./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1011a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c3aa155e-9e3c-48ad-a088-09bc00924a0d/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c3aa155e-9e3c-48ad-a088-09bc00924a0d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c3aa155e-9e3c-48ad-a088-09bc00924a0d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c3aa155e-9e3c-48ad-a088-09bc00924a0d/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1011a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c3aa155e-9e3c-48ad-a088-09bc00924a0d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c3aa155e-9e3c-48ad-a088-09bc00924a0d/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 84d0ee37d85bbc2c0fd59ce938796111cbf21a8f ............................................................................................................................................................................................................................................................................. 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_c3aa155e-9e3c-48ad-a088-09bc00924a0d/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c3aa155e-9e3c-48ad-a088-09bc00924a0d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c3aa155e-9e3c-48ad-a088-09bc00924a0d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c3aa155e-9e3c-48ad-a088-09bc00924a0d/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1011a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c3aa155e-9e3c-48ad-a088-09bc00924a0d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c3aa155e-9e3c-48ad-a088-09bc00924a0d/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 84d0ee37d85bbc2c0fd59ce938796111cbf21a8f ..................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-678e011 [2019-11-20 04:39:23,609 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 04:39:23,612 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 04:39:23,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 04:39:23,625 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 04:39:23,626 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 04:39:23,628 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 04:39:23,630 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 04:39:23,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 04:39:23,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 04:39:23,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 04:39:23,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 04:39:23,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 04:39:23,638 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 04:39:23,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 04:39:23,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 04:39:23,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 04:39:23,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 04:39:23,646 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 04:39:23,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 04:39:23,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 04:39:23,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 04:39:23,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 04:39:23,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 04:39:23,657 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 04:39:23,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 04:39:23,658 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 04:39:23,659 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 04:39:23,660 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 04:39:23,661 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 04:39:23,661 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 04:39:23,662 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 04:39:23,663 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 04:39:23,664 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 04:39:23,665 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 04:39:23,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 04:39:23,670 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 04:39:23,671 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 04:39:23,671 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 04:39:23,675 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 04:39:23,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 04:39:23,678 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c3aa155e-9e3c-48ad-a088-09bc00924a0d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 04:39:23,700 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 04:39:23,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 04:39:23,702 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 04:39:23,702 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 04:39:23,703 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 04:39:23,703 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 04:39:23,703 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 04:39:23,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 04:39:23,704 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 04:39:23,704 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 04:39:23,705 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 04:39:23,706 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 04:39:23,706 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 04:39:23,706 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 04:39:23,706 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 04:39:23,707 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 04:39:23,707 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 04:39:23,707 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 04:39:23,707 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 04:39:23,708 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 04:39:23,708 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 04:39:23,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 04:39:23,708 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 04:39:23,709 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 04:39:23,709 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 04:39:23,709 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 04:39:23,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 04:39:23,709 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 04:39:23,710 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_c3aa155e-9e3c-48ad-a088-09bc00924a0d/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 -> 84d0ee37d85bbc2c0fd59ce938796111cbf21a8f [2019-11-20 04:39:23,891 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 04:39:23,904 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 04:39:23,908 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 04:39:23,910 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 04:39:23,910 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 04:39:23,911 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c3aa155e-9e3c-48ad-a088-09bc00924a0d/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1011a.c [2019-11-20 04:39:23,973 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c3aa155e-9e3c-48ad-a088-09bc00924a0d/bin/uautomizer/data/3401194b7/2a51bb0516624f0fa6fd3792deed0962/FLAG191af5b92 [2019-11-20 04:39:24,477 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 04:39:24,478 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c3aa155e-9e3c-48ad-a088-09bc00924a0d/sv-benchmarks/c/float-newlib/double_req_bl_1011a.c [2019-11-20 04:39:24,487 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c3aa155e-9e3c-48ad-a088-09bc00924a0d/bin/uautomizer/data/3401194b7/2a51bb0516624f0fa6fd3792deed0962/FLAG191af5b92 [2019-11-20 04:39:24,873 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c3aa155e-9e3c-48ad-a088-09bc00924a0d/bin/uautomizer/data/3401194b7/2a51bb0516624f0fa6fd3792deed0962 [2019-11-20 04:39:24,877 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 04:39:24,878 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 04:39:24,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 04:39:24,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 04:39:24,891 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 04:39:24,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:39:24" (1/1) ... [2019-11-20 04:39:24,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57a5dfa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:24, skipping insertion in model container [2019-11-20 04:39:24,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:39:24" (1/1) ... [2019-11-20 04:39:24,901 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 04:39:24,917 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 04:39:25,159 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:39:25,178 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 04:39:25,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:39:25,233 INFO L192 MainTranslator]: Completed translation [2019-11-20 04:39:25,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:25 WrapperNode [2019-11-20 04:39:25,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 04:39:25,235 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 04:39:25,235 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 04:39:25,235 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 04:39:25,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:25" (1/1) ... [2019-11-20 04:39:25,259 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:25" (1/1) ... [2019-11-20 04:39:25,279 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 04:39:25,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 04:39:25,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 04:39:25,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 04:39:25,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:25" (1/1) ... [2019-11-20 04:39:25,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:25" (1/1) ... [2019-11-20 04:39:25,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:25" (1/1) ... [2019-11-20 04:39:25,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:25" (1/1) ... [2019-11-20 04:39:25,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:25" (1/1) ... [2019-11-20 04:39:25,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:25" (1/1) ... [2019-11-20 04:39:25,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:25" (1/1) ... [2019-11-20 04:39:25,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 04:39:25,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 04:39:25,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 04:39:25,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 04:39:25,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3aa155e-9e3c-48ad-a088-09bc00924a0d/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 [2019-11-20 04:39:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-20 04:39:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 04:39:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-20 04:39:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 04:39:25,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 04:39:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 04:39:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 04:39:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 04:39:25,662 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 04:39:25,663 INFO L285 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-20 04:39:25,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:39:25 BoogieIcfgContainer [2019-11-20 04:39:25,664 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 04:39:25,665 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 04:39:25,665 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 04:39:25,667 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 04:39:25,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 04:39:24" (1/3) ... [2019-11-20 04:39:25,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d146974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:39:25, skipping insertion in model container [2019-11-20 04:39:25,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:25" (2/3) ... [2019-11-20 04:39:25,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d146974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:39:25, skipping insertion in model container [2019-11-20 04:39:25,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:39:25" (3/3) ... [2019-11-20 04:39:25,671 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1011a.c [2019-11-20 04:39:25,680 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 04:39:25,686 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 04:39:25,697 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 04:39:25,720 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 04:39:25,721 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 04:39:25,721 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 04:39:25,721 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 04:39:25,721 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 04:39:25,721 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 04:39:25,722 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 04:39:25,722 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 04:39:25,736 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-11-20 04:39:25,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 04:39:25,743 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:39:25,744 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:39:25,744 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:39:25,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:39:25,750 INFO L82 PathProgramCache]: Analyzing trace with hash -1641221055, now seen corresponding path program 1 times [2019-11-20 04:39:25,762 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:39:25,763 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110906640] [2019-11-20 04:39:25,763 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:39:25,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:39:25,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:39:25,902 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110906640] [2019-11-20 04:39:25,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:39:25,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 04:39:25,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123791400] [2019-11-20 04:39:25,908 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 04:39:25,908 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:39:25,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 04:39:25,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 04:39:25,922 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2019-11-20 04:39:25,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:39:25,939 INFO L93 Difference]: Finished difference Result 36 states and 50 transitions. [2019-11-20 04:39:25,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 04:39:25,940 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-11-20 04:39:25,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:39:25,951 INFO L225 Difference]: With dead ends: 36 [2019-11-20 04:39:25,951 INFO L226 Difference]: Without dead ends: 16 [2019-11-20 04:39:25,954 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 [2019-11-20 04:39:25,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-20 04:39:25,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-20 04:39:25,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-20 04:39:25,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2019-11-20 04:39:25,986 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 9 [2019-11-20 04:39:25,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:39:25,987 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2019-11-20 04:39:25,987 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 04:39:25,987 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2019-11-20 04:39:25,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 04:39:25,988 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:39:25,988 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:39:25,989 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:39:25,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:39:25,989 INFO L82 PathProgramCache]: Analyzing trace with hash 558264036, now seen corresponding path program 1 times [2019-11-20 04:39:25,989 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:39:25,990 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902299708] [2019-11-20 04:39:25,990 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:39:26,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:39:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:39:26,094 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:39:26,094 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 04:39:26,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 04:39:26 BoogieIcfgContainer [2019-11-20 04:39:26,123 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 04:39:26,125 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 04:39:26,125 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 04:39:26,125 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 04:39:26,126 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:39:25" (3/4) ... [2019-11-20 04:39:26,130 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 04:39:26,130 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 04:39:26,132 INFO L168 Benchmark]: Toolchain (without parser) took 1253.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 948.8 MB in the beginning and 1.1 GB in the end (delta: -132.5 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-20 04:39:26,133 INFO L168 Benchmark]: CDTParser took 0.29 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. [2019-11-20 04:39:26,134 INFO L168 Benchmark]: CACSL2BoogieTranslator took 347.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 948.8 MB in the beginning and 1.1 GB in the end (delta: -182.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-20 04:39:26,135 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.29 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. [2019-11-20 04:39:26,135 INFO L168 Benchmark]: Boogie Preprocessor took 31.84 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. [2019-11-20 04:39:26,136 INFO L168 Benchmark]: RCFGBuilder took 352.31 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: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. [2019-11-20 04:39:26,137 INFO L168 Benchmark]: TraceAbstraction took 459.66 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: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2019-11-20 04:39:26,137 INFO L168 Benchmark]: Witness Printer took 5.51 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. [2019-11-20 04:39:26,141 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 347.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 948.8 MB in the beginning and 1.1 GB in the end (delta: -182.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.29 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 31.84 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 352.31 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: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 459.66 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: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * Witness Printer took 5.51 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: 52]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 51, overapproximation of bitwiseAnd at line 35. Possible FailurePath: [L47] double x = 0.0; [L26] __uint32_t high; [L28] ieee_double_shape_type gh_u; [L29] gh_u.value = (x) [L30] EXPR gh_u.parts.msw [L30] (high) = gh_u.parts.msw [L33] ieee_double_shape_type sh_u; [L34] sh_u.value = (x) [L35] sh_u.parts.msw = (high & 0x7fffffff) [L36] EXPR sh_u.value [L36] (x) = sh_u.value [L38] return x; [L48] double res = fabs_double(x); [L51] EXPR res == 0.0 && __signbit_double(res) == 0 [L51] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L52] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 19 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=19occurred 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, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-20 04:39:28,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 04:39:28,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 04:39:28,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 04:39:28,554 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 04:39:28,555 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 04:39:28,558 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 04:39:28,567 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 04:39:28,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 04:39:28,576 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 04:39:28,577 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 04:39:28,578 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 04:39:28,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 04:39:28,581 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 04:39:28,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 04:39:28,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 04:39:28,587 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 04:39:28,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 04:39:28,590 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 04:39:28,594 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 04:39:28,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 04:39:28,601 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 04:39:28,604 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 04:39:28,605 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 04:39:28,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 04:39:28,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 04:39:28,611 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 04:39:28,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 04:39:28,613 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 04:39:28,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 04:39:28,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 04:39:28,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 04:39:28,615 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 04:39:28,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 04:39:28,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 04:39:28,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 04:39:28,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 04:39:28,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 04:39:28,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 04:39:28,620 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 04:39:28,621 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 04:39:28,622 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c3aa155e-9e3c-48ad-a088-09bc00924a0d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 04:39:28,652 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 04:39:28,652 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 04:39:28,653 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 04:39:28,654 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 04:39:28,654 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 04:39:28,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 04:39:28,655 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 04:39:28,655 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 04:39:28,655 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 04:39:28,655 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 04:39:28,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 04:39:28,656 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 04:39:28,656 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 04:39:28,656 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 04:39:28,657 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 04:39:28,657 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 04:39:28,657 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 04:39:28,657 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 04:39:28,658 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 04:39:28,658 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 04:39:28,658 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 04:39:28,658 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 04:39:28,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 04:39:28,659 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 04:39:28,659 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 04:39:28,660 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 04:39:28,660 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 04:39:28,660 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 04:39:28,660 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 04:39:28,661 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 04:39:28,661 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_c3aa155e-9e3c-48ad-a088-09bc00924a0d/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 -> 84d0ee37d85bbc2c0fd59ce938796111cbf21a8f [2019-11-20 04:39:29,089 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 04:39:29,113 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 04:39:29,118 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 04:39:29,121 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 04:39:29,122 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 04:39:29,123 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c3aa155e-9e3c-48ad-a088-09bc00924a0d/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1011a.c [2019-11-20 04:39:29,194 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c3aa155e-9e3c-48ad-a088-09bc00924a0d/bin/uautomizer/data/62bff306e/74e7cd7ea37a4736a931cabeef6b8163/FLAGd2b66e383 [2019-11-20 04:39:29,655 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 04:39:29,655 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c3aa155e-9e3c-48ad-a088-09bc00924a0d/sv-benchmarks/c/float-newlib/double_req_bl_1011a.c [2019-11-20 04:39:29,663 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c3aa155e-9e3c-48ad-a088-09bc00924a0d/bin/uautomizer/data/62bff306e/74e7cd7ea37a4736a931cabeef6b8163/FLAGd2b66e383 [2019-11-20 04:39:30,070 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c3aa155e-9e3c-48ad-a088-09bc00924a0d/bin/uautomizer/data/62bff306e/74e7cd7ea37a4736a931cabeef6b8163 [2019-11-20 04:39:30,074 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 04:39:30,076 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 04:39:30,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 04:39:30,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 04:39:30,086 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 04:39:30,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:39:30" (1/1) ... [2019-11-20 04:39:30,090 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2015596a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:30, skipping insertion in model container [2019-11-20 04:39:30,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:39:30" (1/1) ... [2019-11-20 04:39:30,104 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 04:39:30,128 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 04:39:30,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:39:30,386 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 04:39:30,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:39:30,465 INFO L192 MainTranslator]: Completed translation [2019-11-20 04:39:30,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:30 WrapperNode [2019-11-20 04:39:30,466 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 04:39:30,467 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 04:39:30,467 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 04:39:30,467 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 04:39:30,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:30" (1/1) ... [2019-11-20 04:39:30,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:30" (1/1) ... [2019-11-20 04:39:30,584 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 04:39:30,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 04:39:30,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 04:39:30,584 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 04:39:30,594 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:30" (1/1) ... [2019-11-20 04:39:30,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:30" (1/1) ... [2019-11-20 04:39:30,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:30" (1/1) ... [2019-11-20 04:39:30,599 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:30" (1/1) ... [2019-11-20 04:39:30,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:30" (1/1) ... [2019-11-20 04:39:30,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:30" (1/1) ... [2019-11-20 04:39:30,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:30" (1/1) ... [2019-11-20 04:39:30,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 04:39:30,647 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 04:39:30,647 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 04:39:30,647 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 04:39:30,649 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3aa155e-9e3c-48ad-a088-09bc00924a0d/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 [2019-11-20 04:39:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-20 04:39:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 04:39:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-20 04:39:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 04:39:30,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 04:39:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 04:39:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 04:39:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 04:39:31,149 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 04:39:31,150 INFO L285 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-20 04:39:31,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:39:31 BoogieIcfgContainer [2019-11-20 04:39:31,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 04:39:31,152 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 04:39:31,153 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 04:39:31,156 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 04:39:31,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 04:39:30" (1/3) ... [2019-11-20 04:39:31,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e50858c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:39:31, skipping insertion in model container [2019-11-20 04:39:31,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:30" (2/3) ... [2019-11-20 04:39:31,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e50858c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:39:31, skipping insertion in model container [2019-11-20 04:39:31,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:39:31" (3/3) ... [2019-11-20 04:39:31,160 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1011a.c [2019-11-20 04:39:31,169 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 04:39:31,176 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 04:39:31,187 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 04:39:31,214 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 04:39:31,214 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 04:39:31,214 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 04:39:31,215 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 04:39:31,215 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 04:39:31,215 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 04:39:31,215 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 04:39:31,216 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 04:39:31,232 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-11-20 04:39:31,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 04:39:31,239 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:39:31,240 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:39:31,240 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:39:31,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:39:31,246 INFO L82 PathProgramCache]: Analyzing trace with hash -1641221055, now seen corresponding path program 1 times [2019-11-20 04:39:31,255 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 04:39:31,255 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2049131096] [2019-11-20 04:39:31,256 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3aa155e-9e3c-48ad-a088-09bc00924a0d/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 [2019-11-20 04:39:31,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:39:31,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-20 04:39:31,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:39:31,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:39:31,349 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 04:39:31,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:39:31,353 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2049131096] [2019-11-20 04:39:31,354 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:39:31,354 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-20 04:39:31,355 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107889858] [2019-11-20 04:39:31,359 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 04:39:31,359 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 04:39:31,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 04:39:31,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 04:39:31,372 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2019-11-20 04:39:31,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:39:31,389 INFO L93 Difference]: Finished difference Result 36 states and 50 transitions. [2019-11-20 04:39:31,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 04:39:31,390 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-11-20 04:39:31,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:39:31,399 INFO L225 Difference]: With dead ends: 36 [2019-11-20 04:39:31,399 INFO L226 Difference]: Without dead ends: 16 [2019-11-20 04:39:31,402 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 04:39:31,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-20 04:39:31,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-20 04:39:31,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-20 04:39:31,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2019-11-20 04:39:31,438 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 9 [2019-11-20 04:39:31,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:39:31,439 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2019-11-20 04:39:31,439 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 04:39:31,440 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2019-11-20 04:39:31,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 04:39:31,440 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:39:31,441 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:39:31,648 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 04:39:31,648 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:39:31,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:39:31,649 INFO L82 PathProgramCache]: Analyzing trace with hash 558264036, now seen corresponding path program 1 times [2019-11-20 04:39:31,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 04:39:31,650 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1713575013] [2019-11-20 04:39:31,650 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3aa155e-9e3c-48ad-a088-09bc00924a0d/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 [2019-11-20 04:39:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:39:31,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-20 04:39:31,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:39:31,934 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 [2019-11-20 04:39:31,945 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 04:39:31,952 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:39:31,953 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-20 04:39:31,972 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:39:31,973 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. [2019-11-20 04:39:31,974 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:85, output treesize:46 [2019-11-20 04:39:32,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:39:32,034 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 04:39:32,036 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:39:32,084 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 60 treesize of output 54 [2019-11-20 04:39:32,090 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 04:39:32,094 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:39:32,095 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-20 04:39:32,114 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:39:32,114 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-20 04:39:32,115 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:71, output treesize:35 [2019-11-20 04:39:32,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:39:32,207 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1713575013] [2019-11-20 04:39:32,208 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:39:32,208 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2019-11-20 04:39:32,208 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59783087] [2019-11-20 04:39:32,210 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-20 04:39:32,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 04:39:32,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-20 04:39:32,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-11-20 04:39:32,211 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 9 states. [2019-11-20 04:39:32,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:39:32,377 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2019-11-20 04:39:32,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 04:39:32,378 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 11 [2019-11-20 04:39:32,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:39:32,379 INFO L225 Difference]: With dead ends: 19 [2019-11-20 04:39:32,379 INFO L226 Difference]: Without dead ends: 16 [2019-11-20 04:39:32,381 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-11-20 04:39:32,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-20 04:39:32,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-20 04:39:32,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-20 04:39:32,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2019-11-20 04:39:32,386 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 11 [2019-11-20 04:39:32,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:39:32,387 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2019-11-20 04:39:32,387 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-20 04:39:32,387 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2019-11-20 04:39:32,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 04:39:32,388 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:39:32,389 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:39:32,589 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-20 04:39:32,590 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:39:32,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:39:32,590 INFO L82 PathProgramCache]: Analyzing trace with hash -2014349959, now seen corresponding path program 1 times [2019-11-20 04:39:32,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 04:39:32,591 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1051147372] [2019-11-20 04:39:32,592 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3aa155e-9e3c-48ad-a088-09bc00924a0d/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-20 04:39:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:39:32,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-20 04:39:32,727 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:39:32,775 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 54 treesize of output 48 [2019-11-20 04:39:32,783 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2019-11-20 04:39:32,784 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-20 04:39:32,789 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:39:32,790 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-20 04:39:32,806 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:39:32,807 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-20 04:39:32,807 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:64, output treesize:34 [2019-11-20 04:39:33,057 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:39:33,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:39:33,163 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 04:39:33,165 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:39:33,543 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 55 treesize of output 49 [2019-11-20 04:39:33,555 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2019-11-20 04:39:33,555 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-20 04:39:33,561 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:39:33,562 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-20 04:39:33,573 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 04:39:33,574 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-20 04:39:33,575 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:62, output treesize:35 [2019-11-20 04:39:33,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:39:33,798 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1051147372] [2019-11-20 04:39:33,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:39:33,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 18 [2019-11-20 04:39:33,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116122981] [2019-11-20 04:39:33,799 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-20 04:39:33,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 04:39:33,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-20 04:39:33,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2019-11-20 04:39:33,801 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 18 states. [2019-11-20 04:39:34,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:39:34,536 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2019-11-20 04:39:34,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 04:39:34,537 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 15 [2019-11-20 04:39:34,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:39:34,537 INFO L225 Difference]: With dead ends: 16 [2019-11-20 04:39:34,538 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 04:39:34,539 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=138, Invalid=414, Unknown=0, NotChecked=0, Total=552 [2019-11-20 04:39:34,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 04:39:34,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 04:39:34,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 04:39:34,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 04:39:34,540 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2019-11-20 04:39:34,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:39:34,540 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 04:39:34,540 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-20 04:39:34,540 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 04:39:34,540 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 04:39:34,741 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-20 04:39:34,744 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 04:39:35,070 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 48 [2019-11-20 04:39:35,080 INFO L444 ceAbstractionStarter]: For program point L27-1(lines 27 31) no Hoare annotation was computed. [2019-11-20 04:39:35,080 INFO L440 ceAbstractionStarter]: At program point L27-2(lines 27 31) the Hoare annotation is: (= ULTIMATE.start_fabs_double_~x (_ +zero 11 53)) [2019-11-20 04:39:35,081 INFO L440 ceAbstractionStarter]: At program point L23(lines 14 24) the Hoare annotation is: (and (= ULTIMATE.start_fabs_double_~x (_ +zero 11 53)) (= |ULTIMATE.start___signbit_double_#res| (_ bv0 32)) (= |ULTIMATE.start_fabs_double_#res| (_ +zero 11 53)) (exists ((v_skolemized_v_prenex_2_3 (_ BitVec 64)) (v_arrayElimCell_4 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (let ((.cse0 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) (fp ((_ extract 63 63) v_skolemized_v_prenex_2_3) ((_ extract 62 52) v_skolemized_v_prenex_2_3) ((_ extract 51 0) v_skolemized_v_prenex_2_3))) (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= ULTIMATE.start___signbit_double_~msw~0 ((_ extract 63 32) v_skolemized_v_prenex_2_3)))) |ULTIMATE.start_main_#t~short8| (exists ((v_arrayElimCell_4 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= (let ((.cse1 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) ULTIMATE.start_main_~res~0))) (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= ULTIMATE.start_fabs_double_~high~0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))))) (exists ((v_arrayElimCell_4 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= (let ((.cse2 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) ULTIMATE.start___signbit_double_~x)))) [2019-11-20 04:39:35,081 INFO L444 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-20 04:39:35,081 INFO L444 ceAbstractionStarter]: For program point L32(lines 32 37) no Hoare annotation was computed. [2019-11-20 04:39:35,081 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 04:39:35,081 INFO L444 ceAbstractionStarter]: For program point L32-1(lines 25 39) no Hoare annotation was computed. [2019-11-20 04:39:35,081 INFO L444 ceAbstractionStarter]: For program point L32-2(lines 32 37) no Hoare annotation was computed. [2019-11-20 04:39:35,082 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 04:39:35,082 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 04:39:35,082 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 52) no Hoare annotation was computed. [2019-11-20 04:39:35,082 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 04:39:35,082 INFO L444 ceAbstractionStarter]: For program point L17-1(lines 17 21) no Hoare annotation was computed. [2019-11-20 04:39:35,083 INFO L440 ceAbstractionStarter]: At program point L17-2(lines 17 21) the Hoare annotation is: (and (= ULTIMATE.start_fabs_double_~x (_ +zero 11 53)) (= |ULTIMATE.start_fabs_double_#res| (_ +zero 11 53)) |ULTIMATE.start_main_#t~short8| (exists ((v_arrayElimCell_4 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= (let ((.cse0 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) ULTIMATE.start_main_~res~0))) (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= ULTIMATE.start_fabs_double_~high~0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))))) (exists ((v_arrayElimCell_4 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= (let ((.cse1 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) ULTIMATE.start___signbit_double_~x)))) [2019-11-20 04:39:35,083 INFO L444 ceAbstractionStarter]: For program point L17-3(lines 17 21) no Hoare annotation was computed. [2019-11-20 04:39:35,083 INFO L440 ceAbstractionStarter]: At program point L38(lines 25 39) the Hoare annotation is: (and (= ULTIMATE.start_fabs_double_~x (_ +zero 11 53)) (= |ULTIMATE.start_fabs_double_#res| (_ +zero 11 53)) (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= ULTIMATE.start_fabs_double_~high~0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|)))))) [2019-11-20 04:39:35,083 INFO L447 ceAbstractionStarter]: At program point L55(lines 41 56) the Hoare annotation is: true [2019-11-20 04:39:35,083 INFO L444 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2019-11-20 04:39:35,084 INFO L444 ceAbstractionStarter]: For program point L51-2(lines 51 54) no Hoare annotation was computed. [2019-11-20 04:39:35,089 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) [2019-11-20 04:39:35,093 INFO L168 Benchmark]: Toolchain (without parser) took 5017.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 960.4 MB in the beginning and 904.5 MB in the end (delta: 55.9 MB). Peak memory consumption was 181.2 MB. Max. memory is 11.5 GB. [2019-11-20 04:39:35,094 INFO L168 Benchmark]: CDTParser took 0.35 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. [2019-11-20 04:39:35,095 INFO L168 Benchmark]: CACSL2BoogieTranslator took 385.10 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-20 04:39:35,096 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -172.1 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2019-11-20 04:39:35,096 INFO L168 Benchmark]: Boogie Preprocessor took 62.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 04:39:35,097 INFO L168 Benchmark]: RCFGBuilder took 504.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2019-11-20 04:39:35,098 INFO L168 Benchmark]: TraceAbstraction took 3939.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 904.5 MB in the end (delta: 186.1 MB). Peak memory consumption was 186.1 MB. Max. memory is 11.5 GB. [2019-11-20 04:39:35,102 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 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 385.10 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 117.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -172.1 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 504.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3939.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 904.5 MB in the end (delta: 186.1 MB). Peak memory consumption was 186.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 52]: 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 - 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...