./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0490a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2880296f Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0490a.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 051f516ef914e7e08e36480db1055cdf3735f5db ................................................................................................................................................................................................................................................................................................................... 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_0490a.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 051f516ef914e7e08e36480db1055cdf3735f5db .................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") --- Real Ultimate output --- This is Ultimate 0.2.0-2880296 [2020-12-02 15:12:30,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:12:30,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:12:30,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:12:30,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:12:30,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:12:30,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:12:30,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:12:30,204 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:12:30,211 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:12:30,212 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:12:30,218 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:12:30,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:12:30,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:12:30,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:12:30,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:12:30,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:12:30,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:12:30,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:12:30,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:12:30,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:12:30,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:12:30,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:12:30,252 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:12:30,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:12:30,263 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:12:30,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:12:30,266 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:12:30,266 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:12:30,268 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:12:30,268 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:12:30,269 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:12:30,271 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:12:30,272 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:12:30,274 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:12:30,274 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:12:30,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:12:30,277 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:12:30,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:12:30,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:12:30,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:12:30,282 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 15:12:30,338 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:12:30,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:12:30,341 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:12:30,342 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:12:30,342 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:12:30,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:12:30,343 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:12:30,343 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 15:12:30,343 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:12:30,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:12:30,345 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:12:30,346 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:12:30,346 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:12:30,346 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:12:30,346 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:12:30,347 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:12:30,347 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:12:30,347 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:12:30,348 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:12:30,348 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:12:30,348 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:12:30,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:12:30,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:12:30,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:12:30,350 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:12:30,350 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 15:12:30,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 15:12:30,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:12:30,351 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:12:30,351 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 051f516ef914e7e08e36480db1055cdf3735f5db [2020-12-02 15:12:30,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:12:30,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:12:30,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:12:30,858 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:12:30,859 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:12:30,861 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0490a.c [2020-12-02 15:12:30,971 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/505d164cd/64c24567588e48c4b49c61d1cd8f796a/FLAG13c42152c [2020-12-02 15:12:31,629 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:12:31,630 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0490a.c [2020-12-02 15:12:31,646 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/505d164cd/64c24567588e48c4b49c61d1cd8f796a/FLAG13c42152c [2020-12-02 15:12:31,933 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/505d164cd/64c24567588e48c4b49c61d1cd8f796a [2020-12-02 15:12:31,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:12:31,939 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:12:31,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:12:31,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:12:31,944 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:12:31,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:12:31" (1/1) ... [2020-12-02 15:12:31,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39e0d995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:31, skipping insertion in model container [2020-12-02 15:12:31,949 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:12:31" (1/1) ... [2020-12-02 15:12:31,958 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:12:32,000 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:12:32,318 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_0490a.c[9221,9234] [2020-12-02 15:12:32,322 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:12:32,334 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 15:12:32,422 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_0490a.c[9221,9234] [2020-12-02 15:12:32,423 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:12:32,454 INFO L217 MainTranslator]: Completed translation [2020-12-02 15:12:32,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:32 WrapperNode [2020-12-02 15:12:32,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 15:12:32,458 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 15:12:32,458 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 15:12:32,459 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 15:12:32,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:32" (1/1) ... [2020-12-02 15:12:32,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:32" (1/1) ... [2020-12-02 15:12:32,561 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 15:12:32,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 15:12:32,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 15:12:32,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 15:12:32,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:32" (1/1) ... [2020-12-02 15:12:32,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:32" (1/1) ... [2020-12-02 15:12:32,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:32" (1/1) ... [2020-12-02 15:12:32,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:32" (1/1) ... [2020-12-02 15:12:32,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:32" (1/1) ... [2020-12-02 15:12:32,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:32" (1/1) ... [2020-12-02 15:12:32,626 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:32" (1/1) ... [2020-12-02 15:12:32,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 15:12:32,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 15:12:32,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 15:12:32,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 15:12:32,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:12:32,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-02 15:12:32,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 15:12:32,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-02 15:12:32,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-02 15:12:32,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-02 15:12:32,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 15:12:32,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 15:12:32,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-02 15:12:32,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 15:12:33,635 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 15:12:33,639 INFO L298 CfgBuilder]: Removed 34 assume(true) statements. [2020-12-02 15:12:33,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:12:33 BoogieIcfgContainer [2020-12-02 15:12:33,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 15:12:33,647 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 15:12:33,647 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 15:12:33,651 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 15:12:33,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:12:31" (1/3) ... [2020-12-02 15:12:33,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@715d7ef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:12:33, skipping insertion in model container [2020-12-02 15:12:33,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:32" (2/3) ... [2020-12-02 15:12:33,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@715d7ef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:12:33, skipping insertion in model container [2020-12-02 15:12:33,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:12:33" (3/3) ... [2020-12-02 15:12:33,657 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0490a.c [2020-12-02 15:12:33,675 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 15:12:33,684 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 15:12:33,698 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 15:12:33,747 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 15:12:33,748 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 15:12:33,748 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 15:12:33,748 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 15:12:33,748 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 15:12:33,749 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 15:12:33,749 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 15:12:33,749 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 15:12:33,773 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2020-12-02 15:12:33,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-02 15:12:33,783 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:12:33,784 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:12:33,785 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:12:33,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:12:33,792 INFO L82 PathProgramCache]: Analyzing trace with hash 2057048347, now seen corresponding path program 1 times [2020-12-02 15:12:33,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 15:12:33,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615882376] [2020-12-02 15:12:33,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 15:12:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:12:33,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:12:33,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615882376] [2020-12-02 15:12:33,980 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:12:33,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-02 15:12:33,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229646581] [2020-12-02 15:12:33,986 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 15:12:33,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 15:12:34,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 15:12:34,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:12:34,004 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 2 states. [2020-12-02 15:12:34,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:12:34,040 INFO L93 Difference]: Finished difference Result 206 states and 342 transitions. [2020-12-02 15:12:34,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 15:12:34,041 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-02 15:12:34,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:12:34,062 INFO L225 Difference]: With dead ends: 206 [2020-12-02 15:12:34,062 INFO L226 Difference]: Without dead ends: 101 [2020-12-02 15:12:34,066 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:12:34,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-12-02 15:12:34,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-12-02 15:12:34,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-12-02 15:12:34,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 146 transitions. [2020-12-02 15:12:34,116 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 146 transitions. Word has length 11 [2020-12-02 15:12:34,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:12:34,117 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 146 transitions. [2020-12-02 15:12:34,117 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 15:12:34,117 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 146 transitions. [2020-12-02 15:12:34,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-02 15:12:34,118 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:12:34,118 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:12:34,118 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-02 15:12:34,118 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:12:34,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:12:34,119 INFO L82 PathProgramCache]: Analyzing trace with hash -1327291576, now seen corresponding path program 1 times [2020-12-02 15:12:34,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 15:12:34,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620632619] [2020-12-02 15:12:34,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 15:12:34,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 15:12:34,173 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 15:12:34,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 15:12:34,225 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 15:12:34,259 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-02 15:12:34,259 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-02 15:12:34,260 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-02 15:12:34,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:12:34 BoogieIcfgContainer [2020-12-02 15:12:34,319 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 15:12:34,320 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 15:12:34,320 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 15:12:34,320 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 15:12:34,321 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:12:33" (3/4) ... [2020-12-02 15:12:34,324 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-02 15:12:34,325 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 15:12:34,328 INFO L168 Benchmark]: Toolchain (without parser) took 2387.90 ms. Allocated memory was 48.2 MB in the beginning and 71.3 MB in the end (delta: 23.1 MB). Free memory was 24.3 MB in the beginning and 45.1 MB in the end (delta: -20.8 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. [2020-12-02 15:12:34,328 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 48.2 MB. Free memory was 27.9 MB in the beginning and 27.9 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:12:34,330 INFO L168 Benchmark]: CACSL2BoogieTranslator took 516.48 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 24.0 MB in the beginning and 27.8 MB in the end (delta: -3.8 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-12-02 15:12:34,331 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.86 ms. Allocated memory is still 58.7 MB. Free memory was 27.7 MB in the beginning and 39.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-12-02 15:12:34,332 INFO L168 Benchmark]: Boogie Preprocessor took 70.48 ms. Allocated memory is still 58.7 MB. Free memory was 39.9 MB in the beginning and 36.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:12:34,333 INFO L168 Benchmark]: RCFGBuilder took 1010.38 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 36.8 MB in the beginning and 50.3 MB in the end (delta: -13.6 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:12:34,334 INFO L168 Benchmark]: TraceAbstraction took 672.04 ms. Allocated memory is still 71.3 MB. Free memory was 49.9 MB in the beginning and 45.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-12-02 15:12:34,334 INFO L168 Benchmark]: Witness Printer took 5.14 ms. Allocated memory is still 71.3 MB. Free memory was 45.6 MB in the beginning and 45.1 MB in the end (delta: 470.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:12:34,340 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 48.2 MB. Free memory was 27.9 MB in the beginning and 27.9 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 516.48 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 24.0 MB in the beginning and 27.8 MB in the end (delta: -3.8 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 103.86 ms. Allocated memory is still 58.7 MB. Free memory was 27.7 MB in the beginning and 39.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.48 ms. Allocated memory is still 58.7 MB. Free memory was 39.9 MB in the beginning and 36.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1010.38 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 36.8 MB in the beginning and 50.3 MB in the end (delta: -13.6 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 672.04 ms. Allocated memory is still 71.3 MB. Free memory was 49.9 MB in the beginning and 45.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Witness Printer took 5.14 ms. Allocated memory is still 71.3 MB. Free memory was 45.6 MB in the beginning and 45.1 MB in the end (delta: 470.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 379]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLE_SMToperation at line 287, overapproximation of bitwiseAnd at line 305, overapproximation of someBinaryArithmeticDOUBLE_SMToperation at line 323, overapproximation of someBinaryDOUBLE_SMTComparisonOperation at line 103. Possible FailurePath: [L18] static const double huge_floor = 1.0e300; [L170] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L282-L295] static const double one_acos = 1.00000000000000000000e+00, pi = 3.14159265358979311600e+00, pio2_hi_acos = 1.57079632679489655800e+00, pio2_lo_acos = 6.12323399573676603587e-17, pS0_acos = 1.66666666666666657415e-01, pS1_acos = -3.25565818622400915405e-01, pS2_acos = 2.01212532134862925881e-01, pS3_acos = -4.00555345006794114027e-02, pS4_acos = 7.91534994289814532176e-04, pS5_acos = 3.47933107596021167570e-05, qS1_acos = -2.40339491173441421878e+00, qS2_acos = 2.02094576023350569471e+00, qS3_acos = -6.88283971605453293030e-01, qS4_acos = 7.70381505559019352791e-02; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L374] double x = 1.0 / 0.0; [L298] double z, p, q, r, w, s, c, df; [L299] __int32_t hx, ix; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L301] ieee_double_shape_type gh_u; [L302] gh_u.value = (x) [L303] EXPR gh_u.parts.msw [L303] (hx) = gh_u.parts.msw [L305] ix = hx & 0x7fffffff VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L306] COND FALSE !(ix >= 0x3ff00000) VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L321] COND TRUE ix < 0x3fe00000 VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L322] COND TRUE ix <= 0x3c600000 [L323] return pio2_hi_acos + pio2_lo_acos; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L375] double res = __ieee754_acos(x); [L103] return x != x; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L378] COND TRUE !isnan_double(res) [L379] reach_error() VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 104 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 149 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=104occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-2880296 [2020-12-02 15:12:37,168 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:12:37,171 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:12:37,214 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:12:37,215 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:12:37,217 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:12:37,218 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:12:37,221 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:12:37,223 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:12:37,224 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:12:37,226 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:12:37,227 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:12:37,228 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:12:37,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:12:37,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:12:37,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:12:37,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:12:37,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:12:37,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:12:37,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:12:37,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:12:37,242 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:12:37,243 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:12:37,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:12:37,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:12:37,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:12:37,252 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:12:37,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:12:37,257 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:12:37,258 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:12:37,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:12:37,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:12:37,265 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:12:37,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:12:37,270 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:12:37,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:12:37,271 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:12:37,272 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:12:37,273 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:12:37,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:12:37,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:12:37,278 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 15:12:37,341 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:12:37,341 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:12:37,343 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:12:37,343 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:12:37,344 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:12:37,344 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:12:37,344 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:12:37,345 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:12:37,345 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:12:37,345 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:12:37,345 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:12:37,346 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:12:37,346 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 15:12:37,346 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 15:12:37,346 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:12:37,346 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:12:37,347 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:12:37,347 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:12:37,347 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:12:37,348 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:12:37,348 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:12:37,348 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:12:37,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:12:37,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:12:37,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:12:37,349 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:12:37,350 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 15:12:37,350 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 15:12:37,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:12:37,350 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:12:37,351 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 15:12:37,351 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 051f516ef914e7e08e36480db1055cdf3735f5db [2020-12-02 15:12:37,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:12:37,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:12:37,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:12:37,870 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:12:37,870 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:12:37,871 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0490a.c [2020-12-02 15:12:37,971 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c520fe16/5ed246f7451c453c809dfc79d5ea51aa/FLAG8afb5a57c [2020-12-02 15:12:38,603 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:12:38,604 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0490a.c [2020-12-02 15:12:38,616 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c520fe16/5ed246f7451c453c809dfc79d5ea51aa/FLAG8afb5a57c [2020-12-02 15:12:38,951 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c520fe16/5ed246f7451c453c809dfc79d5ea51aa [2020-12-02 15:12:38,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:12:38,962 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:12:38,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:12:38,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:12:38,969 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:12:38,970 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:12:38" (1/1) ... [2020-12-02 15:12:38,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8edc613 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:38, skipping insertion in model container [2020-12-02 15:12:38,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:12:38" (1/1) ... [2020-12-02 15:12:38,986 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:12:39,050 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:12:39,435 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_0490a.c[9221,9234] [2020-12-02 15:12:39,439 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:12:39,458 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 15:12:39,651 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_0490a.c[9221,9234] [2020-12-02 15:12:39,652 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:12:39,696 INFO L217 MainTranslator]: Completed translation [2020-12-02 15:12:39,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:39 WrapperNode [2020-12-02 15:12:39,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 15:12:39,702 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 15:12:39,703 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 15:12:39,703 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 15:12:39,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:39" (1/1) ... [2020-12-02 15:12:39,763 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:39" (1/1) ... [2020-12-02 15:12:39,857 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 15:12:39,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 15:12:39,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 15:12:39,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 15:12:39,870 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:39" (1/1) ... [2020-12-02 15:12:39,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:39" (1/1) ... [2020-12-02 15:12:39,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:39" (1/1) ... [2020-12-02 15:12:39,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:39" (1/1) ... [2020-12-02 15:12:39,909 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:39" (1/1) ... [2020-12-02 15:12:39,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:39" (1/1) ... [2020-12-02 15:12:39,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:39" (1/1) ... [2020-12-02 15:12:39,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 15:12:39,958 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 15:12:39,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 15:12:39,959 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 15:12:39,961 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:12:40,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-12-02 15:12:40,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-02 15:12:40,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-02 15:12:40,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 15:12:40,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 15:12:40,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-02 15:12:40,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 15:12:40,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 15:12:40,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-02 15:12:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 15:13:09,530 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 15:13:09,531 INFO L298 CfgBuilder]: Removed 34 assume(true) statements. [2020-12-02 15:13:09,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:13:09 BoogieIcfgContainer [2020-12-02 15:13:09,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 15:13:09,536 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 15:13:09,536 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 15:13:09,539 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 15:13:09,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:12:38" (1/3) ... [2020-12-02 15:13:09,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3046eff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:13:09, skipping insertion in model container [2020-12-02 15:13:09,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:39" (2/3) ... [2020-12-02 15:13:09,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3046eff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:13:09, skipping insertion in model container [2020-12-02 15:13:09,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:13:09" (3/3) ... [2020-12-02 15:13:09,544 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0490a.c [2020-12-02 15:13:09,565 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 15:13:09,569 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 15:13:09,583 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 15:13:09,612 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 15:13:09,613 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 15:13:09,613 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 15:13:09,613 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 15:13:09,614 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 15:13:09,614 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 15:13:09,614 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 15:13:09,614 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 15:13:09,632 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2020-12-02 15:13:09,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-02 15:13:09,639 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:13:09,640 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:13:09,640 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:13:09,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:13:09,647 INFO L82 PathProgramCache]: Analyzing trace with hash 2057048347, now seen corresponding path program 1 times [2020-12-02 15:13:09,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:13:09,662 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1144960723] [2020-12-02 15:13:09,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-02 15:13:11,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:13:11,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-02 15:13:11,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:13:11,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:13:11,560 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:13:11,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:13:11,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1144960723] [2020-12-02 15:13:11,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:13:11,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-02 15:13:11,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163928082] [2020-12-02 15:13:11,582 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 15:13:11,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:13:11,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 15:13:11,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:13:11,600 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 2 states. [2020-12-02 15:13:11,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:13:11,633 INFO L93 Difference]: Finished difference Result 206 states and 342 transitions. [2020-12-02 15:13:11,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 15:13:11,635 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-02 15:13:11,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:13:11,648 INFO L225 Difference]: With dead ends: 206 [2020-12-02 15:13:11,648 INFO L226 Difference]: Without dead ends: 101 [2020-12-02 15:13:11,652 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:13:11,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-12-02 15:13:11,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-12-02 15:13:11,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-12-02 15:13:11,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 146 transitions. [2020-12-02 15:13:11,701 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 146 transitions. Word has length 11 [2020-12-02 15:13:11,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:13:11,702 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 146 transitions. [2020-12-02 15:13:11,702 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 15:13:11,702 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 146 transitions. [2020-12-02 15:13:11,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-02 15:13:11,703 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:13:11,703 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:13:11,904 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 15:13:11,905 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:13:11,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:13:11,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1327291576, now seen corresponding path program 1 times [2020-12-02 15:13:11,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:13:11,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [33599945] [2020-12-02 15:13:11,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-02 15:13:12,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:13:12,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-02 15:13:12,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:13:19,046 WARN L197 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 25 [2020-12-02 15:13:21,193 WARN L838 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~nondet171_6| (_ BitVec 64)) (ULTIMATE.start___ieee754_acos_~x (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet170_6| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet171_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet171_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet171_6|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet170_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet170_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet170_6|)))) (and (= (_ +zero 11 53) .cse0) (= (fp ((_ extract 63 63) ULTIMATE.start___ieee754_acos_~x) ((_ extract 62 52) ULTIMATE.start___ieee754_acos_~x) ((_ extract 51 0) ULTIMATE.start___ieee754_acos_~x)) (fp.div roundNearestTiesToEven .cse1 .cse0)) (= ((_ extract 63 32) ULTIMATE.start___ieee754_acos_~x) c_ULTIMATE.start___ieee754_acos_~hx~2) (= .cse1 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) is different from false [2020-12-02 15:13:32,954 WARN L197 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 30 [2020-12-02 15:13:32,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:13:32,974 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:13:48,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:13:48,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [33599945] [2020-12-02 15:13:48,078 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:13:48,078 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2020-12-02 15:13:48,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008538647] [2020-12-02 15:13:48,080 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-02 15:13:48,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:13:48,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-02 15:13:48,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=35, Unknown=8, NotChecked=12, Total=72 [2020-12-02 15:13:48,082 INFO L87 Difference]: Start difference. First operand 101 states and 146 transitions. Second operand 9 states. [2020-12-02 15:13:50,301 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet171_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet170_6| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet171_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet171_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet171_6|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet170_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet170_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet170_6|)))) (and (= (_ +zero 11 53) .cse0) (= (fp ((_ extract 63 63) c_ULTIMATE.start___ieee754_acos_~x) ((_ extract 62 52) c_ULTIMATE.start___ieee754_acos_~x) ((_ extract 51 0) c_ULTIMATE.start___ieee754_acos_~x)) (fp.div roundNearestTiesToEven .cse1 .cse0)) (= .cse1 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) (= roundNearestTiesToEven c_~CRM)) is different from false [2020-12-02 15:13:52,458 WARN L838 $PredicateComparison]: unable to prove that (and (bvsge (bvand (_ bv2147483647 32) c_ULTIMATE.start___ieee754_acos_~hx~2) (_ bv1072693248 32)) (exists ((|v_ULTIMATE.start_main_#t~nondet171_6| (_ BitVec 64)) (ULTIMATE.start___ieee754_acos_~x (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet170_6| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet171_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet171_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet171_6|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet170_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet170_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet170_6|)))) (and (= (_ +zero 11 53) .cse0) (= (fp ((_ extract 63 63) ULTIMATE.start___ieee754_acos_~x) ((_ extract 62 52) ULTIMATE.start___ieee754_acos_~x) ((_ extract 51 0) ULTIMATE.start___ieee754_acos_~x)) (fp.div roundNearestTiesToEven .cse1 .cse0)) (= ((_ extract 63 32) ULTIMATE.start___ieee754_acos_~x) c_ULTIMATE.start___ieee754_acos_~hx~2) (= .cse1 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)))))) is different from false [2020-12-02 15:14:02,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:14:02,079 INFO L93 Difference]: Finished difference Result 106 states and 150 transitions. [2020-12-02 15:14:02,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-02 15:14:02,504 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 12 [2020-12-02 15:14:02,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:14:02,505 INFO L225 Difference]: With dead ends: 106 [2020-12-02 15:14:02,505 INFO L226 Difference]: Without dead ends: 14 [2020-12-02 15:14:02,507 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 39.1s TimeCoverageRelationStatistics Valid=21, Invalid=37, Unknown=10, NotChecked=42, Total=110 [2020-12-02 15:14:02,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-12-02 15:14:02,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-12-02 15:14:02,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-12-02 15:14:02,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2020-12-02 15:14:02,512 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 12 [2020-12-02 15:14:02,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:14:02,512 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2020-12-02 15:14:02,512 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-02 15:14:02,512 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2020-12-02 15:14:02,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-02 15:14:02,513 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:14:02,513 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:14:02,727 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-02 15:14:02,728 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:14:02,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:14:02,729 INFO L82 PathProgramCache]: Analyzing trace with hash -1300627107, now seen corresponding path program 1 times [2020-12-02 15:14:02,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:14:02,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1625208110] [2020-12-02 15:14:02,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-02 15:14:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:14:04,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-02 15:14:04,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:14:12,711 WARN L197 SmtUtils]: Spent 5.93 s on a formula simplification that was a NOOP. DAG size: 28 [2020-12-02 15:14:15,146 WARN L838 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~nondet170_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet171_8| (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_acos_#t~nondet77_7| (_ BitVec 64)) (ULTIMATE.start___ieee754_acos_~x (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_acos_#t~nondet76_7| (_ BitVec 64))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_acos_#t~nondet77_7|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_acos_#t~nondet77_7|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_acos_#t~nondet77_7|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet170_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet170_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet170_8|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet171_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet171_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet171_8|))) (.cse3 (fp ((_ extract 63 63) ULTIMATE.start___ieee754_acos_~x) ((_ extract 62 52) ULTIMATE.start___ieee754_acos_~x) ((_ extract 51 0) ULTIMATE.start___ieee754_acos_~x)))) (and (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse0) (= (_ +zero 11 53) .cse1) (= .cse2 (fp.sub roundNearestTiesToEven .cse3 .cse3)) (= (fp.div roundNearestTiesToEven (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_acos_#t~nondet76_7|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_acos_#t~nondet76_7|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_acos_#t~nondet76_7|)) .cse2) (fp ((_ extract 63 63) |c_ULTIMATE.start___ieee754_acos_#res|) ((_ extract 62 52) |c_ULTIMATE.start___ieee754_acos_#res|) ((_ extract 51 0) |c_ULTIMATE.start___ieee754_acos_#res|))) (= (fp.div roundNearestTiesToEven .cse0 .cse1) .cse3)))) is different from false [2020-12-02 15:14:15,198 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:14:15,202 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-02 15:14:20,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:14:20,091 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:14:29,443 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start___ieee754_acos_#t~nondet77_7| (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_acos_#res_13| (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_acos_#t~nondet76_7| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_acos_#res_13|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_acos_#res_13|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_acos_#res_13|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_acos_#t~nondet77_7|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_acos_#t~nondet77_7|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_acos_#t~nondet77_7|)))) (or (not (fp.eq .cse0 .cse0)) (not (= .cse0 (fp.div c_~CRM (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_acos_#t~nondet76_7|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_acos_#t~nondet76_7|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_acos_#t~nondet76_7|)) .cse1))) (not (= .cse1 (let ((.cse2 (fp ((_ extract 63 63) c_ULTIMATE.start___ieee754_acos_~x) ((_ extract 62 52) c_ULTIMATE.start___ieee754_acos_~x) ((_ extract 51 0) c_ULTIMATE.start___ieee754_acos_~x)))) (fp.sub c_~CRM .cse2 .cse2))))))) is different from false [2020-12-02 15:14:31,720 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start___ieee754_acos_#t~nondet77_7| (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_acos_#res_13| (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_acos_#t~nondet76_7| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_acos_#res_13|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_acos_#res_13|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_acos_#res_13|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_acos_#t~nondet77_7|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_acos_#t~nondet77_7|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_acos_#t~nondet77_7|)))) (or (not (fp.eq .cse0 .cse0)) (not (= .cse0 (fp.div c_~CRM (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_acos_#t~nondet76_7|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_acos_#t~nondet76_7|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_acos_#t~nondet76_7|)) .cse1))) (not (= .cse1 (let ((.cse2 (fp ((_ extract 63 63) c_ULTIMATE.start___ieee754_acos_~x) ((_ extract 62 52) c_ULTIMATE.start___ieee754_acos_~x) ((_ extract 51 0) c_ULTIMATE.start___ieee754_acos_~x)))) (fp.sub c_~CRM .cse2 .cse2))))))) is different from true [2020-12-02 15:14:34,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:14:34,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1625208110] [2020-12-02 15:14:34,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:14:34,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2020-12-02 15:14:34,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223718958] [2020-12-02 15:14:34,098 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-02 15:14:34,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:14:34,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-02 15:14:34,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=52, Unknown=6, NotChecked=30, Total=110 [2020-12-02 15:14:34,100 INFO L87 Difference]: Start difference. First operand 14 states and 13 transitions. Second operand 11 states. [2020-12-02 15:14:37,373 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (forall ((|v_ULTIMATE.start___ieee754_acos_#t~nondet77_7| (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_acos_#res_13| (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_acos_#t~nondet76_7| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_acos_#res_13|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_acos_#res_13|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_acos_#res_13|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_acos_#t~nondet77_7|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_acos_#t~nondet77_7|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_acos_#t~nondet77_7|)))) (or (not (fp.eq .cse0 .cse0)) (not (= .cse0 (fp.div c_~CRM (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_acos_#t~nondet76_7|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_acos_#t~nondet76_7|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_acos_#t~nondet76_7|)) .cse1))) (not (= .cse1 (let ((.cse2 (fp ((_ extract 63 63) c_ULTIMATE.start___ieee754_acos_~x) ((_ extract 62 52) c_ULTIMATE.start___ieee754_acos_~x) ((_ extract 51 0) c_ULTIMATE.start___ieee754_acos_~x)))) (fp.sub c_~CRM .cse2 .cse2))))))) (exists ((|v_ULTIMATE.start_main_#t~nondet170_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet171_8| (_ BitVec 64))) (let ((.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet170_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet170_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet170_8|))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet171_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet171_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet171_8|)))) (and (= (fp ((_ extract 63 63) c_ULTIMATE.start___ieee754_acos_~x) ((_ extract 62 52) c_ULTIMATE.start___ieee754_acos_~x) ((_ extract 51 0) c_ULTIMATE.start___ieee754_acos_~x)) (fp.div c_~CRM .cse3 .cse4)) (= ((_ to_fp 11 53) c_~CRM 1.0) .cse3) (= (_ +zero 11 53) .cse4))))) is different from false [2020-12-02 15:14:39,891 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet170_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet171_8| (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_acos_#t~nondet77_7| (_ BitVec 64)) (ULTIMATE.start___ieee754_acos_~x (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_acos_#t~nondet76_7| (_ BitVec 64))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_acos_#t~nondet77_7|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_acos_#t~nondet77_7|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_acos_#t~nondet77_7|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet170_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet170_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet170_8|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet171_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet171_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet171_8|))) (.cse3 (fp ((_ extract 63 63) ULTIMATE.start___ieee754_acos_~x) ((_ extract 62 52) ULTIMATE.start___ieee754_acos_~x) ((_ extract 51 0) ULTIMATE.start___ieee754_acos_~x)))) (and (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse0) (= (_ +zero 11 53) .cse1) (= .cse2 (fp.sub roundNearestTiesToEven .cse3 .cse3)) (= (fp.div roundNearestTiesToEven (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_acos_#t~nondet76_7|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_acos_#t~nondet76_7|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_acos_#t~nondet76_7|)) .cse2) (fp ((_ extract 63 63) |c_ULTIMATE.start___ieee754_acos_#res|) ((_ extract 62 52) |c_ULTIMATE.start___ieee754_acos_#res|) ((_ extract 51 0) |c_ULTIMATE.start___ieee754_acos_#res|))) (= (fp.div roundNearestTiesToEven .cse0 .cse1) .cse3)))) (not (let ((.cse4 (fp ((_ extract 63 63) |c_ULTIMATE.start___ieee754_acos_#res|) ((_ extract 62 52) |c_ULTIMATE.start___ieee754_acos_#res|) ((_ extract 51 0) |c_ULTIMATE.start___ieee754_acos_#res|)))) (fp.eq .cse4 .cse4)))) is different from false [2020-12-02 15:14:40,289 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2020-12-02 15:14:40,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:14:40,291 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2020-12-02 15:14:40,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-02 15:14:40,291 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 13 [2020-12-02 15:14:40,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:14:40,291 INFO L225 Difference]: With dead ends: 14 [2020-12-02 15:14:40,292 INFO L226 Difference]: Without dead ends: 0 [2020-12-02 15:14:40,292 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 35.1s TimeCoverageRelationStatistics Valid=32, Invalid=66, Unknown=8, NotChecked=76, Total=182 [2020-12-02 15:14:40,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-02 15:14:40,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-02 15:14:40,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-02 15:14:40,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-02 15:14:40,293 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-12-02 15:14:40,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:14:40,293 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-02 15:14:40,294 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-02 15:14:40,294 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-02 15:14:40,294 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-02 15:14:40,497 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-02 15:14:40,501 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-02 15:14:43,329 WARN L197 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 47 DAG size of output: 7 [2020-12-02 15:15:02,540 WARN L197 SmtUtils]: Spent 19.08 s on a formula simplification. DAG size of input: 70 DAG size of output: 28 [2020-12-02 15:15:08,669 WARN L195 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2020-12-02 15:15:08,671 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:209) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:226) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:153) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:626) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:165) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:135) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter(HoareAnnotationComposer.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.(HoareAnnotationComposer.java:105) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeCFGHoareAnnotation(BasicCegarLoop.java:1052) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:198) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) ... 34 more [2020-12-02 15:15:08,678 INFO L168 Benchmark]: Toolchain (without parser) took 149717.10 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 24.8 MB in the beginning and 22.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. [2020-12-02 15:15:08,680 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 48.2 MB. Free memory was 30.7 MB in the beginning and 30.6 MB in the end (delta: 63.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:15:08,680 INFO L168 Benchmark]: CACSL2BoogieTranslator took 735.88 ms. Allocated memory is still 48.2 MB. Free memory was 24.6 MB in the beginning and 27.6 MB in the end (delta: -3.0 MB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. [2020-12-02 15:15:08,681 INFO L168 Benchmark]: Boogie Procedure Inliner took 155.45 ms. Allocated memory is still 48.2 MB. Free memory was 27.6 MB in the beginning and 22.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-02 15:15:08,682 INFO L168 Benchmark]: Boogie Preprocessor took 97.10 ms. Allocated memory is still 48.2 MB. Free memory was 22.6 MB in the beginning and 18.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:15:08,684 INFO L168 Benchmark]: RCFGBuilder took 29575.53 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 18.7 MB in the beginning and 22.7 MB in the end (delta: -4.0 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. [2020-12-02 15:15:08,684 INFO L168 Benchmark]: TraceAbstraction took 119141.56 ms. Allocated memory is still 60.8 MB. Free memory was 22.4 MB in the beginning and 22.9 MB in the end (delta: -508.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:15:08,689 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 48.2 MB. Free memory was 30.7 MB in the beginning and 30.6 MB in the end (delta: 63.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 735.88 ms. Allocated memory is still 48.2 MB. Free memory was 24.6 MB in the beginning and 27.6 MB in the end (delta: -3.0 MB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 155.45 ms. Allocated memory is still 48.2 MB. Free memory was 27.6 MB in the beginning and 22.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 97.10 ms. Allocated memory is still 48.2 MB. Free memory was 22.6 MB in the beginning and 18.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 29575.53 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 18.7 MB in the beginning and 22.7 MB in the end (delta: -4.0 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 119141.56 ms. Allocated memory is still 60.8 MB. Free memory was 22.4 MB in the beginning and 22.9 MB in the end (delta: -508.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...