./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1052d.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2880296f 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 ../../../trunk/examples/svcomp/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 ../../../trunk/examples/svcomp/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 0.2.0-2880296 [2020-12-02 15:32:14,892 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:32:14,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:32:14,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:32:14,948 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:32:14,955 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:32:14,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:32:14,965 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:32:14,968 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:32:14,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:32:14,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:32:14,982 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:32:14,982 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:32:14,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:32:14,988 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:32:14,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:32:14,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:32:14,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:32:15,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:32:15,008 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:32:15,011 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:32:15,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:32:15,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:32:15,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:32:15,029 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:32:15,029 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:32:15,030 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:32:15,033 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:32:15,034 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:32:15,035 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:32:15,035 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:32:15,036 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:32:15,040 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:32:15,041 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:32:15,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:32:15,053 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:32:15,054 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:32:15,054 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:32:15,055 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:32:15,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:32:15,058 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:32:15,060 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 15:32:15,123 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:32:15,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:32:15,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:32:15,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:32:15,128 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:32:15,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:32:15,129 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:32:15,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 15:32:15,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:32:15,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:32:15,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:32:15,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:32:15,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:32:15,132 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:32:15,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:32:15,132 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:32:15,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:32:15,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:32:15,133 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:32:15,133 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:32:15,133 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:32:15,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:32:15,134 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:32:15,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:32:15,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:32:15,134 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 15:32:15,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 15:32:15,135 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:32:15,135 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:32:15,135 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d3da3677db9bcac0085ed27f307e82ca02a6621 [2020-12-02 15:32:15,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:32:15,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:32:15,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:32:15,599 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:32:15,600 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:32:15,601 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1052d.c [2020-12-02 15:32:15,689 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a14a49e8/72fb2a36896144b3a8a982d46a133327/FLAG0240cd6a6 [2020-12-02 15:32:16,502 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:32:16,503 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1052d.c [2020-12-02 15:32:16,513 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a14a49e8/72fb2a36896144b3a8a982d46a133327/FLAG0240cd6a6 [2020-12-02 15:32:16,828 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a14a49e8/72fb2a36896144b3a8a982d46a133327 [2020-12-02 15:32:16,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:32:16,834 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:32:16,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:32:16,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:32:16,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:32:16,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:32:16" (1/1) ... [2020-12-02 15:32:16,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1caf0fa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:32:16, skipping insertion in model container [2020-12-02 15:32:16,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:32:16" (1/1) ... [2020-12-02 15:32:16,877 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:32:16,897 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:32:17,101 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1052d.c[2259,2272] [2020-12-02 15:32:17,105 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:32:17,116 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 15:32:17,153 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1052d.c[2259,2272] [2020-12-02 15:32:17,154 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:32:17,175 INFO L217 MainTranslator]: Completed translation [2020-12-02 15:32:17,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:32:17 WrapperNode [2020-12-02 15:32:17,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 15:32:17,179 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 15:32:17,179 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 15:32:17,180 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 15:32:17,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:32:17" (1/1) ... [2020-12-02 15:32:17,216 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:32:17" (1/1) ... [2020-12-02 15:32:17,273 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 15:32:17,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 15:32:17,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 15:32:17,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 15:32:17,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:32:17" (1/1) ... [2020-12-02 15:32:17,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:32:17" (1/1) ... [2020-12-02 15:32:17,304 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:32:17" (1/1) ... [2020-12-02 15:32:17,304 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:32:17" (1/1) ... [2020-12-02 15:32:17,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:32:17" (1/1) ... [2020-12-02 15:32:17,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:32:17" (1/1) ... [2020-12-02 15:32:17,343 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:32:17" (1/1) ... [2020-12-02 15:32:17,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 15:32:17,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 15:32:17,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 15:32:17,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 15:32:17,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:32:17" (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 [2020-12-02 15:32:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-02 15:32:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 15:32:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-02 15:32:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-02 15:32:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-02 15:32:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 15:32:17,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 15:32:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-02 15:32:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 15:32:18,074 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 15:32:18,074 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-12-02 15:32:18,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:32:18 BoogieIcfgContainer [2020-12-02 15:32:18,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 15:32:18,078 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 15:32:18,078 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 15:32:18,082 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 15:32:18,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:32:16" (1/3) ... [2020-12-02 15:32:18,084 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27168518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:32:18, skipping insertion in model container [2020-12-02 15:32:18,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:32:17" (2/3) ... [2020-12-02 15:32:18,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27168518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:32:18, skipping insertion in model container [2020-12-02 15:32:18,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:32:18" (3/3) ... [2020-12-02 15:32:18,087 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1052d.c [2020-12-02 15:32:18,115 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 15:32:18,120 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 15:32:18,136 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 15:32:18,168 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 15:32:18,168 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 15:32:18,168 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 15:32:18,169 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 15:32:18,169 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 15:32:18,169 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 15:32:18,169 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 15:32:18,169 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 15:32:18,187 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2020-12-02 15:32:18,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-02 15:32:18,194 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:32:18,194 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:32:18,195 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:32:18,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:32:18,202 INFO L82 PathProgramCache]: Analyzing trace with hash -1930029915, now seen corresponding path program 1 times [2020-12-02 15:32:18,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 15:32:18,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12635885] [2020-12-02 15:32:18,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 15:32:18,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:32:18,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:32:18,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12635885] [2020-12-02 15:32:18,394 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:32:18,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-02 15:32:18,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557970483] [2020-12-02 15:32:18,404 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 15:32:18,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 15:32:18,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 15:32:18,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:32:18,430 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 2 states. [2020-12-02 15:32:18,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:32:18,464 INFO L93 Difference]: Finished difference Result 74 states and 118 transitions. [2020-12-02 15:32:18,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 15:32:18,466 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-02 15:32:18,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:32:18,492 INFO L225 Difference]: With dead ends: 74 [2020-12-02 15:32:18,492 INFO L226 Difference]: Without dead ends: 35 [2020-12-02 15:32:18,498 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 [2020-12-02 15:32:18,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-12-02 15:32:18,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-12-02 15:32:18,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-12-02 15:32:18,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 50 transitions. [2020-12-02 15:32:18,557 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 50 transitions. Word has length 11 [2020-12-02 15:32:18,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:32:18,558 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 50 transitions. [2020-12-02 15:32:18,558 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 15:32:18,559 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2020-12-02 15:32:18,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-02 15:32:18,560 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:32:18,560 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:32:18,560 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-02 15:32:18,561 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:32:18,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:32:18,562 INFO L82 PathProgramCache]: Analyzing trace with hash -1310108990, now seen corresponding path program 1 times [2020-12-02 15:32:18,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 15:32:18,563 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362369569] [2020-12-02 15:32:18,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 15:32:18,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 15:32:18,616 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 15:32:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 15:32:18,652 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 15:32:18,682 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-02 15:32:18,682 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-02 15:32:18,684 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-02 15:32:18,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:32:18 BoogieIcfgContainer [2020-12-02 15:32:18,724 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 15:32:18,725 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 15:32:18,725 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 15:32:18,725 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 15:32:18,726 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:32:18" (3/4) ... [2020-12-02 15:32:18,731 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-02 15:32:18,731 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 15:32:18,734 INFO L168 Benchmark]: Toolchain (without parser) took 1899.06 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 21.2 MB in the beginning and 29.9 MB in the end (delta: -8.7 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. [2020-12-02 15:32:18,735 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 35.7 MB. Free memory was 18.0 MB in the beginning and 18.0 MB in the end (delta: 55.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:32:18,737 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.42 ms. Allocated memory is still 44.0 MB. Free memory was 30.2 MB in the beginning and 19.2 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-02 15:32:18,738 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.94 ms. Allocated memory is still 44.0 MB. Free memory was 19.2 MB in the beginning and 29.2 MB in the end (delta: -10.0 MB). Peak memory consumption was 2.9 MB. Max. memory is 16.1 GB. [2020-12-02 15:32:18,739 INFO L168 Benchmark]: Boogie Preprocessor took 72.18 ms. Allocated memory is still 44.0 MB. Free memory was 29.2 MB in the beginning and 27.6 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:32:18,740 INFO L168 Benchmark]: RCFGBuilder took 729.47 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 27.5 MB in the beginning and 25.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. [2020-12-02 15:32:18,741 INFO L168 Benchmark]: TraceAbstraction took 645.78 ms. Allocated memory is still 54.5 MB. Free memory was 24.7 MB in the beginning and 30.1 MB in the end (delta: -5.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:32:18,742 INFO L168 Benchmark]: Witness Printer took 6.61 ms. Allocated memory is still 54.5 MB. Free memory was 30.1 MB in the beginning and 29.9 MB in the end (delta: 264.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:32:18,746 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 35.7 MB. Free memory was 18.0 MB in the beginning and 18.0 MB in the end (delta: 55.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 329.42 ms. Allocated memory is still 44.0 MB. Free memory was 30.2 MB in the beginning and 19.2 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 93.94 ms. Allocated memory is still 44.0 MB. Free memory was 19.2 MB in the beginning and 29.2 MB in the end (delta: -10.0 MB). Peak memory consumption was 2.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 72.18 ms. Allocated memory is still 44.0 MB. Free memory was 29.2 MB in the beginning and 27.6 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 729.47 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 27.5 MB in the beginning and 25.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 645.78 ms. Allocated memory is still 54.5 MB. Free memory was 24.7 MB in the beginning and 30.1 MB in the end (delta: -5.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 6.61 ms. Allocated memory is still 54.5 MB. Free memory was 30.1 MB in the beginning and 29.9 MB in the end (delta: 264.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 105]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of shiftRight at line 39, overapproximation of bitwiseOr at line 40, overapproximation of bitwiseAnd at line 27, overapproximation of someBinaryDOUBLE_SMTComparisonOperation 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) [L105] reach_error() VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, 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=38occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, 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 0.2.0-2880296 [2020-12-02 15:32:21,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:32:21,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:32:21,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:32:21,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:32:21,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:32:21,731 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:32:21,739 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:32:21,746 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:32:21,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:32:21,754 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:32:21,755 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:32:21,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:32:21,760 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:32:21,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:32:21,764 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:32:21,765 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:32:21,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:32:21,773 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:32:21,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:32:21,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:32:21,786 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:32:21,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:32:21,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:32:21,800 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:32:21,800 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:32:21,801 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:32:21,803 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:32:21,804 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:32:21,805 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:32:21,805 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:32:21,806 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:32:21,808 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:32:21,809 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:32:21,811 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:32:21,811 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:32:21,812 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:32:21,812 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:32:21,812 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:32:21,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:32:21,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:32:21,817 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 15:32:21,884 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:32:21,884 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:32:21,888 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:32:21,889 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:32:21,889 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:32:21,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:32:21,890 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:32:21,890 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:32:21,890 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:32:21,891 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:32:21,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:32:21,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:32:21,895 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 15:32:21,895 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 15:32:21,895 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:32:21,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:32:21,895 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:32:21,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:32:21,896 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:32:21,896 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:32:21,896 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:32:21,896 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:32:21,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:32:21,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:32:21,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:32:21,898 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:32:21,899 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 15:32:21,899 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 15:32:21,899 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:32:21,899 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:32:21,900 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 15:32:21,900 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d3da3677db9bcac0085ed27f307e82ca02a6621 [2020-12-02 15:32:22,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:32:22,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:32:22,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:32:22,384 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:32:22,385 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:32:22,387 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1052d.c [2020-12-02 15:32:22,511 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10e721689/8ef16160a0fd4d5bbadc37cd69c45b7b/FLAGbe3ecf495 [2020-12-02 15:32:23,201 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:32:23,202 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1052d.c [2020-12-02 15:32:23,214 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10e721689/8ef16160a0fd4d5bbadc37cd69c45b7b/FLAGbe3ecf495 [2020-12-02 15:32:23,518 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10e721689/8ef16160a0fd4d5bbadc37cd69c45b7b [2020-12-02 15:32:23,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:32:23,524 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:32:23,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:32:23,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:32:23,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:32:23,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:32:23" (1/1) ... [2020-12-02 15:32:23,542 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@adf3452 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:32:23, skipping insertion in model container [2020-12-02 15:32:23,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:32:23" (1/1) ... [2020-12-02 15:32:23,551 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:32:23,583 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:32:23,810 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1052d.c[2259,2272] [2020-12-02 15:32:23,814 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:32:23,835 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 15:32:23,882 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1052d.c[2259,2272] [2020-12-02 15:32:23,883 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:32:23,913 INFO L217 MainTranslator]: Completed translation [2020-12-02 15:32:23,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:32:23 WrapperNode [2020-12-02 15:32:23,914 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 15:32:23,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 15:32:23,916 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 15:32:23,916 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 15:32:23,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:32:23" (1/1) ... [2020-12-02 15:32:23,942 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:32:23" (1/1) ... [2020-12-02 15:32:23,974 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 15:32:23,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 15:32:23,975 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 15:32:23,975 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 15:32:23,987 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:32:23" (1/1) ... [2020-12-02 15:32:23,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:32:23" (1/1) ... [2020-12-02 15:32:23,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:32:23" (1/1) ... [2020-12-02 15:32:23,992 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:32:23" (1/1) ... [2020-12-02 15:32:24,004 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:32:23" (1/1) ... [2020-12-02 15:32:24,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:32:23" (1/1) ... [2020-12-02 15:32:24,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:32:23" (1/1) ... [2020-12-02 15:32:24,019 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 15:32:24,020 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 15:32:24,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 15:32:24,021 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 15:32:24,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:32:23" (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 [2020-12-02 15:32:24,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-12-02 15:32:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-02 15:32:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-02 15:32:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 15:32:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 15:32:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-02 15:32:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 15:32:24,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 15:32:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-02 15:32:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 15:32:25,750 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 15:32:25,750 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-12-02 15:32:25,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:32:25 BoogieIcfgContainer [2020-12-02 15:32:25,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 15:32:25,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 15:32:25,754 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 15:32:25,758 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 15:32:25,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:32:23" (1/3) ... [2020-12-02 15:32:25,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f446c0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:32:25, skipping insertion in model container [2020-12-02 15:32:25,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:32:23" (2/3) ... [2020-12-02 15:32:25,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f446c0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:32:25, skipping insertion in model container [2020-12-02 15:32:25,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:32:25" (3/3) ... [2020-12-02 15:32:25,763 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1052d.c [2020-12-02 15:32:25,780 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 15:32:25,785 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 15:32:25,804 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 15:32:25,835 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 15:32:25,835 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 15:32:25,835 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 15:32:25,835 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 15:32:25,836 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 15:32:25,836 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 15:32:25,836 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 15:32:25,836 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 15:32:25,853 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2020-12-02 15:32:25,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-02 15:32:25,860 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:32:25,861 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:32:25,861 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:32:25,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:32:25,869 INFO L82 PathProgramCache]: Analyzing trace with hash -1930029915, now seen corresponding path program 1 times [2020-12-02 15:32:25,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:32:25,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1976150151] [2020-12-02 15:32:25,884 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 [2020-12-02 15:32:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:32:26,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-02 15:32:26,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:32:26,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:32:26,047 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:32:26,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:32:26,069 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1976150151] [2020-12-02 15:32:26,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:32:26,071 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-02 15:32:26,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245410165] [2020-12-02 15:32:26,078 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 15:32:26,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:32:26,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 15:32:26,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:32:26,100 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 2 states. [2020-12-02 15:32:26,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:32:26,125 INFO L93 Difference]: Finished difference Result 74 states and 118 transitions. [2020-12-02 15:32:26,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 15:32:26,127 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-02 15:32:26,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:32:26,139 INFO L225 Difference]: With dead ends: 74 [2020-12-02 15:32:26,139 INFO L226 Difference]: Without dead ends: 35 [2020-12-02 15:32:26,143 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 [2020-12-02 15:32:26,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-12-02 15:32:26,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-12-02 15:32:26,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-12-02 15:32:26,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 50 transitions. [2020-12-02 15:32:26,188 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 50 transitions. Word has length 11 [2020-12-02 15:32:26,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:32:26,189 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 50 transitions. [2020-12-02 15:32:26,189 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 15:32:26,189 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2020-12-02 15:32:26,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-02 15:32:26,190 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:32:26,190 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:32:26,405 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 15:32:26,406 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:32:26,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:32:26,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1310108990, now seen corresponding path program 1 times [2020-12-02 15:32:26,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:32:26,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1155947658] [2020-12-02 15:32:26,410 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 [2020-12-02 15:32:26,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:32:26,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-02 15:32:26,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:32:26,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:32:26,688 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:32:26,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:32:26,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1155947658] [2020-12-02 15:32:26,790 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:32:26,790 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-12-02 15:32:26,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726541630] [2020-12-02 15:32:26,792 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-02 15:32:26,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:32:26,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-02 15:32:26,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-02 15:32:26,795 INFO L87 Difference]: Start difference. First operand 35 states and 50 transitions. Second operand 8 states. [2020-12-02 15:32:27,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:32:27,424 INFO L93 Difference]: Finished difference Result 47 states and 62 transitions. [2020-12-02 15:32:27,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-02 15:32:27,428 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2020-12-02 15:32:27,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:32:27,429 INFO L225 Difference]: With dead ends: 47 [2020-12-02 15:32:27,429 INFO L226 Difference]: Without dead ends: 21 [2020-12-02 15:32:27,431 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 [2020-12-02 15:32:27,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-12-02 15:32:27,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-12-02 15:32:27,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-12-02 15:32:27,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2020-12-02 15:32:27,443 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 12 [2020-12-02 15:32:27,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:32:27,444 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2020-12-02 15:32:27,444 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-02 15:32:27,444 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2020-12-02 15:32:27,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-02 15:32:27,447 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:32:27,447 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:32:27,660 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-02 15:32:27,666 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:32:27,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:32:27,667 INFO L82 PathProgramCache]: Analyzing trace with hash -649381144, now seen corresponding path program 1 times [2020-12-02 15:32:27,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:32:27,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1484652179] [2020-12-02 15:32:27,671 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 [2020-12-02 15:32:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:32:27,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-02 15:32:27,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:32:28,643 WARN L197 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-12-02 15:32:28,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:32:28,673 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:32:31,675 WARN L197 SmtUtils]: Spent 909.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-12-02 15:32:36,294 WARN L197 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-12-02 15:32:36,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:32:36,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1484652179] [2020-12-02 15:32:36,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:32:36,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-12-02 15:32:36,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297312448] [2020-12-02 15:32:36,305 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-02 15:32:36,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:32:36,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-02 15:32:36,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=37, Unknown=1, NotChecked=0, Total=56 [2020-12-02 15:32:36,309 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 8 states. [2020-12-02 15:32:37,467 WARN L197 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2020-12-02 15:32:38,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:32:38,478 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2020-12-02 15:32:38,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-02 15:32:38,493 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 15 [2020-12-02 15:32:38,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:32:38,494 INFO L225 Difference]: With dead ends: 33 [2020-12-02 15:32:38,494 INFO L226 Difference]: Without dead ends: 21 [2020-12-02 15:32:38,495 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=26, Invalid=45, Unknown=1, NotChecked=0, Total=72 [2020-12-02 15:32:38,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-12-02 15:32:38,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-12-02 15:32:38,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-12-02 15:32:38,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2020-12-02 15:32:38,500 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 15 [2020-12-02 15:32:38,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:32:38,500 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2020-12-02 15:32:38,501 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-02 15:32:38,501 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2020-12-02 15:32:38,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-02 15:32:38,501 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:32:38,501 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:32:38,713 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-02 15:32:38,714 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:32:38,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:32:38,715 INFO L82 PathProgramCache]: Analyzing trace with hash -1381924140, now seen corresponding path program 1 times [2020-12-02 15:32:38,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:32:38,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [113716859] [2020-12-02 15:32:38,717 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 [2020-12-02 15:32:38,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:32:38,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-02 15:32:38,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:32:38,940 INFO L382 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 15 treesize of output 13 [2020-12-02 15:32:38,947 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-02 15:32:38,951 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:32:38,957 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-02 15:32:38,960 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:32:38,961 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-02 15:32:38,961 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:5 [2020-12-02 15:32:39,003 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:32:39,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:32:39,031 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:32:39,179 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 45 [2020-12-02 15:32:39,189 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-02 15:32:39,195 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:32:39,196 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-02 15:32:39,214 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:32:39,216 INFO L547 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. [2020-12-02 15:32:39,216 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:62, output treesize:32 [2020-12-02 15:32:39,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:32:39,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [113716859] [2020-12-02 15:32:39,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:32:39,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2020-12-02 15:32:39,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991165919] [2020-12-02 15:32:39,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-02 15:32:39,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:32:39,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-02 15:32:39,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-02 15:32:39,280 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 9 states. [2020-12-02 15:32:39,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:32:39,706 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2020-12-02 15:32:39,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-02 15:32:39,708 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 16 [2020-12-02 15:32:39,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:32:39,709 INFO L225 Difference]: With dead ends: 24 [2020-12-02 15:32:39,709 INFO L226 Difference]: Without dead ends: 21 [2020-12-02 15:32:39,712 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-12-02 15:32:39,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-12-02 15:32:39,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-12-02 15:32:39,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-12-02 15:32:39,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions. [2020-12-02 15:32:39,718 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 16 [2020-12-02 15:32:39,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:32:39,718 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions. [2020-12-02 15:32:39,719 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-02 15:32:39,719 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2020-12-02 15:32:39,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-02 15:32:39,719 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:32:39,720 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] [2020-12-02 15:32:39,934 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-02 15:32:39,934 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:32:39,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:32:39,935 INFO L82 PathProgramCache]: Analyzing trace with hash -2014843095, now seen corresponding path program 1 times [2020-12-02 15:32:39,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:32:39,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [389290924] [2020-12-02 15:32:39,935 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 [2020-12-02 15:32:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:32:40,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 12 conjunts are in the unsatisfiable core [2020-12-02 15:32:40,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:32:40,160 INFO L382 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 15 treesize of output 13 [2020-12-02 15:32:40,165 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-02 15:32:40,171 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:32:40,172 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-02 15:32:40,177 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:32:40,179 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-02 15:32:40,179 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:5 [2020-12-02 15:32:40,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:32:40,400 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:32:40,626 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2020-12-02 15:32:40,639 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-02 15:32:40,645 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:32:40,646 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-02 15:32:40,650 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:32:40,651 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-02 15:32:40,651 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:18, output treesize:8 [2020-12-02 15:32:40,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:32:40,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [389290924] [2020-12-02 15:32:40,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:32:40,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 16 [2020-12-02 15:32:40,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065591926] [2020-12-02 15:32:40,707 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-12-02 15:32:40,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:32:40,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-12-02 15:32:40,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2020-12-02 15:32:40,708 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand 16 states. [2020-12-02 15:32:41,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:32:41,473 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2020-12-02 15:32:41,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-02 15:32:41,477 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 20 [2020-12-02 15:32:41,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:32:41,477 INFO L225 Difference]: With dead ends: 21 [2020-12-02 15:32:41,478 INFO L226 Difference]: Without dead ends: 0 [2020-12-02 15:32:41,478 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=130, Invalid=376, Unknown=0, NotChecked=0, Total=506 [2020-12-02 15:32:41,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-02 15:32:41,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-02 15:32:41,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-02 15:32:41,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-02 15:32:41,479 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2020-12-02 15:32:41,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:32:41,479 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-02 15:32:41,479 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-12-02 15:32:41,480 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-02 15:32:41,480 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-02 15:32:41,680 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-02 15:32:41,684 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-02 15:32:41,998 WARN L197 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-12-02 15:32:42,193 WARN L197 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 44 [2020-12-02 15:32:42,390 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2020-12-02 15:32:42,392 INFO L262 CegarLoopResult]: For program point L60(lines 60 67) no Hoare annotation was computed. [2020-12-02 15:32:42,393 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-02 15:32:42,393 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-02 15:32:42,393 INFO L262 CegarLoopResult]: For program point L28(lines 28 71) no Hoare annotation was computed. [2020-12-02 15:32:42,394 INFO L258 CegarLoopResult]: At program point L78(lines 18 79) the Hoare annotation is: (let ((.cse0 (concat (_ bv0 32) (_ bv0 32)))) (and (= ULTIMATE.start_floor_double_~i0~0 ULTIMATE.start_floor_double_~i1~0) (= roundNearestTiesToEven ~CRM) (= ((_ to_fp 11 53) ~CRM 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) (fp ((_ extract 63 63) ~huge_floor~0) ((_ extract 62 52) ~huge_floor~0) ((_ extract 51 0) ~huge_floor~0))) (= .cse0 ULTIMATE.start_floor_double_~x) (exists ((ULTIMATE.start_floor_double_~x (_ BitVec 64))) (and (= (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) ULTIMATE.start_floor_double_~x) (_ bv20 32))) (bvadd ULTIMATE.start_floor_double_~j0~0 (_ bv1023 32))) (= (_ +zero 11 53) (fp ((_ extract 63 63) ULTIMATE.start_floor_double_~x) ((_ extract 62 52) ULTIMATE.start_floor_double_~x) ((_ extract 51 0) ULTIMATE.start_floor_double_~x))))) (= ULTIMATE.start_floor_double_~i1~0 (_ bv0 32)) (= |ULTIMATE.start_floor_double_#res| .cse0))) [2020-12-02 15:32:42,394 INFO L262 CegarLoopResult]: For program point L29(lines 29 48) no Hoare annotation was computed. [2020-12-02 15:32:42,394 INFO L262 CegarLoopResult]: For program point L21-1(lines 21 26) no Hoare annotation was computed. [2020-12-02 15:32:42,395 INFO L258 CegarLoopResult]: At program point L21-2(lines 21 26) the Hoare annotation is: (and (= roundNearestTiesToEven ~CRM) (= ((_ to_fp 11 53) ~CRM 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) (fp ((_ extract 63 63) ~huge_floor~0) ((_ extract 62 52) ~huge_floor~0) ((_ extract 51 0) ~huge_floor~0))) (= (_ +zero 11 53) (fp ((_ extract 63 63) ULTIMATE.start_floor_double_~x) ((_ extract 62 52) ULTIMATE.start_floor_double_~x) ((_ extract 51 0) ULTIMATE.start_floor_double_~x)))) [2020-12-02 15:32:42,395 INFO L262 CegarLoopResult]: For program point L21-3(lines 21 26) no Hoare annotation was computed. [2020-12-02 15:32:42,395 INFO L262 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-12-02 15:32:42,395 INFO L262 CegarLoopResult]: For program point L104-2(lines 104 107) no Hoare annotation was computed. [2020-12-02 15:32:42,395 INFO L262 CegarLoopResult]: For program point L30(lines 30 37) no Hoare annotation was computed. [2020-12-02 15:32:42,395 INFO L262 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-12-02 15:32:42,395 INFO L262 CegarLoopResult]: For program point L72(lines 72 77) no Hoare annotation was computed. [2020-12-02 15:32:42,395 INFO L262 CegarLoopResult]: For program point L72-1(lines 18 79) no Hoare annotation was computed. [2020-12-02 15:32:42,395 INFO L262 CegarLoopResult]: For program point L72-2(lines 72 77) no Hoare annotation was computed. [2020-12-02 15:32:42,395 INFO L262 CegarLoopResult]: For program point L64(lines 64 65) no Hoare annotation was computed. [2020-12-02 15:32:42,396 INFO L262 CegarLoopResult]: For program point L31(lines 31 36) no Hoare annotation was computed. [2020-12-02 15:32:42,396 INFO L262 CegarLoopResult]: For program point L64-2(lines 64 65) no Hoare annotation was computed. [2020-12-02 15:32:42,396 INFO L262 CegarLoopResult]: For program point L56(lines 56 57) no Hoare annotation was computed. [2020-12-02 15:32:42,396 INFO L262 CegarLoopResult]: For program point L40(lines 40 41) no Hoare annotation was computed. [2020-12-02 15:32:42,396 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-02 15:32:42,396 INFO L258 CegarLoopResult]: At program point L90(lines 81 91) the Hoare annotation is: (let ((.cse0 (concat (_ bv0 32) (_ bv0 32)))) (and |ULTIMATE.start_main_#t~short27| (= ULTIMATE.start_floor_double_~i0~0 ULTIMATE.start_floor_double_~i1~0) (= roundNearestTiesToEven ~CRM) (= ((_ to_fp 11 53) ~CRM 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) (fp ((_ extract 63 63) ~huge_floor~0) ((_ extract 62 52) ~huge_floor~0) ((_ extract 51 0) ~huge_floor~0))) (= .cse0 ULTIMATE.start_floor_double_~x) (= ULTIMATE.start_main_~res~0 .cse0) (exists ((ULTIMATE.start_floor_double_~x (_ BitVec 64))) (and (= (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) ULTIMATE.start_floor_double_~x) (_ bv20 32))) (bvadd ULTIMATE.start_floor_double_~j0~0 (_ bv1023 32))) (= (_ +zero 11 53) (fp ((_ extract 63 63) ULTIMATE.start_floor_double_~x) ((_ extract 62 52) ULTIMATE.start_floor_double_~x) ((_ extract 51 0) ULTIMATE.start_floor_double_~x))))) (= ULTIMATE.start_floor_double_~i1~0 (_ bv0 32)) (= |ULTIMATE.start___signbit_double_#res| (_ bv0 32)) (= ULTIMATE.start___signbit_double_~msw~0 ((_ extract 63 32) .cse0)) (= |ULTIMATE.start_floor_double_#res| .cse0) (= ULTIMATE.start___signbit_double_~x .cse0))) [2020-12-02 15:32:42,396 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 105) no Hoare annotation was computed. [2020-12-02 15:32:42,397 INFO L262 CegarLoopResult]: For program point L49(lines 49 71) no Hoare annotation was computed. [2020-12-02 15:32:42,397 INFO L262 CegarLoopResult]: For program point L33(lines 33 36) no Hoare annotation was computed. [2020-12-02 15:32:42,397 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-02 15:32:42,397 INFO L262 CegarLoopResult]: For program point L58(lines 58 70) no Hoare annotation was computed. [2020-12-02 15:32:42,398 INFO L262 CegarLoopResult]: For program point L50(lines 50 53) no Hoare annotation was computed. [2020-12-02 15:32:42,398 INFO L262 CegarLoopResult]: For program point L42(lines 42 47) no Hoare annotation was computed. [2020-12-02 15:32:42,398 INFO L262 CegarLoopResult]: For program point L59(lines 59 68) no Hoare annotation was computed. [2020-12-02 15:32:42,398 INFO L262 CegarLoopResult]: For program point L59-1(lines 59 68) no Hoare annotation was computed. [2020-12-02 15:32:42,398 INFO L262 CegarLoopResult]: For program point L84-1(lines 84 88) no Hoare annotation was computed. [2020-12-02 15:32:42,399 INFO L258 CegarLoopResult]: At program point L84-2(lines 84 88) the Hoare annotation is: (let ((.cse0 (concat (_ bv0 32) (_ bv0 32)))) (and |ULTIMATE.start_main_#t~short27| (= ULTIMATE.start_floor_double_~i0~0 ULTIMATE.start_floor_double_~i1~0) (= roundNearestTiesToEven ~CRM) (= ((_ to_fp 11 53) ~CRM 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) (fp ((_ extract 63 63) ~huge_floor~0) ((_ extract 62 52) ~huge_floor~0) ((_ extract 51 0) ~huge_floor~0))) (= .cse0 ULTIMATE.start_floor_double_~x) (= ULTIMATE.start_main_~res~0 .cse0) (exists ((ULTIMATE.start_floor_double_~x (_ BitVec 64))) (and (= (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) ULTIMATE.start_floor_double_~x) (_ bv20 32))) (bvadd ULTIMATE.start_floor_double_~j0~0 (_ bv1023 32))) (= (_ +zero 11 53) (fp ((_ extract 63 63) ULTIMATE.start_floor_double_~x) ((_ extract 62 52) ULTIMATE.start_floor_double_~x) ((_ extract 51 0) ULTIMATE.start_floor_double_~x))))) (= ULTIMATE.start_floor_double_~i1~0 (_ bv0 32)) (= |ULTIMATE.start_floor_double_#res| .cse0) (= ULTIMATE.start___signbit_double_~x .cse0))) [2020-12-02 15:32:42,399 INFO L262 CegarLoopResult]: For program point L84-3(lines 84 88) no Hoare annotation was computed. [2020-12-02 15:32:42,399 INFO L265 CegarLoopResult]: At program point L109(lines 93 110) the Hoare annotation is: true [2020-12-02 15:32:42,399 INFO L262 CegarLoopResult]: For program point L43(lines 43 44) no Hoare annotation was computed. [2020-12-02 15:32:42,399 INFO L262 CegarLoopResult]: For program point L43-2(lines 43 44) no Hoare annotation was computed. [2020-12-02 15:32:42,408 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.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:796) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:283) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:240) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) 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) [2020-12-02 15:32:42,415 INFO L168 Benchmark]: Toolchain (without parser) took 18889.51 ms. Allocated memory was 41.9 MB in the beginning and 62.9 MB in the end (delta: 21.0 MB). Free memory was 21.4 MB in the beginning and 28.7 MB in the end (delta: -7.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 16.1 GB. [2020-12-02 15:32:42,415 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 41.9 MB. Free memory is still 26.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:32:42,418 INFO L168 Benchmark]: CACSL2BoogieTranslator took 385.06 ms. Allocated memory was 41.9 MB in the beginning and 52.4 MB in the end (delta: 10.5 MB). Free memory was 21.1 MB in the beginning and 36.7 MB in the end (delta: -15.6 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. [2020-12-02 15:32:42,419 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.13 ms. Allocated memory is still 52.4 MB. Free memory was 36.7 MB in the beginning and 34.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:32:42,420 INFO L168 Benchmark]: Boogie Preprocessor took 44.84 ms. Allocated memory is still 52.4 MB. Free memory was 34.6 MB in the beginning and 32.8 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:32:42,425 INFO L168 Benchmark]: RCFGBuilder took 1731.89 ms. Allocated memory is still 52.4 MB. Free memory was 32.8 MB in the beginning and 23.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2020-12-02 15:32:42,432 INFO L168 Benchmark]: TraceAbstraction took 16658.72 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 22.8 MB in the beginning and 28.7 MB in the end (delta: -5.8 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:32:42,439 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 41.9 MB. Free memory is still 26.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 385.06 ms. Allocated memory was 41.9 MB in the beginning and 52.4 MB in the end (delta: 10.5 MB). Free memory was 21.1 MB in the beginning and 36.7 MB in the end (delta: -15.6 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 58.13 ms. Allocated memory is still 52.4 MB. Free memory was 36.7 MB in the beginning and 34.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.84 ms. Allocated memory is still 52.4 MB. Free memory was 34.6 MB in the beginning and 32.8 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1731.89 ms. Allocated memory is still 52.4 MB. Free memory was 32.8 MB in the beginning and 23.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 16658.72 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 22.8 MB in the beginning and 28.7 MB in the end (delta: -5.8 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 105]: call to reach_error is unreachable For all program executions holds that call to reach_error is 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...