./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1052d.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1052d.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 4d3da3677db9bcac0085ed27f307e82ca02a6621 ................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1052d.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 4d3da3677db9bcac0085ed27f307e82ca02a6621 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 00:32:41,868 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:32:41,870 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:32:41,896 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:32:41,897 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:32:41,898 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:32:41,899 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:32:41,901 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:32:41,903 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:32:41,904 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:32:41,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:32:41,906 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:32:41,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:32:41,908 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:32:41,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:32:41,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:32:41,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:32:41,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:32:41,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:32:41,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:32:41,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:32:41,925 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:32:41,926 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:32:41,927 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:32:41,932 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:32:41,932 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:32:41,933 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:32:41,934 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:32:41,934 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:32:41,936 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:32:41,937 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:32:41,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:32:41,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:32:41,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:32:41,942 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:32:41,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:32:41,944 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:32:41,944 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:32:41,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:32:41,953 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:32:41,955 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:32:41,957 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 00:32:42,000 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:32:42,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:32:42,002 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:32:42,003 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:32:42,004 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:32:42,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:32:42,004 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:32:42,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 00:32:42,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:32:42,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:32:42,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:32:42,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:32:42,006 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:32:42,007 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:32:42,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:32:42,007 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:32:42,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:32:42,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:32:42,008 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:32:42,008 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:32:42,009 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:32:42,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:32:42,009 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:32:42,009 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:32:42,010 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:32:42,010 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 00:32:42,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 00:32:42,010 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:32:42,011 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:32:42,011 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/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 -> 4d3da3677db9bcac0085ed27f307e82ca02a6621 [2020-10-20 00:32:42,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:32:42,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:32:42,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:32:42,319 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:32:42,320 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:32:42,321 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1052d.c [2020-10-20 00:32:42,405 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d84d43ca5/a8cd0318af36439a82b2680db18a5a33/FLAGf7bbc0a01 [2020-10-20 00:32:42,969 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:32:42,970 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1052d.c [2020-10-20 00:32:42,983 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d84d43ca5/a8cd0318af36439a82b2680db18a5a33/FLAGf7bbc0a01 [2020-10-20 00:32:43,320 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d84d43ca5/a8cd0318af36439a82b2680db18a5a33 [2020-10-20 00:32:43,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:32:43,334 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:32:43,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:32:43,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:32:43,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:32:43,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:32:43" (1/1) ... [2020-10-20 00:32:43,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3705ebf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:43, skipping insertion in model container [2020-10-20 00:32:43,346 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:32:43" (1/1) ... [2020-10-20 00:32:43,355 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:32:43,385 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:32:43,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:32:43,652 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:32:43,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:32:43,704 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:32:43,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:43 WrapperNode [2020-10-20 00:32:43,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:32:43,706 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:32:43,706 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:32:43,706 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:32:43,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:43" (1/1) ... [2020-10-20 00:32:43,725 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:43" (1/1) ... [2020-10-20 00:32:43,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:32:43,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:32:43,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:32:43,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:32:43,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:43" (1/1) ... [2020-10-20 00:32:43,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:43" (1/1) ... [2020-10-20 00:32:43,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:43" (1/1) ... [2020-10-20 00:32:43,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:43" (1/1) ... [2020-10-20 00:32:43,786 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:43" (1/1) ... [2020-10-20 00:32:43,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:43" (1/1) ... [2020-10-20 00:32:43,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:43" (1/1) ... [2020-10-20 00:32:43,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:32:43,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:32:43,798 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:32:43,798 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:32:43,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-10-20 00:32:43,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 00:32:43,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:32:43,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-20 00:32:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 00:32:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-20 00:32:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:32:43,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:32:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 00:32:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:32:44,226 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:32:44,226 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-20 00:32:44,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:32:44 BoogieIcfgContainer [2020-10-20 00:32:44,229 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:32:44,231 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:32:44,231 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:32:44,236 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:32:44,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:32:43" (1/3) ... [2020-10-20 00:32:44,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e71d86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:32:44, skipping insertion in model container [2020-10-20 00:32:44,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:43" (2/3) ... [2020-10-20 00:32:44,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e71d86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:32:44, skipping insertion in model container [2020-10-20 00:32:44,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:32:44" (3/3) ... [2020-10-20 00:32:44,241 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1052d.c [2020-10-20 00:32:44,259 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:32:44,268 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:32:44,287 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:32:44,313 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:32:44,314 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:32:44,314 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:32:44,314 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:32:44,315 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:32:44,315 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:32:44,315 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:32:44,315 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:32:44,333 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2020-10-20 00:32:44,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 00:32:44,340 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:32:44,342 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:32:44,343 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:32:44,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:32:44,350 INFO L82 PathProgramCache]: Analyzing trace with hash -1930029915, now seen corresponding path program 1 times [2020-10-20 00:32:44,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:32:44,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184951266] [2020-10-20 00:32:44,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:32:44,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:32:44,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:32:44,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184951266] [2020-10-20 00:32:44,515 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:32:44,515 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 00:32:44,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975094217] [2020-10-20 00:32:44,521 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:32:44,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:32:44,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:32:44,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:32:44,539 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 2 states. [2020-10-20 00:32:44,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:32:44,562 INFO L93 Difference]: Finished difference Result 75 states and 119 transitions. [2020-10-20 00:32:44,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:32:44,564 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-20 00:32:44,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:32:44,575 INFO L225 Difference]: With dead ends: 75 [2020-10-20 00:32:44,575 INFO L226 Difference]: Without dead ends: 35 [2020-10-20 00:32:44,579 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 [2020-10-20 00:32:44,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-20 00:32:44,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-10-20 00:32:44,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-20 00:32:44,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 50 transitions. [2020-10-20 00:32:44,612 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 50 transitions. Word has length 11 [2020-10-20 00:32:44,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:32:44,612 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 50 transitions. [2020-10-20 00:32:44,612 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:32:44,612 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2020-10-20 00:32:44,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-20 00:32:44,613 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:32:44,614 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:32:44,614 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 00:32:44,614 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:32:44,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:32:44,615 INFO L82 PathProgramCache]: Analyzing trace with hash -1310108990, now seen corresponding path program 1 times [2020-10-20 00:32:44,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:32:44,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427879152] [2020-10-20 00:32:44,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:32:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:32:44,687 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:32:44,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:32:44,734 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:32:44,761 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 00:32:44,762 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:32:44,764 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 00:32:44,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:32:44 BoogieIcfgContainer [2020-10-20 00:32:44,801 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:32:44,801 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:32:44,802 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:32:44,802 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:32:44,803 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:32:44" (3/4) ... [2020-10-20 00:32:44,807 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 00:32:44,807 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:32:44,810 INFO L168 Benchmark]: Toolchain (without parser) took 1483.11 ms. Allocated memory was 40.9 MB in the beginning and 44.6 MB in the end (delta: 3.7 MB). Free memory was 19.2 MB in the beginning and 9.1 MB in the end (delta: 10.1 MB). Peak memory consumption was 13.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:44,812 INFO L168 Benchmark]: CDTParser took 0.92 ms. Allocated memory is still 31.5 MB. Free memory was 7.9 MB in the beginning and 7.9 MB in the end (delta: 44.0 kB). Peak memory consumption was 44.0 kB. Max. memory is 14.3 GB. [2020-10-20 00:32:44,813 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.20 ms. Allocated memory was 40.9 MB in the beginning and 41.9 MB in the end (delta: 1.0 MB). Free memory was 18.4 MB in the beginning and 16.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 9.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:44,814 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.29 ms. Allocated memory is still 41.9 MB. Free memory was 16.8 MB in the beginning and 14.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:44,815 INFO L168 Benchmark]: Boogie Preprocessor took 36.86 ms. Allocated memory is still 41.9 MB. Free memory was 14.6 MB in the beginning and 12.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:44,816 INFO L168 Benchmark]: RCFGBuilder took 431.24 ms. Allocated memory was 41.9 MB in the beginning and 44.0 MB in the end (delta: 2.1 MB). Free memory was 12.8 MB in the beginning and 22.2 MB in the end (delta: -9.4 MB). Peak memory consumption was 4.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:44,817 INFO L168 Benchmark]: TraceAbstraction took 569.89 ms. Allocated memory was 44.0 MB in the beginning and 44.6 MB in the end (delta: 524.3 kB). Free memory was 21.9 MB in the beginning and 9.7 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.7 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:44,826 INFO L168 Benchmark]: Witness Printer took 6.08 ms. Allocated memory is still 44.6 MB. Free memory was 9.4 MB in the beginning and 9.1 MB in the end (delta: 284.7 kB). Peak memory consumption was 284.7 kB. Max. memory is 14.3 GB. [2020-10-20 00:32:44,832 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.92 ms. Allocated memory is still 31.5 MB. Free memory was 7.9 MB in the beginning and 7.9 MB in the end (delta: 44.0 kB). Peak memory consumption was 44.0 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 369.20 ms. Allocated memory was 40.9 MB in the beginning and 41.9 MB in the end (delta: 1.0 MB). Free memory was 18.4 MB in the beginning and 16.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 9.5 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 54.29 ms. Allocated memory is still 41.9 MB. Free memory was 16.8 MB in the beginning and 14.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 36.86 ms. Allocated memory is still 41.9 MB. Free memory was 14.6 MB in the beginning and 12.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 14.3 GB. * RCFGBuilder took 431.24 ms. Allocated memory was 41.9 MB in the beginning and 44.0 MB in the end (delta: 2.1 MB). Free memory was 12.8 MB in the beginning and 22.2 MB in the end (delta: -9.4 MB). Peak memory consumption was 4.5 MB. Max. memory is 14.3 GB. * TraceAbstraction took 569.89 ms. Allocated memory was 44.0 MB in the beginning and 44.6 MB in the end (delta: 524.3 kB). Free memory was 21.9 MB in the beginning and 9.7 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.7 MB. Max. memory is 14.3 GB. * Witness Printer took 6.08 ms. Allocated memory is still 44.6 MB. Free memory was 9.4 MB in the beginning and 9.1 MB in the end (delta: 284.7 kB). Peak memory consumption was 284.7 kB. Max. memory is 14.3 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 39, overapproximation of bitwiseOr at line 40, overapproximation of bitwiseAnd at line 27, overapproximation of someBinaryDOUBLEComparisonOperation at line 104. Possible FailurePath: [L16] static const double huge_floor = 1.0e300; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L100] double x = 0.0; [L19] __int32_t i0, i1, j0; [L20] __uint32_t i, j; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L22] ieee_double_shape_type ew_u; [L23] ew_u.value = (x) [L24] EXPR ew_u.parts.msw [L24] (i0) = ew_u.parts.msw [L25] EXPR ew_u.parts.lsw [L25] (i1) = ew_u.parts.lsw [L27] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L28] COND TRUE j0 < 20 VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L29] COND FALSE !(j0 < 0) [L39] i = (0x000fffff) >> j0 VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L40] COND TRUE ((i0 & i) | i1) == 0 [L41] return x; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L101] double res = floor_double(x); [L104] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L104] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L3] __assert_fail("0", "double_req_bl_1052d.c", 3, "reach_error") VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 39 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: 53 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred 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 0.1.25-9a8b2e8 [2020-10-20 00:32:47,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:32:47,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:32:47,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:32:47,092 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:32:47,102 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:32:47,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:32:47,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:32:47,118 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:32:47,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:32:47,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:32:47,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:32:47,125 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:32:47,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:32:47,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:32:47,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:32:47,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:32:47,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:32:47,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:32:47,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:32:47,144 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:32:47,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:32:47,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:32:47,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:32:47,158 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:32:47,160 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:32:47,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:32:47,161 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:32:47,162 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:32:47,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:32:47,163 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:32:47,164 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:32:47,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:32:47,165 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:32:47,166 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:32:47,167 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:32:47,168 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:32:47,168 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:32:47,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:32:47,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:32:47,170 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:32:47,171 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 00:32:47,211 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:32:47,211 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:32:47,213 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:32:47,213 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:32:47,214 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:32:47,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:32:47,214 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:32:47,214 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:32:47,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:32:47,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:32:47,216 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:32:47,216 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:32:47,217 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 00:32:47,217 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 00:32:47,217 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:32:47,217 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:32:47,218 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:32:47,218 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:32:47,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:32:47,218 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:32:47,219 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:32:47,219 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:32:47,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:32:47,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:32:47,220 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:32:47,220 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:32:47,220 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 00:32:47,220 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 00:32:47,221 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:32:47,221 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:32:47,221 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 00:32:47,221 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/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 -> 4d3da3677db9bcac0085ed27f307e82ca02a6621 [2020-10-20 00:32:47,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:32:47,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:32:47,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:32:47,441 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:32:47,441 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:32:47,442 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1052d.c [2020-10-20 00:32:47,509 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97df099da/d52fa3865023450b853601531486e6cc/FLAGc372bee75 [2020-10-20 00:32:47,968 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:32:47,969 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1052d.c [2020-10-20 00:32:47,978 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97df099da/d52fa3865023450b853601531486e6cc/FLAGc372bee75 [2020-10-20 00:32:48,358 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97df099da/d52fa3865023450b853601531486e6cc [2020-10-20 00:32:48,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:32:48,371 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:32:48,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:32:48,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:32:48,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:32:48,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:32:48" (1/1) ... [2020-10-20 00:32:48,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bf4491e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:48, skipping insertion in model container [2020-10-20 00:32:48,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:32:48" (1/1) ... [2020-10-20 00:32:48,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:32:48,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:32:48,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:32:48,702 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:32:48,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:32:48,762 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:32:48,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:48 WrapperNode [2020-10-20 00:32:48,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:32:48,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:32:48,763 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:32:48,763 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:32:48,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:48" (1/1) ... [2020-10-20 00:32:48,785 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:48" (1/1) ... [2020-10-20 00:32:48,810 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:32:48,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:32:48,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:32:48,811 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:32:48,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:48" (1/1) ... [2020-10-20 00:32:48,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:48" (1/1) ... [2020-10-20 00:32:48,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:48" (1/1) ... [2020-10-20 00:32:48,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:48" (1/1) ... [2020-10-20 00:32:48,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:48" (1/1) ... [2020-10-20 00:32:48,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:48" (1/1) ... [2020-10-20 00:32:48,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:48" (1/1) ... [2020-10-20 00:32:48,857 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:32:48,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:32:48,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:32:48,858 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:32:48,859 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-10-20 00:32:48,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-20 00:32:48,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-20 00:32:48,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-20 00:32:48,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:32:48,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 00:32:48,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:32:48,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:32:48,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 00:32:48,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:32:50,459 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:32:50,460 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-20 00:32:50,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:32:50 BoogieIcfgContainer [2020-10-20 00:32:50,462 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:32:50,463 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:32:50,463 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:32:50,466 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:32:50,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:32:48" (1/3) ... [2020-10-20 00:32:50,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dfa0c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:32:50, skipping insertion in model container [2020-10-20 00:32:50,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:48" (2/3) ... [2020-10-20 00:32:50,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dfa0c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:32:50, skipping insertion in model container [2020-10-20 00:32:50,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:32:50" (3/3) ... [2020-10-20 00:32:50,469 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1052d.c [2020-10-20 00:32:50,479 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:32:50,486 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:32:50,495 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:32:50,516 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:32:50,517 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:32:50,517 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:32:50,517 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:32:50,517 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:32:50,517 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:32:50,518 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:32:50,518 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:32:50,532 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2020-10-20 00:32:50,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 00:32:50,539 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:32:50,540 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:32:50,540 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:32:50,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:32:50,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1930029915, now seen corresponding path program 1 times [2020-10-20 00:32:50,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:32:50,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [468040134] [2020-10-20 00:32:50,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2020-10-20 00:32:50,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:32:50,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-20 00:32:50,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:32:50,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:32:50,665 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:32:50,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:32:50,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [468040134] [2020-10-20 00:32:50,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:32:50,672 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-20 00:32:50,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492907637] [2020-10-20 00:32:50,678 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:32:50,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:32:50,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:32:50,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:32:50,691 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 2 states. [2020-10-20 00:32:50,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:32:50,711 INFO L93 Difference]: Finished difference Result 75 states and 119 transitions. [2020-10-20 00:32:50,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:32:50,712 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-20 00:32:50,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:32:50,724 INFO L225 Difference]: With dead ends: 75 [2020-10-20 00:32:50,724 INFO L226 Difference]: Without dead ends: 35 [2020-10-20 00:32:50,728 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 [2020-10-20 00:32:50,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-20 00:32:50,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-10-20 00:32:50,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-20 00:32:50,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 50 transitions. [2020-10-20 00:32:50,763 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 50 transitions. Word has length 11 [2020-10-20 00:32:50,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:32:50,764 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 50 transitions. [2020-10-20 00:32:50,764 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:32:50,764 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2020-10-20 00:32:50,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-20 00:32:50,765 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:32:50,765 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:32:50,973 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 00:32:50,974 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:32:50,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:32:50,975 INFO L82 PathProgramCache]: Analyzing trace with hash -1310108990, now seen corresponding path program 1 times [2020-10-20 00:32:50,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:32:50,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2018093766] [2020-10-20 00:32:50,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2020-10-20 00:32:51,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:32:51,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-20 00:32:51,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:32:51,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:32:51,225 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:32:51,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:32:51,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2018093766] [2020-10-20 00:32:51,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:32:51,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-10-20 00:32:51,321 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073706117] [2020-10-20 00:32:51,329 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-20 00:32:51,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:32:51,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-20 00:32:51,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-20 00:32:51,333 INFO L87 Difference]: Start difference. First operand 35 states and 50 transitions. Second operand 8 states. [2020-10-20 00:32:51,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:32:51,817 INFO L93 Difference]: Finished difference Result 47 states and 62 transitions. [2020-10-20 00:32:51,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 00:32:51,819 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2020-10-20 00:32:51,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:32:51,820 INFO L225 Difference]: With dead ends: 47 [2020-10-20 00:32:51,820 INFO L226 Difference]: Without dead ends: 21 [2020-10-20 00:32:51,822 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 [2020-10-20 00:32:51,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-10-20 00:32:51,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-10-20 00:32:51,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-20 00:32:51,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2020-10-20 00:32:51,828 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 12 [2020-10-20 00:32:51,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:32:51,829 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2020-10-20 00:32:51,829 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-20 00:32:51,829 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2020-10-20 00:32:51,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-20 00:32:51,830 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:32:51,830 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:32:52,040 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 00:32:52,041 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:32:52,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:32:52,043 INFO L82 PathProgramCache]: Analyzing trace with hash -649381144, now seen corresponding path program 1 times [2020-10-20 00:32:52,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:32:52,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [94852121] [2020-10-20 00:32:52,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2020-10-20 00:32:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:32:52,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-20 00:32:52,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:32:52,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:32:52,298 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:32:53,195 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2020-10-20 00:32:53,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:32:53,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [94852121] [2020-10-20 00:32:53,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:32:53,401 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-10-20 00:32:53,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757066159] [2020-10-20 00:32:53,402 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 00:32:53,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:32:53,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 00:32:53,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-20 00:32:53,408 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 6 states. [2020-10-20 00:32:53,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:32:53,861 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2020-10-20 00:32:53,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 00:32:53,872 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-20 00:32:53,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:32:53,873 INFO L225 Difference]: With dead ends: 33 [2020-10-20 00:32:53,873 INFO L226 Difference]: Without dead ends: 21 [2020-10-20 00:32:53,874 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-20 00:32:53,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-10-20 00:32:53,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-10-20 00:32:53,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-20 00:32:53,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2020-10-20 00:32:53,880 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 15 [2020-10-20 00:32:53,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:32:53,880 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2020-10-20 00:32:53,881 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 00:32:53,881 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2020-10-20 00:32:53,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-20 00:32:53,882 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:32:53,882 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:32:54,092 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-20 00:32:54,093 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:32:54,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:32:54,094 INFO L82 PathProgramCache]: Analyzing trace with hash -1381924140, now seen corresponding path program 1 times [2020-10-20 00:32:54,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:32:54,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1046712526] [2020-10-20 00:32:54,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2020-10-20 00:32:54,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:32:54,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-20 00:32:54,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:32:54,367 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 45 treesize of output 39 [2020-10-20 00:32:54,378 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 00:32:54,382 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:32:54,383 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:32:54,387 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:32:54,387 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:32:54,388 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:15 [2020-10-20 00:32:54,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:32:54,456 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:32:54,519 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 45 treesize of output 39 [2020-10-20 00:32:54,523 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 00:32:54,526 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:32:54,527 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:32:54,532 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:32:54,532 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:32:54,532 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:15 [2020-10-20 00:32:54,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:32:54,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1046712526] [2020-10-20 00:32:54,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:32:54,556 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2020-10-20 00:32:54,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776437045] [2020-10-20 00:32:54,557 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-20 00:32:54,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:32:54,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-20 00:32:54,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-20 00:32:54,558 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 9 states. [2020-10-20 00:32:54,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:32:54,856 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2020-10-20 00:32:54,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 00:32:54,858 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 16 [2020-10-20 00:32:54,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:32:54,859 INFO L225 Difference]: With dead ends: 24 [2020-10-20 00:32:54,860 INFO L226 Difference]: Without dead ends: 21 [2020-10-20 00:32:54,860 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-10-20 00:32:54,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-10-20 00:32:54,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-10-20 00:32:54,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-20 00:32:54,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions. [2020-10-20 00:32:54,866 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 16 [2020-10-20 00:32:54,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:32:54,866 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions. [2020-10-20 00:32:54,866 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-20 00:32:54,866 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2020-10-20 00:32:54,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-20 00:32:54,867 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:32:54,867 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] [2020-10-20 00:32:55,073 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-20 00:32:55,074 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:32:55,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:32:55,075 INFO L82 PathProgramCache]: Analyzing trace with hash -2014843095, now seen corresponding path program 1 times [2020-10-20 00:32:55,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:32:55,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1789795472] [2020-10-20 00:32:55,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-10-20 00:32:55,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:32:55,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 14 conjunts are in the unsatisfiable core [2020-10-20 00:32:55,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:32:55,259 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 45 treesize of output 39 [2020-10-20 00:32:55,264 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 00:32:55,267 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:32:55,267 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:32:55,269 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:32:55,270 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:32:55,270 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:15 [2020-10-20 00:32:55,367 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 00:32:55,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:32:55,422 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:32:55,658 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 52 treesize of output 46 [2020-10-20 00:32:55,665 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 00:32:55,668 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:32:55,669 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:32:55,676 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:32:55,677 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. [2020-10-20 00:32:55,678 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:59, output treesize:29 [2020-10-20 00:32:55,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:32:55,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1789795472] [2020-10-20 00:32:55,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:32:55,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 16 [2020-10-20 00:32:55,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220752240] [2020-10-20 00:32:55,786 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-20 00:32:55,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:32:55,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-20 00:32:55,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2020-10-20 00:32:55,787 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand 16 states. [2020-10-20 00:32:56,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:32:56,623 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2020-10-20 00:32:56,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-20 00:32:56,625 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 20 [2020-10-20 00:32:56,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:32:56,626 INFO L225 Difference]: With dead ends: 21 [2020-10-20 00:32:56,626 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 00:32:56,627 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=130, Invalid=376, Unknown=0, NotChecked=0, Total=506 [2020-10-20 00:32:56,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 00:32:56,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 00:32:56,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 00:32:56,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 00:32:56,628 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2020-10-20 00:32:56,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:32:56,628 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 00:32:56,628 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-20 00:32:56,628 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 00:32:56,628 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 00:32:56,834 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-10-20 00:32:56,838 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 00:32:57,134 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2020-10-20 00:32:57,284 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2020-10-20 00:32:57,433 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 42 [2020-10-20 00:32:57,436 INFO L274 CegarLoopResult]: For program point L60(lines 60 67) no Hoare annotation was computed. [2020-10-20 00:32:57,436 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 00:32:57,436 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 00:32:57,436 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 00:32:57,436 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 00:32:57,436 INFO L274 CegarLoopResult]: For program point L28(lines 28 71) no Hoare annotation was computed. [2020-10-20 00:32:57,437 INFO L270 CegarLoopResult]: At program point L78(lines 18 79) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (concat (_ bv0 32) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))))) (and (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (bvadd ULTIMATE.start_floor_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 32)))) (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3))))) (= ULTIMATE.start_floor_double_~x .cse0) (= currentRoundingMode roundNearestTiesToEven) (= ~huge_floor~0 ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) (= ULTIMATE.start_floor_double_~i1~0 (_ bv0 32)) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3))) (= ULTIMATE.start_floor_double_~i0~0 ((_ extract 63 32) v_skolemized_v_prenex_1_3)))) (= |ULTIMATE.start_floor_double_#res| .cse0))) [2020-10-20 00:32:57,437 INFO L274 CegarLoopResult]: For program point L29(lines 29 48) no Hoare annotation was computed. [2020-10-20 00:32:57,437 INFO L274 CegarLoopResult]: For program point L21-1(lines 21 26) no Hoare annotation was computed. [2020-10-20 00:32:57,437 INFO L270 CegarLoopResult]: At program point L21-2(lines 21 26) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= ~huge_floor~0 ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) (= ULTIMATE.start_floor_double_~x (_ +zero 11 53))) [2020-10-20 00:32:57,438 INFO L274 CegarLoopResult]: For program point L21-3(lines 21 26) no Hoare annotation was computed. [2020-10-20 00:32:57,438 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-20 00:32:57,438 INFO L274 CegarLoopResult]: For program point L104-2(lines 104 107) no Hoare annotation was computed. [2020-10-20 00:32:57,438 INFO L274 CegarLoopResult]: For program point L30(lines 30 37) no Hoare annotation was computed. [2020-10-20 00:32:57,438 INFO L274 CegarLoopResult]: For program point L72(lines 72 77) no Hoare annotation was computed. [2020-10-20 00:32:57,438 INFO L274 CegarLoopResult]: For program point L72-1(lines 18 79) no Hoare annotation was computed. [2020-10-20 00:32:57,438 INFO L274 CegarLoopResult]: For program point L72-2(lines 72 77) no Hoare annotation was computed. [2020-10-20 00:32:57,438 INFO L274 CegarLoopResult]: For program point L64(lines 64 65) no Hoare annotation was computed. [2020-10-20 00:32:57,438 INFO L274 CegarLoopResult]: For program point L31(lines 31 36) no Hoare annotation was computed. [2020-10-20 00:32:57,439 INFO L274 CegarLoopResult]: For program point L64-2(lines 64 65) no Hoare annotation was computed. [2020-10-20 00:32:57,439 INFO L274 CegarLoopResult]: For program point L56(lines 56 57) no Hoare annotation was computed. [2020-10-20 00:32:57,439 INFO L274 CegarLoopResult]: For program point L40(lines 40 41) no Hoare annotation was computed. [2020-10-20 00:32:57,439 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 00:32:57,439 INFO L270 CegarLoopResult]: At program point L90(lines 81 91) the Hoare annotation is: (let ((.cse0 (let ((.cse2 (concat (_ bv0 32) (_ bv0 32)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))))) (and |ULTIMATE.start_main_#t~short17| (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (bvadd ULTIMATE.start_floor_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 32)))) (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3))))) (= ULTIMATE.start___signbit_double_~x .cse0) (= .cse0 ULTIMATE.start_main_~res~0) (= ULTIMATE.start_floor_double_~x .cse0) (= ULTIMATE.start_floor_double_~i0~0 ULTIMATE.start_floor_double_~i1~0) (= currentRoundingMode roundNearestTiesToEven) (= ~huge_floor~0 ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) (= ULTIMATE.start_floor_double_~i1~0 (_ bv0 32)) (= |ULTIMATE.start___signbit_double_#res| (_ bv0 32)) (= |ULTIMATE.start_floor_double_#res| .cse0) (exists ((|v_skolemized_q#valueAsBitvector_5| (_ BitVec 64))) (and (= (let ((.cse1 (concat (_ bv0 32) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_5|))) (= ULTIMATE.start___signbit_double_~msw~0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_5|)))))) [2020-10-20 00:32:57,439 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 00:32:57,439 INFO L274 CegarLoopResult]: For program point L49(lines 49 71) no Hoare annotation was computed. [2020-10-20 00:32:57,440 INFO L274 CegarLoopResult]: For program point L33(lines 33 36) no Hoare annotation was computed. [2020-10-20 00:32:57,440 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 00:32:57,440 INFO L274 CegarLoopResult]: For program point L58(lines 58 70) no Hoare annotation was computed. [2020-10-20 00:32:57,440 INFO L274 CegarLoopResult]: For program point L50(lines 50 53) no Hoare annotation was computed. [2020-10-20 00:32:57,440 INFO L274 CegarLoopResult]: For program point L42(lines 42 47) no Hoare annotation was computed. [2020-10-20 00:32:57,440 INFO L274 CegarLoopResult]: For program point L59(lines 59 68) no Hoare annotation was computed. [2020-10-20 00:32:57,440 INFO L274 CegarLoopResult]: For program point L59-1(lines 59 68) no Hoare annotation was computed. [2020-10-20 00:32:57,440 INFO L274 CegarLoopResult]: For program point L84-1(lines 84 88) no Hoare annotation was computed. [2020-10-20 00:32:57,441 INFO L270 CegarLoopResult]: At program point L84-2(lines 84 88) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (concat (_ bv0 32) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))))) (and |ULTIMATE.start_main_#t~short17| (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (bvadd ULTIMATE.start_floor_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 32)))) (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3))))) (= ULTIMATE.start___signbit_double_~x .cse0) (= .cse0 ULTIMATE.start_main_~res~0) (= ULTIMATE.start_floor_double_~x .cse0) (= currentRoundingMode roundNearestTiesToEven) (= ~huge_floor~0 ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) (= ULTIMATE.start_floor_double_~i1~0 (_ bv0 32)) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3))) (= ULTIMATE.start_floor_double_~i0~0 ((_ extract 63 32) v_skolemized_v_prenex_1_3)))) (= |ULTIMATE.start_floor_double_#res| .cse0))) [2020-10-20 00:32:57,441 INFO L274 CegarLoopResult]: For program point L84-3(lines 84 88) no Hoare annotation was computed. [2020-10-20 00:32:57,441 INFO L277 CegarLoopResult]: At program point L109(lines 93 110) the Hoare annotation is: true [2020-10-20 00:32:57,441 INFO L274 CegarLoopResult]: For program point L43(lines 43 44) no Hoare annotation was computed. [2020-10-20 00:32:57,441 INFO L274 CegarLoopResult]: For program point L43-2(lines 43 44) no Hoare annotation was computed. [2020-10-20 00:32:57,449 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java: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:55) [2020-10-20 00:32:57,462 INFO L168 Benchmark]: Toolchain (without parser) took 9091.11 ms. Allocated memory was 35.1 MB in the beginning and 53.5 MB in the end (delta: 18.4 MB). Free memory was 11.8 MB in the beginning and 15.7 MB in the end (delta: -3.9 MB). Peak memory consumption was 18.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:57,463 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 33.6 MB. Free memory was 18.6 MB in the beginning and 18.5 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. [2020-10-20 00:32:57,464 INFO L168 Benchmark]: CACSL2BoogieTranslator took 385.07 ms. Allocated memory was 35.1 MB in the beginning and 43.0 MB in the end (delta: 7.9 MB). Free memory was 10.9 MB in the beginning and 23.6 MB in the end (delta: -12.7 MB). Peak memory consumption was 7.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:57,465 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.38 ms. Allocated memory is still 43.0 MB. Free memory was 23.4 MB in the beginning and 21.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:57,466 INFO L168 Benchmark]: Boogie Preprocessor took 47.26 ms. Allocated memory is still 43.0 MB. Free memory was 21.3 MB in the beginning and 19.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:57,470 INFO L168 Benchmark]: RCFGBuilder took 1603.64 ms. Allocated memory was 43.0 MB in the beginning and 44.0 MB in the end (delta: 1.0 MB). Free memory was 19.4 MB in the beginning and 22.0 MB in the end (delta: -2.6 MB). Peak memory consumption was 7.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:57,478 INFO L168 Benchmark]: TraceAbstraction took 6991.41 ms. Allocated memory was 44.0 MB in the beginning and 53.5 MB in the end (delta: 9.4 MB). Free memory was 21.4 MB in the beginning and 15.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 19.2 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:57,485 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 33.6 MB. Free memory was 18.6 MB in the beginning and 18.5 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 385.07 ms. Allocated memory was 35.1 MB in the beginning and 43.0 MB in the end (delta: 7.9 MB). Free memory was 10.9 MB in the beginning and 23.6 MB in the end (delta: -12.7 MB). Peak memory consumption was 7.8 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 47.38 ms. Allocated memory is still 43.0 MB. Free memory was 23.4 MB in the beginning and 21.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 47.26 ms. Allocated memory is still 43.0 MB. Free memory was 21.3 MB in the beginning and 19.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1603.64 ms. Allocated memory was 43.0 MB in the beginning and 44.0 MB in the end (delta: 1.0 MB). Free memory was 19.4 MB in the beginning and 22.0 MB in the end (delta: -2.6 MB). Peak memory consumption was 7.8 MB. Max. memory is 14.3 GB. * TraceAbstraction took 6991.41 ms. Allocated memory was 44.0 MB in the beginning and 53.5 MB in the end (delta: 9.4 MB). Free memory was 21.4 MB in the beginning and 15.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 19.2 MB. Max. memory is 14.3 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...