./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0480.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2880296f Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/float_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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bd6800513a0c85eb15605681f4c7c21ff95d3a8c .......................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/float_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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bd6800513a0c85eb15605681f4c7c21ff95d3a8c ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-2880296 [2020-12-02 15:39:00,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:39:00,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:39:00,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:39:00,441 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:39:00,448 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:39:00,450 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:39:00,457 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:39:00,463 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:39:00,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:39:00,470 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:39:00,471 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:39:00,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:39:00,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:39:00,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:39:00,477 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:39:00,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:39:00,481 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:39:00,484 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:39:00,490 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:39:00,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:39:00,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:39:00,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:39:00,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:39:00,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:39:00,500 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:39:00,500 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:39:00,501 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:39:00,502 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:39:00,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:39:00,503 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:39:00,504 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:39:00,505 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:39:00,506 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:39:00,507 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:39:00,507 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:39:00,508 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:39:00,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:39:00,509 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:39:00,510 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:39:00,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:39:00,511 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 15:39:00,546 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:39:00,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:39:00,548 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:39:00,549 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:39:00,549 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:39:00,549 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:39:00,549 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:39:00,550 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 15:39:00,550 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:39:00,550 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:39:00,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:39:00,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:39:00,551 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:39:00,551 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:39:00,551 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:39:00,552 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:39:00,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:39:00,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:39:00,553 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:39:00,553 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:39:00,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:39:00,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:39:00,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:39:00,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:39:00,554 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:39:00,554 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 15:39:00,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 15:39:00,555 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:39:00,555 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:39:00,555 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd6800513a0c85eb15605681f4c7c21ff95d3a8c [2020-12-02 15:39:00,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:39:00,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:39:00,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:39:00,980 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:39:00,981 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:39:00,983 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0480.c [2020-12-02 15:39:01,068 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1fd08f09/6d4b330ba99843bab4afdfe82b7252ec/FLAG9cfc38e8a [2020-12-02 15:39:01,765 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:39:01,765 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0480.c [2020-12-02 15:39:01,780 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1fd08f09/6d4b330ba99843bab4afdfe82b7252ec/FLAG9cfc38e8a [2020-12-02 15:39:02,038 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1fd08f09/6d4b330ba99843bab4afdfe82b7252ec [2020-12-02 15:39:02,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:39:02,044 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:39:02,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:39:02,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:39:02,053 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:39:02,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:39:02" (1/1) ... [2020-12-02 15:39:02,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5161d0a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:02, skipping insertion in model container [2020-12-02 15:39:02,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:39:02" (1/1) ... [2020-12-02 15:39:02,089 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:39:02,162 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:39:02,472 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0480.c[4489,4502] [2020-12-02 15:39:02,475 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:39:02,487 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 15:39:02,550 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0480.c[4489,4502] [2020-12-02 15:39:02,551 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:39:02,579 INFO L217 MainTranslator]: Completed translation [2020-12-02 15:39:02,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:02 WrapperNode [2020-12-02 15:39:02,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 15:39:02,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 15:39:02,588 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 15:39:02,588 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 15:39:02,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:02" (1/1) ... [2020-12-02 15:39:02,636 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:02" (1/1) ... [2020-12-02 15:39:02,723 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 15:39:02,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 15:39:02,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 15:39:02,724 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 15:39:02,740 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:02" (1/1) ... [2020-12-02 15:39:02,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:02" (1/1) ... [2020-12-02 15:39:02,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:02" (1/1) ... [2020-12-02 15:39:02,762 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:02" (1/1) ... [2020-12-02 15:39:02,790 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:02" (1/1) ... [2020-12-02 15:39:02,801 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:02" (1/1) ... [2020-12-02 15:39:02,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:02" (1/1) ... [2020-12-02 15:39:02,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 15:39:02,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 15:39:02,816 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 15:39:02,816 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 15:39:02,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:39:02,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-02 15:39:02,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 15:39:02,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-02 15:39:02,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-02 15:39:02,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-02 15:39:02,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 15:39:02,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 15:39:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-02 15:39:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 15:39:03,754 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 15:39:03,755 INFO L298 CfgBuilder]: Removed 32 assume(true) statements. [2020-12-02 15:39:03,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:39:03 BoogieIcfgContainer [2020-12-02 15:39:03,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 15:39:03,759 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 15:39:03,759 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 15:39:03,763 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 15:39:03,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:39:02" (1/3) ... [2020-12-02 15:39:03,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62d85c91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:39:03, skipping insertion in model container [2020-12-02 15:39:03,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:02" (2/3) ... [2020-12-02 15:39:03,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62d85c91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:39:03, skipping insertion in model container [2020-12-02 15:39:03,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:39:03" (3/3) ... [2020-12-02 15:39:03,768 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0480.c [2020-12-02 15:39:03,799 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 15:39:03,804 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 15:39:03,817 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 15:39:03,846 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 15:39:03,846 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 15:39:03,846 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 15:39:03,847 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 15:39:03,847 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 15:39:03,847 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 15:39:03,847 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 15:39:03,848 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 15:39:03,864 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states. [2020-12-02 15:39:03,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-02 15:39:03,869 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:39:03,870 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:39:03,870 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:39:03,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:39:03,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1036093437, now seen corresponding path program 1 times [2020-12-02 15:39:03,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 15:39:03,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430907557] [2020-12-02 15:39:03,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 15:39:04,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:39:04,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:39:04,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430907557] [2020-12-02 15:39:04,066 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:39:04,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-02 15:39:04,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137111734] [2020-12-02 15:39:04,073 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 15:39:04,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 15:39:04,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 15:39:04,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:39:04,092 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 2 states. [2020-12-02 15:39:04,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:39:04,124 INFO L93 Difference]: Finished difference Result 150 states and 248 transitions. [2020-12-02 15:39:04,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 15:39:04,126 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-12-02 15:39:04,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:39:04,138 INFO L225 Difference]: With dead ends: 150 [2020-12-02 15:39:04,139 INFO L226 Difference]: Without dead ends: 73 [2020-12-02 15:39:04,143 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:39:04,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-12-02 15:39:04,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-12-02 15:39:04,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-12-02 15:39:04,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 101 transitions. [2020-12-02 15:39:04,191 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 101 transitions. Word has length 10 [2020-12-02 15:39:04,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:39:04,202 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 101 transitions. [2020-12-02 15:39:04,202 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 15:39:04,202 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2020-12-02 15:39:04,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-02 15:39:04,203 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:39:04,203 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:39:04,203 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-02 15:39:04,204 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:39:04,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:39:04,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1299213760, now seen corresponding path program 1 times [2020-12-02 15:39:04,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 15:39:04,205 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835156773] [2020-12-02 15:39:04,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 15:39:04,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 15:39:04,259 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 15:39:04,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 15:39:04,300 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 15:39:04,353 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-02 15:39:04,354 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-02 15:39:04,355 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-02 15:39:04,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:39:04 BoogieIcfgContainer [2020-12-02 15:39:04,433 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 15:39:04,434 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 15:39:04,434 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 15:39:04,435 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 15:39:04,436 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:39:03" (3/4) ... [2020-12-02 15:39:04,440 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-02 15:39:04,441 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 15:39:04,446 INFO L168 Benchmark]: Toolchain (without parser) took 2398.14 ms. Allocated memory was 41.9 MB in the beginning and 54.5 MB in the end (delta: 12.6 MB). Free memory was 19.1 MB in the beginning and 27.7 MB in the end (delta: -8.6 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2020-12-02 15:39:04,447 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 33.6 MB. Free memory was 16.5 MB in the beginning and 16.5 MB in the end (delta: 42.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:39:04,450 INFO L168 Benchmark]: CACSL2BoogieTranslator took 537.78 ms. Allocated memory is still 41.9 MB. Free memory was 18.9 MB in the beginning and 23.9 MB in the end (delta: -5.0 MB). Peak memory consumption was 6.2 MB. Max. memory is 16.1 GB. [2020-12-02 15:39:04,451 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.33 ms. Allocated memory is still 41.9 MB. Free memory was 23.9 MB in the beginning and 21.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:39:04,452 INFO L168 Benchmark]: Boogie Preprocessor took 88.57 ms. Allocated memory is still 41.9 MB. Free memory was 21.3 MB in the beginning and 18.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:39:04,455 INFO L168 Benchmark]: RCFGBuilder took 943.70 ms. Allocated memory was 41.9 MB in the beginning and 54.5 MB in the end (delta: 12.6 MB). Free memory was 18.9 MB in the beginning and 21.3 MB in the end (delta: -2.4 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:39:04,457 INFO L168 Benchmark]: TraceAbstraction took 674.51 ms. Allocated memory is still 54.5 MB. Free memory was 20.7 MB in the beginning and 28.0 MB in the end (delta: -7.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:39:04,458 INFO L168 Benchmark]: Witness Printer took 6.49 ms. Allocated memory is still 54.5 MB. Free memory was 28.0 MB in the beginning and 27.7 MB in the end (delta: 312.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:39:04,470 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 33.6 MB. Free memory was 16.5 MB in the beginning and 16.5 MB in the end (delta: 42.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 537.78 ms. Allocated memory is still 41.9 MB. Free memory was 18.9 MB in the beginning and 23.9 MB in the end (delta: -5.0 MB). Peak memory consumption was 6.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 136.33 ms. Allocated memory is still 41.9 MB. Free memory was 23.9 MB in the beginning and 21.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 88.57 ms. Allocated memory is still 41.9 MB. Free memory was 21.3 MB in the beginning and 18.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 943.70 ms. Allocated memory was 41.9 MB in the beginning and 54.5 MB in the end (delta: 12.6 MB). Free memory was 18.9 MB in the beginning and 21.3 MB in the end (delta: -2.4 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 674.51 ms. Allocated memory is still 54.5 MB. Free memory was 20.7 MB in the beginning and 28.0 MB in the end (delta: -7.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 6.49 ms. Allocated memory is still 54.5 MB. Free memory was 28.0 MB in the beginning and 27.7 MB in the end (delta: 312.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 184]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLE_SMToperation at line 86, overapproximation of bitwiseAnd at line 100, overapproximation of someBinaryFLOAT_SMTComparisonOperation at line 183. Possible FailurePath: [L14] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L83-L90] static const float one_acos = 1.0000000000e+00, pi = 3.1415925026e+00, pio2_hi_acos = 1.5707962513e+00, pio2_lo_acos = 7.5497894159e-08, pS0_acos = 1.6666667163e-01, pS1_acos = -3.2556581497e-01, pS2_acos = 2.0121252537e-01, pS3_acos = -4.0055535734e-02, pS4_acos = 7.9153501429e-04, pS5_acos = 3.4793309169e-05, qS1_acos = -2.4033949375e+00, qS2_acos = 2.0209457874e+00, qS3_acos = -6.8828397989e-01, qS4_acos = 7.7038154006e-02; VAL [one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L179] float x = 1.0f; [L93] float z, p, q, r, w, s, c, df; [L94] __int32_t hx, ix; VAL [one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L96] ieee_float_shape_type gf_u; [L97] gf_u.value = (x) [L98] EXPR gf_u.word [L98] (hx) = gf_u.word [L100] ix = hx & 0x7fffffff VAL [one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L101] COND TRUE ix == 0x3f800000 VAL [one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L102] COND TRUE hx > 0 [L103] return 0.0; VAL [one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L180] float res = __ieee754_acosf(x); [L183] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L183] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L184] reach_error() VAL [one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 104 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=76occurred 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, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-2880296 [2020-12-02 15:39:07,251 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-12-02 15:39:07,324 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:39:07,325 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:39:07,329 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:39:07,330 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:39:07,335 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:39:07,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:39:07,340 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:39:07,340 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:39:07,341 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:39:07,345 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:39:07,346 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:39:07,347 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 15:39:07,402 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:39:07,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:39:07,407 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:39:07,407 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:39:07,407 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:39:07,407 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:39:07,407 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:39:07,408 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:39:07,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:39:07,408 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:39:07,409 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:39:07,409 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:39:07,410 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 15:39:07,410 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 15:39:07,410 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:39:07,410 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:39:07,410 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:39:07,410 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:39:07,411 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:39:07,411 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:39:07,411 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:39:07,411 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:39:07,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:39:07,412 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:39:07,412 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:39:07,412 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:39:07,412 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 15:39:07,412 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 15:39:07,413 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:39:07,413 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:39:07,413 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 15:39:07,413 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd6800513a0c85eb15605681f4c7c21ff95d3a8c [2020-12-02 15:39:07,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:39:07,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:39:07,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:39:07,856 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:39:07,856 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:39:07,857 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0480.c [2020-12-02 15:39:07,953 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09f91c6d3/9e739727d67641d0965690d401e7c799/FLAG28ccfe12e [2020-12-02 15:39:08,698 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:39:08,699 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0480.c [2020-12-02 15:39:08,710 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09f91c6d3/9e739727d67641d0965690d401e7c799/FLAG28ccfe12e [2020-12-02 15:39:09,028 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09f91c6d3/9e739727d67641d0965690d401e7c799 [2020-12-02 15:39:09,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:39:09,033 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:39:09,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:39:09,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:39:09,040 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:39:09,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:39:09" (1/1) ... [2020-12-02 15:39:09,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eca797c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:09, skipping insertion in model container [2020-12-02 15:39:09,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:39:09" (1/1) ... [2020-12-02 15:39:09,054 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:39:09,082 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:39:09,384 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0480.c[4489,4502] [2020-12-02 15:39:09,389 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:39:09,414 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 15:39:09,502 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0480.c[4489,4502] [2020-12-02 15:39:09,508 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:39:09,556 INFO L217 MainTranslator]: Completed translation [2020-12-02 15:39:09,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:09 WrapperNode [2020-12-02 15:39:09,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 15:39:09,558 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 15:39:09,559 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 15:39:09,559 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 15:39:09,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:09" (1/1) ... [2020-12-02 15:39:09,593 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:09" (1/1) ... [2020-12-02 15:39:09,649 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 15:39:09,651 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 15:39:09,651 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 15:39:09,651 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 15:39:09,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:09" (1/1) ... [2020-12-02 15:39:09,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:09" (1/1) ... [2020-12-02 15:39:09,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:09" (1/1) ... [2020-12-02 15:39:09,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:09" (1/1) ... [2020-12-02 15:39:09,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:09" (1/1) ... [2020-12-02 15:39:09,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:09" (1/1) ... [2020-12-02 15:39:09,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:09" (1/1) ... [2020-12-02 15:39:09,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 15:39:09,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 15:39:09,757 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 15:39:09,757 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 15:39:09,758 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:39:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-12-02 15:39:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 15:39:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 15:39:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-12-02 15:39:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-02 15:39:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 15:39:09,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 15:39:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-12-02 15:39:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_FLOAT [2020-12-02 15:39:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-02 15:39:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 15:39:24,951 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 15:39:24,951 INFO L298 CfgBuilder]: Removed 32 assume(true) statements. [2020-12-02 15:39:24,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:39:24 BoogieIcfgContainer [2020-12-02 15:39:24,954 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 15:39:24,956 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 15:39:24,956 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 15:39:24,960 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 15:39:24,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:39:09" (1/3) ... [2020-12-02 15:39:24,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45b3411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:39:24, skipping insertion in model container [2020-12-02 15:39:24,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:09" (2/3) ... [2020-12-02 15:39:24,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45b3411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:39:24, skipping insertion in model container [2020-12-02 15:39:24,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:39:24" (3/3) ... [2020-12-02 15:39:24,964 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0480.c [2020-12-02 15:39:24,980 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 15:39:24,988 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 15:39:25,002 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 15:39:25,061 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 15:39:25,061 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 15:39:25,061 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 15:39:25,061 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 15:39:25,061 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 15:39:25,061 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 15:39:25,062 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 15:39:25,062 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 15:39:25,085 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states. [2020-12-02 15:39:25,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-02 15:39:25,094 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:39:25,095 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:39:25,095 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:39:25,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:39:25,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1036093437, now seen corresponding path program 1 times [2020-12-02 15:39:25,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:39:25,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1581530288] [2020-12-02 15:39:25,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-02 15:39:26,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:39:26,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-02 15:39:26,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:39:26,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:39:26,237 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:39:26,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:39:26,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1581530288] [2020-12-02 15:39:26,263 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:39:26,263 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-02 15:39:26,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913764989] [2020-12-02 15:39:26,270 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 15:39:26,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:39:26,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 15:39:26,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:39:26,298 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 2 states. [2020-12-02 15:39:26,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:39:26,327 INFO L93 Difference]: Finished difference Result 150 states and 248 transitions. [2020-12-02 15:39:26,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 15:39:26,328 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-12-02 15:39:26,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:39:26,340 INFO L225 Difference]: With dead ends: 150 [2020-12-02 15:39:26,340 INFO L226 Difference]: Without dead ends: 73 [2020-12-02 15:39:26,343 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:39:26,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-12-02 15:39:26,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-12-02 15:39:26,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-12-02 15:39:26,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 101 transitions. [2020-12-02 15:39:26,385 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 101 transitions. Word has length 10 [2020-12-02 15:39:26,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:39:26,385 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 101 transitions. [2020-12-02 15:39:26,385 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 15:39:26,385 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2020-12-02 15:39:26,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-02 15:39:26,386 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:39:26,386 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:39:26,601 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 15:39:26,602 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:39:26,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:39:26,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1299213760, now seen corresponding path program 1 times [2020-12-02 15:39:26,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:39:26,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1483807581] [2020-12-02 15:39:26,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-02 15:39:27,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:39:27,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-02 15:39:27,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:39:28,314 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-12-02 15:39:28,328 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:39:28,332 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:39:28,335 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-02 15:39:28,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:39:28,630 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:39:28,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:39:28,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1483807581] [2020-12-02 15:39:28,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:39:28,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-12-02 15:39:28,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439088195] [2020-12-02 15:39:28,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-02 15:39:28,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:39:28,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-02 15:39:28,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-02 15:39:28,897 INFO L87 Difference]: Start difference. First operand 73 states and 101 transitions. Second operand 6 states. [2020-12-02 15:39:29,988 WARN L197 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-12-02 15:39:32,393 WARN L197 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2020-12-02 15:39:51,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:39:51,492 INFO L93 Difference]: Finished difference Result 100 states and 127 transitions. [2020-12-02 15:39:51,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-02 15:39:51,502 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2020-12-02 15:39:51,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:39:51,504 INFO L225 Difference]: With dead ends: 100 [2020-12-02 15:39:51,504 INFO L226 Difference]: Without dead ends: 97 [2020-12-02 15:39:51,505 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-02 15:39:51,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-12-02 15:39:51,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 75. [2020-12-02 15:39:51,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-12-02 15:39:51,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 103 transitions. [2020-12-02 15:39:51,521 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 103 transitions. Word has length 11 [2020-12-02 15:39:51,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:39:51,523 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 103 transitions. [2020-12-02 15:39:51,523 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-02 15:39:51,523 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 103 transitions. [2020-12-02 15:39:51,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-02 15:39:51,524 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:39:51,524 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:39:51,738 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-02 15:39:51,739 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:39:51,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:39:51,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1297366718, now seen corresponding path program 1 times [2020-12-02 15:39:51,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:39:51,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1543761758] [2020-12-02 15:39:51,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-02 15:39:52,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:39:52,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-02 15:39:52,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:39:52,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:39:52,830 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:39:53,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:39:53,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1543761758] [2020-12-02 15:39:53,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:39:53,031 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-12-02 15:39:53,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988297655] [2020-12-02 15:39:53,032 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-02 15:39:53,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:39:53,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-02 15:39:53,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-02 15:39:53,033 INFO L87 Difference]: Start difference. First operand 75 states and 103 transitions. Second operand 6 states. [2020-12-02 15:39:56,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:39:56,909 INFO L93 Difference]: Finished difference Result 93 states and 121 transitions. [2020-12-02 15:39:57,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-02 15:39:57,002 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2020-12-02 15:39:57,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:39:57,003 INFO L225 Difference]: With dead ends: 93 [2020-12-02 15:39:57,004 INFO L226 Difference]: Without dead ends: 60 [2020-12-02 15:39:57,004 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-02 15:39:57,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-12-02 15:39:57,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 51. [2020-12-02 15:39:57,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-12-02 15:39:57,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 66 transitions. [2020-12-02 15:39:57,013 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 66 transitions. Word has length 11 [2020-12-02 15:39:57,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:39:57,013 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 66 transitions. [2020-12-02 15:39:57,013 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-02 15:39:57,013 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2020-12-02 15:39:57,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-02 15:39:57,014 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:39:57,014 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:39:57,228 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-02 15:39:57,228 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:39:57,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:39:57,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1092345056, now seen corresponding path program 1 times [2020-12-02 15:39:57,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:39:57,230 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1281138740] [2020-12-02 15:39:57,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-02 15:39:58,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:39:58,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-02 15:39:58,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:39:58,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:39:58,563 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:39:59,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:39:59,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1281138740] [2020-12-02 15:39:59,102 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:39:59,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-12-02 15:39:59,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607533537] [2020-12-02 15:39:59,103 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-02 15:39:59,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:39:59,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-02 15:39:59,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-12-02 15:39:59,104 INFO L87 Difference]: Start difference. First operand 51 states and 66 transitions. Second operand 8 states. [2020-12-02 15:39:59,560 WARN L197 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 23 [2020-12-02 15:39:59,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:39:59,601 INFO L93 Difference]: Finished difference Result 58 states and 72 transitions. [2020-12-02 15:39:59,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-02 15:39:59,603 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2020-12-02 15:39:59,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:39:59,603 INFO L225 Difference]: With dead ends: 58 [2020-12-02 15:39:59,603 INFO L226 Difference]: Without dead ends: 16 [2020-12-02 15:39:59,604 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-12-02 15:39:59,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-12-02 15:39:59,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-12-02 15:39:59,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-12-02 15:39:59,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2020-12-02 15:39:59,609 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 11 [2020-12-02 15:39:59,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:39:59,609 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2020-12-02 15:39:59,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-02 15:39:59,610 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2020-12-02 15:39:59,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-02 15:39:59,610 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:39:59,610 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:39:59,824 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-02 15:39:59,825 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:39:59,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:39:59,826 INFO L82 PathProgramCache]: Analyzing trace with hash 1064969237, now seen corresponding path program 1 times [2020-12-02 15:39:59,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:39:59,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1172523] [2020-12-02 15:39:59,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-12-02 15:40:00,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:40:00,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-02 15:40:00,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:40:01,014 WARN L197 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-12-02 15:40:01,830 WARN L197 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-12-02 15:40:03,018 WARN L197 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-12-02 15:40:04,557 WARN L197 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-12-02 15:40:04,575 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:40:04,578 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 15:40:06,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:40:06,534 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:40:09,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:40:09,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1172523] [2020-12-02 15:40:09,741 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:40:09,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 12 [2020-12-02 15:40:09,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415637364] [2020-12-02 15:40:09,742 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-02 15:40:09,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:40:09,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-02 15:40:09,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-12-02 15:40:09,743 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 12 states. [2020-12-02 15:40:17,147 WARN L197 SmtUtils]: Spent 2.69 s on a formula simplification that was a NOOP. DAG size: 27 [2020-12-02 15:40:32,087 WARN L197 SmtUtils]: Spent 7.45 s on a formula simplification that was a NOOP. DAG size: 35 [2020-12-02 15:40:35,925 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10| (_ BitVec 64)) (~CRM RoundingMode)) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10|)))) (and (= ((_ to_fp 8 24) ~CRM .cse0) (fp ((_ extract 31 31) c_ULTIMATE.start___signbit_float_~x) ((_ extract 30 23) c_ULTIMATE.start___signbit_float_~x) ((_ extract 22 0) c_ULTIMATE.start___signbit_float_~x))) (= .cse0 (_ +zero 11 53))))) |c_ULTIMATE.start_main_#t~short153| (exists ((|v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10| (_ BitVec 64)) (~CRM RoundingMode)) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10|)))) (and (= .cse1 (_ +zero 11 53)) (= ((_ to_fp 8 24) ~CRM .cse1) (fp ((_ extract 31 31) |c_ULTIMATE.start___ieee754_acosf_#res|) ((_ extract 30 23) |c_ULTIMATE.start___ieee754_acosf_#res|) ((_ extract 22 0) |c_ULTIMATE.start___ieee754_acosf_#res|)))))) (exists ((|v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10| (_ BitVec 64)) (~CRM RoundingMode)) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10|)))) (and (= .cse2 (_ +zero 11 53)) (= ((_ to_fp 8 24) ~CRM .cse2) (fp ((_ extract 31 31) c_ULTIMATE.start___signbit_float_~w~1) ((_ extract 30 23) c_ULTIMATE.start___signbit_float_~w~1) ((_ extract 22 0) c_ULTIMATE.start___signbit_float_~w~1)))))) (exists ((|v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10| (_ BitVec 64)) (~CRM RoundingMode)) (let ((.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10|)))) (and (= ((_ to_fp 8 24) ~CRM .cse3) (fp ((_ extract 31 31) c_ULTIMATE.start_main_~res~0) ((_ extract 30 23) c_ULTIMATE.start_main_~res~0) ((_ extract 22 0) c_ULTIMATE.start_main_~res~0))) (= .cse3 (_ +zero 11 53)))))) is different from false [2020-12-02 15:40:38,426 WARN L197 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2020-12-02 15:40:40,741 WARN L197 SmtUtils]: Spent 834.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-12-02 15:40:40,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:40:40,742 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2020-12-02 15:40:40,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-02 15:40:40,743 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 15 [2020-12-02 15:40:40,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:40:40,743 INFO L225 Difference]: With dead ends: 16 [2020-12-02 15:40:40,743 INFO L226 Difference]: Without dead ends: 0 [2020-12-02 15:40:40,744 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 36.8s TimeCoverageRelationStatistics Valid=56, Invalid=187, Unknown=1, NotChecked=28, Total=272 [2020-12-02 15:40:40,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-02 15:40:40,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-02 15:40:40,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-02 15:40:40,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-02 15:40:40,745 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2020-12-02 15:40:40,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:40:40,745 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-02 15:40:40,745 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-02 15:40:40,745 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-02 15:40:40,746 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-02 15:40:40,946 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-02 15:40:40,950 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-02 15:40:44,448 WARN L197 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2020-12-02 15:40:46,144 WARN L197 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 42 [2020-12-02 15:40:56,522 WARN L197 SmtUtils]: Spent 10.38 s on a formula simplification that was a NOOP. DAG size: 56 [2020-12-02 15:40:56,541 INFO L262 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-12-02 15:40:56,542 INFO L258 CegarLoopResult]: At program point L52-2(lines 52 61) the Hoare annotation is: false [2020-12-02 15:40:56,542 INFO L262 CegarLoopResult]: For program point L52-3(lines 16 81) no Hoare annotation was computed. [2020-12-02 15:40:56,542 INFO L258 CegarLoopResult]: At program point L52-6(lines 52 61) the Hoare annotation is: false [2020-12-02 15:40:56,542 INFO L262 CegarLoopResult]: For program point L52-7(lines 16 81) no Hoare annotation was computed. [2020-12-02 15:40:56,542 INFO L262 CegarLoopResult]: For program point L102(lines 102 105) no Hoare annotation was computed. [2020-12-02 15:40:56,543 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-02 15:40:56,543 INFO L262 CegarLoopResult]: For program point L37(lines 37 41) no Hoare annotation was computed. [2020-12-02 15:40:56,543 INFO L262 CegarLoopResult]: For program point L37-2(lines 37 41) no Hoare annotation was computed. [2020-12-02 15:40:56,543 INFO L262 CegarLoopResult]: For program point L37-3(lines 37 41) no Hoare annotation was computed. [2020-12-02 15:40:56,543 INFO L262 CegarLoopResult]: For program point L37-5(lines 37 41) no Hoare annotation was computed. [2020-12-02 15:40:56,543 INFO L262 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2020-12-02 15:40:56,544 INFO L262 CegarLoopResult]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2020-12-02 15:40:56,544 INFO L262 CegarLoopResult]: For program point L54-2(lines 54 58) no Hoare annotation was computed. [2020-12-02 15:40:56,544 INFO L258 CegarLoopResult]: At program point L21-2(lines 21 25) the Hoare annotation is: false [2020-12-02 15:40:56,544 INFO L262 CegarLoopResult]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2020-12-02 15:40:56,544 INFO L262 CegarLoopResult]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2020-12-02 15:40:56,544 INFO L262 CegarLoopResult]: For program point L54-5(lines 54 58) no Hoare annotation was computed. [2020-12-02 15:40:56,545 INFO L262 CegarLoopResult]: For program point L21-5(lines 21 25) no Hoare annotation was computed. [2020-12-02 15:40:56,545 INFO L258 CegarLoopResult]: At program point L21-6(lines 21 25) the Hoare annotation is: false [2020-12-02 15:40:56,545 INFO L262 CegarLoopResult]: For program point L21-7(lines 21 25) no Hoare annotation was computed. [2020-12-02 15:40:56,545 INFO L258 CegarLoopResult]: At program point L170(lines 161 171) the Hoare annotation is: (and (exists ((~CRM RoundingMode)) (= ((_ to_fp 8 24) ~CRM 1.0) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~x) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~x) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~x)))) |ULTIMATE.start_main_#t~short153| (exists ((|v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10| (_ BitVec 64)) (~CRM RoundingMode)) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10|)))) (and (= .cse0 (_ +zero 11 53)) (= ((_ to_fp 8 24) ~CRM .cse0) (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~1) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~1) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~1)))))) (= (bvadd ULTIMATE.start___ieee754_acosf_~ix~1 (_ bv3229614080 32)) (_ bv0 32)) (= |ULTIMATE.start___signbit_float_#res| (_ bv0 32)) (exists ((~CRM RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)) ((_ to_fp 8 24) ~CRM 1.0)))) [2020-12-02 15:40:56,546 INFO L262 CegarLoopResult]: For program point L38-2(lines 38 39) no Hoare annotation was computed. [2020-12-02 15:40:56,546 INFO L258 CegarLoopResult]: At program point L38-3(lines 38 39) the Hoare annotation is: false [2020-12-02 15:40:56,546 INFO L262 CegarLoopResult]: For program point L38-4(lines 38 39) no Hoare annotation was computed. [2020-12-02 15:40:56,546 INFO L262 CegarLoopResult]: For program point L38-7(lines 38 39) no Hoare annotation was computed. [2020-12-02 15:40:56,546 INFO L258 CegarLoopResult]: At program point L38-8(lines 38 39) the Hoare annotation is: false [2020-12-02 15:40:56,547 INFO L262 CegarLoopResult]: For program point L38-9(lines 38 39) no Hoare annotation was computed. [2020-12-02 15:40:56,547 INFO L262 CegarLoopResult]: For program point L121(lines 121 158) no Hoare annotation was computed. [2020-12-02 15:40:56,547 INFO L262 CegarLoopResult]: For program point L138-1(lines 138 142) no Hoare annotation was computed. [2020-12-02 15:40:56,553 INFO L258 CegarLoopResult]: At program point L138-2(lines 138 142) the Hoare annotation is: false [2020-12-02 15:40:56,553 INFO L265 CegarLoopResult]: At program point L188(lines 173 189) the Hoare annotation is: true [2020-12-02 15:40:56,554 INFO L262 CegarLoopResult]: For program point L106(lines 106 108) no Hoare annotation was computed. [2020-12-02 15:40:56,554 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-02 15:40:56,554 INFO L258 CegarLoopResult]: At program point L157(lines 92 159) the Hoare annotation is: (and (exists ((~CRM RoundingMode)) (= ((_ to_fp 8 24) ~CRM 1.0) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~x) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~x) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~x)))) (= roundNearestTiesToEven ~CRM) (= (bvadd ULTIMATE.start___ieee754_acosf_~ix~1 (_ bv3229614080 32)) (_ bv0 32)) (exists ((~CRM RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)) ((_ to_fp 8 24) ~CRM 1.0))) (exists ((|v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6|)))) (and (= ((_ to_fp 8 24) roundNearestTiesToEven .cse0) (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_acosf_#res|) ((_ extract 30 23) |ULTIMATE.start___ieee754_acosf_#res|) ((_ extract 22 0) |ULTIMATE.start___ieee754_acosf_#res|))) (= .cse0 (_ +zero 11 53)))))) [2020-12-02 15:40:56,554 INFO L262 CegarLoopResult]: For program point L75-1(lines 75 79) no Hoare annotation was computed. [2020-12-02 15:40:56,555 INFO L258 CegarLoopResult]: At program point L75-2(lines 75 79) the Hoare annotation is: false [2020-12-02 15:40:56,555 INFO L262 CegarLoopResult]: For program point L75-3(lines 75 79) no Hoare annotation was computed. [2020-12-02 15:40:56,555 INFO L262 CegarLoopResult]: For program point L75-5(lines 75 79) no Hoare annotation was computed. [2020-12-02 15:40:56,555 INFO L258 CegarLoopResult]: At program point L75-6(lines 75 79) the Hoare annotation is: false [2020-12-02 15:40:56,555 INFO L262 CegarLoopResult]: For program point L75-7(lines 75 79) no Hoare annotation was computed. [2020-12-02 15:40:56,555 INFO L262 CegarLoopResult]: For program point L109(lines 109 158) no Hoare annotation was computed. [2020-12-02 15:40:56,556 INFO L262 CegarLoopResult]: For program point L143(lines 143 147) no Hoare annotation was computed. [2020-12-02 15:40:56,556 INFO L262 CegarLoopResult]: For program point L110(lines 110 111) no Hoare annotation was computed. [2020-12-02 15:40:56,556 INFO L262 CegarLoopResult]: For program point L143-1(lines 133 158) no Hoare annotation was computed. [2020-12-02 15:40:56,556 INFO L262 CegarLoopResult]: For program point L143-2(lines 143 147) no Hoare annotation was computed. [2020-12-02 15:40:56,556 INFO L262 CegarLoopResult]: For program point L44(lines 44 45) no Hoare annotation was computed. [2020-12-02 15:40:56,556 INFO L262 CegarLoopResult]: For program point L44-2(lines 44 45) no Hoare annotation was computed. [2020-12-02 15:40:56,557 INFO L262 CegarLoopResult]: For program point L44-3(lines 44 45) no Hoare annotation was computed. [2020-12-02 15:40:56,557 INFO L262 CegarLoopResult]: For program point L44-5(lines 44 45) no Hoare annotation was computed. [2020-12-02 15:40:56,557 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-02 15:40:56,557 INFO L262 CegarLoopResult]: For program point L28(lines 28 29) no Hoare annotation was computed. [2020-12-02 15:40:56,557 INFO L262 CegarLoopResult]: For program point L28-1(lines 28 29) no Hoare annotation was computed. [2020-12-02 15:40:56,557 INFO L262 CegarLoopResult]: For program point L95-1(lines 95 99) no Hoare annotation was computed. [2020-12-02 15:40:56,558 INFO L258 CegarLoopResult]: At program point L95-2(lines 95 99) the Hoare annotation is: (and (exists ((~CRM RoundingMode)) (= ((_ to_fp 8 24) ~CRM 1.0) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~x) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~x) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~x)))) (= roundNearestTiesToEven ~CRM)) [2020-12-02 15:40:56,558 INFO L262 CegarLoopResult]: For program point L95-3(lines 95 99) no Hoare annotation was computed. [2020-12-02 15:40:56,558 INFO L262 CegarLoopResult]: For program point L63(lines 63 72) no Hoare annotation was computed. [2020-12-02 15:40:56,558 INFO L262 CegarLoopResult]: For program point L63-1(lines 63 72) no Hoare annotation was computed. [2020-12-02 15:40:56,558 INFO L258 CegarLoopResult]: At program point L80(lines 16 81) the Hoare annotation is: false [2020-12-02 15:40:56,559 INFO L258 CegarLoopResult]: At program point L80-1(lines 16 81) the Hoare annotation is: false [2020-12-02 15:40:56,559 INFO L262 CegarLoopResult]: For program point L31(lines 31 32) no Hoare annotation was computed. [2020-12-02 15:40:56,559 INFO L262 CegarLoopResult]: For program point L31-1(lines 31 32) no Hoare annotation was computed. [2020-12-02 15:40:56,559 INFO L262 CegarLoopResult]: For program point L164-1(lines 164 168) no Hoare annotation was computed. [2020-12-02 15:40:56,560 INFO L258 CegarLoopResult]: At program point L164-2(lines 164 168) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10| (_ BitVec 64)) (~CRM RoundingMode)) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10|)))) (and (= ((_ to_fp 8 24) ~CRM .cse0) (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~x) ((_ extract 30 23) ULTIMATE.start___signbit_float_~x) ((_ extract 22 0) ULTIMATE.start___signbit_float_~x))) (= .cse0 (_ +zero 11 53))))) (exists ((~CRM RoundingMode)) (= ((_ to_fp 8 24) ~CRM 1.0) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~x) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~x) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~x)))) |ULTIMATE.start_main_#t~short153| (exists ((|v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10| (_ BitVec 64)) (~CRM RoundingMode)) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10|)))) (and (= .cse1 (_ +zero 11 53)) (= ((_ to_fp 8 24) ~CRM .cse1) (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_acosf_#res|) ((_ extract 30 23) |ULTIMATE.start___ieee754_acosf_#res|) ((_ extract 22 0) |ULTIMATE.start___ieee754_acosf_#res|)))))) (= (bvadd ULTIMATE.start___ieee754_acosf_~ix~1 (_ bv3229614080 32)) (_ bv0 32)) (exists ((|v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10| (_ BitVec 64)) (~CRM RoundingMode)) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10|)))) (and (= ((_ to_fp 8 24) ~CRM .cse2) (fp ((_ extract 31 31) ULTIMATE.start_main_~res~0) ((_ extract 30 23) ULTIMATE.start_main_~res~0) ((_ extract 22 0) ULTIMATE.start_main_~res~0))) (= .cse2 (_ +zero 11 53))))) (exists ((~CRM RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_acosf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_acosf_~hx~1)) ((_ to_fp 8 24) ~CRM 1.0)))) [2020-12-02 15:40:56,560 INFO L262 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-12-02 15:40:56,560 INFO L262 CegarLoopResult]: For program point L164-3(lines 164 168) no Hoare annotation was computed. [2020-12-02 15:40:56,560 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-02 15:40:56,560 INFO L262 CegarLoopResult]: For program point L65-2(lines 65 71) no Hoare annotation was computed. [2020-12-02 15:40:56,560 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 184) no Hoare annotation was computed. [2020-12-02 15:40:56,561 INFO L262 CegarLoopResult]: For program point L33(lines 33 34) no Hoare annotation was computed. [2020-12-02 15:40:56,561 INFO L262 CegarLoopResult]: For program point L33-1(lines 33 34) no Hoare annotation was computed. [2020-12-02 15:40:56,561 INFO L262 CegarLoopResult]: For program point L67(lines 67 70) no Hoare annotation was computed. [2020-12-02 15:40:56,561 INFO L262 CegarLoopResult]: For program point L67-3(lines 67 70) no Hoare annotation was computed. [2020-12-02 15:40:56,561 INFO L262 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-12-02 15:40:56,561 INFO L262 CegarLoopResult]: For program point L183-2(lines 183 186) no Hoare annotation was computed. [2020-12-02 15:40:56,562 INFO L262 CegarLoopResult]: For program point L101(lines 101 108) no Hoare annotation was computed. [2020-12-02 15:40:56,577 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,581 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:40:56,582 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:40:56,582 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6,QUANTIFIED] [2020-12-02 15:40:56,583 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6,QUANTIFIED] [2020-12-02 15:40:56,583 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6,QUANTIFIED] [2020-12-02 15:40:56,583 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6,QUANTIFIED] [2020-12-02 15:40:56,584 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6,QUANTIFIED] [2020-12-02 15:40:56,584 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6,QUANTIFIED] [2020-12-02 15:40:56,588 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,588 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:40:56,588 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,588 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:40:56,588 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6,QUANTIFIED] [2020-12-02 15:40:56,589 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6,QUANTIFIED] [2020-12-02 15:40:56,589 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6,QUANTIFIED] [2020-12-02 15:40:56,590 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6,QUANTIFIED] [2020-12-02 15:40:56,590 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6,QUANTIFIED] [2020-12-02 15:40:56,590 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6,QUANTIFIED] [2020-12-02 15:40:56,592 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,593 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:40:56,595 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,596 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:40:56,600 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,601 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,602 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,602 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,603 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,603 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,603 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,603 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,604 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,605 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,608 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,610 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,610 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,611 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,611 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,611 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,611 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,612 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,617 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,617 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,618 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,618 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,618 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,618 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,619 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,621 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,621 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,622 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,622 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,622 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,622 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,623 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,623 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,623 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,623 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,625 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,625 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,626 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,626 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,626 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,626 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,627 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,629 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,630 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,630 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,630 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,630 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,631 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,631 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,631 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,631 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,632 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,633 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,634 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,634 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,634 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,635 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,635 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,635 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,635 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,636 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,636 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,636 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,636 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:40:56 BoogieIcfgContainer [2020-12-02 15:40:56,648 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 15:40:56,648 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 15:40:56,649 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 15:40:56,649 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 15:40:56,649 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:39:24" (3/4) ... [2020-12-02 15:40:56,653 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-02 15:40:56,674 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2020-12-02 15:40:56,675 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-12-02 15:40:56,677 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-02 15:40:56,678 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-02 15:40:56,710 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists ~CRM : FloatRoundingMode :: ~to_fp~LONGDOUBLE(~CRM, 1.0) == ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0])) && ~roundNearestTiesToEven == unknown-~CRM-unknown [2020-12-02 15:40:56,711 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists ~CRM : FloatRoundingMode :: ~to_fp~LONGDOUBLE(~CRM, 1.0) == ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0])) && ~roundNearestTiesToEven == unknown-~CRM-unknown) && ~bvadd64(ix, 3229614080bv32) == 0bv32) && (\exists ~CRM : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~to_fp~LONGDOUBLE(~CRM, 1.0))) && (\exists v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6 : bv64 :: ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6[63:63], v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6[62:52], v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6[51:0])) == ~fp~LONGDOUBLE(\result[31:31], \result[30:23], \result[22:0]) && ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6[63:63], v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6[62:52], v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6[51:0]) == ~Pluszero~LONGDOUBLE()) [2020-12-02 15:40:56,712 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\exists v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10 : bv64, ~CRM : FloatRoundingMode :: ~to_fp~LONGDOUBLE(~CRM, ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[63:63], v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[62:52], v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[51:0])) == ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0]) && ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[63:63], v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[62:52], v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[51:0]) == ~Pluszero~LONGDOUBLE()) && (\exists ~CRM : FloatRoundingMode :: ~to_fp~LONGDOUBLE(~CRM, 1.0) == ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0]))) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && (\exists v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10 : bv64, ~CRM : FloatRoundingMode :: ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[63:63], v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[62:52], v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[51:0]) == ~Pluszero~LONGDOUBLE() && ~to_fp~LONGDOUBLE(~CRM, ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[63:63], v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[62:52], v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[51:0])) == ~fp~LONGDOUBLE(\result[31:31], \result[30:23], \result[22:0]))) && ~bvadd64(ix, 3229614080bv32) == 0bv32) && (\exists v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10 : bv64, ~CRM : FloatRoundingMode :: ~to_fp~LONGDOUBLE(~CRM, ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[63:63], v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[62:52], v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[51:0])) == ~fp~LONGDOUBLE(res[31:31], res[30:23], res[22:0]) && ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[63:63], v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[62:52], v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[51:0]) == ~Pluszero~LONGDOUBLE())) && (\exists ~CRM : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~to_fp~LONGDOUBLE(~CRM, 1.0)) [2020-12-02 15:40:56,713 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\exists ~CRM : FloatRoundingMode :: ~to_fp~LONGDOUBLE(~CRM, 1.0) == ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0])) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && (\exists v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10 : bv64, ~CRM : FloatRoundingMode :: ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[63:63], v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[62:52], v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[51:0]) == ~Pluszero~LONGDOUBLE() && ~to_fp~LONGDOUBLE(~CRM, ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[63:63], v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[62:52], v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[51:0])) == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]))) && ~bvadd64(ix, 3229614080bv32) == 0bv32) && \result == 0bv32) && (\exists ~CRM : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~to_fp~LONGDOUBLE(~CRM, 1.0)) [2020-12-02 15:40:56,891 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-02 15:40:56,891 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 15:40:56,892 INFO L168 Benchmark]: Toolchain (without parser) took 107859.19 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 29.0 MB in the beginning and 17.6 MB in the end (delta: 11.4 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.1 GB. [2020-12-02 15:40:56,893 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 41.9 MB. Free memory was 19.7 MB in the beginning and 19.6 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:40:56,893 INFO L168 Benchmark]: CACSL2BoogieTranslator took 522.16 ms. Allocated memory is still 52.4 MB. Free memory was 28.7 MB in the beginning and 34.1 MB in the end (delta: -5.4 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2020-12-02 15:40:56,893 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.99 ms. Allocated memory is still 52.4 MB. Free memory was 34.1 MB in the beginning and 29.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-02 15:40:56,894 INFO L168 Benchmark]: Boogie Preprocessor took 104.43 ms. Allocated memory is still 52.4 MB. Free memory was 29.1 MB in the beginning and 25.6 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:40:56,894 INFO L168 Benchmark]: RCFGBuilder took 15197.76 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 25.6 MB in the beginning and 38.1 MB in the end (delta: -12.5 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. [2020-12-02 15:40:56,901 INFO L168 Benchmark]: TraceAbstraction took 91692.01 ms. Allocated memory is still 62.9 MB. Free memory was 37.6 MB in the beginning and 32.1 MB in the end (delta: 5.6 MB). Peak memory consumption was 26.5 MB. Max. memory is 16.1 GB. [2020-12-02 15:40:56,902 INFO L168 Benchmark]: Witness Printer took 242.82 ms. Allocated memory is still 62.9 MB. Free memory was 31.6 MB in the beginning and 17.6 MB in the end (delta: 14.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-02 15:40:56,904 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 41.9 MB. Free memory was 19.7 MB in the beginning and 19.6 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 522.16 ms. Allocated memory is still 52.4 MB. Free memory was 28.7 MB in the beginning and 34.1 MB in the end (delta: -5.4 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 90.99 ms. Allocated memory is still 52.4 MB. Free memory was 34.1 MB in the beginning and 29.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 104.43 ms. Allocated memory is still 52.4 MB. Free memory was 29.1 MB in the beginning and 25.6 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 15197.76 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 25.6 MB in the beginning and 38.1 MB in the end (delta: -12.5 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 91692.01 ms. Allocated memory is still 62.9 MB. Free memory was 37.6 MB in the beginning and 32.1 MB in the end (delta: 5.6 MB). Peak memory consumption was 26.5 MB. Max. memory is 16.1 GB. * Witness Printer took 242.82 ms. Allocated memory is still 62.9 MB. Free memory was 31.6 MB in the beginning and 17.6 MB in the end (delta: 14.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 184]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 92]: Loop Invariant [2020-12-02 15:40:56,925 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,925 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:40:56,925 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,925 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:40:56,926 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6,QUANTIFIED] [2020-12-02 15:40:56,926 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6,QUANTIFIED] [2020-12-02 15:40:56,926 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6,QUANTIFIED] [2020-12-02 15:40:56,926 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6,QUANTIFIED] [2020-12-02 15:40:56,926 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6,QUANTIFIED] [2020-12-02 15:40:56,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6,QUANTIFIED] [2020-12-02 15:40:56,928 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,928 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:40:56,928 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,929 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:40:56,929 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6,QUANTIFIED] [2020-12-02 15:40:56,929 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6,QUANTIFIED] [2020-12-02 15:40:56,929 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6,QUANTIFIED] [2020-12-02 15:40:56,929 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6,QUANTIFIED] [2020-12-02 15:40:56,930 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6,QUANTIFIED] [2020-12-02 15:40:56,930 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6,QUANTIFIED] Derived loop invariant: ((((\exists ~CRM : FloatRoundingMode :: ~to_fp~LONGDOUBLE(~CRM, 1.0) == ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0])) && ~roundNearestTiesToEven == unknown-~CRM-unknown) && ~bvadd64(ix, 3229614080bv32) == 0bv32) && (\exists ~CRM : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~to_fp~LONGDOUBLE(~CRM, 1.0))) && (\exists v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6 : bv64 :: ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6[63:63], v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6[62:52], v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6[51:0])) == ~fp~LONGDOUBLE(\result[31:31], \result[30:23], \result[22:0]) && ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6[63:63], v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6[62:52], v_ULTIMATE.start___ieee754_acosf_#t~nondet41_6[51:0]) == ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 95]: Loop Invariant [2020-12-02 15:40:56,931 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,931 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:40:56,931 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,932 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\exists ~CRM : FloatRoundingMode :: ~to_fp~LONGDOUBLE(~CRM, 1.0) == ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0])) && ~roundNearestTiesToEven == unknown-~CRM-unknown - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 161]: Loop Invariant [2020-12-02 15:40:56,933 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,933 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,933 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,934 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,934 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,934 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,934 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,934 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,935 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,935 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,936 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,936 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,936 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,936 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,936 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,937 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,937 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,937 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] Derived loop invariant: (((((\exists ~CRM : FloatRoundingMode :: ~to_fp~LONGDOUBLE(~CRM, 1.0) == ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0])) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && (\exists v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10 : bv64, ~CRM : FloatRoundingMode :: ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[63:63], v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[62:52], v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[51:0]) == ~Pluszero~LONGDOUBLE() && ~to_fp~LONGDOUBLE(~CRM, ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[63:63], v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[62:52], v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[51:0])) == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]))) && ~bvadd64(ix, 3229614080bv32) == 0bv32) && \result == 0bv32) && (\exists ~CRM : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~to_fp~LONGDOUBLE(~CRM, 1.0)) - InvariantResult [Line: 164]: Loop Invariant [2020-12-02 15:40:56,938 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,938 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,939 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,939 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,939 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,939 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,939 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,940 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,940 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,940 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,940 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,941 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,941 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,941 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,941 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,941 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,942 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,942 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,942 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,942 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,942 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,943 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,943 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,944 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,944 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,944 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,945 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,945 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,945 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,945 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,947 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,947 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,947 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,947 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 15:40:56,948 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,948 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,948 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,948 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,948 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,949 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10,QUANTIFIED] [2020-12-02 15:40:56,949 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] Derived loop invariant: ((((((\exists v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10 : bv64, ~CRM : FloatRoundingMode :: ~to_fp~LONGDOUBLE(~CRM, ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[63:63], v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[62:52], v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[51:0])) == ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0]) && ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[63:63], v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[62:52], v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[51:0]) == ~Pluszero~LONGDOUBLE()) && (\exists ~CRM : FloatRoundingMode :: ~to_fp~LONGDOUBLE(~CRM, 1.0) == ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0]))) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && (\exists v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10 : bv64, ~CRM : FloatRoundingMode :: ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[63:63], v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[62:52], v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[51:0]) == ~Pluszero~LONGDOUBLE() && ~to_fp~LONGDOUBLE(~CRM, ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[63:63], v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[62:52], v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[51:0])) == ~fp~LONGDOUBLE(\result[31:31], \result[30:23], \result[22:0]))) && ~bvadd64(ix, 3229614080bv32) == 0bv32) && (\exists v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10 : bv64, ~CRM : FloatRoundingMode :: ~to_fp~LONGDOUBLE(~CRM, ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[63:63], v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[62:52], v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[51:0])) == ~fp~LONGDOUBLE(res[31:31], res[30:23], res[22:0]) && ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[63:63], v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[62:52], v_ULTIMATE.start___ieee754_acosf_#t~nondet41_10[51:0]) == ~Pluszero~LONGDOUBLE())) && (\exists ~CRM : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~to_fp~LONGDOUBLE(~CRM, 1.0)) - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 75.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 58.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 268 SDtfs, 385 SDslu, 279 SDs, 0 SdLazy, 75 SolverSat, 4 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 26.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 81 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 41.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=76occurred 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, 5 MinimizatonAttempts, 31 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 16 PreInvPairs, 21 NumberOfFragments, 266 HoareAnnotationTreeSize, 16 FomulaSimplifications, 209 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 16 FomulaSimplificationsInter, 28 FormulaSimplificationTreeSizeReductionInter, 15.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 12.0s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 106 ConstructedInterpolants, 16 QuantifiedInterpolants, 5360 SizeOfPredicates, 26 NumberOfNonLiveVariables, 409 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...