./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1092b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3e5ce664 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_1092b.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 716c28290dbb6f2a00a15a2121f6ea544c27813b ..................................................................................................................................................................................................................................................................................................... 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_1092b.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 716c28290dbb6f2a00a15a2121f6ea544c27813b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.2.0-3e5ce66 [2020-12-02 21:37:03,976 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 21:37:03,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 21:37:04,049 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 21:37:04,050 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 21:37:04,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 21:37:04,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 21:37:04,072 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 21:37:04,077 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 21:37:04,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 21:37:04,087 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 21:37:04,092 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 21:37:04,093 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 21:37:04,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 21:37:04,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 21:37:04,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 21:37:04,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 21:37:04,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 21:37:04,113 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 21:37:04,122 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 21:37:04,125 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 21:37:04,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 21:37:04,130 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 21:37:04,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 21:37:04,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 21:37:04,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 21:37:04,145 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 21:37:04,148 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 21:37:04,149 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 21:37:04,150 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 21:37:04,151 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 21:37:04,152 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 21:37:04,155 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 21:37:04,156 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 21:37:04,158 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 21:37:04,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 21:37:04,159 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 21:37:04,160 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 21:37:04,160 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 21:37:04,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 21:37:04,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 21:37:04,165 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 21:37:04,227 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 21:37:04,227 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 21:37:04,231 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 21:37:04,231 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 21:37:04,232 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 21:37:04,232 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 21:37:04,232 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 21:37:04,232 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 21:37:04,232 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 21:37:04,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 21:37:04,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 21:37:04,235 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 21:37:04,235 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 21:37:04,235 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 21:37:04,235 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 21:37:04,235 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 21:37:04,236 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 21:37:04,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 21:37:04,236 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 21:37:04,236 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 21:37:04,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 21:37:04,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 21:37:04,237 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 21:37:04,237 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 21:37:04,238 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 21:37:04,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 21:37:04,238 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 21:37:04,238 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 21:37:04,238 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 716c28290dbb6f2a00a15a2121f6ea544c27813b [2020-12-02 21:37:04,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 21:37:04,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 21:37:04,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 21:37:04,843 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 21:37:04,844 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 21:37:04,846 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1092b.c [2020-12-02 21:37:04,950 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97dcc488e/1487f9301f5745f99709ce94e7bc68ee/FLAG844057205 [2020-12-02 21:37:05,569 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 21:37:05,570 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1092b.c [2020-12-02 21:37:05,582 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97dcc488e/1487f9301f5745f99709ce94e7bc68ee/FLAG844057205 [2020-12-02 21:37:05,939 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97dcc488e/1487f9301f5745f99709ce94e7bc68ee [2020-12-02 21:37:05,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 21:37:05,946 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 21:37:05,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 21:37:05,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 21:37:05,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 21:37:05,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:37:05" (1/1) ... [2020-12-02 21:37:05,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@616b6928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:05, skipping insertion in model container [2020-12-02 21:37:05,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:37:05" (1/1) ... [2020-12-02 21:37:06,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 21:37:06,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-02 21:37:06,288 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_1092b.c[2109,2122] [2020-12-02 21:37:06,292 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-02 21:37:06,302 INFO L203 MainTranslator]: Completed pre-run [2020-12-02 21:37:06,336 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_1092b.c[2109,2122] [2020-12-02 21:37:06,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-02 21:37:06,355 INFO L208 MainTranslator]: Completed translation [2020-12-02 21:37:06,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:06 WrapperNode [2020-12-02 21:37:06,356 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 21:37:06,360 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 21:37:06,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 21:37:06,360 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 21:37:06,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:06" (1/1) ... [2020-12-02 21:37:06,380 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:06" (1/1) ... [2020-12-02 21:37:06,405 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 21:37:06,406 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 21:37:06,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 21:37:06,407 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 21:37:06,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:06" (1/1) ... [2020-12-02 21:37:06,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:06" (1/1) ... [2020-12-02 21:37:06,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:06" (1/1) ... [2020-12-02 21:37:06,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:06" (1/1) ... [2020-12-02 21:37:06,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:06" (1/1) ... [2020-12-02 21:37:06,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:06" (1/1) ... [2020-12-02 21:37:06,436 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:06" (1/1) ... [2020-12-02 21:37:06,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 21:37:06,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 21:37:06,440 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 21:37:06,441 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 21:37:06,442 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:06" (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 21:37:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-02 21:37:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 21:37:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-02 21:37:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-02 21:37:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-02 21:37:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 21:37:06,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 21:37:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-02 21:37:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 21:37:06,932 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 21:37:06,933 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-12-02 21:37:06,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:37:06 BoogieIcfgContainer [2020-12-02 21:37:06,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 21:37:06,937 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 21:37:06,937 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 21:37:06,942 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 21:37:06,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 09:37:05" (1/3) ... [2020-12-02 21:37:06,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7db66e0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:37:06, skipping insertion in model container [2020-12-02 21:37:06,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:06" (2/3) ... [2020-12-02 21:37:06,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7db66e0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:37:06, skipping insertion in model container [2020-12-02 21:37:06,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:37:06" (3/3) ... [2020-12-02 21:37:06,953 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092b.c [2020-12-02 21:37:07,004 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 21:37:07,014 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 21:37:07,045 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 21:37:07,103 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 21:37:07,104 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 21:37:07,104 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 21:37:07,104 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 21:37:07,104 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 21:37:07,105 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 21:37:07,105 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 21:37:07,105 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 21:37:07,129 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-12-02 21:37:07,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-02 21:37:07,137 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 21:37:07,138 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 21:37:07,138 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 21:37:07,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 21:37:07,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1046119076, now seen corresponding path program 1 times [2020-12-02 21:37:07,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 21:37:07,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511145543] [2020-12-02 21:37:07,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 21:37:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 21:37:07,383 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 21:37:07,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511145543] [2020-12-02 21:37:07,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 21:37:07,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-02 21:37:07,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43288709] [2020-12-02 21:37:07,393 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 21:37:07,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 21:37:07,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 21:37:07,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 21:37:07,426 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2020-12-02 21:37:07,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 21:37:07,455 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2020-12-02 21:37:07,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 21:37:07,457 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-12-02 21:37:07,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 21:37:07,475 INFO L225 Difference]: With dead ends: 64 [2020-12-02 21:37:07,476 INFO L226 Difference]: Without dead ends: 30 [2020-12-02 21:37:07,481 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 21:37:07,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-12-02 21:37:07,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-12-02 21:37:07,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-12-02 21:37:07,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2020-12-02 21:37:07,535 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 10 [2020-12-02 21:37:07,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 21:37:07,536 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2020-12-02 21:37:07,536 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 21:37:07,536 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2020-12-02 21:37:07,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-02 21:37:07,538 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 21:37:07,538 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 21:37:07,539 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-02 21:37:07,539 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 21:37:07,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 21:37:07,542 INFO L82 PathProgramCache]: Analyzing trace with hash -1289188121, now seen corresponding path program 1 times [2020-12-02 21:37:07,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 21:37:07,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659819250] [2020-12-02 21:37:07,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 21:37:07,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 21:37:07,646 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 21:37:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 21:37:07,711 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 21:37:07,756 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-02 21:37:07,756 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-02 21:37:07,757 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-02 21:37:07,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 09:37:07 BoogieIcfgContainer [2020-12-02 21:37:07,790 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 21:37:07,791 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 21:37:07,791 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 21:37:07,792 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 21:37:07,792 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:37:06" (3/4) ... [2020-12-02 21:37:07,797 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-02 21:37:07,797 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 21:37:07,800 INFO L168 Benchmark]: Toolchain (without parser) took 1852.91 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 20.7 MB in the beginning and 25.4 MB in the end (delta: -4.8 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. [2020-12-02 21:37:07,801 INFO L168 Benchmark]: CDTParser took 0.55 ms. Allocated memory is still 44.0 MB. Free memory is still 22.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 21:37:07,802 INFO L168 Benchmark]: CACSL2BoogieTranslator took 406.22 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 20.5 MB in the beginning and 29.6 MB in the end (delta: -9.0 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. [2020-12-02 21:37:07,803 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.51 ms. Allocated memory is still 54.5 MB. Free memory was 29.4 MB in the beginning and 27.8 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 21:37:07,804 INFO L168 Benchmark]: Boogie Preprocessor took 33.25 ms. Allocated memory is still 54.5 MB. Free memory was 27.8 MB in the beginning and 26.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 21:37:07,805 INFO L168 Benchmark]: RCFGBuilder took 494.65 ms. Allocated memory is still 54.5 MB. Free memory was 26.3 MB in the beginning and 34.8 MB in the end (delta: -8.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. [2020-12-02 21:37:07,806 INFO L168 Benchmark]: TraceAbstraction took 853.63 ms. Allocated memory is still 54.5 MB. Free memory was 34.5 MB in the beginning and 25.9 MB in the end (delta: 8.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. [2020-12-02 21:37:07,807 INFO L168 Benchmark]: Witness Printer took 5.85 ms. Allocated memory is still 54.5 MB. Free memory was 25.9 MB in the beginning and 25.4 MB in the end (delta: 502.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 21:37:07,811 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55 ms. Allocated memory is still 44.0 MB. Free memory is still 22.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 406.22 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 20.5 MB in the beginning and 29.6 MB in the end (delta: -9.0 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.51 ms. Allocated memory is still 54.5 MB. Free memory was 29.4 MB in the beginning and 27.8 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.25 ms. Allocated memory is still 54.5 MB. Free memory was 27.8 MB in the beginning and 26.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 494.65 ms. Allocated memory is still 54.5 MB. Free memory was 26.3 MB in the beginning and 34.8 MB in the end (delta: -8.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 853.63 ms. Allocated memory is still 54.5 MB. Free memory was 34.5 MB in the beginning and 25.9 MB in the end (delta: 8.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. * Witness Printer took 5.85 ms. Allocated memory is still 54.5 MB. Free memory was 25.9 MB in the beginning and 25.4 MB in the end (delta: 502.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 98]: 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 43, overapproximation of bitwiseOr at line 44, overapproximation of bitwiseAnd at line 30, overapproximation of someBinaryDOUBLEComparisonOperation at line 97. Possible FailurePath: [L19] static const double huge_ceil = 1.0e300; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L93] double x = 0.0; [L22] __int32_t i0, i1, j0; [L23] __uint32_t i, j; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L25] ieee_double_shape_type ew_u; [L26] ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] (i0) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] (i1) = ew_u.parts.lsw [L30] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L31] COND TRUE j0 < 20 VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L32] COND FALSE !(j0 < 0) [L43] i = (0x000fffff) >> j0 VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L44] COND TRUE ((i0 & i) | i1) == 0 [L45] return x; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L94] double res = ceil_double(x); [L97] COND TRUE res != x VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L98] reach_error() VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 47 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=33occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 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 0.2.0-3e5ce66 [2020-12-02 21:37:10,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 21:37:10,497 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 21:37:10,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 21:37:10,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 21:37:10,547 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 21:37:10,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 21:37:10,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 21:37:10,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 21:37:10,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 21:37:10,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 21:37:10,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 21:37:10,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 21:37:10,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 21:37:10,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 21:37:10,563 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 21:37:10,565 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 21:37:10,566 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 21:37:10,568 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 21:37:10,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 21:37:10,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 21:37:10,574 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 21:37:10,576 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 21:37:10,577 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 21:37:10,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 21:37:10,581 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 21:37:10,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 21:37:10,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 21:37:10,584 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 21:37:10,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 21:37:10,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 21:37:10,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 21:37:10,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 21:37:10,589 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 21:37:10,590 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 21:37:10,590 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 21:37:10,591 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 21:37:10,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 21:37:10,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 21:37:10,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 21:37:10,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 21:37:10,596 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 21:37:10,628 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 21:37:10,628 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 21:37:10,630 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 21:37:10,630 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 21:37:10,630 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 21:37:10,630 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 21:37:10,631 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 21:37:10,631 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 21:37:10,631 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 21:37:10,631 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 21:37:10,632 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 21:37:10,632 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 21:37:10,632 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 21:37:10,632 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 21:37:10,633 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 21:37:10,633 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 21:37:10,633 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 21:37:10,633 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 21:37:10,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 21:37:10,634 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 21:37:10,634 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 21:37:10,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 21:37:10,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 21:37:10,635 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 21:37:10,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 21:37:10,635 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 21:37:10,636 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-02 21:37:10,636 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 21:37:10,636 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 21:37:10,636 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 21:37:10,637 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 716c28290dbb6f2a00a15a2121f6ea544c27813b [2020-12-02 21:37:11,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 21:37:11,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 21:37:11,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 21:37:11,164 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 21:37:11,169 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 21:37:11,171 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1092b.c [2020-12-02 21:37:11,259 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbc6ec5ca/970a59c735134723adb6f377527969db/FLAGe0d4e455f [2020-12-02 21:37:11,890 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 21:37:11,890 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1092b.c [2020-12-02 21:37:11,900 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbc6ec5ca/970a59c735134723adb6f377527969db/FLAGe0d4e455f [2020-12-02 21:37:12,206 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbc6ec5ca/970a59c735134723adb6f377527969db [2020-12-02 21:37:12,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 21:37:12,212 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 21:37:12,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 21:37:12,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 21:37:12,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 21:37:12,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:37:12" (1/1) ... [2020-12-02 21:37:12,223 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79eaba92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:12, skipping insertion in model container [2020-12-02 21:37:12,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:37:12" (1/1) ... [2020-12-02 21:37:12,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 21:37:12,252 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-02 21:37:12,445 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_1092b.c[2109,2122] [2020-12-02 21:37:12,449 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-02 21:37:12,463 INFO L203 MainTranslator]: Completed pre-run [2020-12-02 21:37:12,494 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_1092b.c[2109,2122] [2020-12-02 21:37:12,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-02 21:37:12,517 INFO L208 MainTranslator]: Completed translation [2020-12-02 21:37:12,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:12 WrapperNode [2020-12-02 21:37:12,518 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 21:37:12,519 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 21:37:12,519 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 21:37:12,520 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 21:37:12,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:12" (1/1) ... [2020-12-02 21:37:12,540 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:12" (1/1) ... [2020-12-02 21:37:12,567 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 21:37:12,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 21:37:12,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 21:37:12,568 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 21:37:12,578 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:12" (1/1) ... [2020-12-02 21:37:12,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:12" (1/1) ... [2020-12-02 21:37:12,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:12" (1/1) ... [2020-12-02 21:37:12,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:12" (1/1) ... [2020-12-02 21:37:12,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:12" (1/1) ... [2020-12-02 21:37:12,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:12" (1/1) ... [2020-12-02 21:37:12,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:12" (1/1) ... [2020-12-02 21:37:12,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 21:37:12,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 21:37:12,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 21:37:12,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 21:37:12,612 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:12" (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 21:37:12,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-02 21:37:12,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-02 21:37:12,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 21:37:12,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 21:37:12,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-02 21:37:12,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 21:37:12,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 21:37:12,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-02 21:37:12,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 21:37:14,681 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 21:37:14,681 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-12-02 21:37:14,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:37:14 BoogieIcfgContainer [2020-12-02 21:37:14,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 21:37:14,686 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 21:37:14,687 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 21:37:14,690 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 21:37:14,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 09:37:12" (1/3) ... [2020-12-02 21:37:14,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f751437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:37:14, skipping insertion in model container [2020-12-02 21:37:14,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:12" (2/3) ... [2020-12-02 21:37:14,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f751437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:37:14, skipping insertion in model container [2020-12-02 21:37:14,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:37:14" (3/3) ... [2020-12-02 21:37:14,695 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092b.c [2020-12-02 21:37:14,718 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 21:37:14,727 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 21:37:14,744 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 21:37:14,786 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 21:37:14,786 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 21:37:14,786 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 21:37:14,787 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 21:37:14,787 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 21:37:14,788 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 21:37:14,788 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 21:37:14,788 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 21:37:14,810 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-12-02 21:37:14,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-02 21:37:14,817 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 21:37:14,818 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 21:37:14,818 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 21:37:14,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 21:37:14,824 INFO L82 PathProgramCache]: Analyzing trace with hash 1046119076, now seen corresponding path program 1 times [2020-12-02 21:37:14,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 21:37:14,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [95292543] [2020-12-02 21:37:14,836 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 21:37:14,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 21:37:14,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-02 21:37:14,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 21:37:14,970 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 21:37:14,970 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 21:37:14,982 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 21:37:14,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [95292543] [2020-12-02 21:37:14,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 21:37:14,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-02 21:37:14,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863585719] [2020-12-02 21:37:14,991 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 21:37:14,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 21:37:15,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 21:37:15,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 21:37:15,010 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2020-12-02 21:37:15,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 21:37:15,041 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2020-12-02 21:37:15,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 21:37:15,044 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-12-02 21:37:15,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 21:37:15,059 INFO L225 Difference]: With dead ends: 64 [2020-12-02 21:37:15,059 INFO L226 Difference]: Without dead ends: 30 [2020-12-02 21:37:15,063 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 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 21:37:15,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-12-02 21:37:15,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-12-02 21:37:15,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-12-02 21:37:15,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2020-12-02 21:37:15,096 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 10 [2020-12-02 21:37:15,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 21:37:15,097 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2020-12-02 21:37:15,097 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 21:37:15,097 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2020-12-02 21:37:15,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-02 21:37:15,098 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 21:37:15,098 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 21:37:15,311 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 21:37:15,312 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 21:37:15,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 21:37:15,314 INFO L82 PathProgramCache]: Analyzing trace with hash -1289188121, now seen corresponding path program 1 times [2020-12-02 21:37:15,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 21:37:15,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [109222662] [2020-12-02 21:37:15,315 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 21:37:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 21:37:15,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-02 21:37:15,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 21:37:15,562 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 21:37:15,562 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 21:37:15,676 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 21:37:15,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [109222662] [2020-12-02 21:37:15,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 21:37:15,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-12-02 21:37:15,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010615837] [2020-12-02 21:37:15,678 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-02 21:37:15,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 21:37:15,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-02 21:37:15,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-02 21:37:15,680 INFO L87 Difference]: Start difference. First operand 30 states and 44 transitions. Second operand 8 states. [2020-12-02 21:37:16,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 21:37:16,783 INFO L93 Difference]: Finished difference Result 44 states and 56 transitions. [2020-12-02 21:37:16,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-02 21:37:16,784 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2020-12-02 21:37:16,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 21:37:16,785 INFO L225 Difference]: With dead ends: 44 [2020-12-02 21:37:16,785 INFO L226 Difference]: Without dead ends: 24 [2020-12-02 21:37:16,786 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-12-02 21:37:16,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-12-02 21:37:16,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 17. [2020-12-02 21:37:16,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-12-02 21:37:16,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2020-12-02 21:37:16,791 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 11 [2020-12-02 21:37:16,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 21:37:16,792 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2020-12-02 21:37:16,792 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-02 21:37:16,792 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2020-12-02 21:37:16,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-02 21:37:16,793 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 21:37:16,793 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 21:37:17,006 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-02 21:37:17,006 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 21:37:17,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 21:37:17,007 INFO L82 PathProgramCache]: Analyzing trace with hash -713684991, now seen corresponding path program 1 times [2020-12-02 21:37:17,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 21:37:17,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1615348585] [2020-12-02 21:37:17,010 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 21:37:17,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 21:37:17,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-02 21:37:17,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 21:37:17,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 21:37:17,252 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 21:37:18,499 WARN L197 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2020-12-02 21:37:19,244 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 21:37:19,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1615348585] [2020-12-02 21:37:19,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 21:37:19,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-12-02 21:37:19,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999798509] [2020-12-02 21:37:19,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-02 21:37:19,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 21:37:19,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-02 21:37:19,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-02 21:37:19,248 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand 6 states. [2020-12-02 21:37:20,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 21:37:20,402 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2020-12-02 21:37:20,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-02 21:37:20,410 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-12-02 21:37:20,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 21:37:20,410 INFO L225 Difference]: With dead ends: 24 [2020-12-02 21:37:20,411 INFO L226 Difference]: Without dead ends: 17 [2020-12-02 21:37:20,411 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-02 21:37:20,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-12-02 21:37:20,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-12-02 21:37:20,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-12-02 21:37:20,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2020-12-02 21:37:20,415 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 14 [2020-12-02 21:37:20,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 21:37:20,415 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2020-12-02 21:37:20,415 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-02 21:37:20,416 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2020-12-02 21:37:20,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-02 21:37:20,416 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 21:37:20,416 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 21:37:20,621 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-02 21:37:20,622 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 21:37:20,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 21:37:20,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1786240041, now seen corresponding path program 1 times [2020-12-02 21:37:20,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 21:37:20,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [686999663] [2020-12-02 21:37:20,625 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 21:37:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 21:37:20,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-02 21:37:20,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 21:37:20,925 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 21:37:20,934 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-02 21:37:20,938 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:37:20,939 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-02 21:37:20,948 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:37:20,951 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 21:37:20,951 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:18 [2020-12-02 21:37:21,035 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 21:37:21,036 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 21:37:21,075 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 21:37:21,082 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-02 21:37:21,085 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:37:21,085 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-02 21:37:21,096 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:37:21,098 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 21:37:21,098 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:18 [2020-12-02 21:37:21,111 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 21:37:21,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [686999663] [2020-12-02 21:37:21,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 21:37:21,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2020-12-02 21:37:21,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89121886] [2020-12-02 21:37:21,114 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-02 21:37:21,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 21:37:21,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-02 21:37:21,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-02 21:37:21,115 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 5 states. [2020-12-02 21:37:21,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 21:37:21,353 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2020-12-02 21:37:21,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-02 21:37:21,354 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-12-02 21:37:21,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 21:37:21,354 INFO L225 Difference]: With dead ends: 24 [2020-12-02 21:37:21,355 INFO L226 Difference]: Without dead ends: 17 [2020-12-02 21:37:21,355 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-12-02 21:37:21,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-12-02 21:37:21,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-12-02 21:37:21,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-12-02 21:37:21,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 16 transitions. [2020-12-02 21:37:21,359 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 16 transitions. Word has length 16 [2020-12-02 21:37:21,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 21:37:21,360 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 16 transitions. [2020-12-02 21:37:21,360 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-02 21:37:21,360 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2020-12-02 21:37:21,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-02 21:37:21,361 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 21:37:21,361 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 21:37:21,562 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-02 21:37:21,562 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 21:37:21,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 21:37:21,564 INFO L82 PathProgramCache]: Analyzing trace with hash -11232679, now seen corresponding path program 1 times [2020-12-02 21:37:21,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 21:37:21,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [443013686] [2020-12-02 21:37:21,565 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 21:37:21,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 21:37:21,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 12 conjunts are in the unsatisfiable core [2020-12-02 21:37:21,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 21:37:21,852 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-02 21:37:21,867 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2020-12-02 21:37:21,870 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-02 21:37:21,892 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:37:21,897 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-02 21:37:21,898 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:36 [2020-12-02 21:37:22,120 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:37:22,121 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 73 [2020-12-02 21:37:22,124 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:37:22,128 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-02 21:37:22,134 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_4], 2=[v_arrayElimCell_3]} [2020-12-02 21:37:22,233 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:37:22,234 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 73 [2020-12-02 21:37:22,236 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:37:22,238 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-02 21:37:22,244 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_6], 2=[v_arrayElimCell_5]} [2020-12-02 21:37:22,295 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:37:22,296 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 73 [2020-12-02 21:37:22,298 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:37:22,299 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-02 21:37:22,306 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_8], 2=[v_arrayElimCell_7]} [2020-12-02 21:37:22,435 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:37:22,436 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 73 [2020-12-02 21:37:22,439 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 21:37:22,441 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-02 21:37:22,450 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_10], 2=[v_arrayElimCell_9]} [2020-12-02 21:37:22,569 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 21:37:22,569 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 21:37:22,940 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:37:22,941 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 87 treesize of output 67 [2020-12-02 21:37:22,962 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 21:37:22,963 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 65 [2020-12-02 21:37:22,965 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-02 21:37:22,967 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-02 21:37:22,968 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-12-02 21:37:22,974 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_12], 2=[v_arrayElimCell_11]} [2020-12-02 21:37:23,109 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 21:37:23,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [443013686] [2020-12-02 21:37:23,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 21:37:23,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2020-12-02 21:37:23,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778552410] [2020-12-02 21:37:23,112 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-02 21:37:23,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 21:37:23,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-02 21:37:23,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=137, Unknown=1, NotChecked=0, Total=182 [2020-12-02 21:37:23,114 INFO L87 Difference]: Start difference. First operand 17 states and 16 transitions. Second operand 14 states. [2020-12-02 21:37:23,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 21:37:23,911 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2020-12-02 21:37:23,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-02 21:37:23,911 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 16 [2020-12-02 21:37:23,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 21:37:23,911 INFO L225 Difference]: With dead ends: 17 [2020-12-02 21:37:23,911 INFO L226 Difference]: Without dead ends: 0 [2020-12-02 21:37:23,912 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=94, Invalid=211, Unknown=1, NotChecked=0, Total=306 [2020-12-02 21:37:23,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-02 21:37:23,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-02 21:37:23,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-02 21:37:23,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-02 21:37:23,913 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2020-12-02 21:37:23,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 21:37:23,913 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-02 21:37:23,913 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-02 21:37:23,913 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-02 21:37:23,913 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-02 21:37:24,114 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-02 21:37:24,117 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-02 21:37:24,548 WARN L197 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2020-12-02 21:37:24,552 INFO L262 CegarLoopResult]: For program point L60(lines 60 61) no Hoare annotation was computed. [2020-12-02 21:37:24,553 INFO L262 CegarLoopResult]: For program point L44(lines 44 45) no Hoare annotation was computed. [2020-12-02 21:37:24,553 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-02 21:37:24,553 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-02 21:37:24,553 INFO L262 CegarLoopResult]: For program point L53(lines 53 75) no Hoare annotation was computed. [2020-12-02 21:37:24,553 INFO L262 CegarLoopResult]: For program point L37(lines 37 40) no Hoare annotation was computed. [2020-12-02 21:37:24,554 INFO L262 CegarLoopResult]: For program point L62(lines 62 74) no Hoare annotation was computed. [2020-12-02 21:37:24,554 INFO L262 CegarLoopResult]: For program point L54(lines 54 57) no Hoare annotation was computed. [2020-12-02 21:37:24,554 INFO L262 CegarLoopResult]: For program point L46(lines 46 51) no Hoare annotation was computed. [2020-12-02 21:37:24,554 INFO L262 CegarLoopResult]: For program point L63(lines 63 72) no Hoare annotation was computed. [2020-12-02 21:37:24,554 INFO L262 CegarLoopResult]: For program point L63-1(lines 63 72) no Hoare annotation was computed. [2020-12-02 21:37:24,554 INFO L262 CegarLoopResult]: For program point L47(lines 47 48) no Hoare annotation was computed. [2020-12-02 21:37:24,555 INFO L262 CegarLoopResult]: For program point L47-2(lines 47 48) no Hoare annotation was computed. [2020-12-02 21:37:24,555 INFO L262 CegarLoopResult]: For program point L97(lines 97 100) no Hoare annotation was computed. [2020-12-02 21:37:24,555 INFO L262 CegarLoopResult]: For program point L64(lines 64 71) no Hoare annotation was computed. [2020-12-02 21:37:24,555 INFO L262 CegarLoopResult]: For program point L31(lines 31 75) no Hoare annotation was computed. [2020-12-02 21:37:24,555 INFO L262 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-12-02 21:37:24,555 INFO L262 CegarLoopResult]: For program point L32(lines 32 52) no Hoare annotation was computed. [2020-12-02 21:37:24,556 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-02 21:37:24,556 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 98) no Hoare annotation was computed. [2020-12-02 21:37:24,556 INFO L262 CegarLoopResult]: For program point L24-1(lines 24 29) no Hoare annotation was computed. [2020-12-02 21:37:24,557 INFO L258 CegarLoopResult]: At program point L24-2(lines 24 29) the Hoare annotation is: (and (= ~huge_ceil~0 ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) (= currentRoundingMode roundNearestTiesToEven) (= (_ +zero 11 53) ULTIMATE.start_ceil_double_~x) (= ULTIMATE.start_main_~x~0 (_ +zero 11 53))) [2020-12-02 21:37:24,557 INFO L262 CegarLoopResult]: For program point L24-3(lines 24 29) no Hoare annotation was computed. [2020-12-02 21:37:24,558 INFO L258 CegarLoopResult]: At program point L82(lines 21 83) the Hoare annotation is: (and (= ~huge_ceil~0 ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) (= currentRoundingMode roundNearestTiesToEven) (= (bvor ULTIMATE.start_ceil_double_~i0~0 ULTIMATE.start_ceil_double_~i1~0) (_ bv0 32)) (exists ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 64))) (and (= ULTIMATE.start_ceil_double_~j0~0 (bvadd (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_3|) (_ bv20 32))) (_ bv4294966273 32))) (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_3|))))) (exists ((ULTIMATE.start_ceil_double_~i1~0 (_ BitVec 32)) (|v_#memory_int_15| (Array (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32)))) (|v_skolemized_q#valueAsBitvector_5| (_ BitVec 64)) (|v_ULTIMATE.start_ceil_double_~#iw_u~0.base_10| (_ BitVec 32)) (|v_ULTIMATE.start_ceil_double_~#ew_u~0.base_13| (_ BitVec 32))) (let ((.cse2 (select |v_#memory_int_15| |v_ULTIMATE.start_ceil_double_~#ew_u~0.base_13|))) (let ((.cse0 (select .cse2 (_ bv4 32)))) (and (= ULTIMATE.start_main_~x~0 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_5|))) (= .cse0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_5|)) (= (let ((.cse1 (concat (select (store (store (select |v_#memory_int_15| |v_ULTIMATE.start_ceil_double_~#iw_u~0.base_10|) (_ bv4 32) .cse0) (_ bv0 32) ULTIMATE.start_ceil_double_~i1~0) (_ bv4 32)) ULTIMATE.start_ceil_double_~i1~0))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) |ULTIMATE.start_ceil_double_#res|) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_5|) (select .cse2 (_ bv0 32))) (= (_ bv0 32) (bvor .cse0 ULTIMATE.start_ceil_double_~i1~0)))))) (exists ((ULTIMATE.start_ceil_double_~i1~0 (_ BitVec 32)) (|v_#memory_int_15| (Array (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32)))) (|v_skolemized_q#valueAsBitvector_5| (_ BitVec 64)) (|v_ULTIMATE.start_ceil_double_~#iw_u~0.base_10| (_ BitVec 32)) (|v_ULTIMATE.start_ceil_double_~#ew_u~0.base_13| (_ BitVec 32))) (let ((.cse4 (select |v_#memory_int_15| |v_ULTIMATE.start_ceil_double_~#ew_u~0.base_13|))) (let ((.cse3 (select .cse4 (_ bv4 32)))) (and (= ULTIMATE.start_main_~x~0 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_5|))) (= .cse3 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_5|)) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_5|) (select .cse4 (_ bv0 32))) (= (let ((.cse5 (concat (select (store (store (select |v_#memory_int_15| |v_ULTIMATE.start_ceil_double_~#iw_u~0.base_10|) (_ bv4 32) .cse3) (_ bv0 32) ULTIMATE.start_ceil_double_~i1~0) (_ bv4 32)) ULTIMATE.start_ceil_double_~i1~0))) (fp ((_ extract 63 63) .cse5) ((_ extract 62 52) .cse5) ((_ extract 51 0) .cse5))) ULTIMATE.start_ceil_double_~x) (= (_ bv0 32) (bvor .cse3 ULTIMATE.start_ceil_double_~i1~0)))))) (= ULTIMATE.start_main_~x~0 (_ +zero 11 53)) (exists ((|v_skolemized_q#valueAsBitvector_5| (_ BitVec 64)) (|v_ULTIMATE.start_ceil_double_~#ew_u~0.base_13| (_ BitVec 32))) (let ((.cse7 (select |#memory_int| |v_ULTIMATE.start_ceil_double_~#ew_u~0.base_13|))) (let ((.cse6 (select .cse7 (_ bv4 32)))) (and (= ULTIMATE.start_ceil_double_~i0~0 .cse6) (= ULTIMATE.start_main_~x~0 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_5|))) (= (select .cse7 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_5|)) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_5|) .cse6)))))) [2020-12-02 21:37:24,558 INFO L262 CegarLoopResult]: For program point L33(lines 33 41) no Hoare annotation was computed. [2020-12-02 21:37:24,558 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-02 21:37:24,558 INFO L262 CegarLoopResult]: For program point L34(lines 34 40) no Hoare annotation was computed. [2020-12-02 21:37:24,558 INFO L262 CegarLoopResult]: For program point L76(lines 76 81) no Hoare annotation was computed. [2020-12-02 21:37:24,559 INFO L262 CegarLoopResult]: For program point L76-1(lines 21 83) no Hoare annotation was computed. [2020-12-02 21:37:24,559 INFO L262 CegarLoopResult]: For program point L76-2(lines 76 81) no Hoare annotation was computed. [2020-12-02 21:37:24,559 INFO L265 CegarLoopResult]: At program point L101(lines 85 102) the Hoare annotation is: true [2020-12-02 21:37:24,559 INFO L262 CegarLoopResult]: For program point L68(lines 68 69) no Hoare annotation was computed. [2020-12-02 21:37:24,559 INFO L262 CegarLoopResult]: For program point L68-2(lines 68 69) no Hoare annotation was computed. [2020-12-02 21:37:24,573 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:37:24,578 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:37:24,581 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:446) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:135) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java: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 21:37:24,587 INFO L168 Benchmark]: Toolchain (without parser) took 12374.76 ms. Allocated memory was 44.0 MB in the beginning and 69.2 MB in the end (delta: 25.2 MB). Free memory was 20.8 MB in the beginning and 37.9 MB in the end (delta: -17.1 MB). Peak memory consumption was 28.0 MB. Max. memory is 16.1 GB. [2020-12-02 21:37:24,588 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 44.0 MB. Free memory was 22.4 MB in the beginning and 22.3 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 21:37:24,589 INFO L168 Benchmark]: CACSL2BoogieTranslator took 304.79 ms. Allocated memory was 44.0 MB in the beginning and 56.6 MB in the end (delta: 12.6 MB). Free memory was 20.5 MB in the beginning and 32.8 MB in the end (delta: -12.3 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2020-12-02 21:37:24,589 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.98 ms. Allocated memory is still 56.6 MB. Free memory was 32.8 MB in the beginning and 31.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 21:37:24,590 INFO L168 Benchmark]: Boogie Preprocessor took 41.38 ms. Allocated memory is still 56.6 MB. Free memory was 31.2 MB in the beginning and 29.6 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 21:37:24,591 INFO L168 Benchmark]: RCFGBuilder took 2073.81 ms. Allocated memory is still 56.6 MB. Free memory was 29.6 MB in the beginning and 25.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-02 21:37:24,592 INFO L168 Benchmark]: TraceAbstraction took 9898.92 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 24.6 MB in the beginning and 37.9 MB in the end (delta: -13.3 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. [2020-12-02 21:37:24,602 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 44.0 MB. Free memory was 22.4 MB in the beginning and 22.3 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 304.79 ms. Allocated memory was 44.0 MB in the beginning and 56.6 MB in the end (delta: 12.6 MB). Free memory was 20.5 MB in the beginning and 32.8 MB in the end (delta: -12.3 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 47.98 ms. Allocated memory is still 56.6 MB. Free memory was 32.8 MB in the beginning and 31.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.38 ms. Allocated memory is still 56.6 MB. Free memory was 31.2 MB in the beginning and 29.6 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 2073.81 ms. Allocated memory is still 56.6 MB. Free memory was 29.6 MB in the beginning and 25.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 9898.92 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 24.6 MB in the beginning and 37.9 MB in the end (delta: -13.3 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 98]: 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 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant [2020-12-02 21:37:24,627 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 21:37:24,628 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((huge_ceil == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~Pluszero~LONGDOUBLE() == x) && x == ~Pluszero~LONGDOUBLE() - 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...