./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1052d.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c551fe7d-c760-42e0-80a0-2ad0d2f2fd99/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c551fe7d-c760-42e0-80a0-2ad0d2f2fd99/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c551fe7d-c760-42e0-80a0-2ad0d2f2fd99/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c551fe7d-c760-42e0-80a0-2ad0d2f2fd99/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1052d.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c551fe7d-c760-42e0-80a0-2ad0d2f2fd99/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c551fe7d-c760-42e0-80a0-2ad0d2f2fd99/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 204277589f1e9105606b7fb7cfd8af760c5fd585 .......................................................................................................................................................................................................................................................................................... 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_c551fe7d-c760-42e0-80a0-2ad0d2f2fd99/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c551fe7d-c760-42e0-80a0-2ad0d2f2fd99/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c551fe7d-c760-42e0-80a0-2ad0d2f2fd99/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c551fe7d-c760-42e0-80a0-2ad0d2f2fd99/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1052d.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c551fe7d-c760-42e0-80a0-2ad0d2f2fd99/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c551fe7d-c760-42e0-80a0-2ad0d2f2fd99/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 204277589f1e9105606b7fb7cfd8af760c5fd585 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 0.1.25-f470102 [2019-12-07 18:44:51,855 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:44:51,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:44:51,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:44:51,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:44:51,866 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:44:51,867 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:44:51,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:44:51,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:44:51,870 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:44:51,871 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:44:51,872 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:44:51,872 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:44:51,873 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:44:51,873 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:44:51,874 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:44:51,875 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:44:51,876 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:44:51,877 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:44:51,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:44:51,880 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:44:51,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:44:51,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:44:51,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:44:51,883 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:44:51,883 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:44:51,884 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:44:51,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:44:51,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:44:51,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:44:51,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:44:51,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:44:51,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:44:51,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:44:51,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:44:51,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:44:51,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:44:51,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:44:51,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:44:51,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:44:51,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:44:51,890 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c551fe7d-c760-42e0-80a0-2ad0d2f2fd99/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 18:44:51,903 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:44:51,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:44:51,904 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:44:51,904 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:44:51,904 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:44:51,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:44:51,905 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:44:51,905 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:44:51,905 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:44:51,905 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:44:51,905 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 18:44:51,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:44:51,906 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 18:44:51,906 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:44:51,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:44:51,906 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:44:51,907 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 18:44:51,907 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:44:51,907 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:44:51,907 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:44:51,907 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:44:51,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:44:51,908 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:44:51,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:44:51,908 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 18:44:51,908 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:44:51,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 18:44:51,909 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 18:44:51,909 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:44:51,909 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_c551fe7d-c760-42e0-80a0-2ad0d2f2fd99/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 -> 204277589f1e9105606b7fb7cfd8af760c5fd585 [2019-12-07 18:44:52,007 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:44:52,015 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:44:52,017 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:44:52,018 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:44:52,018 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:44:52,019 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c551fe7d-c760-42e0-80a0-2ad0d2f2fd99/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1052d.c [2019-12-07 18:44:52,055 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c551fe7d-c760-42e0-80a0-2ad0d2f2fd99/bin/uautomizer/data/0bb14d84c/151d7ef9319f4835a6c8fff669bb7757/FLAG93b8af66b [2019-12-07 18:44:52,481 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:44:52,482 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c551fe7d-c760-42e0-80a0-2ad0d2f2fd99/sv-benchmarks/c/float-newlib/double_req_bl_1052d.c [2019-12-07 18:44:52,486 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c551fe7d-c760-42e0-80a0-2ad0d2f2fd99/bin/uautomizer/data/0bb14d84c/151d7ef9319f4835a6c8fff669bb7757/FLAG93b8af66b [2019-12-07 18:44:52,495 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c551fe7d-c760-42e0-80a0-2ad0d2f2fd99/bin/uautomizer/data/0bb14d84c/151d7ef9319f4835a6c8fff669bb7757 [2019-12-07 18:44:52,497 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:44:52,498 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:44:52,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:44:52,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:44:52,501 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:44:52,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:44:52" (1/1) ... [2019-12-07 18:44:52,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39ea666e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:52, skipping insertion in model container [2019-12-07 18:44:52,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:44:52" (1/1) ... [2019-12-07 18:44:52,508 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:44:52,521 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:44:52,666 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:44:52,668 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:44:52,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:44:52,706 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:44:52,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:52 WrapperNode [2019-12-07 18:44:52,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:44:52,707 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:44:52,707 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:44:52,707 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:44:52,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:52" (1/1) ... [2019-12-07 18:44:52,719 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:52" (1/1) ... [2019-12-07 18:44:52,735 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:44:52,735 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:44:52,735 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:44:52,735 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:44:52,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:52" (1/1) ... [2019-12-07 18:44:52,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:52" (1/1) ... [2019-12-07 18:44:52,743 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:52" (1/1) ... [2019-12-07 18:44:52,743 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:52" (1/1) ... [2019-12-07 18:44:52,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:52" (1/1) ... [2019-12-07 18:44:52,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:52" (1/1) ... [2019-12-07 18:44:52,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:52" (1/1) ... [2019-12-07 18:44:52,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:44:52,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:44:52,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:44:52,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:44:52,756 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c551fe7d-c760-42e0-80a0-2ad0d2f2fd99/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 [2019-12-07 18:44:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 18:44:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 18:44:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 18:44:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:44:52,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:44:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 18:44:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:44:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 18:44:52,996 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:44:52,996 INFO L287 CfgBuilder]: Removed 14 assume(true) statements. [2019-12-07 18:44:52,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:44:52 BoogieIcfgContainer [2019-12-07 18:44:52,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:44:52,998 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 18:44:52,998 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 18:44:53,000 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 18:44:53,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 06:44:52" (1/3) ... [2019-12-07 18:44:53,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d03397e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:44:53, skipping insertion in model container [2019-12-07 18:44:53,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:52" (2/3) ... [2019-12-07 18:44:53,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d03397e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:44:53, skipping insertion in model container [2019-12-07 18:44:53,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:44:52" (3/3) ... [2019-12-07 18:44:53,002 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1052d.c [2019-12-07 18:44:53,008 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 18:44:53,012 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 18:44:53,021 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 18:44:53,035 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 18:44:53,036 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 18:44:53,036 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 18:44:53,036 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:44:53,036 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:44:53,036 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 18:44:53,036 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:44:53,036 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 18:44:53,045 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2019-12-07 18:44:53,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 18:44:53,049 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:44:53,050 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:44:53,050 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:44:53,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:44:53,053 INFO L82 PathProgramCache]: Analyzing trace with hash -1930029915, now seen corresponding path program 1 times [2019-12-07 18:44:53,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:44:53,059 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748865966] [2019-12-07 18:44:53,059 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:44:53,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:44:53,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:44:53,136 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748865966] [2019-12-07 18:44:53,136 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:44:53,137 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 18:44:53,137 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576764068] [2019-12-07 18:44:53,141 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 18:44:53,141 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:44:53,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 18:44:53,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 18:44:53,152 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 2 states. [2019-12-07 18:44:53,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:44:53,165 INFO L93 Difference]: Finished difference Result 74 states and 118 transitions. [2019-12-07 18:44:53,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 18:44:53,166 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-12-07 18:44:53,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:44:53,172 INFO L225 Difference]: With dead ends: 74 [2019-12-07 18:44:53,173 INFO L226 Difference]: Without dead ends: 35 [2019-12-07 18:44:53,175 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 [2019-12-07 18:44:53,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-12-07 18:44:53,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-12-07 18:44:53,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-12-07 18:44:53,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 50 transitions. [2019-12-07 18:44:53,197 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 50 transitions. Word has length 11 [2019-12-07 18:44:53,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:44:53,198 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 50 transitions. [2019-12-07 18:44:53,198 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 18:44:53,198 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2019-12-07 18:44:53,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 18:44:53,198 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:44:53,198 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:44:53,199 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:44:53,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:44:53,199 INFO L82 PathProgramCache]: Analyzing trace with hash -1310108990, now seen corresponding path program 1 times [2019-12-07 18:44:53,199 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:44:53,199 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205867042] [2019-12-07 18:44:53,199 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:44:53,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:44:53,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:44:53,253 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:44:53,254 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 18:44:53,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 06:44:53 BoogieIcfgContainer [2019-12-07 18:44:53,273 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 18:44:53,273 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:44:53,273 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:44:53,273 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:44:53,273 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:44:52" (3/4) ... [2019-12-07 18:44:53,276 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 18:44:53,276 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:44:53,277 INFO L168 Benchmark]: Toolchain (without parser) took 779.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -134.5 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-12-07 18:44:53,277 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:44:53,278 INFO L168 Benchmark]: CACSL2BoogieTranslator took 208.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -195.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-12-07 18:44:53,278 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.73 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:44:53,279 INFO L168 Benchmark]: Boogie Preprocessor took 20.19 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. [2019-12-07 18:44:53,279 INFO L168 Benchmark]: RCFGBuilder took 241.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:44:53,280 INFO L168 Benchmark]: TraceAbstraction took 274.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2019-12-07 18:44:53,280 INFO L168 Benchmark]: Witness Printer took 2.86 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. [2019-12-07 18:44:53,282 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 208.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -195.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.73 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.19 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 241.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 274.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. * Witness Printer took 2.86 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: 103]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of shiftRight at line 37, overapproximation of bitwiseOr at line 38, overapproximation of bitwiseAnd at line 25, overapproximation of someBinaryDOUBLEComparisonOperation at line 102. Possible FailurePath: [L14] static const double huge_floor = 1.0e300; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L98] double x = 0.0; [L17] __int32_t i0, i1, j0; [L18] __uint32_t i, j; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L20] ieee_double_shape_type ew_u; [L21] ew_u.value = (x) [L22] EXPR ew_u.parts.msw [L22] (i0) = ew_u.parts.msw [L23] EXPR ew_u.parts.lsw [L23] (i1) = ew_u.parts.lsw [L25] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L26] COND TRUE j0 < 20 VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L27] COND FALSE !(j0 < 0) [L37] i = (0x000fffff) >> j0 VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L38] COND TRUE ((i0 & i) | i1) == 0 [L39] return x; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L99] double res = floor_double(x); [L102] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L102] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L103] __VERIFIER_error() VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 38 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 53 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=38occurred 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, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 18:44:54,683 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:44:54,684 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:44:54,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:44:54,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:44:54,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:44:54,695 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:44:54,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:44:54,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:44:54,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:44:54,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:44:54,700 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:44:54,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:44:54,701 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:44:54,702 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:44:54,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:44:54,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:44:54,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:44:54,705 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:44:54,707 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:44:54,708 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:44:54,709 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:44:54,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:44:54,711 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:44:54,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:44:54,714 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:44:54,714 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:44:54,715 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:44:54,715 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:44:54,716 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:44:54,716 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:44:54,717 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:44:54,717 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:44:54,718 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:44:54,718 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:44:54,718 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:44:54,719 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:44:54,719 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:44:54,719 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:44:54,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:44:54,720 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:44:54,720 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c551fe7d-c760-42e0-80a0-2ad0d2f2fd99/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 18:44:54,732 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:44:54,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:44:54,733 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:44:54,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:44:54,734 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:44:54,734 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:44:54,734 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:44:54,734 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:44:54,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:44:54,735 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 18:44:54,735 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:44:54,735 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 18:44:54,735 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 18:44:54,735 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 18:44:54,736 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:44:54,736 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:44:54,736 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:44:54,736 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 18:44:54,736 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:44:54,737 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:44:54,737 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:44:54,737 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:44:54,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:44:54,737 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:44:54,737 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:44:54,738 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 18:44:54,738 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 18:44:54,738 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 18:44:54,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 18:44:54,738 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:44:54,739 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 18:44:54,739 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_c551fe7d-c760-42e0-80a0-2ad0d2f2fd99/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 -> 204277589f1e9105606b7fb7cfd8af760c5fd585 [2019-12-07 18:44:54,911 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:44:54,920 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:44:54,922 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:44:54,923 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:44:54,923 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:44:54,924 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c551fe7d-c760-42e0-80a0-2ad0d2f2fd99/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1052d.c [2019-12-07 18:44:54,963 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c551fe7d-c760-42e0-80a0-2ad0d2f2fd99/bin/uautomizer/data/0ab137bb3/a7b0ccdc3b134a16ad8ba71ca1e58436/FLAG7267604dd [2019-12-07 18:44:55,311 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:44:55,312 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c551fe7d-c760-42e0-80a0-2ad0d2f2fd99/sv-benchmarks/c/float-newlib/double_req_bl_1052d.c [2019-12-07 18:44:55,316 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c551fe7d-c760-42e0-80a0-2ad0d2f2fd99/bin/uautomizer/data/0ab137bb3/a7b0ccdc3b134a16ad8ba71ca1e58436/FLAG7267604dd [2019-12-07 18:44:55,325 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c551fe7d-c760-42e0-80a0-2ad0d2f2fd99/bin/uautomizer/data/0ab137bb3/a7b0ccdc3b134a16ad8ba71ca1e58436 [2019-12-07 18:44:55,327 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:44:55,328 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:44:55,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:44:55,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:44:55,330 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:44:55,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:44:55" (1/1) ... [2019-12-07 18:44:55,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@357db60c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:55, skipping insertion in model container [2019-12-07 18:44:55,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:44:55" (1/1) ... [2019-12-07 18:44:55,338 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:44:55,350 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:44:55,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:44:55,466 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:44:55,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:44:55,536 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:44:55,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:55 WrapperNode [2019-12-07 18:44:55,536 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:44:55,536 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:44:55,536 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:44:55,537 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:44:55,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:55" (1/1) ... [2019-12-07 18:44:55,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:55" (1/1) ... [2019-12-07 18:44:55,565 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:44:55,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:44:55,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:44:55,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:44:55,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:55" (1/1) ... [2019-12-07 18:44:55,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:55" (1/1) ... [2019-12-07 18:44:55,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:55" (1/1) ... [2019-12-07 18:44:55,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:55" (1/1) ... [2019-12-07 18:44:55,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:55" (1/1) ... [2019-12-07 18:44:55,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:55" (1/1) ... [2019-12-07 18:44:55,587 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:55" (1/1) ... [2019-12-07 18:44:55,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:44:55,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:44:55,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:44:55,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:44:55,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c551fe7d-c760-42e0-80a0-2ad0d2f2fd99/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 [2019-12-07 18:44:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 18:44:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 18:44:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:44:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 18:44:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:44:55,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:44:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 18:44:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 18:44:56,609 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:44:56,609 INFO L287 CfgBuilder]: Removed 14 assume(true) statements. [2019-12-07 18:44:56,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:44:56 BoogieIcfgContainer [2019-12-07 18:44:56,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:44:56,610 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 18:44:56,610 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 18:44:56,612 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 18:44:56,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 06:44:55" (1/3) ... [2019-12-07 18:44:56,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fb15cce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:44:56, skipping insertion in model container [2019-12-07 18:44:56,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:55" (2/3) ... [2019-12-07 18:44:56,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fb15cce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:44:56, skipping insertion in model container [2019-12-07 18:44:56,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:44:56" (3/3) ... [2019-12-07 18:44:56,614 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1052d.c [2019-12-07 18:44:56,620 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 18:44:56,625 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 18:44:56,632 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 18:44:56,646 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 18:44:56,646 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 18:44:56,646 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 18:44:56,646 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:44:56,646 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:44:56,646 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 18:44:56,647 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:44:56,647 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 18:44:56,656 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2019-12-07 18:44:56,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 18:44:56,660 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:44:56,660 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:44:56,661 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:44:56,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:44:56,664 INFO L82 PathProgramCache]: Analyzing trace with hash -1930029915, now seen corresponding path program 1 times [2019-12-07 18:44:56,671 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:44:56,671 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1842025490] [2019-12-07 18:44:56,671 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c551fe7d-c760-42e0-80a0-2ad0d2f2fd99/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 [2019-12-07 18:44:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:44:56,726 INFO L264 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 18:44:56,730 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:44:56,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:44:56,740 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:44:56,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:44:56,744 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1842025490] [2019-12-07 18:44:56,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:44:56,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 18:44:56,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267626178] [2019-12-07 18:44:56,749 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 18:44:56,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:44:56,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 18:44:56,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 18:44:56,760 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 2 states. [2019-12-07 18:44:56,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:44:56,774 INFO L93 Difference]: Finished difference Result 74 states and 118 transitions. [2019-12-07 18:44:56,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 18:44:56,775 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-12-07 18:44:56,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:44:56,782 INFO L225 Difference]: With dead ends: 74 [2019-12-07 18:44:56,782 INFO L226 Difference]: Without dead ends: 35 [2019-12-07 18:44:56,784 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 18:44:56,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-12-07 18:44:56,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-12-07 18:44:56,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-12-07 18:44:56,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 50 transitions. [2019-12-07 18:44:56,808 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 50 transitions. Word has length 11 [2019-12-07 18:44:56,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:44:56,809 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 50 transitions. [2019-12-07 18:44:56,809 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 18:44:56,809 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2019-12-07 18:44:56,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 18:44:56,809 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:44:56,810 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:44:57,010 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 18:44:57,011 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:44:57,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:44:57,012 INFO L82 PathProgramCache]: Analyzing trace with hash -1310108990, now seen corresponding path program 1 times [2019-12-07 18:44:57,015 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:44:57,016 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [750850189] [2019-12-07 18:44:57,016 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c551fe7d-c760-42e0-80a0-2ad0d2f2fd99/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 [2019-12-07 18:44:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:44:57,120 INFO L264 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 18:44:57,122 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:44:57,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:44:57,185 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:44:57,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:44:57,241 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [750850189] [2019-12-07 18:44:57,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:44:57,241 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 18:44:57,241 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141157031] [2019-12-07 18:44:57,242 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 18:44:57,242 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:44:57,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 18:44:57,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 18:44:57,243 INFO L87 Difference]: Start difference. First operand 35 states and 50 transitions. Second operand 8 states. [2019-12-07 18:44:57,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:44:57,564 INFO L93 Difference]: Finished difference Result 47 states and 62 transitions. [2019-12-07 18:44:57,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 18:44:57,565 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2019-12-07 18:44:57,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:44:57,566 INFO L225 Difference]: With dead ends: 47 [2019-12-07 18:44:57,566 INFO L226 Difference]: Without dead ends: 21 [2019-12-07 18:44:57,566 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-12-07 18:44:57,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-12-07 18:44:57,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-12-07 18:44:57,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-12-07 18:44:57,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2019-12-07 18:44:57,570 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 12 [2019-12-07 18:44:57,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:44:57,570 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2019-12-07 18:44:57,570 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 18:44:57,570 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2019-12-07 18:44:57,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 18:44:57,571 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:44:57,571 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:44:57,772 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 18:44:57,773 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:44:57,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:44:57,774 INFO L82 PathProgramCache]: Analyzing trace with hash -649381144, now seen corresponding path program 1 times [2019-12-07 18:44:57,776 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:44:57,776 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [897648677] [2019-12-07 18:44:57,777 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c551fe7d-c760-42e0-80a0-2ad0d2f2fd99/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 [2019-12-07 18:44:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:44:57,897 INFO L264 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 18:44:57,899 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:44:57,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:44:57,951 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:44:58,533 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2019-12-07 18:44:58,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:44:58,847 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [897648677] [2019-12-07 18:44:58,847 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:44:58,847 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-12-07 18:44:58,847 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348835246] [2019-12-07 18:44:58,847 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 18:44:58,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:44:58,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 18:44:58,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-07 18:44:58,848 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 6 states. [2019-12-07 18:44:59,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:44:59,158 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2019-12-07 18:44:59,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 18:44:59,165 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2019-12-07 18:44:59,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:44:59,165 INFO L225 Difference]: With dead ends: 33 [2019-12-07 18:44:59,166 INFO L226 Difference]: Without dead ends: 21 [2019-12-07 18:44:59,166 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-07 18:44:59,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-12-07 18:44:59,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-12-07 18:44:59,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-12-07 18:44:59,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2019-12-07 18:44:59,169 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 15 [2019-12-07 18:44:59,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:44:59,169 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2019-12-07 18:44:59,170 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 18:44:59,170 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2019-12-07 18:44:59,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 18:44:59,170 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:44:59,170 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:44:59,371 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 18:44:59,372 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:44:59,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:44:59,373 INFO L82 PathProgramCache]: Analyzing trace with hash -1381924140, now seen corresponding path program 1 times [2019-12-07 18:44:59,375 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:44:59,375 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [622677398] [2019-12-07 18:44:59,376 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c551fe7d-c760-42e0-80a0-2ad0d2f2fd99/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 18:44:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:44:59,523 INFO L264 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 18:44:59,525 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:44:59,558 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 45 treesize of output 39 [2019-12-07 18:44:59,562 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 18:44:59,565 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:44:59,566 INFO L534 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 18:44:59,568 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:44:59,568 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 18:44:59,569 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:15 [2019-12-07 18:44:59,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:44:59,597 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:44:59,599 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:44:59,633 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 45 treesize of output 39 [2019-12-07 18:44:59,636 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 18:44:59,639 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:44:59,639 INFO L534 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 18:44:59,642 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:44:59,643 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 18:44:59,643 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:15 [2019-12-07 18:44:59,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:44:59,665 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [622677398] [2019-12-07 18:44:59,665 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:44:59,665 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2019-12-07 18:44:59,665 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141397879] [2019-12-07 18:44:59,665 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 18:44:59,665 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:44:59,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 18:44:59,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 18:44:59,666 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 9 states. [2019-12-07 18:44:59,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:44:59,853 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2019-12-07 18:44:59,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 18:44:59,853 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 16 [2019-12-07 18:44:59,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:44:59,854 INFO L225 Difference]: With dead ends: 24 [2019-12-07 18:44:59,854 INFO L226 Difference]: Without dead ends: 21 [2019-12-07 18:44:59,855 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2019-12-07 18:44:59,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-12-07 18:44:59,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-12-07 18:44:59,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-12-07 18:44:59,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions. [2019-12-07 18:44:59,859 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 16 [2019-12-07 18:44:59,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:44:59,860 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions. [2019-12-07 18:44:59,860 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 18:44:59,860 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2019-12-07 18:44:59,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-07 18:44:59,860 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:44:59,861 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:45:00,061 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 18:45:00,062 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:45:00,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:45:00,063 INFO L82 PathProgramCache]: Analyzing trace with hash -2014843095, now seen corresponding path program 1 times [2019-12-07 18:45:00,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:45:00,065 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1360754304] [2019-12-07 18:45:00,065 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c551fe7d-c760-42e0-80a0-2ad0d2f2fd99/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 18:45:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:45:00,289 INFO L264 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 14 conjunts are in the unsatisfiable core [2019-12-07 18:45:00,291 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:45:00,301 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 45 treesize of output 39 [2019-12-07 18:45:00,303 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 18:45:00,305 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:45:00,306 INFO L534 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 18:45:00,308 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:45:00,308 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 18:45:00,308 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:15 [2019-12-07 18:45:00,366 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:45:00,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:45:00,396 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:45:00,398 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:45:00,566 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 52 treesize of output 46 [2019-12-07 18:45:00,569 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 18:45:00,572 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:45:00,572 INFO L534 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 18:45:00,579 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:45:00,579 INFO L534 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. [2019-12-07 18:45:00,579 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:59, output treesize:29 [2019-12-07 18:45:00,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:45:00,637 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1360754304] [2019-12-07 18:45:00,637 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:45:00,637 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 16 [2019-12-07 18:45:00,637 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60496846] [2019-12-07 18:45:00,638 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-12-07 18:45:00,638 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:45:00,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-12-07 18:45:00,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2019-12-07 18:45:00,638 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand 16 states. [2019-12-07 18:45:01,444 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2019-12-07 18:45:01,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:45:01,475 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2019-12-07 18:45:01,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-07 18:45:01,477 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 20 [2019-12-07 18:45:01,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:45:01,479 INFO L225 Difference]: With dead ends: 21 [2019-12-07 18:45:01,479 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 18:45:01,481 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=130, Invalid=376, Unknown=0, NotChecked=0, Total=506 [2019-12-07 18:45:01,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 18:45:01,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 18:45:01,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 18:45:01,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 18:45:01,483 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2019-12-07 18:45:01,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:45:01,484 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:45:01,484 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-12-07 18:45:01,484 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 18:45:01,484 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 18:45:01,685 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 18:45:01,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 18:45:01,886 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2019-12-07 18:45:02,137 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2019-12-07 18:45:02,139 INFO L246 CegarLoopResult]: For program point L27(lines 27 46) no Hoare annotation was computed. [2019-12-07 18:45:02,139 INFO L246 CegarLoopResult]: For program point L19-1(lines 19 24) no Hoare annotation was computed. [2019-12-07 18:45:02,139 INFO L242 CegarLoopResult]: At program point L19-2(lines 19 24) the Hoare annotation is: (and (= (_ +zero 11 53) ULTIMATE.start_floor_double_~x) (= currentRoundingMode roundNearestTiesToEven) (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_floor~0)) [2019-12-07 18:45:02,139 INFO L246 CegarLoopResult]: For program point L19-3(lines 19 24) no Hoare annotation was computed. [2019-12-07 18:45:02,139 INFO L246 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2019-12-07 18:45:02,139 INFO L246 CegarLoopResult]: For program point L102-2(lines 102 105) no Hoare annotation was computed. [2019-12-07 18:45:02,140 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 18:45:02,140 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 18:45:02,140 INFO L246 CegarLoopResult]: For program point L28(lines 28 35) no Hoare annotation was computed. [2019-12-07 18:45:02,140 INFO L246 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2019-12-07 18:45:02,140 INFO L246 CegarLoopResult]: For program point L70(lines 70 75) no Hoare annotation was computed. [2019-12-07 18:45:02,140 INFO L246 CegarLoopResult]: For program point L70-1(lines 16 77) no Hoare annotation was computed. [2019-12-07 18:45:02,140 INFO L246 CegarLoopResult]: For program point L70-2(lines 70 75) no Hoare annotation was computed. [2019-12-07 18:45:02,140 INFO L246 CegarLoopResult]: For program point L62(lines 62 63) no Hoare annotation was computed. [2019-12-07 18:45:02,140 INFO L246 CegarLoopResult]: For program point L29(lines 29 34) no Hoare annotation was computed. [2019-12-07 18:45:02,140 INFO L246 CegarLoopResult]: For program point L62-2(lines 62 63) no Hoare annotation was computed. [2019-12-07 18:45:02,140 INFO L246 CegarLoopResult]: For program point L54(lines 54 55) no Hoare annotation was computed. [2019-12-07 18:45:02,140 INFO L246 CegarLoopResult]: For program point L38(lines 38 39) no Hoare annotation was computed. [2019-12-07 18:45:02,141 INFO L242 CegarLoopResult]: At program point L88(lines 79 89) the Hoare annotation is: (let ((.cse0 (let ((.cse2 (concat (_ bv0 32) (_ bv0 32)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))))) (and (= |ULTIMATE.start___signbit_double_#res| (_ bv0 32)) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (_ +zero 11 53)) (= (bvadd ULTIMATE.start_floor_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 32)))))) (= ULTIMATE.start_floor_double_~i0~0 ULTIMATE.start_floor_double_~i1~0) (= .cse0 ULTIMATE.start_floor_double_~x) (= ULTIMATE.start_main_~res~0 .cse0) (exists ((v_skolemized_v_prenex_3_3 (_ BitVec 64))) (and (= ULTIMATE.start___signbit_double_~msw~0 ((_ extract 63 32) v_skolemized_v_prenex_3_3)) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_3_3) ((_ extract 62 52) v_skolemized_v_prenex_3_3) ((_ extract 51 0) v_skolemized_v_prenex_3_3)) (let ((.cse1 (concat (_ bv0 32) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1)))))) (= .cse0 ULTIMATE.start___signbit_double_~x) |ULTIMATE.start_main_#t~short10| (= ULTIMATE.start_floor_double_~i1~0 (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven) (= |ULTIMATE.start_floor_double_#res| .cse0) (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_floor~0))) [2019-12-07 18:45:02,141 INFO L246 CegarLoopResult]: For program point L47(lines 47 69) no Hoare annotation was computed. [2019-12-07 18:45:02,141 INFO L246 CegarLoopResult]: For program point L31(lines 31 34) no Hoare annotation was computed. [2019-12-07 18:45:02,141 INFO L246 CegarLoopResult]: For program point L56(lines 56 68) no Hoare annotation was computed. [2019-12-07 18:45:02,141 INFO L246 CegarLoopResult]: For program point L48(lines 48 51) no Hoare annotation was computed. [2019-12-07 18:45:02,141 INFO L246 CegarLoopResult]: For program point L40(lines 40 45) no Hoare annotation was computed. [2019-12-07 18:45:02,141 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 18:45:02,141 INFO L246 CegarLoopResult]: For program point L57(lines 57 66) no Hoare annotation was computed. [2019-12-07 18:45:02,141 INFO L246 CegarLoopResult]: For program point L57-1(lines 57 66) no Hoare annotation was computed. [2019-12-07 18:45:02,141 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 103) no Hoare annotation was computed. [2019-12-07 18:45:02,142 INFO L246 CegarLoopResult]: For program point L82-1(lines 82 86) no Hoare annotation was computed. [2019-12-07 18:45:02,142 INFO L242 CegarLoopResult]: At program point L82-2(lines 82 86) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (concat (_ bv0 32) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))))) (and (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (_ +zero 11 53)) (= (bvadd ULTIMATE.start_floor_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 32)))))) (= .cse0 ULTIMATE.start_floor_double_~x) (= ULTIMATE.start_main_~res~0 .cse0) (= .cse0 ULTIMATE.start___signbit_double_~x) |ULTIMATE.start_main_#t~short10| (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (_ +zero 11 53)) (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start_floor_double_~i0~0))) (= ULTIMATE.start_floor_double_~i1~0 (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven) (= |ULTIMATE.start_floor_double_#res| .cse0) (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_floor~0))) [2019-12-07 18:45:02,142 INFO L246 CegarLoopResult]: For program point L82-3(lines 82 86) no Hoare annotation was computed. [2019-12-07 18:45:02,142 INFO L249 CegarLoopResult]: At program point L107(lines 91 108) the Hoare annotation is: true [2019-12-07 18:45:02,142 INFO L246 CegarLoopResult]: For program point L41(lines 41 42) no Hoare annotation was computed. [2019-12-07 18:45:02,142 INFO L246 CegarLoopResult]: For program point L41-2(lines 41 42) no Hoare annotation was computed. [2019-12-07 18:45:02,142 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 18:45:02,142 INFO L246 CegarLoopResult]: For program point L58(lines 58 65) no Hoare annotation was computed. [2019-12-07 18:45:02,142 INFO L246 CegarLoopResult]: For program point L26(lines 26 69) no Hoare annotation was computed. [2019-12-07 18:45:02,143 INFO L242 CegarLoopResult]: At program point L76(lines 16 77) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (concat (_ bv0 32) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))))) (and (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (_ +zero 11 53)) (= (bvadd ULTIMATE.start_floor_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 32)))))) (= .cse0 ULTIMATE.start_floor_double_~x) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (_ +zero 11 53)) (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start_floor_double_~i0~0))) (= ULTIMATE.start_floor_double_~i1~0 (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven) (= |ULTIMATE.start_floor_double_#res| .cse0) (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_floor~0))) [2019-12-07 18:45:02,147 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.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:693) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:258) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:215) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) 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) [2019-12-07 18:45:02,149 INFO L168 Benchmark]: Toolchain (without parser) took 6821.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 951.0 MB in the beginning and 834.0 MB in the end (delta: 117.1 MB). Peak memory consumption was 252.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:45:02,149 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:45:02,150 INFO L168 Benchmark]: CACSL2BoogieTranslator took 207.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -179.9 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2019-12-07 18:45:02,150 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.71 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:45:02,150 INFO L168 Benchmark]: Boogie Preprocessor took 23.90 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. [2019-12-07 18:45:02,151 INFO L168 Benchmark]: RCFGBuilder took 1020.46 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: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:45:02,151 INFO L168 Benchmark]: TraceAbstraction took 5537.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 834.0 MB in the end (delta: 251.3 MB). Peak memory consumption was 251.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:45:02,153 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 207.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -179.9 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.71 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.90 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 1020.46 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: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5537.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 834.0 MB in the end (delta: 251.3 MB). Peak memory consumption was 251.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 103]: 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...