./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 a4ecdabc 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_1.5.800.v20200727-1323.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_1.5.800.v20200727-1323.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 0.2.0-a4ecdab [2020-10-24 23:16:24,993 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 23:16:24,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 23:16:25,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 23:16:25,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 23:16:25,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 23:16:25,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 23:16:25,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 23:16:25,074 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 23:16:25,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 23:16:25,082 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 23:16:25,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 23:16:25,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 23:16:25,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 23:16:25,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 23:16:25,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 23:16:25,095 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 23:16:25,098 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 23:16:25,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 23:16:25,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 23:16:25,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 23:16:25,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 23:16:25,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 23:16:25,126 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 23:16:25,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 23:16:25,135 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 23:16:25,136 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 23:16:25,139 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 23:16:25,140 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 23:16:25,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 23:16:25,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:16:25,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:16:25,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:16:25,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:16:25,147 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:16:25,148 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:16:25,149 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:16:25,149 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:16:25,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:16:25,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:16:25,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:16:25,156 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 23:16:25,213 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:16:25,213 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:16:25,217 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:16:25,217 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:16:25,218 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:16:25,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:16:25,218 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:16:25,218 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 23:16:25,218 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:16:25,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:16:25,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:16:25,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:16:25,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:16:25,221 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:16:25,221 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:16:25,221 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:16:25,221 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:16:25,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:16:25,222 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:16:25,222 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:16:25,222 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:16:25,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:16:25,223 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:16:25,223 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:16:25,223 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:16:25,224 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 23:16:25,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 23:16:25,224 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:16:25,224 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:16:25,224 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d3da3677db9bcac0085ed27f307e82ca02a6621 [2020-10-24 23:16:25,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:16:25,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:16:25,714 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:16:25,716 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:16:25,717 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:16:25,718 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1052d.c [2020-10-24 23:16:25,811 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c6cb4cd3/6e65bbb9d98a454f8fa7f55e040a6a6b/FLAGecd057d47 [2020-10-24 23:16:26,530 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:16:26,531 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1052d.c [2020-10-24 23:16:26,542 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c6cb4cd3/6e65bbb9d98a454f8fa7f55e040a6a6b/FLAGecd057d47 [2020-10-24 23:16:26,844 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c6cb4cd3/6e65bbb9d98a454f8fa7f55e040a6a6b [2020-10-24 23:16:26,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:16:26,855 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:16:26,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:16:26,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:16:26,861 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:16:26,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:16:26" (1/1) ... [2020-10-24 23:16:26,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4669c6e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:26, skipping insertion in model container [2020-10-24 23:16:26,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:16:26" (1/1) ... [2020-10-24 23:16:26,876 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:16:26,895 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:16:27,140 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:16:27,151 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:16:27,193 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:16:27,210 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:16:27,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:27 WrapperNode [2020-10-24 23:16:27,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:16:27,212 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:16:27,212 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:16:27,213 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:16:27,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:27" (1/1) ... [2020-10-24 23:16:27,232 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:27" (1/1) ... [2020-10-24 23:16:27,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:16:27,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:16:27,281 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:16:27,281 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:16:27,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:27" (1/1) ... [2020-10-24 23:16:27,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:27" (1/1) ... [2020-10-24 23:16:27,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:27" (1/1) ... [2020-10-24 23:16:27,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:27" (1/1) ... [2020-10-24 23:16:27,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:27" (1/1) ... [2020-10-24 23:16:27,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:27" (1/1) ... [2020-10-24 23:16:27,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:27" (1/1) ... [2020-10-24 23:16:27,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:16:27,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:16:27,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:16:27,321 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:16:27,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:27" (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 [2020-10-24 23:16:27,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 23:16:27,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:16:27,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 23:16:27,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 23:16:27,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 23:16:27,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:16:27,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:16:27,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 23:16:27,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:16:27,939 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:16:27,940 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-24 23:16:27,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:16:27 BoogieIcfgContainer [2020-10-24 23:16:27,944 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:16:27,948 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:16:27,948 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:16:27,952 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:16:27,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:16:26" (1/3) ... [2020-10-24 23:16:27,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aaa9563 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:16:27, skipping insertion in model container [2020-10-24 23:16:27,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:27" (2/3) ... [2020-10-24 23:16:27,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aaa9563 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:16:27, skipping insertion in model container [2020-10-24 23:16:27,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:16:27" (3/3) ... [2020-10-24 23:16:27,957 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1052d.c [2020-10-24 23:16:27,973 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:16:27,980 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:16:28,005 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:16:28,052 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:16:28,053 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:16:28,053 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:16:28,053 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:16:28,053 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:16:28,053 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:16:28,053 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:16:28,054 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:16:28,073 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2020-10-24 23:16:28,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-24 23:16:28,086 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:16:28,087 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:16:28,087 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:16:28,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:16:28,095 INFO L82 PathProgramCache]: Analyzing trace with hash -1930029915, now seen corresponding path program 1 times [2020-10-24 23:16:28,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:16:28,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984609417] [2020-10-24 23:16:28,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:16:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:16:28,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:16:28,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984609417] [2020-10-24 23:16:28,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:16:28,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 23:16:28,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993092514] [2020-10-24 23:16:28,345 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:16:28,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 23:16:28,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:16:28,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:16:28,371 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 2 states. [2020-10-24 23:16:28,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:16:28,403 INFO L93 Difference]: Finished difference Result 75 states and 119 transitions. [2020-10-24 23:16:28,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:16:28,405 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-24 23:16:28,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:16:28,435 INFO L225 Difference]: With dead ends: 75 [2020-10-24 23:16:28,436 INFO L226 Difference]: Without dead ends: 35 [2020-10-24 23:16:28,442 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:16:28,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-24 23:16:28,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-10-24 23:16:28,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-24 23:16:28,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 50 transitions. [2020-10-24 23:16:28,502 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 50 transitions. Word has length 11 [2020-10-24 23:16:28,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:16:28,502 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 50 transitions. [2020-10-24 23:16:28,502 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:16:28,502 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2020-10-24 23:16:28,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 23:16:28,505 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:16:28,506 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:16:28,506 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 23:16:28,506 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:16:28,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:16:28,513 INFO L82 PathProgramCache]: Analyzing trace with hash -1310108990, now seen corresponding path program 1 times [2020-10-24 23:16:28,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:16:28,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614797918] [2020-10-24 23:16:28,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:16:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:16:28,626 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:16:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:16:28,690 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:16:28,747 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 23:16:28,747 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 23:16:28,749 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 23:16:28,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:16:28 BoogieIcfgContainer [2020-10-24 23:16:28,801 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 23:16:28,803 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 23:16:28,803 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 23:16:28,803 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 23:16:28,804 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:16:27" (3/4) ... [2020-10-24 23:16:28,808 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 23:16:28,808 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 23:16:28,814 INFO L168 Benchmark]: Toolchain (without parser) took 1959.86 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 21.6 MB in the beginning and 31.3 MB in the end (delta: -9.7 MB). Peak memory consumption was 3.9 MB. Max. memory is 16.1 GB. [2020-10-24 23:16:28,815 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 44.0 MB. Free memory was 29.8 MB in the beginning and 29.8 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:16:28,817 INFO L168 Benchmark]: CACSL2BoogieTranslator took 354.59 ms. Allocated memory is still 44.0 MB. Free memory was 20.9 MB in the beginning and 21.4 MB in the end (delta: -510.3 kB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. [2020-10-24 23:16:28,818 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.02 ms. Allocated memory is still 44.0 MB. Free memory was 21.4 MB in the beginning and 29.4 MB in the end (delta: -8.0 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. [2020-10-24 23:16:28,819 INFO L168 Benchmark]: Boogie Preprocessor took 40.25 ms. Allocated memory is still 44.0 MB. Free memory was 29.3 MB in the beginning and 27.7 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:16:28,821 INFO L168 Benchmark]: RCFGBuilder took 624.43 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 27.7 MB in the beginning and 26.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2020-10-24 23:16:28,822 INFO L168 Benchmark]: TraceAbstraction took 853.61 ms. Allocated memory is still 54.5 MB. Free memory was 25.8 MB in the beginning and 31.8 MB in the end (delta: -6.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:16:28,823 INFO L168 Benchmark]: Witness Printer took 5.38 ms. Allocated memory is still 54.5 MB. Free memory was 31.5 MB in the beginning and 31.3 MB in the end (delta: 270.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:16:28,840 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 44.0 MB. Free memory was 29.8 MB in the beginning and 29.8 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 354.59 ms. Allocated memory is still 44.0 MB. Free memory was 20.9 MB in the beginning and 21.4 MB in the end (delta: -510.3 kB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 66.02 ms. Allocated memory is still 44.0 MB. Free memory was 21.4 MB in the beginning and 29.4 MB in the end (delta: -8.0 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.25 ms. Allocated memory is still 44.0 MB. Free memory was 29.3 MB in the beginning and 27.7 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 624.43 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 27.7 MB in the beginning and 26.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 853.61 ms. Allocated memory is still 54.5 MB. Free memory was 25.8 MB in the beginning and 31.8 MB in the end (delta: -6.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.38 ms. Allocated memory is still 54.5 MB. Free memory was 31.5 MB in the beginning and 31.3 MB in the end (delta: 270.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of shiftRight at line 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: 0.7s, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-10-24 23:16:31,442 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 23:16:31,445 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 23:16:31,481 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 23:16:31,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 23:16:31,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 23:16:31,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 23:16:31,487 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 23:16:31,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 23:16:31,491 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 23:16:31,492 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 23:16:31,493 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 23:16:31,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 23:16:31,495 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 23:16:31,499 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 23:16:31,501 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 23:16:31,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 23:16:31,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 23:16:31,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 23:16:31,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 23:16:31,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 23:16:31,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 23:16:31,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 23:16:31,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 23:16:31,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 23:16:31,537 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 23:16:31,538 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 23:16:31,539 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 23:16:31,543 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 23:16:31,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 23:16:31,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:16:31,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:16:31,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:16:31,547 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:16:31,548 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:16:31,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:16:31,549 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:16:31,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:16:31,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:16:31,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:16:31,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:16:31,553 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 23:16:31,586 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:16:31,588 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:16:31,590 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:16:31,591 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:16:31,591 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:16:31,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:16:31,593 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:16:31,593 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:16:31,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:16:31,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:16:31,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:16:31,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:16:31,595 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 23:16:31,596 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 23:16:31,596 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:16:31,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:16:31,596 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:16:31,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:16:31,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:16:31,597 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:16:31,597 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:16:31,598 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:16:31,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:16:31,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:16:31,598 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:16:31,598 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:16:31,599 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 23:16:31,599 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 23:16:31,599 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:16:31,599 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:16:31,600 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 23:16:31,600 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d3da3677db9bcac0085ed27f307e82ca02a6621 [2020-10-24 23:16:32,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:16:32,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:16:32,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:16:32,099 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:16:32,100 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:16:32,101 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1052d.c [2020-10-24 23:16:32,198 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e130ea4b7/b0d388a6eb104fb59bd2f5450f0d588b/FLAGb130031f4 [2020-10-24 23:16:32,916 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:16:32,917 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1052d.c [2020-10-24 23:16:32,929 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e130ea4b7/b0d388a6eb104fb59bd2f5450f0d588b/FLAGb130031f4 [2020-10-24 23:16:33,238 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e130ea4b7/b0d388a6eb104fb59bd2f5450f0d588b [2020-10-24 23:16:33,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:16:33,248 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:16:33,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:16:33,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:16:33,261 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:16:33,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:16:33" (1/1) ... [2020-10-24 23:16:33,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d14bd78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:33, skipping insertion in model container [2020-10-24 23:16:33,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:16:33" (1/1) ... [2020-10-24 23:16:33,275 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:16:33,305 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:16:33,575 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:16:33,609 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:16:33,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:16:33,673 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:16:33,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:33 WrapperNode [2020-10-24 23:16:33,674 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:16:33,676 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:16:33,676 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:16:33,676 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:16:33,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:33" (1/1) ... [2020-10-24 23:16:33,701 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:33" (1/1) ... [2020-10-24 23:16:33,758 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:16:33,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:16:33,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:16:33,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:16:33,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:33" (1/1) ... [2020-10-24 23:16:33,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:33" (1/1) ... [2020-10-24 23:16:33,800 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:33" (1/1) ... [2020-10-24 23:16:33,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:33" (1/1) ... [2020-10-24 23:16:33,832 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:33" (1/1) ... [2020-10-24 23:16:33,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:33" (1/1) ... [2020-10-24 23:16:33,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:33" (1/1) ... [2020-10-24 23:16:33,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:16:33,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:16:33,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:16:33,861 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:16:33,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:33" (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 [2020-10-24 23:16:33,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-24 23:16:33,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-24 23:16:33,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 23:16:33,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:16:33,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-24 23:16:33,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:16:33,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:16:33,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-24 23:16:33,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:16:35,727 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:16:35,728 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-24 23:16:35,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:16:35 BoogieIcfgContainer [2020-10-24 23:16:35,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:16:35,740 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:16:35,741 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:16:35,746 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:16:35,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:16:33" (1/3) ... [2020-10-24 23:16:35,748 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d4bfa0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:16:35, skipping insertion in model container [2020-10-24 23:16:35,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:33" (2/3) ... [2020-10-24 23:16:35,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d4bfa0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:16:35, skipping insertion in model container [2020-10-24 23:16:35,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:16:35" (3/3) ... [2020-10-24 23:16:35,756 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1052d.c [2020-10-24 23:16:35,774 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:16:35,780 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:16:35,795 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:16:35,841 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:16:35,842 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:16:35,842 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:16:35,842 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:16:35,842 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:16:35,842 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:16:35,842 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:16:35,842 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:16:35,858 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2020-10-24 23:16:35,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-24 23:16:35,864 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:16:35,865 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:16:35,866 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:16:35,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:16:35,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1930029915, now seen corresponding path program 1 times [2020-10-24 23:16:35,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:16:35,888 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1583418724] [2020-10-24 23:16:35,889 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 [2020-10-24 23:16:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:16:35,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-24 23:16:35,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:16:36,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:16:36,006 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:16:36,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:16:36,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1583418724] [2020-10-24 23:16:36,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:16:36,014 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-24 23:16:36,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559795327] [2020-10-24 23:16:36,028 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:16:36,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:16:36,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:16:36,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:16:36,047 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 2 states. [2020-10-24 23:16:36,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:16:36,073 INFO L93 Difference]: Finished difference Result 75 states and 119 transitions. [2020-10-24 23:16:36,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:16:36,075 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-24 23:16:36,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:16:36,086 INFO L225 Difference]: With dead ends: 75 [2020-10-24 23:16:36,087 INFO L226 Difference]: Without dead ends: 35 [2020-10-24 23:16:36,090 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:16:36,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-24 23:16:36,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-10-24 23:16:36,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-24 23:16:36,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 50 transitions. [2020-10-24 23:16:36,136 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 50 transitions. Word has length 11 [2020-10-24 23:16:36,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:16:36,137 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 50 transitions. [2020-10-24 23:16:36,137 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:16:36,138 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2020-10-24 23:16:36,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 23:16:36,139 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:16:36,139 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:16:36,354 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-24 23:16:36,354 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:16:36,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:16:36,356 INFO L82 PathProgramCache]: Analyzing trace with hash -1310108990, now seen corresponding path program 1 times [2020-10-24 23:16:36,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:16:36,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1725969398] [2020-10-24 23:16:36,357 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 [2020-10-24 23:16:36,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:16:36,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-24 23:16:36,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:16:36,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:16:36,581 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:16:36,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:16:36,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1725969398] [2020-10-24 23:16:36,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:16:36,672 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-10-24 23:16:36,672 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581732977] [2020-10-24 23:16:36,674 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 23:16:36,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:16:36,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 23:16:36,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-24 23:16:36,676 INFO L87 Difference]: Start difference. First operand 35 states and 50 transitions. Second operand 8 states. [2020-10-24 23:16:37,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:16:37,133 INFO L93 Difference]: Finished difference Result 47 states and 62 transitions. [2020-10-24 23:16:37,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-24 23:16:37,134 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2020-10-24 23:16:37,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:16:37,135 INFO L225 Difference]: With dead ends: 47 [2020-10-24 23:16:37,135 INFO L226 Difference]: Without dead ends: 21 [2020-10-24 23:16:37,137 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-10-24 23:16:37,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-10-24 23:16:37,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-10-24 23:16:37,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-24 23:16:37,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2020-10-24 23:16:37,144 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 12 [2020-10-24 23:16:37,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:16:37,145 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2020-10-24 23:16:37,145 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 23:16:37,145 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2020-10-24 23:16:37,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-24 23:16:37,146 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:16:37,146 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:16:37,363 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-24 23:16:37,364 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:16:37,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:16:37,366 INFO L82 PathProgramCache]: Analyzing trace with hash -649381144, now seen corresponding path program 1 times [2020-10-24 23:16:37,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:16:37,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [417367791] [2020-10-24 23:16:37,367 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 [2020-10-24 23:16:37,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:16:37,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-24 23:16:37,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:16:37,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:16:37,626 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:16:38,552 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2020-10-24 23:16:38,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:16:38,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [417367791] [2020-10-24 23:16:38,736 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:16:38,736 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-10-24 23:16:38,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340025648] [2020-10-24 23:16:38,736 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-24 23:16:38,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:16:38,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-24 23:16:38,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-24 23:16:38,738 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 6 states. [2020-10-24 23:16:39,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:16:39,211 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2020-10-24 23:16:39,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-24 23:16:39,222 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-24 23:16:39,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:16:39,223 INFO L225 Difference]: With dead ends: 33 [2020-10-24 23:16:39,223 INFO L226 Difference]: Without dead ends: 21 [2020-10-24 23:16:39,224 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 [2020-10-24 23:16:39,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-10-24 23:16:39,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-10-24 23:16:39,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-24 23:16:39,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2020-10-24 23:16:39,230 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 15 [2020-10-24 23:16:39,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:16:39,231 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2020-10-24 23:16:39,231 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-24 23:16:39,231 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2020-10-24 23:16:39,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-24 23:16:39,232 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:16:39,232 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:16:39,446 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-24 23:16:39,447 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:16:39,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:16:39,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1381924140, now seen corresponding path program 1 times [2020-10-24 23:16:39,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:16:39,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [811344415] [2020-10-24 23:16:39,450 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 [2020-10-24 23:16:39,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:16:39,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-24 23:16:39,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:16:39,687 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 [2020-10-24 23:16:39,693 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-24 23:16:39,697 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-24 23:16:39,697 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-24 23:16:39,701 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-24 23:16:39,702 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-24 23:16:39,702 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:15 [2020-10-24 23:16:39,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:16:39,746 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:16:39,798 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 [2020-10-24 23:16:39,802 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-24 23:16:39,808 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-24 23:16:39,808 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-24 23:16:39,812 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-24 23:16:39,813 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-24 23:16:39,813 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:15 [2020-10-24 23:16:39,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:16:39,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [811344415] [2020-10-24 23:16:39,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:16:39,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2020-10-24 23:16:39,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537255997] [2020-10-24 23:16:39,861 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-24 23:16:39,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:16:39,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-24 23:16:39,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-24 23:16:39,863 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 9 states. [2020-10-24 23:16:40,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:16:40,200 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2020-10-24 23:16:40,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-24 23:16:40,202 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 16 [2020-10-24 23:16:40,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:16:40,202 INFO L225 Difference]: With dead ends: 24 [2020-10-24 23:16:40,203 INFO L226 Difference]: Without dead ends: 21 [2020-10-24 23:16:40,203 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 [2020-10-24 23:16:40,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-10-24 23:16:40,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-10-24 23:16:40,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-24 23:16:40,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions. [2020-10-24 23:16:40,210 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 16 [2020-10-24 23:16:40,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:16:40,210 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions. [2020-10-24 23:16:40,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-24 23:16:40,211 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2020-10-24 23:16:40,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-24 23:16:40,212 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:16:40,212 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:16:40,425 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-24 23:16:40,426 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:16:40,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:16:40,427 INFO L82 PathProgramCache]: Analyzing trace with hash -2014843095, now seen corresponding path program 1 times [2020-10-24 23:16:40,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:16:40,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [942475191] [2020-10-24 23:16:40,430 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 [2020-10-24 23:16:40,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:16:40,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 14 conjunts are in the unsatisfiable core [2020-10-24 23:16:40,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:16:40,681 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 [2020-10-24 23:16:40,684 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-24 23:16:40,687 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-24 23:16:40,688 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-24 23:16:40,694 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-24 23:16:40,694 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-24 23:16:40,695 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:15 [2020-10-24 23:16:40,838 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 23:16:40,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:16:40,895 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:16:41,169 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 [2020-10-24 23:16:41,174 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-24 23:16:41,179 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-24 23:16:41,179 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-24 23:16:41,190 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-24 23:16:41,191 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-24 23:16:41,192 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:59, output treesize:29 [2020-10-24 23:16:41,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:16:41,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [942475191] [2020-10-24 23:16:41,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:16:41,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 16 [2020-10-24 23:16:41,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929323756] [2020-10-24 23:16:41,300 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-24 23:16:41,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:16:41,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-24 23:16:41,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2020-10-24 23:16:41,302 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand 16 states. [2020-10-24 23:16:42,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:16:42,355 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2020-10-24 23:16:42,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-24 23:16:42,357 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 20 [2020-10-24 23:16:42,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:16:42,357 INFO L225 Difference]: With dead ends: 21 [2020-10-24 23:16:42,357 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 23:16:42,358 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=130, Invalid=376, Unknown=0, NotChecked=0, Total=506 [2020-10-24 23:16:42,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 23:16:42,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 23:16:42,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 23:16:42,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 23:16:42,359 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2020-10-24 23:16:42,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:16:42,360 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 23:16:42,360 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-24 23:16:42,360 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 23:16:42,360 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 23:16:42,560 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-10-24 23:16:42,564 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 23:16:42,894 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2020-10-24 23:16:43,102 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2020-10-24 23:16:43,275 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 42 [2020-10-24 23:16:43,278 INFO L274 CegarLoopResult]: For program point L60(lines 60 67) no Hoare annotation was computed. [2020-10-24 23:16:43,279 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-24 23:16:43,279 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-24 23:16:43,279 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-24 23:16:43,279 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-24 23:16:43,279 INFO L274 CegarLoopResult]: For program point L28(lines 28 71) no Hoare annotation was computed. [2020-10-24 23:16:43,280 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))) [2020-10-24 23:16:43,280 INFO L274 CegarLoopResult]: For program point L29(lines 29 48) no Hoare annotation was computed. [2020-10-24 23:16:43,280 INFO L274 CegarLoopResult]: For program point L21-1(lines 21 26) no Hoare annotation was computed. [2020-10-24 23:16:43,280 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))) [2020-10-24 23:16:43,280 INFO L274 CegarLoopResult]: For program point L21-3(lines 21 26) no Hoare annotation was computed. [2020-10-24 23:16:43,280 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-24 23:16:43,280 INFO L274 CegarLoopResult]: For program point L104-2(lines 104 107) no Hoare annotation was computed. [2020-10-24 23:16:43,280 INFO L274 CegarLoopResult]: For program point L30(lines 30 37) no Hoare annotation was computed. [2020-10-24 23:16:43,281 INFO L274 CegarLoopResult]: For program point L72(lines 72 77) no Hoare annotation was computed. [2020-10-24 23:16:43,281 INFO L274 CegarLoopResult]: For program point L72-1(lines 18 79) no Hoare annotation was computed. [2020-10-24 23:16:43,281 INFO L274 CegarLoopResult]: For program point L72-2(lines 72 77) no Hoare annotation was computed. [2020-10-24 23:16:43,281 INFO L274 CegarLoopResult]: For program point L64(lines 64 65) no Hoare annotation was computed. [2020-10-24 23:16:43,281 INFO L274 CegarLoopResult]: For program point L31(lines 31 36) no Hoare annotation was computed. [2020-10-24 23:16:43,281 INFO L274 CegarLoopResult]: For program point L64-2(lines 64 65) no Hoare annotation was computed. [2020-10-24 23:16:43,281 INFO L274 CegarLoopResult]: For program point L56(lines 56 57) no Hoare annotation was computed. [2020-10-24 23:16:43,281 INFO L274 CegarLoopResult]: For program point L40(lines 40 41) no Hoare annotation was computed. [2020-10-24 23:16:43,281 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-24 23:16:43,282 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|)))))) [2020-10-24 23:16:43,282 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 23:16:43,282 INFO L274 CegarLoopResult]: For program point L49(lines 49 71) no Hoare annotation was computed. [2020-10-24 23:16:43,282 INFO L274 CegarLoopResult]: For program point L33(lines 33 36) no Hoare annotation was computed. [2020-10-24 23:16:43,282 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-24 23:16:43,282 INFO L274 CegarLoopResult]: For program point L58(lines 58 70) no Hoare annotation was computed. [2020-10-24 23:16:43,283 INFO L274 CegarLoopResult]: For program point L50(lines 50 53) no Hoare annotation was computed. [2020-10-24 23:16:43,283 INFO L274 CegarLoopResult]: For program point L42(lines 42 47) no Hoare annotation was computed. [2020-10-24 23:16:43,283 INFO L274 CegarLoopResult]: For program point L59(lines 59 68) no Hoare annotation was computed. [2020-10-24 23:16:43,283 INFO L274 CegarLoopResult]: For program point L59-1(lines 59 68) no Hoare annotation was computed. [2020-10-24 23:16:43,283 INFO L274 CegarLoopResult]: For program point L84-1(lines 84 88) no Hoare annotation was computed. [2020-10-24 23:16:43,283 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))) [2020-10-24 23:16:43,284 INFO L274 CegarLoopResult]: For program point L84-3(lines 84 88) no Hoare annotation was computed. [2020-10-24 23:16:43,284 INFO L277 CegarLoopResult]: At program point L109(lines 93 110) the Hoare annotation is: true [2020-10-24 23:16:43,284 INFO L274 CegarLoopResult]: For program point L43(lines 43 44) no Hoare annotation was computed. [2020-10-24 23:16:43,284 INFO L274 CegarLoopResult]: For program point L43-2(lines 43 44) no Hoare annotation was computed. [2020-10-24 23:16:43,291 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:63) [2020-10-24 23:16:43,296 INFO L168 Benchmark]: Toolchain (without parser) took 10052.50 ms. Allocated memory was 44.0 MB in the beginning and 67.1 MB in the end (delta: 23.1 MB). Free memory was 21.6 MB in the beginning and 35.6 MB in the end (delta: -14.1 MB). Peak memory consumption was 27.6 MB. Max. memory is 16.1 GB. [2020-10-24 23:16:43,297 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 44.0 MB. Free memory was 29.1 MB in the beginning and 29.1 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:16:43,298 INFO L168 Benchmark]: CACSL2BoogieTranslator took 424.94 ms. Allocated memory is still 44.0 MB. Free memory was 21.0 MB in the beginning and 20.7 MB in the end (delta: 311.4 kB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-10-24 23:16:43,299 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.72 ms. Allocated memory is still 44.0 MB. Free memory was 20.7 MB in the beginning and 28.5 MB in the end (delta: -7.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. [2020-10-24 23:16:43,300 INFO L168 Benchmark]: Boogie Preprocessor took 100.28 ms. Allocated memory is still 44.0 MB. Free memory was 28.5 MB in the beginning and 26.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:16:43,301 INFO L168 Benchmark]: RCFGBuilder took 1870.05 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 26.6 MB in the beginning and 24.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. [2020-10-24 23:16:43,302 INFO L168 Benchmark]: TraceAbstraction took 7554.15 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 38.0 MB in the beginning and 35.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 30.3 MB. Max. memory is 16.1 GB. [2020-10-24 23:16:43,307 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 44.0 MB. Free memory was 29.1 MB in the beginning and 29.1 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 424.94 ms. Allocated memory is still 44.0 MB. Free memory was 21.0 MB in the beginning and 20.7 MB in the end (delta: 311.4 kB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 82.72 ms. Allocated memory is still 44.0 MB. Free memory was 20.7 MB in the beginning and 28.5 MB in the end (delta: -7.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 100.28 ms. Allocated memory is still 44.0 MB. Free memory was 28.5 MB in the beginning and 26.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1870.05 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 26.6 MB in the beginning and 24.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7554.15 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 38.0 MB in the beginning and 35.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 30.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ExceptionOrErrorResult: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...