./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0480.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0480.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d52986c59e68ce8d16e7f783a8a5ec11939c887c ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0480.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d52986c59e68ce8d16e7f783a8a5ec11939c887c ................................................................................................................................................................................................................................................................................................................ 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 0.1.25-8bd4bc6 [2020-07-28 17:34:12,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:34:12,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:34:12,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:34:12,557 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:34:12,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:34:12,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:34:12,562 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:34:12,564 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:34:12,565 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:34:12,566 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:34:12,567 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:34:12,567 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:34:12,569 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:34:12,570 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:34:12,571 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:34:12,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:34:12,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:34:12,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:34:12,577 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:34:12,578 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:34:12,579 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:34:12,580 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:34:12,581 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:34:12,584 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:34:12,584 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:34:12,585 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:34:12,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:34:12,586 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:34:12,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:34:12,587 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:34:12,588 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:34:12,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:34:12,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:34:12,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:34:12,591 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:34:12,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:34:12,593 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:34:12,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:34:12,594 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:34:12,595 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:34:12,599 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 17:34:12,614 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:34:12,614 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:34:12,615 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:34:12,616 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:34:12,616 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:34:12,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:34:12,617 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:34:12,617 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 17:34:12,617 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:34:12,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:34:12,618 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:34:12,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:34:12,618 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:34:12,618 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:34:12,619 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:34:12,619 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:34:12,619 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:34:12,620 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:34:12,620 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:34:12,620 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:34:12,620 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:34:12,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:34:12,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:34:12,621 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:34:12,622 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:34:12,622 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 17:34:12,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 17:34:12,622 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:34:12,623 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:34:12,623 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_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 -> d52986c59e68ce8d16e7f783a8a5ec11939c887c [2020-07-28 17:34:12,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:34:12,981 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:34:12,985 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:34:12,987 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:34:12,987 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:34:12,988 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0480.c [2020-07-28 17:34:13,050 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e649a554f/35929c7e00da413ca227954c50f3ba02/FLAG309c01f81 [2020-07-28 17:34:13,508 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:34:13,510 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0480.c [2020-07-28 17:34:13,525 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e649a554f/35929c7e00da413ca227954c50f3ba02/FLAG309c01f81 [2020-07-28 17:34:13,830 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e649a554f/35929c7e00da413ca227954c50f3ba02 [2020-07-28 17:34:13,834 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:34:13,837 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:34:13,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:34:13,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:34:13,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:34:13,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:34:13" (1/1) ... [2020-07-28 17:34:13,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f86c9de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:13, skipping insertion in model container [2020-07-28 17:34:13,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:34:13" (1/1) ... [2020-07-28 17:34:13,859 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:34:13,887 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:34:14,140 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:34:14,153 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:34:14,306 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:34:14,338 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:34:14,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:14 WrapperNode [2020-07-28 17:34:14,339 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:34:14,341 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:34:14,341 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:34:14,341 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:34:14,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:14" (1/1) ... [2020-07-28 17:34:14,387 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:14" (1/1) ... [2020-07-28 17:34:14,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:34:14,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:34:14,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:34:14,453 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:34:14,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:14" (1/1) ... [2020-07-28 17:34:14,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:14" (1/1) ... [2020-07-28 17:34:14,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:14" (1/1) ... [2020-07-28 17:34:14,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:14" (1/1) ... [2020-07-28 17:34:14,494 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:14" (1/1) ... [2020-07-28 17:34:14,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:14" (1/1) ... [2020-07-28 17:34:14,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:14" (1/1) ... [2020-07-28 17:34:14,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:34:14,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:34:14,516 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:34:14,516 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:34:14,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:14" (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 [2020-07-28 17:34:14,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 17:34:14,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-28 17:34:14,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 17:34:14,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-28 17:34:14,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:34:14,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:34:14,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-28 17:34:14,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 17:34:15,719 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:34:15,720 INFO L295 CfgBuilder]: Removed 36 assume(true) statements. [2020-07-28 17:34:15,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:34:15 BoogieIcfgContainer [2020-07-28 17:34:15,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:34:15,727 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:34:15,728 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:34:15,731 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:34:15,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:34:13" (1/3) ... [2020-07-28 17:34:15,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55bd8e72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:34:15, skipping insertion in model container [2020-07-28 17:34:15,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:14" (2/3) ... [2020-07-28 17:34:15,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55bd8e72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:34:15, skipping insertion in model container [2020-07-28 17:34:15,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:34:15" (3/3) ... [2020-07-28 17:34:15,735 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0480.c [2020-07-28 17:34:15,746 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:34:15,754 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:34:15,768 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:34:15,793 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:34:15,793 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:34:15,793 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:34:15,794 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:34:15,794 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:34:15,794 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:34:15,795 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:34:15,795 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:34:15,813 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states. [2020-07-28 17:34:15,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-28 17:34:15,818 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:34:15,819 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:34:15,819 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:34:15,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:34:15,825 INFO L82 PathProgramCache]: Analyzing trace with hash 2057066253, now seen corresponding path program 1 times [2020-07-28 17:34:15,834 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:34:15,834 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200640493] [2020-07-28 17:34:15,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:34:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:34:15,996 INFO L280 TraceCheckUtils]: 0: Hoare triple {111#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~one_sqrt~0 := 1.0;~tiny_sqrt~0 := 1.0E-300;~one_acos~0 := 1.0;~pi~0 := 3.141592653589793;~pio2_hi_acos~0 := 1.5707963267948966;~pio2_lo_acos~0 := 6.123233995736766E-17;~pS0_acos~0 := 0.16666666666666666;~pS1_acos~0 := ~someUnaryDOUBLEoperation(0.3255658186224009);~pS2_acos~0 := 0.20121253213486293;~pS3_acos~0 := ~someUnaryDOUBLEoperation(0.04005553450067941);~pS4_acos~0 := 7.915349942898145E-4;~pS5_acos~0 := 3.479331075960212E-5;~qS1_acos~0 := ~someUnaryDOUBLEoperation(2.403394911734414);~qS2_acos~0 := 2.0209457602335057;~qS3_acos~0 := ~someUnaryDOUBLEoperation(0.6882839716054533);~qS4_acos~0 := 0.07703815055590194; {111#true} is VALID [2020-07-28 17:34:15,996 INFO L280 TraceCheckUtils]: 1: Hoare triple {111#true} havoc main_#res;havoc main_#t~ret17, main_#t~ret18, main_#t~short19, main_~x~0, main_~res~0;main_~x~0 := 1.0;__ieee754_acos_#in~x := main_~x~0;havoc __ieee754_acos_#res;havoc __ieee754_acos_#t~mem9, __ieee754_acos_#t~union10, __ieee754_acos_~#gh_u~1.base, __ieee754_acos_~#gh_u~1.offset, __ieee754_acos_#t~mem11, __ieee754_acos_#t~union12, __ieee754_acos_~#gl_u~0.base, __ieee754_acos_~#gl_u~0.offset, __ieee754_acos_~lx~0, __ieee754_acos_#t~ret13, __ieee754_acos_#t~ret14, __ieee754_acos_#t~mem15, __ieee754_acos_#t~union16.lsw, __ieee754_acos_#t~union16.msw, __ieee754_acos_~#sl_u~0.base, __ieee754_acos_~#sl_u~0.offset, __ieee754_acos_~x, __ieee754_acos_~z~1, __ieee754_acos_~p~0, __ieee754_acos_~q~1, __ieee754_acos_~r~1, __ieee754_acos_~w~0, __ieee754_acos_~s~0, __ieee754_acos_~c~0, __ieee754_acos_~df~0, __ieee754_acos_~hx~0, __ieee754_acos_~ix~0;__ieee754_acos_~x := __ieee754_acos_#in~x;havoc __ieee754_acos_~z~1;havoc __ieee754_acos_~p~0;havoc __ieee754_acos_~q~1;havoc __ieee754_acos_~r~1;havoc __ieee754_acos_~w~0;havoc __ieee754_acos_~s~0;havoc __ieee754_acos_~c~0;havoc __ieee754_acos_~df~0;havoc __ieee754_acos_~hx~0;havoc __ieee754_acos_~ix~0; {111#true} is VALID [2020-07-28 17:34:15,998 INFO L280 TraceCheckUtils]: 2: Hoare triple {111#true} assume !true; {112#false} is VALID [2020-07-28 17:34:15,998 INFO L280 TraceCheckUtils]: 3: Hoare triple {112#false} __ieee754_acos_~ix~0 := ~bitwiseAnd(__ieee754_acos_~hx~0, 2147483647); {112#false} is VALID [2020-07-28 17:34:15,999 INFO L280 TraceCheckUtils]: 4: Hoare triple {112#false} assume __ieee754_acos_~ix~0 >= 1072693248;havoc __ieee754_acos_~lx~0; {112#false} is VALID [2020-07-28 17:34:15,999 INFO L280 TraceCheckUtils]: 5: Hoare triple {112#false} assume !true; {112#false} is VALID [2020-07-28 17:34:16,000 INFO L280 TraceCheckUtils]: 6: Hoare triple {112#false} assume !(0 == ~bitwiseOr(__ieee754_acos_~ix~0 - 1072693248, __ieee754_acos_~lx~0) % 4294967296);__ieee754_acos_#res := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(__ieee754_acos_~x, __ieee754_acos_~x), ~someBinaryArithmeticDOUBLEoperation(__ieee754_acos_~x, __ieee754_acos_~x)); {112#false} is VALID [2020-07-28 17:34:16,000 INFO L280 TraceCheckUtils]: 7: Hoare triple {112#false} main_#t~ret17 := __ieee754_acos_#res;main_~res~0 := main_#t~ret17;havoc main_#t~ret17;main_#t~short19 := ~someBinaryDOUBLEComparisonOperation(main_~res~0, 0.0); {112#false} is VALID [2020-07-28 17:34:16,001 INFO L280 TraceCheckUtils]: 8: Hoare triple {112#false} assume !main_#t~short19; {112#false} is VALID [2020-07-28 17:34:16,001 INFO L280 TraceCheckUtils]: 9: Hoare triple {112#false} assume !main_#t~short19;havoc main_#t~ret18;havoc main_#t~short19; {112#false} is VALID [2020-07-28 17:34:16,001 INFO L280 TraceCheckUtils]: 10: Hoare triple {112#false} assume !false; {112#false} is VALID [2020-07-28 17:34:16,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:34:16,005 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200640493] [2020-07-28 17:34:16,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:34:16,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 17:34:16,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462738358] [2020-07-28 17:34:16,014 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-07-28 17:34:16,016 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:34:16,020 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 17:34:16,046 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:34:16,047 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 17:34:16,047 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 17:34:16,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 17:34:16,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:34:16,059 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 2 states. [2020-07-28 17:34:16,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:34:16,323 INFO L93 Difference]: Finished difference Result 214 states and 356 transitions. [2020-07-28 17:34:16,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 17:34:16,323 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-07-28 17:34:16,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:34:16,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:34:16,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 356 transitions. [2020-07-28 17:34:16,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:34:16,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 356 transitions. [2020-07-28 17:34:16,347 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 356 transitions. [2020-07-28 17:34:16,866 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 356 edges. 356 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:34:16,883 INFO L225 Difference]: With dead ends: 214 [2020-07-28 17:34:16,883 INFO L226 Difference]: Without dead ends: 105 [2020-07-28 17:34:16,887 INFO L675 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 [2020-07-28 17:34:16,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-07-28 17:34:16,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2020-07-28 17:34:16,941 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:34:16,942 INFO L82 GeneralOperation]: Start isEquivalent. First operand 105 states. Second operand 105 states. [2020-07-28 17:34:16,943 INFO L74 IsIncluded]: Start isIncluded. First operand 105 states. Second operand 105 states. [2020-07-28 17:34:16,943 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 105 states. [2020-07-28 17:34:16,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:34:16,953 INFO L93 Difference]: Finished difference Result 105 states and 151 transitions. [2020-07-28 17:34:16,953 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 151 transitions. [2020-07-28 17:34:16,954 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:34:16,955 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:34:16,955 INFO L74 IsIncluded]: Start isIncluded. First operand 105 states. Second operand 105 states. [2020-07-28 17:34:16,955 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 105 states. [2020-07-28 17:34:16,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:34:16,963 INFO L93 Difference]: Finished difference Result 105 states and 151 transitions. [2020-07-28 17:34:16,964 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 151 transitions. [2020-07-28 17:34:16,965 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:34:16,965 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:34:16,965 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:34:16,966 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:34:16,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-07-28 17:34:16,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 151 transitions. [2020-07-28 17:34:16,974 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 151 transitions. Word has length 11 [2020-07-28 17:34:16,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:34:16,975 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 151 transitions. [2020-07-28 17:34:16,975 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 17:34:16,975 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 151 transitions. [2020-07-28 17:34:16,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-28 17:34:16,976 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:34:16,976 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:34:16,977 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 17:34:16,977 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:34:16,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:34:16,978 INFO L82 PathProgramCache]: Analyzing trace with hash -1327273670, now seen corresponding path program 1 times [2020-07-28 17:34:16,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:34:16,978 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937522004] [2020-07-28 17:34:16,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:34:17,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 17:34:17,035 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 17:34:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 17:34:17,087 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 17:34:17,138 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 17:34:17,141 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 17:34:17,143 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 17:34:17,189 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 17:34:17,190 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 17:34:17,190 WARN L170 areAnnotationChecker]: L158-2 has no Hoare annotation [2020-07-28 17:34:17,190 WARN L170 areAnnotationChecker]: L158-2 has no Hoare annotation [2020-07-28 17:34:17,191 WARN L170 areAnnotationChecker]: L158-1 has no Hoare annotation [2020-07-28 17:34:17,191 WARN L170 areAnnotationChecker]: L158-1 has no Hoare annotation [2020-07-28 17:34:17,191 WARN L170 areAnnotationChecker]: L158-3 has no Hoare annotation [2020-07-28 17:34:17,191 WARN L170 areAnnotationChecker]: L164 has no Hoare annotation [2020-07-28 17:34:17,192 WARN L170 areAnnotationChecker]: L164 has no Hoare annotation [2020-07-28 17:34:17,192 WARN L170 areAnnotationChecker]: L166-2 has no Hoare annotation [2020-07-28 17:34:17,192 WARN L170 areAnnotationChecker]: L166-2 has no Hoare annotation [2020-07-28 17:34:17,192 WARN L170 areAnnotationChecker]: L179 has no Hoare annotation [2020-07-28 17:34:17,193 WARN L170 areAnnotationChecker]: L179 has no Hoare annotation [2020-07-28 17:34:17,193 WARN L170 areAnnotationChecker]: L166-1 has no Hoare annotation [2020-07-28 17:34:17,193 WARN L170 areAnnotationChecker]: L166-1 has no Hoare annotation [2020-07-28 17:34:17,193 WARN L170 areAnnotationChecker]: L166-3 has no Hoare annotation [2020-07-28 17:34:17,194 WARN L170 areAnnotationChecker]: L166-3 has no Hoare annotation [2020-07-28 17:34:17,194 WARN L170 areAnnotationChecker]: L180 has no Hoare annotation [2020-07-28 17:34:17,194 WARN L170 areAnnotationChecker]: L180 has no Hoare annotation [2020-07-28 17:34:17,194 WARN L170 areAnnotationChecker]: L191 has no Hoare annotation [2020-07-28 17:34:17,195 WARN L170 areAnnotationChecker]: L191 has no Hoare annotation [2020-07-28 17:34:17,195 WARN L170 areAnnotationChecker]: L172 has no Hoare annotation [2020-07-28 17:34:17,195 WARN L170 areAnnotationChecker]: L172 has no Hoare annotation [2020-07-28 17:34:17,195 WARN L170 areAnnotationChecker]: L222 has no Hoare annotation [2020-07-28 17:34:17,196 WARN L170 areAnnotationChecker]: L36-2 has no Hoare annotation [2020-07-28 17:34:17,196 WARN L170 areAnnotationChecker]: L36-2 has no Hoare annotation [2020-07-28 17:34:17,196 WARN L170 areAnnotationChecker]: L36-6 has no Hoare annotation [2020-07-28 17:34:17,196 WARN L170 areAnnotationChecker]: L36-6 has no Hoare annotation [2020-07-28 17:34:17,196 WARN L170 areAnnotationChecker]: L236 has no Hoare annotation [2020-07-28 17:34:17,197 WARN L170 areAnnotationChecker]: L236 has no Hoare annotation [2020-07-28 17:34:17,197 WARN L170 areAnnotationChecker]: L36-1 has no Hoare annotation [2020-07-28 17:34:17,197 WARN L170 areAnnotationChecker]: L36-1 has no Hoare annotation [2020-07-28 17:34:17,197 WARN L170 areAnnotationChecker]: L36-3 has no Hoare annotation [2020-07-28 17:34:17,198 WARN L170 areAnnotationChecker]: L36-3 has no Hoare annotation [2020-07-28 17:34:17,198 WARN L170 areAnnotationChecker]: L36-5 has no Hoare annotation [2020-07-28 17:34:17,198 WARN L170 areAnnotationChecker]: L36-5 has no Hoare annotation [2020-07-28 17:34:17,198 WARN L170 areAnnotationChecker]: L36-7 has no Hoare annotation [2020-07-28 17:34:17,198 WARN L170 areAnnotationChecker]: L36-7 has no Hoare annotation [2020-07-28 17:34:17,199 WARN L170 areAnnotationChecker]: L19-2 has no Hoare annotation [2020-07-28 17:34:17,199 WARN L170 areAnnotationChecker]: L19-2 has no Hoare annotation [2020-07-28 17:34:17,199 WARN L170 areAnnotationChecker]: L236-2 has no Hoare annotation [2020-07-28 17:34:17,199 WARN L170 areAnnotationChecker]: L236-2 has no Hoare annotation [2020-07-28 17:34:17,200 WARN L170 areAnnotationChecker]: L137 has no Hoare annotation [2020-07-28 17:34:17,200 WARN L170 areAnnotationChecker]: L47 has no Hoare annotation [2020-07-28 17:34:17,200 WARN L170 areAnnotationChecker]: L47 has no Hoare annotation [2020-07-28 17:34:17,200 WARN L170 areAnnotationChecker]: L137-1 has no Hoare annotation [2020-07-28 17:34:17,200 WARN L170 areAnnotationChecker]: L47-3 has no Hoare annotation [2020-07-28 17:34:17,201 WARN L170 areAnnotationChecker]: L47-3 has no Hoare annotation [2020-07-28 17:34:17,201 WARN L170 areAnnotationChecker]: L19-1 has no Hoare annotation [2020-07-28 17:34:17,201 WARN L170 areAnnotationChecker]: L19-1 has no Hoare annotation [2020-07-28 17:34:17,201 WARN L170 areAnnotationChecker]: L19-3 has no Hoare annotation [2020-07-28 17:34:17,202 WARN L170 areAnnotationChecker]: L237 has no Hoare annotation [2020-07-28 17:34:17,202 WARN L170 areAnnotationChecker]: L237 has no Hoare annotation [2020-07-28 17:34:17,202 WARN L170 areAnnotationChecker]: L241 has no Hoare annotation [2020-07-28 17:34:17,202 WARN L170 areAnnotationChecker]: L48 has no Hoare annotation [2020-07-28 17:34:17,203 WARN L170 areAnnotationChecker]: L48 has no Hoare annotation [2020-07-28 17:34:17,203 WARN L170 areAnnotationChecker]: L47-2 has no Hoare annotation [2020-07-28 17:34:17,203 WARN L170 areAnnotationChecker]: L207-2 has no Hoare annotation [2020-07-28 17:34:17,203 WARN L170 areAnnotationChecker]: L207-2 has no Hoare annotation [2020-07-28 17:34:17,203 WARN L170 areAnnotationChecker]: L48-1 has no Hoare annotation [2020-07-28 17:34:17,204 WARN L170 areAnnotationChecker]: L48-1 has no Hoare annotation [2020-07-28 17:34:17,204 WARN L170 areAnnotationChecker]: L47-5 has no Hoare annotation [2020-07-28 17:34:17,204 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-28 17:34:17,204 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:34:17,205 WARN L170 areAnnotationChecker]: L50 has no Hoare annotation [2020-07-28 17:34:17,205 WARN L170 areAnnotationChecker]: L50 has no Hoare annotation [2020-07-28 17:34:17,205 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 17:34:17,205 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 17:34:17,205 WARN L170 areAnnotationChecker]: L207-1 has no Hoare annotation [2020-07-28 17:34:17,206 WARN L170 areAnnotationChecker]: L207-1 has no Hoare annotation [2020-07-28 17:34:17,206 WARN L170 areAnnotationChecker]: L207-3 has no Hoare annotation [2020-07-28 17:34:17,206 WARN L170 areAnnotationChecker]: L50-1 has no Hoare annotation [2020-07-28 17:34:17,206 WARN L170 areAnnotationChecker]: L50-1 has no Hoare annotation [2020-07-28 17:34:17,207 WARN L170 areAnnotationChecker]: L55-3 has no Hoare annotation [2020-07-28 17:34:17,207 WARN L170 areAnnotationChecker]: L55-3 has no Hoare annotation [2020-07-28 17:34:17,207 WARN L170 areAnnotationChecker]: L56-2 has no Hoare annotation [2020-07-28 17:34:17,207 WARN L170 areAnnotationChecker]: L56-2 has no Hoare annotation [2020-07-28 17:34:17,208 WARN L170 areAnnotationChecker]: L56-2 has no Hoare annotation [2020-07-28 17:34:17,208 WARN L170 areAnnotationChecker]: L55-2 has no Hoare annotation [2020-07-28 17:34:17,208 WARN L170 areAnnotationChecker]: L56-6 has no Hoare annotation [2020-07-28 17:34:17,208 WARN L170 areAnnotationChecker]: L56-6 has no Hoare annotation [2020-07-28 17:34:17,208 WARN L170 areAnnotationChecker]: L56-6 has no Hoare annotation [2020-07-28 17:34:17,209 WARN L170 areAnnotationChecker]: L55-5 has no Hoare annotation [2020-07-28 17:34:17,209 WARN L170 areAnnotationChecker]: L56-3 has no Hoare annotation [2020-07-28 17:34:17,209 WARN L170 areAnnotationChecker]: L69 has no Hoare annotation [2020-07-28 17:34:17,209 WARN L170 areAnnotationChecker]: L69 has no Hoare annotation [2020-07-28 17:34:17,210 WARN L170 areAnnotationChecker]: L56-7 has no Hoare annotation [2020-07-28 17:34:17,210 WARN L170 areAnnotationChecker]: L69-3 has no Hoare annotation [2020-07-28 17:34:17,210 WARN L170 areAnnotationChecker]: L69-3 has no Hoare annotation [2020-07-28 17:34:17,210 WARN L170 areAnnotationChecker]: L61-3 has no Hoare annotation [2020-07-28 17:34:17,210 WARN L170 areAnnotationChecker]: L61-3 has no Hoare annotation [2020-07-28 17:34:17,211 WARN L170 areAnnotationChecker]: L61-3 has no Hoare annotation [2020-07-28 17:34:17,211 WARN L170 areAnnotationChecker]: L69-2 has no Hoare annotation [2020-07-28 17:34:17,211 WARN L170 areAnnotationChecker]: L61-8 has no Hoare annotation [2020-07-28 17:34:17,211 WARN L170 areAnnotationChecker]: L61-8 has no Hoare annotation [2020-07-28 17:34:17,212 WARN L170 areAnnotationChecker]: L61-8 has no Hoare annotation [2020-07-28 17:34:17,212 WARN L170 areAnnotationChecker]: L69-5 has no Hoare annotation [2020-07-28 17:34:17,212 WARN L170 areAnnotationChecker]: L61-4 has no Hoare annotation [2020-07-28 17:34:17,212 WARN L170 areAnnotationChecker]: L61-2 has no Hoare annotation [2020-07-28 17:34:17,212 WARN L170 areAnnotationChecker]: L80-2 has no Hoare annotation [2020-07-28 17:34:17,213 WARN L170 areAnnotationChecker]: L80-2 has no Hoare annotation [2020-07-28 17:34:17,213 WARN L170 areAnnotationChecker]: L80-2 has no Hoare annotation [2020-07-28 17:34:17,213 WARN L170 areAnnotationChecker]: L61-9 has no Hoare annotation [2020-07-28 17:34:17,213 WARN L170 areAnnotationChecker]: L61-7 has no Hoare annotation [2020-07-28 17:34:17,214 WARN L170 areAnnotationChecker]: L80-6 has no Hoare annotation [2020-07-28 17:34:17,214 WARN L170 areAnnotationChecker]: L80-6 has no Hoare annotation [2020-07-28 17:34:17,214 WARN L170 areAnnotationChecker]: L80-6 has no Hoare annotation [2020-07-28 17:34:17,214 WARN L170 areAnnotationChecker]: L80-3 has no Hoare annotation [2020-07-28 17:34:17,215 WARN L170 areAnnotationChecker]: L82 has no Hoare annotation [2020-07-28 17:34:17,215 WARN L170 areAnnotationChecker]: L82 has no Hoare annotation [2020-07-28 17:34:17,215 WARN L170 areAnnotationChecker]: L80-7 has no Hoare annotation [2020-07-28 17:34:17,215 WARN L170 areAnnotationChecker]: L82-3 has no Hoare annotation [2020-07-28 17:34:17,216 WARN L170 areAnnotationChecker]: L82-3 has no Hoare annotation [2020-07-28 17:34:17,216 WARN L170 areAnnotationChecker]: L93-2 has no Hoare annotation [2020-07-28 17:34:17,216 WARN L170 areAnnotationChecker]: L93-2 has no Hoare annotation [2020-07-28 17:34:17,216 WARN L170 areAnnotationChecker]: L93-2 has no Hoare annotation [2020-07-28 17:34:17,216 WARN L170 areAnnotationChecker]: L82-2 has no Hoare annotation [2020-07-28 17:34:17,217 WARN L170 areAnnotationChecker]: L93-6 has no Hoare annotation [2020-07-28 17:34:17,217 WARN L170 areAnnotationChecker]: L93-6 has no Hoare annotation [2020-07-28 17:34:17,217 WARN L170 areAnnotationChecker]: L93-6 has no Hoare annotation [2020-07-28 17:34:17,217 WARN L170 areAnnotationChecker]: L82-5 has no Hoare annotation [2020-07-28 17:34:17,218 WARN L170 areAnnotationChecker]: L93-3 has no Hoare annotation [2020-07-28 17:34:17,218 WARN L170 areAnnotationChecker]: L93-3 has no Hoare annotation [2020-07-28 17:34:17,218 WARN L170 areAnnotationChecker]: L96 has no Hoare annotation [2020-07-28 17:34:17,218 WARN L170 areAnnotationChecker]: L96 has no Hoare annotation [2020-07-28 17:34:17,218 WARN L170 areAnnotationChecker]: L93-7 has no Hoare annotation [2020-07-28 17:34:17,219 WARN L170 areAnnotationChecker]: L93-7 has no Hoare annotation [2020-07-28 17:34:17,219 WARN L170 areAnnotationChecker]: L96-3 has no Hoare annotation [2020-07-28 17:34:17,219 WARN L170 areAnnotationChecker]: L96-3 has no Hoare annotation [2020-07-28 17:34:17,219 WARN L170 areAnnotationChecker]: L113 has no Hoare annotation [2020-07-28 17:34:17,220 WARN L170 areAnnotationChecker]: L113 has no Hoare annotation [2020-07-28 17:34:17,220 WARN L170 areAnnotationChecker]: L111 has no Hoare annotation [2020-07-28 17:34:17,220 WARN L170 areAnnotationChecker]: L98 has no Hoare annotation [2020-07-28 17:34:17,220 WARN L170 areAnnotationChecker]: L98 has no Hoare annotation [2020-07-28 17:34:17,221 WARN L170 areAnnotationChecker]: L96-2 has no Hoare annotation [2020-07-28 17:34:17,221 WARN L170 areAnnotationChecker]: L113-2 has no Hoare annotation [2020-07-28 17:34:17,221 WARN L170 areAnnotationChecker]: L113-2 has no Hoare annotation [2020-07-28 17:34:17,221 WARN L170 areAnnotationChecker]: L111-1 has no Hoare annotation [2020-07-28 17:34:17,221 WARN L170 areAnnotationChecker]: L98-3 has no Hoare annotation [2020-07-28 17:34:17,222 WARN L170 areAnnotationChecker]: L98-3 has no Hoare annotation [2020-07-28 17:34:17,222 WARN L170 areAnnotationChecker]: L96-5 has no Hoare annotation [2020-07-28 17:34:17,222 WARN L170 areAnnotationChecker]: L115 has no Hoare annotation [2020-07-28 17:34:17,222 WARN L170 areAnnotationChecker]: L115 has no Hoare annotation [2020-07-28 17:34:17,223 WARN L170 areAnnotationChecker]: L128 has no Hoare annotation [2020-07-28 17:34:17,223 WARN L170 areAnnotationChecker]: L128 has no Hoare annotation [2020-07-28 17:34:17,223 WARN L170 areAnnotationChecker]: L98-2 has no Hoare annotation [2020-07-28 17:34:17,223 WARN L170 areAnnotationChecker]: L115-2 has no Hoare annotation [2020-07-28 17:34:17,224 WARN L170 areAnnotationChecker]: L115-2 has no Hoare annotation [2020-07-28 17:34:17,224 WARN L170 areAnnotationChecker]: L128-3 has no Hoare annotation [2020-07-28 17:34:17,224 WARN L170 areAnnotationChecker]: L128-3 has no Hoare annotation [2020-07-28 17:34:17,224 WARN L170 areAnnotationChecker]: L98-5 has no Hoare annotation [2020-07-28 17:34:17,225 WARN L170 areAnnotationChecker]: L118 has no Hoare annotation [2020-07-28 17:34:17,225 WARN L170 areAnnotationChecker]: L118 has no Hoare annotation [2020-07-28 17:34:17,225 WARN L170 areAnnotationChecker]: L128-2 has no Hoare annotation [2020-07-28 17:34:17,225 WARN L170 areAnnotationChecker]: L101 has no Hoare annotation [2020-07-28 17:34:17,225 WARN L170 areAnnotationChecker]: L101 has no Hoare annotation [2020-07-28 17:34:17,226 WARN L170 areAnnotationChecker]: L118-3 has no Hoare annotation [2020-07-28 17:34:17,226 WARN L170 areAnnotationChecker]: L118-3 has no Hoare annotation [2020-07-28 17:34:17,226 WARN L170 areAnnotationChecker]: L128-5 has no Hoare annotation [2020-07-28 17:34:17,226 WARN L170 areAnnotationChecker]: L101-3 has no Hoare annotation [2020-07-28 17:34:17,226 WARN L170 areAnnotationChecker]: L101-3 has no Hoare annotation [2020-07-28 17:34:17,227 WARN L170 areAnnotationChecker]: L119 has no Hoare annotation [2020-07-28 17:34:17,227 WARN L170 areAnnotationChecker]: L119 has no Hoare annotation [2020-07-28 17:34:17,227 WARN L170 areAnnotationChecker]: L131-2 has no Hoare annotation [2020-07-28 17:34:17,227 WARN L170 areAnnotationChecker]: L131-2 has no Hoare annotation [2020-07-28 17:34:17,228 WARN L170 areAnnotationChecker]: L101-2 has no Hoare annotation [2020-07-28 17:34:17,228 WARN L170 areAnnotationChecker]: L119-3 has no Hoare annotation [2020-07-28 17:34:17,228 WARN L170 areAnnotationChecker]: L119-3 has no Hoare annotation [2020-07-28 17:34:17,228 WARN L170 areAnnotationChecker]: L131-6 has no Hoare annotation [2020-07-28 17:34:17,228 WARN L170 areAnnotationChecker]: L131-6 has no Hoare annotation [2020-07-28 17:34:17,229 WARN L170 areAnnotationChecker]: L101-5 has no Hoare annotation [2020-07-28 17:34:17,229 WARN L170 areAnnotationChecker]: L119-2 has no Hoare annotation [2020-07-28 17:34:17,229 WARN L170 areAnnotationChecker]: L131-1 has no Hoare annotation [2020-07-28 17:34:17,229 WARN L170 areAnnotationChecker]: L131-1 has no Hoare annotation [2020-07-28 17:34:17,230 WARN L170 areAnnotationChecker]: L131-3 has no Hoare annotation [2020-07-28 17:34:17,230 WARN L170 areAnnotationChecker]: L119-5 has no Hoare annotation [2020-07-28 17:34:17,230 WARN L170 areAnnotationChecker]: L131-5 has no Hoare annotation [2020-07-28 17:34:17,230 WARN L170 areAnnotationChecker]: L131-5 has no Hoare annotation [2020-07-28 17:34:17,230 WARN L170 areAnnotationChecker]: L131-7 has no Hoare annotation [2020-07-28 17:34:17,231 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 17:34:17,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 05:34:17 BoogieIcfgContainer [2020-07-28 17:34:17,234 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 17:34:17,235 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 17:34:17,235 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 17:34:17,235 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 17:34:17,236 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:34:15" (3/4) ... [2020-07-28 17:34:17,240 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-28 17:34:17,241 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 17:34:17,244 INFO L168 Benchmark]: Toolchain (without parser) took 3407.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 956.2 MB in the beginning and 837.1 MB in the end (delta: 119.1 MB). Peak memory consumption was 217.1 MB. Max. memory is 11.5 GB. [2020-07-28 17:34:17,245 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:34:17,246 INFO L168 Benchmark]: CACSL2BoogieTranslator took 500.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -130.8 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2020-07-28 17:34:17,247 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2020-07-28 17:34:17,248 INFO L168 Benchmark]: Boogie Preprocessor took 62.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. [2020-07-28 17:34:17,249 INFO L168 Benchmark]: RCFGBuilder took 1210.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 983.2 MB in the end (delta: 88.3 MB). Peak memory consumption was 88.3 MB. Max. memory is 11.5 GB. [2020-07-28 17:34:17,250 INFO L168 Benchmark]: TraceAbstraction took 1506.79 ms. Allocated memory is still 1.1 GB. Free memory was 983.2 MB in the beginning and 844.0 MB in the end (delta: 139.2 MB). Peak memory consumption was 139.2 MB. Max. memory is 11.5 GB. [2020-07-28 17:34:17,250 INFO L168 Benchmark]: Witness Printer took 6.04 ms. Allocated memory is still 1.1 GB. Free memory was 844.0 MB in the beginning and 837.1 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2020-07-28 17:34:17,255 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 500.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -130.8 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 111.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1210.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 983.2 MB in the end (delta: 88.3 MB). Peak memory consumption was 88.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1506.79 ms. Allocated memory is still 1.1 GB. Free memory was 983.2 MB in the beginning and 844.0 MB in the end (delta: 139.2 MB). Peak memory consumption was 139.2 MB. Max. memory is 11.5 GB. * Witness Printer took 6.04 ms. Allocated memory is still 1.1 GB. Free memory was 844.0 MB in the beginning and 837.1 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 237]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 145, overapproximation of bitwiseAnd at line 163, overapproximation of someBinaryArithmeticDOUBLEoperation at line 181, overapproximation of someBinaryDOUBLEComparisonOperation at line 236. Possible FailurePath: [L28] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L140-L153] 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 [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] [L232] double x = 1.0; [L156] double z, p, q, r, w, s, c, df; [L157] __int32_t hx, ix; VAL [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] [L159] ieee_double_shape_type gh_u; [L160] gh_u.value = (x) [L161] EXPR gh_u.parts.msw [L161] (hx) = gh_u.parts.msw [L163] ix = hx & 0x7fffffff VAL [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] [L164] COND FALSE !(ix >= 0x3ff00000) VAL [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] [L179] COND TRUE ix < 0x3fe00000 VAL [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] [L180] COND TRUE ix <= 0x3c600000 [L181] return pio2_hi_acos + pio2_lo_acos; VAL [one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, 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] [L233] double res = __ieee754_acos(x); [L236] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [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] [L236] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L237] __VERIFIER_error() VAL [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, 108 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 154 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=108occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 17:34:19,362 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:34:19,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:34:19,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:34:19,377 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:34:19,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:34:19,380 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:34:19,382 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:34:19,384 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:34:19,386 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:34:19,387 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:34:19,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:34:19,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:34:19,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:34:19,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:34:19,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:34:19,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:34:19,394 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:34:19,396 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:34:19,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:34:19,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:34:19,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:34:19,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:34:19,404 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:34:19,407 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:34:19,407 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:34:19,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:34:19,408 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:34:19,409 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:34:19,410 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:34:19,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:34:19,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:34:19,412 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:34:19,413 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:34:19,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:34:19,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:34:19,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:34:19,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:34:19,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:34:19,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:34:19,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:34:19,419 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-07-28 17:34:19,434 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:34:19,435 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:34:19,436 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:34:19,437 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:34:19,437 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:34:19,437 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:34:19,437 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:34:19,438 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:34:19,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:34:19,438 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:34:19,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:34:19,439 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:34:19,439 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-07-28 17:34:19,439 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-07-28 17:34:19,440 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:34:19,440 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:34:19,440 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:34:19,440 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:34:19,441 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:34:19,441 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:34:19,441 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:34:19,442 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:34:19,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:34:19,442 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:34:19,443 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:34:19,443 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:34:19,443 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-07-28 17:34:19,443 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-07-28 17:34:19,444 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:34:19,444 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:34:19,444 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-28 17:34:19,444 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_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 -> d52986c59e68ce8d16e7f783a8a5ec11939c887c [2020-07-28 17:34:19,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:34:19,779 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:34:19,783 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:34:19,784 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:34:19,785 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:34:19,786 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0480.c [2020-07-28 17:34:19,851 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d67b65186/8bc333c974554f0dba1392344c045816/FLAG7f7a582dd [2020-07-28 17:34:20,337 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:34:20,338 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0480.c [2020-07-28 17:34:20,347 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d67b65186/8bc333c974554f0dba1392344c045816/FLAG7f7a582dd [2020-07-28 17:34:20,666 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d67b65186/8bc333c974554f0dba1392344c045816 [2020-07-28 17:34:20,669 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:34:20,673 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:34:20,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:34:20,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:34:20,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:34:20,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:34:20" (1/1) ... [2020-07-28 17:34:20,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6bbc95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:20, skipping insertion in model container [2020-07-28 17:34:20,684 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:34:20" (1/1) ... [2020-07-28 17:34:20,692 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:34:20,741 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:34:21,012 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:34:21,021 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:34:21,168 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:34:21,202 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:34:21,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:21 WrapperNode [2020-07-28 17:34:21,203 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:34:21,204 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:34:21,204 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:34:21,204 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:34:21,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:21" (1/1) ... [2020-07-28 17:34:21,235 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:21" (1/1) ... [2020-07-28 17:34:21,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:34:21,312 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:34:21,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:34:21,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:34:21,329 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:21" (1/1) ... [2020-07-28 17:34:21,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:21" (1/1) ... [2020-07-28 17:34:21,338 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:21" (1/1) ... [2020-07-28 17:34:21,339 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:21" (1/1) ... [2020-07-28 17:34:21,362 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:21" (1/1) ... [2020-07-28 17:34:21,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:21" (1/1) ... [2020-07-28 17:34:21,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:21" (1/1) ... [2020-07-28 17:34:21,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:34:21,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:34:21,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:34:21,386 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:34:21,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:21" (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 [2020-07-28 17:34:21,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-07-28 17:34:21,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-07-28 17:34:21,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 17:34:21,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-07-28 17:34:21,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:34:21,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:34:21,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-07-28 17:34:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 17:34:46,634 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:34:46,635 INFO L295 CfgBuilder]: Removed 36 assume(true) statements. [2020-07-28 17:34:46,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:34:46 BoogieIcfgContainer [2020-07-28 17:34:46,641 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:34:46,643 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:34:46,643 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:34:46,647 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:34:46,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:34:20" (1/3) ... [2020-07-28 17:34:46,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a4fdc0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:34:46, skipping insertion in model container [2020-07-28 17:34:46,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:21" (2/3) ... [2020-07-28 17:34:46,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a4fdc0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:34:46, skipping insertion in model container [2020-07-28 17:34:46,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:34:46" (3/3) ... [2020-07-28 17:34:46,653 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0480.c [2020-07-28 17:34:46,664 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:34:46,673 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:34:46,688 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:34:46,715 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:34:46,716 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:34:46,716 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:34:46,716 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:34:46,717 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:34:46,717 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:34:46,717 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:34:46,718 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:34:46,739 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states. [2020-07-28 17:34:46,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-28 17:34:46,747 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:34:46,748 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:34:46,749 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:34:46,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:34:46,756 INFO L82 PathProgramCache]: Analyzing trace with hash 2057066253, now seen corresponding path program 1 times [2020-07-28 17:34:46,769 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:34:46,770 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1747886137] [2020-07-28 17:34:46,770 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 [2020-07-28 17:34:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:34:47,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-28 17:34:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:34:47,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:34:47,745 INFO L280 TraceCheckUtils]: 0: Hoare triple {111#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~one_sqrt~0 := ~to_fp~DOUBLE(currentRoundingMode, 1.0);~tiny_sqrt~0 := ~to_fp~DOUBLE(currentRoundingMode, 1.0E-300);~one_acos~0 := ~to_fp~DOUBLE(currentRoundingMode, 1.0);~pi~0 := ~to_fp~DOUBLE(currentRoundingMode, 3.141592653589793);~pio2_hi_acos~0 := ~to_fp~DOUBLE(currentRoundingMode, 1.5707963267948966);~pio2_lo_acos~0 := ~to_fp~DOUBLE(currentRoundingMode, 6.123233995736766E-17);~pS0_acos~0 := ~to_fp~DOUBLE(currentRoundingMode, 0.16666666666666666);~pS1_acos~0 := ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.3255658186224009));~pS2_acos~0 := ~to_fp~DOUBLE(currentRoundingMode, 0.20121253213486293);~pS3_acos~0 := ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.04005553450067941));~pS4_acos~0 := ~to_fp~DOUBLE(currentRoundingMode, 7.915349942898145E-4);~pS5_acos~0 := ~to_fp~DOUBLE(currentRoundingMode, 3.479331075960212E-5);~qS1_acos~0 := ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 2.403394911734414));~qS2_acos~0 := ~to_fp~DOUBLE(currentRoundingMode, 2.0209457602335057);~qS3_acos~0 := ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.6882839716054533));~qS4_acos~0 := ~to_fp~DOUBLE(currentRoundingMode, 0.07703815055590194); {111#true} is VALID [2020-07-28 17:34:47,746 INFO L280 TraceCheckUtils]: 1: Hoare triple {111#true} havoc main_#res;havoc main_#t~ret17, main_#t~ret18, main_#t~short19, main_~x~0, main_~res~0;main_~x~0 := ~to_fp~DOUBLE(currentRoundingMode, 1.0);__ieee754_acos_#in~x := main_~x~0;havoc __ieee754_acos_#res;havoc __ieee754_acos_#t~mem9, __ieee754_acos_#t~union10, __ieee754_acos_~#gh_u~1.base, __ieee754_acos_~#gh_u~1.offset, __ieee754_acos_#t~mem11, __ieee754_acos_#t~union12, __ieee754_acos_~#gl_u~0.base, __ieee754_acos_~#gl_u~0.offset, __ieee754_acos_~lx~0, __ieee754_acos_#t~ret13, __ieee754_acos_#t~ret14, __ieee754_acos_#t~mem15, __ieee754_acos_#t~union16.lsw, __ieee754_acos_#t~union16.msw, __ieee754_acos_~#sl_u~0.base, __ieee754_acos_~#sl_u~0.offset, __ieee754_acos_~x, __ieee754_acos_~z~1, __ieee754_acos_~p~0, __ieee754_acos_~q~1, __ieee754_acos_~r~1, __ieee754_acos_~w~0, __ieee754_acos_~s~0, __ieee754_acos_~c~0, __ieee754_acos_~df~0, __ieee754_acos_~hx~0, __ieee754_acos_~ix~0;__ieee754_acos_~x := __ieee754_acos_#in~x;havoc __ieee754_acos_~z~1;havoc __ieee754_acos_~p~0;havoc __ieee754_acos_~q~1;havoc __ieee754_acos_~r~1;havoc __ieee754_acos_~w~0;havoc __ieee754_acos_~s~0;havoc __ieee754_acos_~c~0;havoc __ieee754_acos_~df~0;havoc __ieee754_acos_~hx~0;havoc __ieee754_acos_~ix~0; {111#true} is VALID [2020-07-28 17:34:47,747 INFO L280 TraceCheckUtils]: 2: Hoare triple {111#true} assume !true; {112#false} is VALID [2020-07-28 17:34:47,747 INFO L280 TraceCheckUtils]: 3: Hoare triple {112#false} __ieee754_acos_~ix~0 := ~bvand32(2147483647bv32, __ieee754_acos_~hx~0); {112#false} is VALID [2020-07-28 17:34:47,748 INFO L280 TraceCheckUtils]: 4: Hoare triple {112#false} assume ~bvsge32(__ieee754_acos_~ix~0, 1072693248bv32);havoc __ieee754_acos_~lx~0; {112#false} is VALID [2020-07-28 17:34:47,748 INFO L280 TraceCheckUtils]: 5: Hoare triple {112#false} assume !true; {112#false} is VALID [2020-07-28 17:34:47,748 INFO L280 TraceCheckUtils]: 6: Hoare triple {112#false} assume !(0bv32 == ~bvor32(~bvsub32(__ieee754_acos_~ix~0, 1072693248bv32), __ieee754_acos_~lx~0));__ieee754_acos_#res := ~fp.div~DOUBLE(currentRoundingMode, ~fp.sub~DOUBLE(currentRoundingMode, __ieee754_acos_~x, __ieee754_acos_~x), ~fp.sub~DOUBLE(currentRoundingMode, __ieee754_acos_~x, __ieee754_acos_~x)); {112#false} is VALID [2020-07-28 17:34:47,749 INFO L280 TraceCheckUtils]: 7: Hoare triple {112#false} main_#t~ret17 := __ieee754_acos_#res;main_~res~0 := main_#t~ret17;havoc main_#t~ret17;main_#t~short19 := ~fp.eq~DOUBLE(main_~res~0, ~Pluszero~DOUBLE()); {112#false} is VALID [2020-07-28 17:34:47,749 INFO L280 TraceCheckUtils]: 8: Hoare triple {112#false} assume !main_#t~short19; {112#false} is VALID [2020-07-28 17:34:47,750 INFO L280 TraceCheckUtils]: 9: Hoare triple {112#false} assume !main_#t~short19;havoc main_#t~ret18;havoc main_#t~short19; {112#false} is VALID [2020-07-28 17:34:47,750 INFO L280 TraceCheckUtils]: 10: Hoare triple {112#false} assume !false; {112#false} is VALID [2020-07-28 17:34:47,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:34:47,753 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:34:47,783 INFO L280 TraceCheckUtils]: 10: Hoare triple {112#false} assume !false; {112#false} is VALID [2020-07-28 17:34:47,783 INFO L280 TraceCheckUtils]: 9: Hoare triple {112#false} assume !main_#t~short19;havoc main_#t~ret18;havoc main_#t~short19; {112#false} is VALID [2020-07-28 17:34:47,784 INFO L280 TraceCheckUtils]: 8: Hoare triple {112#false} assume !main_#t~short19; {112#false} is VALID [2020-07-28 17:34:47,787 INFO L280 TraceCheckUtils]: 7: Hoare triple {112#false} main_#t~ret17 := __ieee754_acos_#res;main_~res~0 := main_#t~ret17;havoc main_#t~ret17;main_#t~short19 := ~fp.eq~DOUBLE(main_~res~0, ~Pluszero~DOUBLE()); {112#false} is VALID [2020-07-28 17:34:47,788 INFO L280 TraceCheckUtils]: 6: Hoare triple {112#false} assume !(0bv32 == ~bvor32(~bvsub32(__ieee754_acos_~ix~0, 1072693248bv32), __ieee754_acos_~lx~0));__ieee754_acos_#res := ~fp.div~DOUBLE(currentRoundingMode, ~fp.sub~DOUBLE(currentRoundingMode, __ieee754_acos_~x, __ieee754_acos_~x), ~fp.sub~DOUBLE(currentRoundingMode, __ieee754_acos_~x, __ieee754_acos_~x)); {112#false} is VALID [2020-07-28 17:34:47,788 INFO L280 TraceCheckUtils]: 5: Hoare triple {112#false} assume !true; {112#false} is VALID [2020-07-28 17:34:47,788 INFO L280 TraceCheckUtils]: 4: Hoare triple {112#false} assume ~bvsge32(__ieee754_acos_~ix~0, 1072693248bv32);havoc __ieee754_acos_~lx~0; {112#false} is VALID [2020-07-28 17:34:47,789 INFO L280 TraceCheckUtils]: 3: Hoare triple {112#false} __ieee754_acos_~ix~0 := ~bvand32(2147483647bv32, __ieee754_acos_~hx~0); {112#false} is VALID [2020-07-28 17:34:47,791 INFO L280 TraceCheckUtils]: 2: Hoare triple {111#true} assume !true; {112#false} is VALID [2020-07-28 17:34:47,792 INFO L280 TraceCheckUtils]: 1: Hoare triple {111#true} havoc main_#res;havoc main_#t~ret17, main_#t~ret18, main_#t~short19, main_~x~0, main_~res~0;main_~x~0 := ~to_fp~DOUBLE(currentRoundingMode, 1.0);__ieee754_acos_#in~x := main_~x~0;havoc __ieee754_acos_#res;havoc __ieee754_acos_#t~mem9, __ieee754_acos_#t~union10, __ieee754_acos_~#gh_u~1.base, __ieee754_acos_~#gh_u~1.offset, __ieee754_acos_#t~mem11, __ieee754_acos_#t~union12, __ieee754_acos_~#gl_u~0.base, __ieee754_acos_~#gl_u~0.offset, __ieee754_acos_~lx~0, __ieee754_acos_#t~ret13, __ieee754_acos_#t~ret14, __ieee754_acos_#t~mem15, __ieee754_acos_#t~union16.lsw, __ieee754_acos_#t~union16.msw, __ieee754_acos_~#sl_u~0.base, __ieee754_acos_~#sl_u~0.offset, __ieee754_acos_~x, __ieee754_acos_~z~1, __ieee754_acos_~p~0, __ieee754_acos_~q~1, __ieee754_acos_~r~1, __ieee754_acos_~w~0, __ieee754_acos_~s~0, __ieee754_acos_~c~0, __ieee754_acos_~df~0, __ieee754_acos_~hx~0, __ieee754_acos_~ix~0;__ieee754_acos_~x := __ieee754_acos_#in~x;havoc __ieee754_acos_~z~1;havoc __ieee754_acos_~p~0;havoc __ieee754_acos_~q~1;havoc __ieee754_acos_~r~1;havoc __ieee754_acos_~w~0;havoc __ieee754_acos_~s~0;havoc __ieee754_acos_~c~0;havoc __ieee754_acos_~df~0;havoc __ieee754_acos_~hx~0;havoc __ieee754_acos_~ix~0; {111#true} is VALID [2020-07-28 17:34:47,792 INFO L280 TraceCheckUtils]: 0: Hoare triple {111#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~one_sqrt~0 := ~to_fp~DOUBLE(currentRoundingMode, 1.0);~tiny_sqrt~0 := ~to_fp~DOUBLE(currentRoundingMode, 1.0E-300);~one_acos~0 := ~to_fp~DOUBLE(currentRoundingMode, 1.0);~pi~0 := ~to_fp~DOUBLE(currentRoundingMode, 3.141592653589793);~pio2_hi_acos~0 := ~to_fp~DOUBLE(currentRoundingMode, 1.5707963267948966);~pio2_lo_acos~0 := ~to_fp~DOUBLE(currentRoundingMode, 6.123233995736766E-17);~pS0_acos~0 := ~to_fp~DOUBLE(currentRoundingMode, 0.16666666666666666);~pS1_acos~0 := ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.3255658186224009));~pS2_acos~0 := ~to_fp~DOUBLE(currentRoundingMode, 0.20121253213486293);~pS3_acos~0 := ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.04005553450067941));~pS4_acos~0 := ~to_fp~DOUBLE(currentRoundingMode, 7.915349942898145E-4);~pS5_acos~0 := ~to_fp~DOUBLE(currentRoundingMode, 3.479331075960212E-5);~qS1_acos~0 := ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 2.403394911734414));~qS2_acos~0 := ~to_fp~DOUBLE(currentRoundingMode, 2.0209457602335057);~qS3_acos~0 := ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.6882839716054533));~qS4_acos~0 := ~to_fp~DOUBLE(currentRoundingMode, 0.07703815055590194); {111#true} is VALID [2020-07-28 17:34:47,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:34:47,795 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1747886137] [2020-07-28 17:34:47,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:34:47,797 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-07-28 17:34:47,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686746519] [2020-07-28 17:34:47,805 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-07-28 17:34:47,810 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:34:47,814 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 17:34:48,911 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:34:48,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 17:34:48,911 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:34:48,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 17:34:48,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:34:48,925 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 2 states. [2020-07-28 17:35:12,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:35:12,360 INFO L93 Difference]: Finished difference Result 214 states and 356 transitions. [2020-07-28 17:35:12,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 17:35:12,361 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-07-28 17:35:12,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:35:12,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:35:12,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 356 transitions. [2020-07-28 17:35:12,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:35:12,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 356 transitions. [2020-07-28 17:35:12,387 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 356 transitions. [2020-07-28 17:35:41,334 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2020-07-28 17:35:41,536 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-07-28 17:35:41,538 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:208) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:221) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:131) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.push(ManagedScript.java:123) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.assertPrecondition(IncrementalHoareTripleChecker.java:290) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.prepareAssertionStackAndAddPrecondition(IncrementalHoareTripleChecker.java:221) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkInternal(IncrementalHoareTripleChecker.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.checkInductivity(InductivityCheck.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.(InductivityCheck.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.checkEnhancement(BasicCegarLoop.java:892) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:783) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:672) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:471) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) 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:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) 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:205) ... 31 more [2020-07-28 17:35:41,547 INFO L168 Benchmark]: Toolchain (without parser) took 80875.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 961.6 MB in the beginning and 887.4 MB in the end (delta: 74.2 MB). Peak memory consumption was 200.5 MB. Max. memory is 11.5 GB. [2020-07-28 17:35:41,548 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:35:41,550 INFO L168 Benchmark]: CACSL2BoogieTranslator took 529.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -145.5 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2020-07-28 17:35:41,550 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.46 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:35:41,551 INFO L168 Benchmark]: Boogie Preprocessor took 73.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2020-07-28 17:35:41,552 INFO L168 Benchmark]: RCFGBuilder took 25255.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 88.3 MB). Peak memory consumption was 88.3 MB. Max. memory is 11.5 GB. [2020-07-28 17:35:41,553 INFO L168 Benchmark]: TraceAbstraction took 54901.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 887.4 MB in the end (delta: 124.6 MB). Peak memory consumption was 124.6 MB. Max. memory is 11.5 GB. [2020-07-28 17:35:41,557 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 529.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -145.5 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 108.46 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 73.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 25255.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 88.3 MB). Peak memory consumption was 88.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 54901.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 887.4 MB in the end (delta: 124.6 MB). Peak memory consumption was 124.6 MB. Max. memory is 11.5 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:208) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...