769ced64d30a159830506c64903/FLAGeb1dd4559 [2019-11-25 08:49:18,700 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_70f895e9-7283-423a-89e4-bd6d091bbbc6/bin/uautomizer/data/9ef41f70c/4b31c769ced64d30a159830506c64903 [2019-11-25 08:49:18,702 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:49:18,703 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:49:18,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:49:18,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:49:18,708 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:49:18,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:49:18" (1/1) ... [2019-11-25 08:49:18,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15bab9f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:18, skipping insertion in model container [2019-11-25 08:49:18,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:49:18" (1/1) ... [2019-11-25 08:49:18,718 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:49:18,738 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:49:18,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:49:19,025 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:49:19,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:49:19,095 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:49:19,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:19 WrapperNode [2019-11-25 08:49:19,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:49:19,097 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:49:19,097 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:49:19,097 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:49:19,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:19" (1/1) ... [2019-11-25 08:49:19,126 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:19" (1/1) ... [2019-11-25 08:49:19,145 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:49:19,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:49:19,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:49:19,146 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:49:19,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:19" (1/1) ... [2019-11-25 08:49:19,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:19" (1/1) ... [2019-11-25 08:49:19,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:19" (1/1) ... [2019-11-25 08:49:19,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:19" (1/1) ... [2019-11-25 08:49:19,165 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:19" (1/1) ... [2019-11-25 08:49:19,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:19" (1/1) ... [2019-11-25 08:49:19,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:19" (1/1) ... [2019-11-25 08:49:19,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:49:19,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:49:19,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:49:19,175 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:49:19,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70f895e9-7283-423a-89e4-bd6d091bbbc6/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:49:19,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:49:19,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-25 08:49:19,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:49:19,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-25 08:49:19,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:49:19,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:49:19,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 08:49:19,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:49:19,618 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:49:19,618 INFO L284 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-25 08:49:19,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:49:19 BoogieIcfgContainer [2019-11-25 08:49:19,619 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:49:19,620 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:49:19,625 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:49:19,627 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:49:19,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:49:18" (1/3) ... [2019-11-25 08:49:19,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d855027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:49:19, skipping insertion in model container [2019-11-25 08:49:19,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:19" (2/3) ... [2019-11-25 08:49:19,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d855027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:49:19, skipping insertion in model container [2019-11-25 08:49:19,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:49:19" (3/3) ... [2019-11-25 08:49:19,632 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1012b.c [2019-11-25 08:49:19,641 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:49:19,647 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:49:19,657 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:49:19,683 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:49:19,683 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:49:19,683 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:49:19,683 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:49:19,683 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:49:19,684 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:49:19,684 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:49:19,684 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:49:19,698 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2019-11-25 08:49:19,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-25 08:49:19,703 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:49:19,703 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:19,704 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:49:19,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:19,707 INFO L82 PathProgramCache]: Analyzing trace with hash -969083750, now seen corresponding path program 1 times [2019-11-25 08:49:19,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:19,716 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648141434] [2019-11-25 08:49:19,716 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:19,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:19,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:19,814 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648141434] [2019-11-25 08:49:19,815 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:49:19,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:49:19,816 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614917660] [2019-11-25 08:49:19,820 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-25 08:49:19,820 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:49:19,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:49:19,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:49:19,832 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2019-11-25 08:49:19,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:49:19,845 INFO L93 Difference]: Finished difference Result 34 states and 46 transitions. [2019-11-25 08:49:19,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:49:19,847 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-25 08:49:19,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:49:19,855 INFO L225 Difference]: With dead ends: 34 [2019-11-25 08:49:19,856 INFO L226 Difference]: Without dead ends: 15 [2019-11-25 08:49:19,860 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:49:19,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-11-25 08:49:19,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-11-25 08:49:19,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-25 08:49:19,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2019-11-25 08:49:19,888 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 11 [2019-11-25 08:49:19,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:49:19,888 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2019-11-25 08:49:19,889 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-25 08:49:19,889 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2019-11-25 08:49:19,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-25 08:49:19,889 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:49:19,890 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:19,890 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:49:19,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:19,890 INFO L82 PathProgramCache]: Analyzing trace with hash 657368916, now seen corresponding path program 1 times [2019-11-25 08:49:19,891 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:19,891 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380234567] [2019-11-25 08:49:19,891 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:19,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:20,055 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:20,055 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-25 08:49:20,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:49:20 BoogieIcfgContainer [2019-11-25 08:49:20,081 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:49:20,082 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:49:20,082 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:49:20,082 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:49:20,083 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:49:19" (3/4) ... [2019-11-25 08:49:20,086 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:49:20,086 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:49:20,088 INFO L168 Benchmark]: Toolchain (without parser) took 1384.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -128.6 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:20,089 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:49:20,090 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -193.0 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:20,090 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:49:20,091 INFO L168 Benchmark]: Boogie Preprocessor took 29.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:49:20,091 INFO L168 Benchmark]: RCFGBuilder took 444.76 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: 29.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:20,092 INFO L168 Benchmark]: TraceAbstraction took 460.85 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: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:20,092 INFO L168 Benchmark]: Witness Printer took 4.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:49:20,095 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 392.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -193.0 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 444.76 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: 29.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 460.85 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: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. * Witness Printer took 4.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 73]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 39, overapproximation of someBinaryArithmeticDOUBLEoperation at line 68, overapproximation of bitwiseAnd at line 38. Possible FailurePath: [L68] double x = -1.0 / 0.0; [L45] __uint32_t high; [L47] ieee_double_shape_type gh_u; [L48] gh_u.value = (x) [L49] EXPR gh_u.parts.msw [L49] (high) = gh_u.parts.msw [L52] ieee_double_shape_type sh_u; [L53] sh_u.value = (x) [L54] sh_u.parts.msw = (high & 0x7fffffff) [L55] EXPR sh_u.value [L55] (x) = sh_u.value [L57] return x; [L69] double res = fabs_double(x); [L31] __int32_t hx, lx; [L33] ieee_double_shape_type ew_u; [L34] ew_u.value = (x) [L35] EXPR ew_u.parts.msw [L35] (hx) = ew_u.parts.msw [L36] EXPR ew_u.parts.lsw [L36] (lx) = ew_u.parts.lsw [L38] hx &= 0x7fffffff [L39] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L40] hx = 0x7ff00000 - hx [L41] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L72] COND TRUE !isinf_double(res) [L73] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 17 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-6b5699a [2019-11-25 08:49:21,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:49:21,944 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:49:21,960 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:49:21,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:49:21,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:49:21,964 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:49:21,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:49:21,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:49:21,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:49:21,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:49:21,984 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:49:21,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:49:21,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:49:21,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:49:21,989 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:49:21,990 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:49:21,991 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:49:21,994 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:49:21,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:49:22,001 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:49:22,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:49:22,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:49:22,007 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:49:22,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:49:22,010 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:49:22,010 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:49:22,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:49:22,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:49:22,015 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:49:22,015 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:49:22,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:49:22,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:49:22,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:49:22,018 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:49:22,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:49:22,019 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:49:22,019 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:49:22,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:49:22,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:49:22,022 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:49:22,022 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_70f895e9-7283-423a-89e4-bd6d091bbbc6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 08:49:22,049 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:49:22,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:49:22,051 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:49:22,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:49:22,052 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:49:22,053 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:49:22,053 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:49:22,053 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:49:22,054 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:49:22,054 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:49:22,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:49:22,055 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:49:22,055 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 08:49:22,056 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 08:49:22,056 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 08:49:22,056 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:49:22,056 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:49:22,057 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:49:22,057 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:49:22,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:49:22,057 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:49:22,058 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:49:22,058 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:49:22,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:49:22,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:49:22,059 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:49:22,059 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:49:22,059 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 08:49:22,060 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 08:49:22,060 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:49:22,060 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 08:49:22,060 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_70f895e9-7283-423a-89e4-bd6d091bbbc6/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56df0817616f6c5016a1ac832f32db0c87e1c370 [2019-11-25 08:49:22,395 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:49:22,414 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:49:22,418 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:49:22,419 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:49:22,420 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:49:22,421 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_70f895e9-7283-423a-89e4-bd6d091bbbc6/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1012b.c [2019-11-25 08:49:22,480 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_70f895e9-7283-423a-89e4-bd6d091bbbc6/bin/uautomizer/data/f7aac24b2/33a1591836fd438c86dc1646190e2cf5/FLAG00a0bb110 [2019-11-25 08:49:22,885 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:49:22,885 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_70f895e9-7283-423a-89e4-bd6d091bbbc6/sv-benchmarks/c/float-newlib/double_req_bl_1012b.c [2019-11-25 08:49:22,890 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_70f895e9-7283-423a-89e4-bd6d091bbbc6/bin/uautomizer/data/f7aac24b2/33a1591836fd438c86dc1646190e2cf5/FLAG00a0bb110 [2019-11-25 08:49:23,272 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_70f895e9-7283-423a-89e4-bd6d091bbbc6/bin/uautomizer/data/f7aac24b2/33a1591836fd438c86dc1646190e2cf5 [2019-11-25 08:49:23,274 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:49:23,275 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:49:23,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:49:23,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:49:23,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:49:23,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:49:23" (1/1) ... [2019-11-25 08:49:23,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61c9ab44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:23, skipping insertion in model container [2019-11-25 08:49:23,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:49:23" (1/1) ... [2019-11-25 08:49:23,292 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:49:23,308 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:49:23,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:49:23,512 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:49:23,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:49:23,596 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:49:23,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:23 WrapperNode [2019-11-25 08:49:23,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:49:23,598 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:49:23,598 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:49:23,599 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:49:23,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:23" (1/1) ... [2019-11-25 08:49:23,714 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:23" (1/1) ... [2019-11-25 08:49:23,744 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:49:23,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:49:23,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:49:23,744 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:49:23,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:23" (1/1) ... [2019-11-25 08:49:23,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:23" (1/1) ... [2019-11-25 08:49:23,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:23" (1/1) ... [2019-11-25 08:49:23,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:23" (1/1) ... [2019-11-25 08:49:23,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:23" (1/1) ... [2019-11-25 08:49:23,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:23" (1/1) ... [2019-11-25 08:49:23,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:23" (1/1) ... [2019-11-25 08:49:23,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:49:23,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:49:23,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:49:23,805 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:49:23,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70f895e9-7283-423a-89e4-bd6d091bbbc6/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:49:23,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-25 08:49:23,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-25 08:49:23,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:49:23,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-25 08:49:23,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:49:23,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:49:23,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-25 08:49:23,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:49:24,248 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:49:24,248 INFO L284 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-25 08:49:24,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:49:24 BoogieIcfgContainer [2019-11-25 08:49:24,249 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:49:24,250 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:49:24,250 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:49:24,254 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:49:24,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:49:23" (1/3) ... [2019-11-25 08:49:24,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42745d8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:49:24, skipping insertion in model container [2019-11-25 08:49:24,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:23" (2/3) ... [2019-11-25 08:49:24,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42745d8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:49:24, skipping insertion in model container [2019-11-25 08:49:24,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:49:24" (3/3) ... [2019-11-25 08:49:24,258 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1012b.c [2019-11-25 08:49:24,266 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:49:24,272 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:49:24,285 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:49:24,304 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:49:24,304 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:49:24,304 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:49:24,304 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:49:24,304 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:49:24,304 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:49:24,304 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:49:24,305 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:49:24,315 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2019-11-25 08:49:24,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-25 08:49:24,320 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:49:24,321 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:24,321 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:49:24,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:24,326 INFO L82 PathProgramCache]: Analyzing trace with hash -969083750, now seen corresponding path program 1 times [2019-11-25 08:49:24,333 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:49:24,333 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [796782814] [2019-11-25 08:49:24,333 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70f895e9-7283-423a-89e4-bd6d091bbbc6/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-25 08:49:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:24,427 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-25 08:49:24,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:49:24,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:24,445 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:49:24,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:24,449 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [796782814] [2019-11-25 08:49:24,450 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:49:24,450 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-25 08:49:24,451 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991659339] [2019-11-25 08:49:24,455 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-25 08:49:24,455 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 08:49:24,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:49:24,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:49:24,469 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2019-11-25 08:49:24,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:49:24,481 INFO L93 Difference]: Finished difference Result 34 states and 46 transitions. [2019-11-25 08:49:24,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:49:24,483 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-25 08:49:24,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:49:24,491 INFO L225 Difference]: With dead ends: 34 [2019-11-25 08:49:24,491 INFO L226 Difference]: Without dead ends: 15 [2019-11-25 08:49:24,494 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:49:24,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-11-25 08:49:24,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-11-25 08:49:24,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-25 08:49:24,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2019-11-25 08:49:24,524 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 11 [2019-11-25 08:49:24,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:49:24,525 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2019-11-25 08:49:24,525 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-25 08:49:24,525 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2019-11-25 08:49:24,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-25 08:49:24,526 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:49:24,526 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:24,737 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-25 08:49:24,737 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:49:24,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:24,738 INFO L82 PathProgramCache]: Analyzing trace with hash 657368916, now seen corresponding path program 1 times [2019-11-25 08:49:24,738 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:49:24,739 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [105042778] [2019-11-25 08:49:24,739 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70f895e9-7283-423a-89e4-bd6d091bbbc6/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-25 08:49:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:24,906 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 23 conjunts are in the unsatisfiable core [2019-11-25 08:49:24,910 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:49:25,048 INFO L377 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 66 treesize of output 60 [2019-11-25 08:49:25,063 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-25 08:49:25,068 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:49:25,069 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 08:49:25,096 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:49:25,097 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-11-25 08:49:25,098 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:97, output treesize:58 [2019-11-25 08:49:25,316 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2019-11-25 08:49:25,356 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-25 08:49:25,359 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 27 [2019-11-25 08:49:25,361 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-25 08:49:25,378 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:49:25,404 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:49:25,404 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 12 [2019-11-25 08:49:25,405 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-25 08:49:25,410 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:49:25,410 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-25 08:49:25,442 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:49:25,443 INFO L496 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-11-25 08:49:25,443 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 7 variables, input treesize:100, output treesize:72 [2019-11-25 08:49:25,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:25,898 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:49:26,172 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:49:26,173 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 93 treesize of output 87 [2019-11-25 08:49:26,195 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:49:26,196 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 67 treesize of output 65 [2019-11-25 08:49:26,197 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-25 08:49:26,217 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:49:26,237 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:49:26,238 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 47 [2019-11-25 08:49:26,246 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-25 08:49:26,257 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:49:26,258 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-25 08:49:26,279 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:49:26,280 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-25 08:49:26,280 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:103, output treesize:51 [2019-11-25 08:49:26,753 INFO L377 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 67 treesize of output 61 [2019-11-25 08:49:26,764 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-25 08:49:26,772 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:49:26,772 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 08:49:26,788 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:49:26,789 INFO L496 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. [2019-11-25 08:49:26,790 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:118, output treesize:82 [2019-11-25 08:49:28,829 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64))) (or (not (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (let ((.cse0 (concat (bvand (_ bv2147483647 32) c_ULTIMATE.start_fabs_double_~high~0) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))))) (not (= (_ bv4294967295 32) (bvneg (bvlshr (let ((.cse1 (bvadd (bvneg (bvor (bvand (_ bv2147483647 32) ((_ extract 63 32) v_skolemized_v_prenex_1_3)) (bvlshr (let ((.cse2 ((_ extract 31 0) v_skolemized_v_prenex_1_3))) (bvor .cse2 (bvneg .cse2))) (_ bv31 32)))) (_ bv2146435072 32)))) (bvor .cse1 (bvneg .cse1))) (_ bv31 32))))) (not (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)) c_ULTIMATE.start_fabs_double_~x)))) is different from false [2019-11-25 08:49:30,856 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64))) (or (not (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (let ((.cse0 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))))) (not (= (_ bv4294967295 32) (bvneg (bvlshr (let ((.cse1 (bvadd (bvneg (bvor (bvand (_ bv2147483647 32) ((_ extract 63 32) v_skolemized_v_prenex_1_3)) (bvlshr (let ((.cse2 ((_ extract 31 0) v_skolemized_v_prenex_1_3))) (bvor .cse2 (bvneg .cse2))) (_ bv31 32)))) (_ bv2146435072 32)))) (bvor .cse1 (bvneg .cse1))) (_ bv31 32))))) (not (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)) c_ULTIMATE.start_fabs_double_~x)) (not (= c_ULTIMATE.start_fabs_double_~x (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)))))) is different from false [2019-11-25 08:49:30,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:30,875 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [105042778] [2019-11-25 08:49:30,875 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:49:30,875 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 18 [2019-11-25 08:49:30,875 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088141217] [2019-11-25 08:49:30,877 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-25 08:49:30,877 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 08:49:30,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-25 08:49:30,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=204, Unknown=2, NotChecked=58, Total=306 [2019-11-25 08:49:30,878 INFO L87 Difference]: Start difference. First operand 15 states and 14 transitions. Second operand 18 states. [2019-11-25 08:49:32,148 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-11-25 08:49:32,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:49:32,150 INFO L93 Difference]: Finished difference Result 15 states and 14 transitions. [2019-11-25 08:49:32,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-25 08:49:32,150 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 14 [2019-11-25 08:49:32,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:49:32,150 INFO L225 Difference]: With dead ends: 15 [2019-11-25 08:49:32,150 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:49:32,152 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=96, Invalid=330, Unknown=2, NotChecked=78, Total=506 [2019-11-25 08:49:32,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:49:32,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:49:32,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:49:32,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:49:32,153 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-11-25 08:49:32,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:49:32,153 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:49:32,153 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-25 08:49:32,153 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:49:32,154 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:49:32,354 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-25 08:49:32,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-25 08:49:32,605 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-25 08:49:32,605 INFO L444 ceAbstractionStarter]: For program point L46-1(lines 46 50) no Hoare annotation was computed. [2019-11-25 08:49:32,606 INFO L447 ceAbstractionStarter]: At program point L77(lines 60 78) the Hoare annotation is: true [2019-11-25 08:49:32,606 INFO L440 ceAbstractionStarter]: At program point L46-2(lines 46 50) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) ULTIMATE.start_fabs_double_~x)) [2019-11-25 08:49:32,606 INFO L444 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-25 08:49:32,606 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-25 08:49:32,606 INFO L444 ceAbstractionStarter]: For program point L32-1(lines 32 37) no Hoare annotation was computed. [2019-11-25 08:49:32,607 INFO L440 ceAbstractionStarter]: At program point L32-2(lines 32 37) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (let ((.cse1 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)))) (and (= ULTIMATE.start_isinf_double_~x (let ((.cse0 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) (= .cse1 (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= .cse1 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)))))) (exists ((|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (let ((.cse3 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)))) (and (= |ULTIMATE.start_fabs_double_#res| (let ((.cse2 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2)))) (= .cse3 (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= .cse3 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)))))) (exists ((|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (let ((.cse4 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)))) (and (= .cse4 (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= .cse4 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|))) (= ULTIMATE.start_fabs_double_~x (let ((.cse5 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)))) (fp ((_ extract 63 63) .cse5) ((_ extract 62 52) .cse5) ((_ extract 51 0) .cse5)))))))) [2019-11-25 08:49:32,607 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-25 08:49:32,607 INFO L444 ceAbstractionStarter]: For program point L32-3(lines 32 37) no Hoare annotation was computed. [2019-11-25 08:49:32,607 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-25 08:49:32,607 INFO L440 ceAbstractionStarter]: At program point L57(lines 44 58) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (let ((.cse1 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)))) (and (= |ULTIMATE.start_fabs_double_#res| (let ((.cse0 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) (= .cse1 (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= .cse1 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)))))) (exists ((|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (let ((.cse2 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)))) (and (= .cse2 (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= .cse2 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|))) (= ULTIMATE.start_fabs_double_~x (let ((.cse3 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3)))))))) [2019-11-25 08:49:32,608 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed. [2019-11-25 08:49:32,608 INFO L444 ceAbstractionStarter]: For program point L51(lines 51 56) no Hoare annotation was computed. [2019-11-25 08:49:32,608 INFO L444 ceAbstractionStarter]: For program point L51-1(lines 44 58) no Hoare annotation was computed. [2019-11-25 08:49:32,608 INFO L444 ceAbstractionStarter]: For program point L51-2(lines 51 56) no Hoare annotation was computed. [2019-11-25 08:49:32,609 INFO L440 ceAbstractionStarter]: At program point L41(lines 30 42) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (let ((.cse1 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)))) (and (= ULTIMATE.start_isinf_double_~x (let ((.cse0 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) (= .cse1 (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= .cse1 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)))))) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (let ((.cse2 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)))) (and (= .cse2 (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= (bvadd |ULTIMATE.start_isinf_double_#res| (_ bv4294967295 32)) (bvneg (bvlshr (let ((.cse3 (bvadd (bvneg (bvor (bvand (_ bv2147483647 32) ((_ extract 63 32) v_skolemized_v_prenex_1_3)) (bvlshr (let ((.cse4 ((_ extract 31 0) v_skolemized_v_prenex_1_3))) (bvor .cse4 (bvneg .cse4))) (_ bv31 32)))) (_ bv2146435072 32)))) (bvor .cse3 (bvneg .cse3))) (_ bv31 32)))) (= .cse2 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (let ((.cse5 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)))) (fp ((_ extract 63 63) .cse5) ((_ extract 62 52) .cse5) ((_ extract 51 0) .cse5))))))) (exists ((|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (let ((.cse7 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)))) (and (= |ULTIMATE.start_fabs_double_#res| (let ((.cse6 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)))) (fp ((_ extract 63 63) .cse6) ((_ extract 62 52) .cse6) ((_ extract 51 0) .cse6)))) (= .cse7 (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= .cse7 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)))))) (exists ((|v_skolemized_q#valueAsBitvector_8| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (let ((.cse8 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_8|)))) (and (= .cse8 (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= .cse8 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|))) (= ULTIMATE.start_fabs_double_~x (let ((.cse9 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_8|)))) (fp ((_ extract 63 63) .cse9) ((_ extract 62 52) .cse9) ((_ extract 51 0) .cse9)))))))) [2019-11-25 08:49:32,609 INFO L444 ceAbstractionStarter]: For program point L72(lines 72 75) no Hoare annotation was computed. [2019-11-25 08:49:32,612 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-25 08:49:32,612 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-25 08:49:32,617 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-25 08:49:32,617 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-25 08:49:32,619 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:446) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:135) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:556) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:256) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:213) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-25 08:49:32,623 INFO L168 Benchmark]: Toolchain (without parser) took 9347.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 960.4 MB in the beginning and 912.2 MB in the end (delta: 48.2 MB). Peak memory consumption was 165.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:32,624 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:49:32,624 INFO L168 Benchmark]: CACSL2BoogieTranslator took 321.19 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 944.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:32,625 INFO L168 Benchmark]: Boogie Procedure Inliner took 146.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 944.3 MB in the beginning and 1.1 GB in the end (delta: -162.0 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:32,626 INFO L168 Benchmark]: Boogie Preprocessor took 59.78 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:49:32,626 INFO L168 Benchmark]: RCFGBuilder took 445.11 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: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:32,627 INFO L168 Benchmark]: TraceAbstraction took 8371.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 912.2 MB in the end (delta: 175.2 MB). Peak memory consumption was 175.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:32,630 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 321.19 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 944.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 146.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 944.3 MB in the beginning and 1.1 GB in the end (delta: -162.0 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.78 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 445.11 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: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8371.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 912.2 MB in the end (delta: 175.2 MB). Peak memory consumption was 175.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 73]: 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: 46]: Loop Invariant [2019-11-25 08:49:32,639 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-25 08:49:32,639 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-25 08:49:32,640 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-25 08:49:32,640 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 1 - ExceptionOrErrorResult: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...