./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1032a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ee8e70e7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1032a.c -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bc1e99e2e1eae6aac22287380a70c47e0f0fe2d2 ............................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1032a.c -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bc1e99e2e1eae6aac22287380a70c47e0f0fe2d2 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.2.0-ee8e70e [2020-10-24 15:03:39,598 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:03:39,603 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:03:39,661 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:03:39,662 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:03:39,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:03:39,673 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:03:39,677 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:03:39,684 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:03:39,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:03:39,693 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:03:39,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:03:39,695 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:03:39,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:03:39,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:03:39,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:03:39,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:03:39,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:03:39,710 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:03:39,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:03:39,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:03:39,722 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:03:39,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:03:39,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:03:39,731 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:03:39,732 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:03:39,732 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:03:39,735 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:03:39,736 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:03:39,737 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:03:39,737 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:03:39,738 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:03:39,740 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:03:39,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:03:39,743 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:03:39,743 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:03:39,744 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:03:39,744 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:03:39,745 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:03:39,747 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:03:39,748 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:03:39,749 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 15:03:39,806 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:03:39,807 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:03:39,810 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:03:39,810 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:03:39,811 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:03:39,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:03:39,811 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:03:39,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 15:03:39,812 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:03:39,812 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:03:39,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:03:39,814 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:03:39,814 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:03:39,814 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:03:39,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:03:39,815 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:03:39,815 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:03:39,815 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:03:39,815 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:03:39,816 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:03:39,816 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:03:39,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:03:39,817 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:03:39,817 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:03:39,817 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:03:39,817 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 15:03:39,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 15:03:39,818 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:03:39,818 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:03:39,818 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc1e99e2e1eae6aac22287380a70c47e0f0fe2d2 [2020-10-24 15:03:40,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:03:40,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:03:40,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:03:40,292 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:03:40,293 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:03:40,295 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1032a.c [2020-10-24 15:03:40,386 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ee1f12974/e114dd03e6fc4851b9d2a394befc87d9/FLAGdc8622d20 [2020-10-24 15:03:41,198 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:03:41,199 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1032a.c [2020-10-24 15:03:41,207 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ee1f12974/e114dd03e6fc4851b9d2a394befc87d9/FLAGdc8622d20 [2020-10-24 15:03:41,522 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ee1f12974/e114dd03e6fc4851b9d2a394befc87d9 [2020-10-24 15:03:41,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:03:41,535 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:03:41,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:03:41,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:03:41,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:03:41,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:03:41" (1/1) ... [2020-10-24 15:03:41,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e39b43a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:41, skipping insertion in model container [2020-10-24 15:03:41,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:03:41" (1/1) ... [2020-10-24 15:03:41,558 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:03:41,584 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:03:41,793 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:03:41,803 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:03:41,843 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:03:41,865 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:03:41,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:41 WrapperNode [2020-10-24 15:03:41,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:03:41,867 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:03:41,867 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:03:41,867 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:03:41,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:41" (1/1) ... [2020-10-24 15:03:41,888 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:41" (1/1) ... [2020-10-24 15:03:41,916 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 15:03:41,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 15:03:41,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 15:03:41,917 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 15:03:41,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:41" (1/1) ... [2020-10-24 15:03:41,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:41" (1/1) ... [2020-10-24 15:03:41,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:41" (1/1) ... [2020-10-24 15:03:41,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:41" (1/1) ... [2020-10-24 15:03:41,943 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:41" (1/1) ... [2020-10-24 15:03:41,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:41" (1/1) ... [2020-10-24 15:03:41,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:41" (1/1) ... [2020-10-24 15:03:41,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 15:03:41,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 15:03:41,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 15:03:41,955 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 15:03:41,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:41" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:03:42,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 15:03:42,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 15:03:42,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 15:03:42,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 15:03:42,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 15:03:42,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 15:03:42,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 15:03:42,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 15:03:42,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 15:03:42,615 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 15:03:42,616 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-24 15:03:42,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:03:42 BoogieIcfgContainer [2020-10-24 15:03:42,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 15:03:42,620 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 15:03:42,620 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 15:03:42,624 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 15:03:42,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:03:41" (1/3) ... [2020-10-24 15:03:42,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e353386 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:03:42, skipping insertion in model container [2020-10-24 15:03:42,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:41" (2/3) ... [2020-10-24 15:03:42,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e353386 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:03:42, skipping insertion in model container [2020-10-24 15:03:42,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:03:42" (3/3) ... [2020-10-24 15:03:42,627 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1032a.c [2020-10-24 15:03:42,641 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 15:03:42,647 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 15:03:42,663 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 15:03:42,709 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 15:03:42,709 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 15:03:42,709 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 15:03:42,709 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 15:03:42,709 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 15:03:42,710 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 15:03:42,710 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 15:03:42,710 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 15:03:42,733 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2020-10-24 15:03:42,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-24 15:03:42,745 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:03:42,746 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:03:42,746 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:03:42,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:03:42,754 INFO L82 PathProgramCache]: Analyzing trace with hash 2068179301, now seen corresponding path program 1 times [2020-10-24 15:03:42,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:03:42,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426915781] [2020-10-24 15:03:42,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:03:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:03:42,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:03:42,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426915781] [2020-10-24 15:03:42,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:03:42,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 15:03:42,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278890452] [2020-10-24 15:03:42,933 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 15:03:42,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 15:03:42,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 15:03:42,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 15:03:42,956 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 2 states. [2020-10-24 15:03:42,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:03:42,979 INFO L93 Difference]: Finished difference Result 59 states and 89 transitions. [2020-10-24 15:03:42,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 15:03:42,981 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-24 15:03:42,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:03:42,993 INFO L225 Difference]: With dead ends: 59 [2020-10-24 15:03:42,993 INFO L226 Difference]: Without dead ends: 27 [2020-10-24 15:03:42,997 INFO L677 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 [2020-10-24 15:03:43,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-10-24 15:03:43,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-10-24 15:03:43,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-24 15:03:43,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2020-10-24 15:03:43,039 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 35 transitions. Word has length 11 [2020-10-24 15:03:43,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:03:43,040 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 35 transitions. [2020-10-24 15:03:43,040 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 15:03:43,040 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2020-10-24 15:03:43,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 15:03:43,041 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:03:43,042 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:03:43,042 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 15:03:43,042 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:03:43,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:03:43,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1606867070, now seen corresponding path program 1 times [2020-10-24 15:03:43,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:03:43,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593993459] [2020-10-24 15:03:43,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:03:43,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:03:43,094 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:03:43,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:03:43,128 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:03:43,154 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 15:03:43,155 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 15:03:43,156 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 15:03:43,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:03:43 BoogieIcfgContainer [2020-10-24 15:03:43,186 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 15:03:43,187 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 15:03:43,187 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 15:03:43,187 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 15:03:43,188 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:03:42" (3/4) ... [2020-10-24 15:03:43,191 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 15:03:43,191 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 15:03:43,197 INFO L168 Benchmark]: Toolchain (without parser) took 1664.68 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 25.5 MB in the beginning and 25.3 MB in the end (delta: 221.3 kB). Peak memory consumption was 12.0 MB. Max. memory is 16.1 GB. [2020-10-24 15:03:43,198 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 39.8 MB. Free memory was 26.3 MB in the beginning and 26.2 MB in the end (delta: 30.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:03:43,199 INFO L168 Benchmark]: CACSL2BoogieTranslator took 326.45 ms. Allocated memory is still 48.2 MB. Free memory was 24.8 MB in the beginning and 25.2 MB in the end (delta: -322.2 kB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-10-24 15:03:43,199 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.18 ms. Allocated memory is still 48.2 MB. Free memory was 25.2 MB in the beginning and 23.4 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:03:43,202 INFO L168 Benchmark]: Boogie Preprocessor took 36.92 ms. Allocated memory is still 48.2 MB. Free memory was 23.4 MB in the beginning and 21.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:03:43,204 INFO L168 Benchmark]: RCFGBuilder took 663.22 ms. Allocated memory is still 48.2 MB. Free memory was 21.8 MB in the beginning and 25.7 MB in the end (delta: -3.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. [2020-10-24 15:03:43,205 INFO L168 Benchmark]: TraceAbstraction took 566.40 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 25.3 MB in the beginning and 25.9 MB in the end (delta: -555.6 kB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. [2020-10-24 15:03:43,206 INFO L168 Benchmark]: Witness Printer took 4.76 ms. Allocated memory is still 58.7 MB. Free memory was 25.6 MB in the beginning and 25.3 MB in the end (delta: 287.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:03:43,219 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 39.8 MB. Free memory was 26.3 MB in the beginning and 26.2 MB in the end (delta: 30.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 326.45 ms. Allocated memory is still 48.2 MB. Free memory was 24.8 MB in the beginning and 25.2 MB in the end (delta: -322.2 kB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 49.18 ms. Allocated memory is still 48.2 MB. Free memory was 25.2 MB in the beginning and 23.4 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.92 ms. Allocated memory is still 48.2 MB. Free memory was 23.4 MB in the beginning and 21.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 663.22 ms. Allocated memory is still 48.2 MB. Free memory was 21.8 MB in the beginning and 25.7 MB in the end (delta: -3.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 566.40 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 25.3 MB in the beginning and 25.9 MB in the end (delta: -555.6 kB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. * Witness Printer took 4.76 ms. Allocated memory is still 58.7 MB. Free memory was 25.6 MB in the beginning and 25.3 MB in the end (delta: 287.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of shiftRight at line 36, overapproximation of someBinaryDOUBLE_SMTComparisonOperation at line 92, overapproximation of bitwiseAnd at line 37. Possible FailurePath: [L88] double x = 0.0; [L20] __int32_t msw, exponent_less_1023; [L21] __uint32_t lsw; [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (msw) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (lsw) = ew_u.parts.lsw [L28] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 [L29] COND TRUE exponent_less_1023 < 20 [L30] COND FALSE !(exponent_less_1023 < 0) [L36] __uint32_t exponent_mask = 0x000fffff >> exponent_less_1023; [L37] COND TRUE (msw & exponent_mask) == 0 && lsw == 0 [L38] return x; [L89] double res = round_double(x); [L92] EXPR res == 0.0 && __signbit_double(res) == 0 [L92] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L3] __assert_fail("0", "double_req_bl_1032a.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 38 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=31occurred 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, ACCELERATED_INTERPOLATION: 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 0.2.0-ee8e70e [2020-10-24 15:03:45,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:03:45,893 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:03:45,945 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:03:45,946 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:03:45,947 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:03:45,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:03:45,952 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:03:45,954 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:03:45,955 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:03:45,956 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:03:45,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:03:45,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:03:45,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:03:45,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:03:45,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:03:45,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:03:45,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:03:45,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:03:45,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:03:45,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:03:45,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:03:45,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:03:45,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:03:45,980 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:03:45,981 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:03:45,981 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:03:45,983 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:03:45,983 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:03:45,985 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:03:45,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:03:45,987 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:03:45,988 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:03:45,989 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:03:45,990 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:03:45,991 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:03:45,992 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:03:45,992 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:03:45,992 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:03:45,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:03:45,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:03:45,996 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 15:03:46,025 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:03:46,025 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:03:46,027 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:03:46,027 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:03:46,028 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:03:46,028 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:03:46,028 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:03:46,028 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:03:46,029 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:03:46,029 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:03:46,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:03:46,029 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:03:46,030 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 15:03:46,030 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 15:03:46,030 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:03:46,031 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:03:46,031 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:03:46,031 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:03:46,031 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:03:46,032 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:03:46,032 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:03:46,032 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:03:46,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:03:46,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:03:46,033 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:03:46,033 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:03:46,034 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 15:03:46,034 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 15:03:46,034 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:03:46,034 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:03:46,035 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 15:03:46,035 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc1e99e2e1eae6aac22287380a70c47e0f0fe2d2 [2020-10-24 15:03:46,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:03:46,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:03:46,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:03:46,455 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:03:46,456 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:03:46,457 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1032a.c [2020-10-24 15:03:46,549 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/411917287/1f8ca28c978c43309e8c216e3c7a65ea/FLAG2c3c005ec [2020-10-24 15:03:47,121 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:03:47,122 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1032a.c [2020-10-24 15:03:47,130 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/411917287/1f8ca28c978c43309e8c216e3c7a65ea/FLAG2c3c005ec [2020-10-24 15:03:47,502 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/411917287/1f8ca28c978c43309e8c216e3c7a65ea [2020-10-24 15:03:47,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:03:47,513 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:03:47,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:03:47,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:03:47,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:03:47,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:03:47" (1/1) ... [2020-10-24 15:03:47,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1616be8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:47, skipping insertion in model container [2020-10-24 15:03:47,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:03:47" (1/1) ... [2020-10-24 15:03:47,534 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:03:47,552 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:03:47,792 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:03:47,817 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:03:47,854 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:03:47,878 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:03:47,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:47 WrapperNode [2020-10-24 15:03:47,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:03:47,880 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:03:47,880 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:03:47,880 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:03:47,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:47" (1/1) ... [2020-10-24 15:03:47,903 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:47" (1/1) ... [2020-10-24 15:03:47,931 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 15:03:47,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 15:03:47,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 15:03:47,932 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 15:03:47,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:47" (1/1) ... [2020-10-24 15:03:47,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:47" (1/1) ... [2020-10-24 15:03:47,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:47" (1/1) ... [2020-10-24 15:03:47,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:47" (1/1) ... [2020-10-24 15:03:47,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:47" (1/1) ... [2020-10-24 15:03:47,964 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:47" (1/1) ... [2020-10-24 15:03:47,967 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:47" (1/1) ... [2020-10-24 15:03:47,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 15:03:47,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 15:03:47,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 15:03:47,974 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 15:03:47,975 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:47" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:03:48,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-10-24 15:03:48,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-24 15:03:48,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-24 15:03:48,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 15:03:48,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 15:03:48,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-24 15:03:48,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 15:03:48,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 15:03:48,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-24 15:03:48,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 15:03:48,938 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 15:03:48,938 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-24 15:03:48,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:03:48 BoogieIcfgContainer [2020-10-24 15:03:48,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 15:03:48,943 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 15:03:48,943 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 15:03:48,947 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 15:03:48,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:03:47" (1/3) ... [2020-10-24 15:03:48,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54c83704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:03:48, skipping insertion in model container [2020-10-24 15:03:48,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:03:47" (2/3) ... [2020-10-24 15:03:48,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54c83704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:03:48, skipping insertion in model container [2020-10-24 15:03:48,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:03:48" (3/3) ... [2020-10-24 15:03:48,951 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1032a.c [2020-10-24 15:03:48,967 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 15:03:48,976 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 15:03:48,991 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 15:03:49,049 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 15:03:49,049 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 15:03:49,049 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 15:03:49,050 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 15:03:49,050 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 15:03:49,050 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 15:03:49,050 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 15:03:49,051 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 15:03:49,068 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2020-10-24 15:03:49,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-24 15:03:49,075 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:03:49,076 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:03:49,077 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:03:49,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:03:49,092 INFO L82 PathProgramCache]: Analyzing trace with hash 2068179301, now seen corresponding path program 1 times [2020-10-24 15:03:49,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 15:03:49,105 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1219495378] [2020-10-24 15:03:49,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/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 [2020-10-24 15:03:49,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:03:49,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-24 15:03:49,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 15:03:49,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:03:49,253 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 15:03:49,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:03:49,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1219495378] [2020-10-24 15:03:49,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:03:49,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-24 15:03:49,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363942070] [2020-10-24 15:03:49,267 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 15:03:49,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 15:03:49,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 15:03:49,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 15:03:49,286 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 2 states. [2020-10-24 15:03:49,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:03:49,307 INFO L93 Difference]: Finished difference Result 59 states and 89 transitions. [2020-10-24 15:03:49,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 15:03:49,309 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-24 15:03:49,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:03:49,321 INFO L225 Difference]: With dead ends: 59 [2020-10-24 15:03:49,322 INFO L226 Difference]: Without dead ends: 27 [2020-10-24 15:03:49,325 INFO L677 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 [2020-10-24 15:03:49,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-10-24 15:03:49,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-10-24 15:03:49,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-24 15:03:49,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2020-10-24 15:03:49,366 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 35 transitions. Word has length 11 [2020-10-24 15:03:49,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:03:49,367 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 35 transitions. [2020-10-24 15:03:49,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 15:03:49,367 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2020-10-24 15:03:49,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 15:03:49,369 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:03:49,369 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:03:49,581 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-24 15:03:49,583 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:03:49,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:03:49,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1606867070, now seen corresponding path program 1 times [2020-10-24 15:03:49,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 15:03:49,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [565933905] [2020-10-24 15:03:49,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/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 [2020-10-24 15:03:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:03:49,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-24 15:03:49,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 15:03:49,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:03:49,850 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 15:03:49,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:03:49,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [565933905] [2020-10-24 15:03:49,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:03:49,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-10-24 15:03:49,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456380046] [2020-10-24 15:03:49,928 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 15:03:49,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 15:03:49,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 15:03:49,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-24 15:03:49,930 INFO L87 Difference]: Start difference. First operand 27 states and 35 transitions. Second operand 8 states. [2020-10-24 15:03:50,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:03:50,129 INFO L93 Difference]: Finished difference Result 40 states and 48 transitions. [2020-10-24 15:03:50,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-24 15:03:50,130 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2020-10-24 15:03:50,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:03:50,131 INFO L225 Difference]: With dead ends: 40 [2020-10-24 15:03:50,131 INFO L226 Difference]: Without dead ends: 21 [2020-10-24 15:03:50,132 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-10-24 15:03:50,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-10-24 15:03:50,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-10-24 15:03:50,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-24 15:03:50,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2020-10-24 15:03:50,139 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 12 [2020-10-24 15:03:50,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:03:50,140 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2020-10-24 15:03:50,140 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 15:03:50,140 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2020-10-24 15:03:50,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-24 15:03:50,141 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:03:50,141 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:03:50,360 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-24 15:03:50,361 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:03:50,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:03:50,362 INFO L82 PathProgramCache]: Analyzing trace with hash -1282802547, now seen corresponding path program 1 times [2020-10-24 15:03:50,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 15:03:50,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1708282447] [2020-10-24 15:03:50,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-24 15:03:50,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:03:50,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-24 15:03:50,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 15:03:50,550 INFO L384 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 17 treesize of output 15 [2020-10-24 15:03:50,557 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-24 15:03:50,566 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-24 15:03:50,566 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-24 15:03:50,571 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-24 15:03:50,573 INFO L545 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. [2020-10-24 15:03:50,573 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:17, output treesize:7 [2020-10-24 15:03:50,622 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 15:03:50,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:03:50,650 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 15:03:50,765 INFO L384 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 51 treesize of output 45 [2020-10-24 15:03:50,772 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-24 15:03:50,779 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-24 15:03:50,779 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-24 15:03:50,792 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-24 15:03:50,793 INFO L545 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. [2020-10-24 15:03:50,793 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:62, output treesize:32 [2020-10-24 15:03:50,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:03:50,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1708282447] [2020-10-24 15:03:50,875 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:03:50,875 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2020-10-24 15:03:50,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910782926] [2020-10-24 15:03:50,876 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-24 15:03:50,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 15:03:50,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-24 15:03:50,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2020-10-24 15:03:50,878 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 11 states. [2020-10-24 15:03:51,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:03:51,417 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2020-10-24 15:03:51,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-24 15:03:51,418 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 16 [2020-10-24 15:03:51,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:03:51,419 INFO L225 Difference]: With dead ends: 24 [2020-10-24 15:03:51,419 INFO L226 Difference]: Without dead ends: 21 [2020-10-24 15:03:51,419 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 4 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-10-24 15:03:51,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-10-24 15:03:51,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-10-24 15:03:51,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-24 15:03:51,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions. [2020-10-24 15:03:51,425 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 16 [2020-10-24 15:03:51,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:03:51,425 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions. [2020-10-24 15:03:51,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-24 15:03:51,426 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2020-10-24 15:03:51,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-24 15:03:51,426 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:03:51,426 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:03:51,627 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-24 15:03:51,628 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:03:51,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:03:51,629 INFO L82 PathProgramCache]: Analyzing trace with hash 218634850, now seen corresponding path program 1 times [2020-10-24 15:03:51,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 15:03:51,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [74313947] [2020-10-24 15:03:51,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/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 [2020-10-24 15:03:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:03:51,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 15 conjunts are in the unsatisfiable core [2020-10-24 15:03:51,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 15:03:51,819 INFO L384 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 16 treesize of output 14 [2020-10-24 15:03:51,824 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-24 15:03:51,828 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-24 15:03:51,828 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-24 15:03:51,838 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-24 15:03:51,840 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-24 15:03:51,840 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:26, output treesize:16 [2020-10-24 15:03:52,173 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 15:03:52,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:03:52,272 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 15:03:52,704 INFO L384 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 18 treesize of output 16 [2020-10-24 15:03:52,712 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-24 15:03:52,715 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-24 15:03:52,715 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-24 15:03:52,719 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-24 15:03:52,720 INFO L545 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. [2020-10-24 15:03:52,720 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:18, output treesize:8 [2020-10-24 15:03:52,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:03:52,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [74313947] [2020-10-24 15:03:52,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:03:52,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 10] imperfect sequences [] total 17 [2020-10-24 15:03:52,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097540360] [2020-10-24 15:03:52,975 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-24 15:03:52,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 15:03:52,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-24 15:03:52,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-10-24 15:03:52,976 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand 17 states. [2020-10-24 15:03:53,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:03:53,842 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2020-10-24 15:03:53,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-24 15:03:53,844 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 20 [2020-10-24 15:03:53,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:03:53,845 INFO L225 Difference]: With dead ends: 21 [2020-10-24 15:03:53,845 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 15:03:53,846 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 20 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=130, Invalid=422, Unknown=0, NotChecked=0, Total=552 [2020-10-24 15:03:53,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 15:03:53,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 15:03:53,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 15:03:53,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 15:03:53,847 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2020-10-24 15:03:53,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:03:53,847 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 15:03:53,847 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-24 15:03:53,847 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 15:03:53,847 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 15:03:54,048 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-24 15:03:54,052 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 15:03:54,478 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2020-10-24 15:03:54,700 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2020-10-24 15:03:55,068 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-10-24 15:03:55,096 INFO L277 CegarLoopResult]: At program point L97(lines 80 98) the Hoare annotation is: true [2020-10-24 15:03:55,097 INFO L270 CegarLoopResult]: At program point L77(lines 68 78) the Hoare annotation is: (and (exists ((ULTIMATE.start_round_double_~x (_ BitVec 64))) (and (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) ULTIMATE.start_round_double_~x)) (_ bv20 32)) (_ bv4294966273 32)) ULTIMATE.start_round_double_~exponent_less_1023~0) (= (_ +zero 11 53) (fp ((_ extract 63 63) ULTIMATE.start_round_double_~x) ((_ extract 62 52) ULTIMATE.start_round_double_~x) ((_ extract 51 0) ULTIMATE.start_round_double_~x))))) (exists ((ULTIMATE.start_round_double_~x (_ BitVec 64))) (and (= ((_ extract 63 32) ULTIMATE.start_round_double_~x) ULTIMATE.start_round_double_~msw~0) (= (_ +zero 11 53) (fp ((_ extract 63 63) ULTIMATE.start_round_double_~x) ((_ extract 62 52) ULTIMATE.start_round_double_~x) ((_ extract 51 0) ULTIMATE.start_round_double_~x))))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (v_ULTIMATE.start_round_double_~x_12 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_ULTIMATE.start_round_double_~x_12) ((_ extract 62 52) v_ULTIMATE.start_round_double_~x_12) ((_ extract 51 0) v_ULTIMATE.start_round_double_~x_12)) (_ +zero 11 53)) (= (concat ((_ extract 63 32) v_ULTIMATE.start_round_double_~x_12) ULTIMATE.start_round_double_~lsw~0) ULTIMATE.start_main_~res~0))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (v_ULTIMATE.start_round_double_~x_12 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_ULTIMATE.start_round_double_~x_12) ((_ extract 62 52) v_ULTIMATE.start_round_double_~x_12) ((_ extract 51 0) v_ULTIMATE.start_round_double_~x_12)) (_ +zero 11 53)) (= (concat ((_ extract 63 32) v_ULTIMATE.start_round_double_~x_12) ULTIMATE.start_round_double_~lsw~0) ULTIMATE.start_round_double_~x))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (v_ULTIMATE.start_round_double_~x_12 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_ULTIMATE.start_round_double_~x_12) ((_ extract 62 52) v_ULTIMATE.start_round_double_~x_12) ((_ extract 51 0) v_ULTIMATE.start_round_double_~x_12)) (_ +zero 11 53)) (= (concat ((_ extract 63 32) v_ULTIMATE.start_round_double_~x_12) ULTIMATE.start_round_double_~lsw~0) |ULTIMATE.start_round_double_#res|))) (forall ((|v_ULTIMATE.start_main_#t~nondet18_11| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet18_11|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet18_11|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet18_11|)))) (or (fp.eq (fp ((_ extract 63 63) |ULTIMATE.start_round_double_#res|) ((_ extract 62 52) |ULTIMATE.start_round_double_#res|) ((_ extract 51 0) |ULTIMATE.start_round_double_#res|)) .cse0) (not (= (_ +zero 11 53) .cse0))))) |ULTIMATE.start_main_#t~short20| (forall ((|v_ULTIMATE.start_main_#t~nondet18_11| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet18_11|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet18_11|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet18_11|)))) (or (not (= (_ +zero 11 53) .cse1)) (fp.eq (let ((.cse2 (concat ULTIMATE.start_round_double_~msw~0 ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) .cse1)))) (= |ULTIMATE.start___signbit_double_#res| (_ bv0 32)) (forall ((|v_ULTIMATE.start_main_#t~nondet18_11| (_ BitVec 64))) (let ((.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet18_11|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet18_11|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet18_11|)))) (or (not (= (_ +zero 11 53) .cse3)) (fp.eq (fp ((_ extract 63 63) ULTIMATE.start_round_double_~x) ((_ extract 62 52) ULTIMATE.start_round_double_~x) ((_ extract 51 0) ULTIMATE.start_round_double_~x)) .cse3)))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (v_ULTIMATE.start_round_double_~x_12 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_ULTIMATE.start_round_double_~x_12) ((_ extract 62 52) v_ULTIMATE.start_round_double_~x_12) ((_ extract 51 0) v_ULTIMATE.start_round_double_~x_12)) (_ +zero 11 53)) (= (concat ((_ extract 63 32) v_ULTIMATE.start_round_double_~x_12) ULTIMATE.start_round_double_~lsw~0) ULTIMATE.start___signbit_double_~x))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (v_ULTIMATE.start_round_double_~x_12 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_ULTIMATE.start_round_double_~x_12) ((_ extract 62 52) v_ULTIMATE.start_round_double_~x_12) ((_ extract 51 0) v_ULTIMATE.start_round_double_~x_12)) (_ +zero 11 53)) (= ULTIMATE.start___signbit_double_~msw~1 ((_ extract 63 32) (concat ((_ extract 63 32) v_ULTIMATE.start_round_double_~x_12) ULTIMATE.start_round_double_~lsw~0)))))) [2020-10-24 15:03:55,097 INFO L274 CegarLoopResult]: For program point L44(lines 44 47) no Hoare annotation was computed. [2020-10-24 15:03:55,097 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-24 15:03:55,097 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-24 15:03:55,098 INFO L270 CegarLoopResult]: At program point L65(lines 19 66) the Hoare annotation is: (and (exists ((ULTIMATE.start_round_double_~x (_ BitVec 64))) (and (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) ULTIMATE.start_round_double_~x)) (_ bv20 32)) (_ bv4294966273 32)) ULTIMATE.start_round_double_~exponent_less_1023~0) (= (_ +zero 11 53) (fp ((_ extract 63 63) ULTIMATE.start_round_double_~x) ((_ extract 62 52) ULTIMATE.start_round_double_~x) ((_ extract 51 0) ULTIMATE.start_round_double_~x))))) (exists ((ULTIMATE.start_round_double_~x (_ BitVec 64))) (and (= ((_ extract 63 32) ULTIMATE.start_round_double_~x) ULTIMATE.start_round_double_~msw~0) (= (_ +zero 11 53) (fp ((_ extract 63 63) ULTIMATE.start_round_double_~x) ((_ extract 62 52) ULTIMATE.start_round_double_~x) ((_ extract 51 0) ULTIMATE.start_round_double_~x))))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (v_ULTIMATE.start_round_double_~x_12 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_ULTIMATE.start_round_double_~x_12) ((_ extract 62 52) v_ULTIMATE.start_round_double_~x_12) ((_ extract 51 0) v_ULTIMATE.start_round_double_~x_12)) (_ +zero 11 53)) (= (concat ((_ extract 63 32) v_ULTIMATE.start_round_double_~x_12) ULTIMATE.start_round_double_~lsw~0) ULTIMATE.start_round_double_~x))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (v_ULTIMATE.start_round_double_~x_12 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_ULTIMATE.start_round_double_~x_12) ((_ extract 62 52) v_ULTIMATE.start_round_double_~x_12) ((_ extract 51 0) v_ULTIMATE.start_round_double_~x_12)) (_ +zero 11 53)) (= (concat ((_ extract 63 32) v_ULTIMATE.start_round_double_~x_12) ULTIMATE.start_round_double_~lsw~0) |ULTIMATE.start_round_double_#res|))) (forall ((|v_ULTIMATE.start_main_#t~nondet18_11| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet18_11|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet18_11|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet18_11|)))) (or (fp.eq (fp ((_ extract 63 63) |ULTIMATE.start_round_double_#res|) ((_ extract 62 52) |ULTIMATE.start_round_double_#res|) ((_ extract 51 0) |ULTIMATE.start_round_double_#res|)) .cse0) (not (= (_ +zero 11 53) .cse0))))) (forall ((|v_ULTIMATE.start_main_#t~nondet18_11| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet18_11|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet18_11|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet18_11|)))) (or (not (= (_ +zero 11 53) .cse1)) (fp.eq (let ((.cse2 (concat ULTIMATE.start_round_double_~msw~0 ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) .cse1)))) (forall ((|v_ULTIMATE.start_main_#t~nondet18_11| (_ BitVec 64))) (let ((.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet18_11|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet18_11|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet18_11|)))) (or (not (= (_ +zero 11 53) .cse3)) (fp.eq (fp ((_ extract 63 63) ULTIMATE.start_round_double_~x) ((_ extract 62 52) ULTIMATE.start_round_double_~x) ((_ extract 51 0) ULTIMATE.start_round_double_~x)) .cse3))))) [2020-10-24 15:03:55,098 INFO L274 CegarLoopResult]: For program point L32(lines 32 33) no Hoare annotation was computed. [2020-10-24 15:03:55,102 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-24 15:03:55,102 INFO L274 CegarLoopResult]: For program point L32-2(lines 32 33) no Hoare annotation was computed. [2020-10-24 15:03:55,103 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-24 15:03:55,103 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-24 15:03:55,103 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 15:03:55,104 INFO L274 CegarLoopResult]: For program point L37(lines 37 38) no Hoare annotation was computed. [2020-10-24 15:03:55,104 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-24 15:03:55,104 INFO L274 CegarLoopResult]: For program point L29(lines 29 58) no Hoare annotation was computed. [2020-10-24 15:03:55,105 INFO L274 CegarLoopResult]: For program point L54(lines 54 55) no Hoare annotation was computed. [2020-10-24 15:03:55,105 INFO L274 CegarLoopResult]: For program point L54-2(lines 54 55) no Hoare annotation was computed. [2020-10-24 15:03:55,105 INFO L274 CegarLoopResult]: For program point L71-1(lines 71 75) no Hoare annotation was computed. [2020-10-24 15:03:55,106 INFO L270 CegarLoopResult]: At program point L71-2(lines 71 75) the Hoare annotation is: (and (exists ((ULTIMATE.start_round_double_~x (_ BitVec 64))) (and (= (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) ULTIMATE.start_round_double_~x)) (_ bv20 32)) (_ bv4294966273 32)) ULTIMATE.start_round_double_~exponent_less_1023~0) (= (_ +zero 11 53) (fp ((_ extract 63 63) ULTIMATE.start_round_double_~x) ((_ extract 62 52) ULTIMATE.start_round_double_~x) ((_ extract 51 0) ULTIMATE.start_round_double_~x))))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (v_ULTIMATE.start_round_double_~x_12 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_ULTIMATE.start_round_double_~x_12) ((_ extract 62 52) v_ULTIMATE.start_round_double_~x_12) ((_ extract 51 0) v_ULTIMATE.start_round_double_~x_12)) (_ +zero 11 53)) (= (concat ((_ extract 63 32) v_ULTIMATE.start_round_double_~x_12) ULTIMATE.start_round_double_~lsw~0) ULTIMATE.start_main_~res~0))) (exists ((ULTIMATE.start_round_double_~x (_ BitVec 64))) (and (= ((_ extract 63 32) ULTIMATE.start_round_double_~x) ULTIMATE.start_round_double_~msw~0) (= (_ +zero 11 53) (fp ((_ extract 63 63) ULTIMATE.start_round_double_~x) ((_ extract 62 52) ULTIMATE.start_round_double_~x) ((_ extract 51 0) ULTIMATE.start_round_double_~x))))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (v_ULTIMATE.start_round_double_~x_12 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_ULTIMATE.start_round_double_~x_12) ((_ extract 62 52) v_ULTIMATE.start_round_double_~x_12) ((_ extract 51 0) v_ULTIMATE.start_round_double_~x_12)) (_ +zero 11 53)) (= (concat ((_ extract 63 32) v_ULTIMATE.start_round_double_~x_12) ULTIMATE.start_round_double_~lsw~0) ULTIMATE.start_round_double_~x))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (v_ULTIMATE.start_round_double_~x_12 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_ULTIMATE.start_round_double_~x_12) ((_ extract 62 52) v_ULTIMATE.start_round_double_~x_12) ((_ extract 51 0) v_ULTIMATE.start_round_double_~x_12)) (_ +zero 11 53)) (= (concat ((_ extract 63 32) v_ULTIMATE.start_round_double_~x_12) ULTIMATE.start_round_double_~lsw~0) |ULTIMATE.start_round_double_#res|))) |ULTIMATE.start_main_#t~short20| (forall ((|v_ULTIMATE.start_main_#t~nondet18_11| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet18_11|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet18_11|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet18_11|)))) (or (fp.eq (fp ((_ extract 63 63) |ULTIMATE.start_round_double_#res|) ((_ extract 62 52) |ULTIMATE.start_round_double_#res|) ((_ extract 51 0) |ULTIMATE.start_round_double_#res|)) .cse0) (not (= (_ +zero 11 53) .cse0))))) (forall ((|v_ULTIMATE.start_main_#t~nondet18_11| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet18_11|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet18_11|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet18_11|)))) (or (not (= (_ +zero 11 53) .cse1)) (fp.eq (let ((.cse2 (concat ULTIMATE.start_round_double_~msw~0 ULTIMATE.start_round_double_~lsw~0))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) .cse1)))) (forall ((|v_ULTIMATE.start_main_#t~nondet18_11| (_ BitVec 64))) (let ((.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet18_11|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet18_11|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet18_11|)))) (or (not (= (_ +zero 11 53) .cse3)) (fp.eq (fp ((_ extract 63 63) ULTIMATE.start_round_double_~x) ((_ extract 62 52) ULTIMATE.start_round_double_~x) ((_ extract 51 0) ULTIMATE.start_round_double_~x)) .cse3)))) (exists ((ULTIMATE.start_round_double_~lsw~0 (_ BitVec 32)) (v_ULTIMATE.start_round_double_~x_12 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_ULTIMATE.start_round_double_~x_12) ((_ extract 62 52) v_ULTIMATE.start_round_double_~x_12) ((_ extract 51 0) v_ULTIMATE.start_round_double_~x_12)) (_ +zero 11 53)) (= (concat ((_ extract 63 32) v_ULTIMATE.start_round_double_~x_12) ULTIMATE.start_round_double_~lsw~0) ULTIMATE.start___signbit_double_~x)))) [2020-10-24 15:03:55,106 INFO L274 CegarLoopResult]: For program point L71-3(lines 71 75) no Hoare annotation was computed. [2020-10-24 15:03:55,106 INFO L274 CegarLoopResult]: For program point L30(lines 30 42) no Hoare annotation was computed. [2020-10-24 15:03:55,107 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-24 15:03:55,108 INFO L274 CegarLoopResult]: For program point L59(lines 59 64) no Hoare annotation was computed. [2020-10-24 15:03:55,108 INFO L274 CegarLoopResult]: For program point L59-1(lines 19 66) no Hoare annotation was computed. [2020-10-24 15:03:55,108 INFO L274 CegarLoopResult]: For program point L92-2(lines 92 95) no Hoare annotation was computed. [2020-10-24 15:03:55,112 INFO L274 CegarLoopResult]: For program point L59-2(lines 59 64) no Hoare annotation was computed. [2020-10-24 15:03:55,112 INFO L274 CegarLoopResult]: For program point L22-1(lines 22 27) no Hoare annotation was computed. [2020-10-24 15:03:55,113 INFO L270 CegarLoopResult]: At program point L22-2(lines 22 27) the Hoare annotation is: (= (_ +zero 11 53) (fp ((_ extract 63 63) ULTIMATE.start_round_double_~x) ((_ extract 62 52) ULTIMATE.start_round_double_~x) ((_ extract 51 0) ULTIMATE.start_round_double_~x))) [2020-10-24 15:03:55,113 INFO L274 CegarLoopResult]: For program point L22-3(lines 22 27) no Hoare annotation was computed. [2020-10-24 15:03:55,113 INFO L274 CegarLoopResult]: For program point L51(lines 51 52) no Hoare annotation was computed. [2020-10-24 15:03:55,113 INFO L274 CegarLoopResult]: For program point L43(lines 43 58) no Hoare annotation was computed. [2020-10-24 15:03:55,126 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:446) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:135) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:707) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:267) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-10-24 15:03:55,131 INFO L168 Benchmark]: Toolchain (without parser) took 7623.38 ms. Allocated memory was 48.2 MB in the beginning and 73.4 MB in the end (delta: 25.2 MB). Free memory was 24.8 MB in the beginning and 35.1 MB in the end (delta: -10.3 MB). Peak memory consumption was 29.7 MB. Max. memory is 16.1 GB. [2020-10-24 15:03:55,132 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 48.2 MB. Free memory is still 29.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:03:55,133 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.65 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 24.2 MB in the beginning and 36.4 MB in the end (delta: -12.2 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2020-10-24 15:03:55,134 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.01 ms. Allocated memory is still 60.8 MB. Free memory was 36.2 MB in the beginning and 34.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:03:55,135 INFO L168 Benchmark]: Boogie Preprocessor took 40.85 ms. Allocated memory is still 60.8 MB. Free memory was 34.6 MB in the beginning and 32.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:03:55,136 INFO L168 Benchmark]: RCFGBuilder took 967.77 ms. Allocated memory is still 60.8 MB. Free memory was 32.7 MB in the beginning and 30.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 10.3 MB. Max. memory is 16.1 GB. [2020-10-24 15:03:55,137 INFO L168 Benchmark]: TraceAbstraction took 6186.22 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 29.7 MB in the beginning and 35.1 MB in the end (delta: -5.4 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. [2020-10-24 15:03:55,142 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 48.2 MB. Free memory is still 29.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 363.65 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 24.2 MB in the beginning and 36.4 MB in the end (delta: -12.2 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 51.01 ms. Allocated memory is still 60.8 MB. Free memory was 36.2 MB in the beginning and 34.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.85 ms. Allocated memory is still 60.8 MB. Free memory was 34.6 MB in the beginning and 32.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 967.77 ms. Allocated memory is still 60.8 MB. Free memory was 32.7 MB in the beginning and 30.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 10.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6186.22 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 29.7 MB in the beginning and 35.1 MB in the end (delta: -5.4 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: 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...