./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cdfpl/sine_8.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf 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 ../sv-benchmarks/c/floats-cdfpl/sine_8.i -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 777ab7bbbfaa7c4d0e6d23038b87bd987d954353 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 ../sv-benchmarks/c/floats-cdfpl/sine_8.i -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 777ab7bbbfaa7c4d0e6d23038b87bd987d954353 .................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 06:27:30,774 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 06:27:30,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 06:27:30,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 06:27:30,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 06:27:30,800 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 06:27:30,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 06:27:30,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 06:27:30,803 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 06:27:30,803 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 06:27:30,804 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 06:27:30,805 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 06:27:30,805 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 06:27:30,806 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 06:27:30,807 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 06:27:30,808 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 06:27:30,808 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 06:27:30,809 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 06:27:30,810 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 06:27:30,811 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 06:27:30,812 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 06:27:30,813 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 06:27:30,814 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 06:27:30,815 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 06:27:30,817 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 06:27:30,817 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 06:27:30,817 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 06:27:30,818 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 06:27:30,818 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 06:27:30,819 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 06:27:30,819 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 06:27:30,820 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 06:27:30,820 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 06:27:30,821 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 06:27:30,821 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 06:27:30,822 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 06:27:30,822 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 06:27:30,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 06:27:30,823 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 06:27:30,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 06:27:30,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 06:27:30,824 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 06:27:30,839 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 06:27:30,839 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 06:27:30,839 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 06:27:30,839 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 06:27:30,840 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 06:27:30,840 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 06:27:30,840 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 06:27:30,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 06:27:30,840 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 06:27:30,841 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 06:27:30,841 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 06:27:30,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 06:27:30,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 06:27:30,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 06:27:30,841 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 06:27:30,841 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 06:27:30,842 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 06:27:30,842 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 06:27:30,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 06:27:30,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 06:27:30,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 06:27:30,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 06:27:30,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 06:27:30,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 06:27:30,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 06:27:30,843 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 06:27:30,843 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 06:27:30,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 06:27:30,843 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 06:27:30,843 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 06:27:30,843 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 777ab7bbbfaa7c4d0e6d23038b87bd987d954353 [2021-08-29 06:27:31,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 06:27:31,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 06:27:31,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 06:27:31,089 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 06:27:31,090 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 06:27:31,091 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/sine_8.i [2021-08-29 06:27:31,133 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3629f5e2c/a0bc7f884c6d4454a53ea30ae67e6965/FLAG935f598e4 [2021-08-29 06:27:31,480 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 06:27:31,480 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/sine_8.i [2021-08-29 06:27:31,484 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3629f5e2c/a0bc7f884c6d4454a53ea30ae67e6965/FLAG935f598e4 [2021-08-29 06:27:31,500 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3629f5e2c/a0bc7f884c6d4454a53ea30ae67e6965 [2021-08-29 06:27:31,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 06:27:31,504 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 06:27:31,506 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 06:27:31,506 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 06:27:31,509 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 06:27:31,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 06:27:31" (1/1) ... [2021-08-29 06:27:31,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@770b7fb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:27:31, skipping insertion in model container [2021-08-29 06:27:31,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 06:27:31" (1/1) ... [2021-08-29 06:27:31,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 06:27:31,528 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 06:27:31,631 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/sine_8.i[1143,1156] [2021-08-29 06:27:31,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 06:27:31,638 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 06:27:31,651 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/sine_8.i[1143,1156] [2021-08-29 06:27:31,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 06:27:31,668 INFO L208 MainTranslator]: Completed translation [2021-08-29 06:27:31,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:27:31 WrapperNode [2021-08-29 06:27:31,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 06:27:31,672 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 06:27:31,672 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 06:27:31,672 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 06:27:31,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:27:31" (1/1) ... [2021-08-29 06:27:31,695 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:27:31" (1/1) ... [2021-08-29 06:27:31,709 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 06:27:31,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 06:27:31,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 06:27:31,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 06:27:31,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:27:31" (1/1) ... [2021-08-29 06:27:31,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:27:31" (1/1) ... [2021-08-29 06:27:31,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:27:31" (1/1) ... [2021-08-29 06:27:31,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:27:31" (1/1) ... [2021-08-29 06:27:31,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:27:31" (1/1) ... [2021-08-29 06:27:31,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:27:31" (1/1) ... [2021-08-29 06:27:31,738 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:27:31" (1/1) ... [2021-08-29 06:27:31,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 06:27:31,741 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 06:27:31,741 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 06:27:31,741 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 06:27:31,742 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:27:31" (1/1) ... [2021-08-29 06:27:31,747 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 06:27:31,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 06:27:31,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-29 06:27:31,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-29 06:27:31,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 06:27:31,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 06:27:31,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 06:27:31,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 06:27:31,910 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 06:27:31,910 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-08-29 06:27:31,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:27:31 BoogieIcfgContainer [2021-08-29 06:27:31,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 06:27:31,913 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 06:27:31,913 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 06:27:31,915 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 06:27:31,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 06:27:31" (1/3) ... [2021-08-29 06:27:31,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d6ae359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 06:27:31, skipping insertion in model container [2021-08-29 06:27:31,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:27:31" (2/3) ... [2021-08-29 06:27:31,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d6ae359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 06:27:31, skipping insertion in model container [2021-08-29 06:27:31,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:27:31" (3/3) ... [2021-08-29 06:27:31,917 INFO L111 eAbstractionObserver]: Analyzing ICFG sine_8.i [2021-08-29 06:27:31,921 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 06:27:31,921 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-29 06:27:31,957 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 06:27:31,963 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-29 06:27:31,963 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-29 06:27:31,972 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 06:27:31,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-08-29 06:27:31,976 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 06:27:31,976 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-08-29 06:27:31,977 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 06:27:31,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 06:27:31,985 INFO L82 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times [2021-08-29 06:27:31,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 06:27:31,995 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408319220] [2021-08-29 06:27:31,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 06:27:31,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 06:27:32,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 06:27:32,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 06:27:32,124 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 06:27:32,124 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408319220] [2021-08-29 06:27:32,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408319220] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 06:27:32,125 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 06:27:32,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 06:27:32,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389024889] [2021-08-29 06:27:32,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-29 06:27:32,129 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 06:27:32,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-29 06:27:32,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 06:27:32,145 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 06:27:32,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 06:27:32,179 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2021-08-29 06:27:32,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-29 06:27:32,182 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-08-29 06:27:32,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 06:27:32,186 INFO L225 Difference]: With dead ends: 19 [2021-08-29 06:27:32,186 INFO L226 Difference]: Without dead ends: 7 [2021-08-29 06:27:32,188 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 06:27:32,190 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.11ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.43ms IncrementalHoareTripleChecker+Time [2021-08-29 06:27:32,191 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 10 Unknown, 0 Unchecked, 0.11ms Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 25.43ms Time] [2021-08-29 06:27:32,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2021-08-29 06:27:32,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2021-08-29 06:27:32,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 06:27:32,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2021-08-29 06:27:32,207 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2021-08-29 06:27:32,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 06:27:32,207 INFO L470 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2021-08-29 06:27:32,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 06:27:32,208 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2021-08-29 06:27:32,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-08-29 06:27:32,208 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 06:27:32,208 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-08-29 06:27:32,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 06:27:32,209 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 06:27:32,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 06:27:32,209 INFO L82 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2021-08-29 06:27:32,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 06:27:32,210 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597838333] [2021-08-29 06:27:32,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 06:27:32,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 06:27:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-29 06:27:32,223 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-29 06:27:32,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-29 06:27:32,241 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-29 06:27:32,241 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-08-29 06:27:32,242 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-08-29 06:27:32,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 06:27:32,247 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 06:27:32,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 06:27:32 BoogieIcfgContainer [2021-08-29 06:27:32,257 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 06:27:32,257 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 06:27:32,258 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 06:27:32,258 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 06:27:32,258 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:27:31" (3/4) ... [2021-08-29 06:27:32,260 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-29 06:27:32,260 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 06:27:32,261 INFO L158 Benchmark]: Toolchain (without parser) took 756.24ms. Allocated memory is still 62.9MB. Free memory was 44.3MB in the beginning and 31.1MB in the end (delta: 13.2MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2021-08-29 06:27:32,261 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 62.9MB. Free memory was 45.6MB in the beginning and 45.5MB in the end (delta: 85.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 06:27:32,261 INFO L158 Benchmark]: CACSL2BoogieTranslator took 162.71ms. Allocated memory is still 62.9MB. Free memory was 44.1MB in the beginning and 47.7MB in the end (delta: -3.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-08-29 06:27:32,262 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.24ms. Allocated memory is still 62.9MB. Free memory was 47.7MB in the beginning and 46.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 06:27:32,262 INFO L158 Benchmark]: Boogie Preprocessor took 30.26ms. Allocated memory is still 62.9MB. Free memory was 46.1MB in the beginning and 45.1MB in the end (delta: 982.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 06:27:32,262 INFO L158 Benchmark]: RCFGBuilder took 171.29ms. Allocated memory is still 62.9MB. Free memory was 45.1MB in the beginning and 37.4MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-08-29 06:27:32,263 INFO L158 Benchmark]: TraceAbstraction took 343.97ms. Allocated memory is still 62.9MB. Free memory was 36.9MB in the beginning and 31.4MB in the end (delta: 5.6MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2021-08-29 06:27:32,263 INFO L158 Benchmark]: Witness Printer took 2.58ms. Allocated memory is still 62.9MB. Free memory was 31.4MB in the beginning and 31.1MB in the end (delta: 287.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 06:27:32,265 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 62.9MB. Free memory was 45.6MB in the beginning and 45.5MB in the end (delta: 85.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 162.71ms. Allocated memory is still 62.9MB. Free memory was 44.1MB in the beginning and 47.7MB in the end (delta: -3.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.24ms. Allocated memory is still 62.9MB. Free memory was 47.7MB in the beginning and 46.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.26ms. Allocated memory is still 62.9MB. Free memory was 46.1MB in the beginning and 45.1MB in the end (delta: 982.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 171.29ms. Allocated memory is still 62.9MB. Free memory was 45.1MB in the beginning and 37.4MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 343.97ms. Allocated memory is still 62.9MB. Free memory was 36.9MB in the beginning and 31.4MB in the end (delta: 5.6MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Witness Printer took 2.58ms. Allocated memory is still 62.9MB. Free memory was 31.4MB in the beginning and 31.1MB in the end (delta: 287.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 28]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 27, overapproximation of someBinaryArithmeticFLOAToperation at line 25. Possible FailurePath: [L20] float IN = __VERIFIER_nondet_float(); [L15] COND FALSE !(!cond) [L23] float x = IN; [L25] float result = x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L27] COND TRUE !(result <= 2.0f && result >= -2.0f) [L28] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 290.61ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 6.05ms, AutomataDifference: 62.71ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 0.00ms, InitialAbstractionConstructionTime: 6.82ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 25.43ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 22.37ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 10 mSolverCounterSat, 0.11ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 7.69ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 8.55ms SsaConstructionTime, 32.40ms SatisfiabilityAnalysisTime, 49.72ms InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 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 [2021-08-29 06:27:32,325 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 06:27:34,015 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2021-08-29 06:27:34,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 06:27:34,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 06:27:34,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 06:27:34,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 06:27:34,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 06:27:34,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 06:27:34,055 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 06:27:34,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 06:27:34,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 06:27:34,056 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 06:27:34,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 06:27:34,057 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-08-29 06:27:34,072 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 06:27:34,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 06:27:34,072 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 06:27:34,072 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 06:27:34,073 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 06:27:34,073 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 06:27:34,074 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 06:27:34,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 06:27:34,074 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 06:27:34,074 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 06:27:34,074 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 06:27:34,075 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 06:27:34,075 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 06:27:34,075 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 06:27:34,075 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-29 06:27:34,075 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-29 06:27:34,075 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 06:27:34,076 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 06:27:34,076 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 06:27:34,076 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 06:27:34,076 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 06:27:34,078 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 06:27:34,079 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 06:27:34,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 06:27:34,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 06:27:34,081 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 06:27:34,081 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 06:27:34,081 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-29 06:27:34,081 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-29 06:27:34,082 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 06:27:34,082 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 06:27:34,082 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-29 06:27:34,082 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 777ab7bbbfaa7c4d0e6d23038b87bd987d954353 [2021-08-29 06:27:34,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 06:27:34,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 06:27:34,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 06:27:34,368 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 06:27:34,369 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 06:27:34,370 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/sine_8.i [2021-08-29 06:27:34,430 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f640a0734/0f7ff2f0cc8f4b1a9d1b5599792c0a44/FLAG5a42d1c10 [2021-08-29 06:27:34,754 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 06:27:34,760 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/sine_8.i [2021-08-29 06:27:34,766 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f640a0734/0f7ff2f0cc8f4b1a9d1b5599792c0a44/FLAG5a42d1c10 [2021-08-29 06:27:34,774 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f640a0734/0f7ff2f0cc8f4b1a9d1b5599792c0a44 [2021-08-29 06:27:34,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 06:27:34,777 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 06:27:34,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 06:27:34,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 06:27:34,780 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 06:27:34,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 06:27:34" (1/1) ... [2021-08-29 06:27:34,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d46be70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:27:34, skipping insertion in model container [2021-08-29 06:27:34,782 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 06:27:34" (1/1) ... [2021-08-29 06:27:34,786 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 06:27:34,794 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 06:27:34,888 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/sine_8.i[1143,1156] [2021-08-29 06:27:34,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 06:27:34,897 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 06:27:34,906 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/sine_8.i[1143,1156] [2021-08-29 06:27:34,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 06:27:34,922 INFO L208 MainTranslator]: Completed translation [2021-08-29 06:27:34,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:27:34 WrapperNode [2021-08-29 06:27:34,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 06:27:34,924 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 06:27:34,924 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 06:27:34,924 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 06:27:34,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:27:34" (1/1) ... [2021-08-29 06:27:34,940 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:27:34" (1/1) ... [2021-08-29 06:27:34,965 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 06:27:34,966 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 06:27:34,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 06:27:34,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 06:27:34,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:27:34" (1/1) ... [2021-08-29 06:27:34,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:27:34" (1/1) ... [2021-08-29 06:27:34,974 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:27:34" (1/1) ... [2021-08-29 06:27:34,974 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:27:34" (1/1) ... [2021-08-29 06:27:34,987 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:27:34" (1/1) ... [2021-08-29 06:27:34,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:27:34" (1/1) ... [2021-08-29 06:27:34,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:27:34" (1/1) ... [2021-08-29 06:27:34,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 06:27:34,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 06:27:34,997 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 06:27:34,997 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 06:27:34,997 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:27:34" (1/1) ... [2021-08-29 06:27:35,002 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 06:27:35,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 06:27:35,031 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-29 06:27:35,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-29 06:27:35,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-08-29 06:27:35,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 06:27:35,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 06:27:35,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 06:27:35,224 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 06:27:35,224 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-08-29 06:27:35,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:27:35 BoogieIcfgContainer [2021-08-29 06:27:35,226 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 06:27:35,228 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 06:27:35,228 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 06:27:35,229 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 06:27:35,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 06:27:34" (1/3) ... [2021-08-29 06:27:35,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e88aee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 06:27:35, skipping insertion in model container [2021-08-29 06:27:35,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:27:34" (2/3) ... [2021-08-29 06:27:35,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e88aee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 06:27:35, skipping insertion in model container [2021-08-29 06:27:35,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:27:35" (3/3) ... [2021-08-29 06:27:35,232 INFO L111 eAbstractionObserver]: Analyzing ICFG sine_8.i [2021-08-29 06:27:35,235 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 06:27:35,236 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-29 06:27:35,270 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 06:27:35,276 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-29 06:27:35,276 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-29 06:27:35,285 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 06:27:35,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-08-29 06:27:35,295 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 06:27:35,295 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-08-29 06:27:35,296 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 06:27:35,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 06:27:35,301 INFO L82 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times [2021-08-29 06:27:35,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-29 06:27:35,308 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1186129762] [2021-08-29 06:27:35,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 06:27:35,309 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-29 06:27:35,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-29 06:27:35,311 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-29 06:27:35,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-08-29 06:27:35,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 06:27:35,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjunts are in the unsatisfiable core [2021-08-29 06:27:35,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 06:27:35,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 06:27:35,888 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 06:27:35,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 06:27:35,902 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-29 06:27:35,902 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1186129762] [2021-08-29 06:27:35,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1186129762] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-29 06:27:35,903 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-29 06:27:35,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-08-29 06:27:35,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991788216] [2021-08-29 06:27:35,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-29 06:27:35,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-29 06:27:35,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-29 06:27:35,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 06:27:35,923 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 06:27:38,932 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.99s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-08-29 06:27:39,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 06:27:39,205 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2021-08-29 06:27:39,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-29 06:27:39,208 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-08-29 06:27:39,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 06:27:39,212 INFO L225 Difference]: With dead ends: 19 [2021-08-29 06:27:39,212 INFO L226 Difference]: Without dead ends: 7 [2021-08-29 06:27:39,213 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.04ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 06:27:39,215 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3036.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.17ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3270.84ms IncrementalHoareTripleChecker+Time [2021-08-29 06:27:39,218 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 10 Unknown, 0 Unchecked, 0.17ms Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 1 Unknown, 0 Unchecked, 3270.84ms Time] [2021-08-29 06:27:39,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2021-08-29 06:27:39,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2021-08-29 06:27:39,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 06:27:39,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2021-08-29 06:27:39,252 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2021-08-29 06:27:39,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 06:27:39,252 INFO L470 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2021-08-29 06:27:39,266 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 06:27:39,266 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2021-08-29 06:27:39,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-08-29 06:27:39,267 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 06:27:39,267 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-08-29 06:27:39,284 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-08-29 06:27:39,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-29 06:27:39,468 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 06:27:39,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 06:27:39,469 INFO L82 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2021-08-29 06:27:39,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-29 06:27:39,469 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1418648662] [2021-08-29 06:27:39,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 06:27:39,469 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-29 06:27:39,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-29 06:27:39,473 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-29 06:27:39,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-08-29 06:31:14,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 06:31:14,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-29 06:31:14,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 06:31:30,685 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((ULTIMATE.start_main_~IN~0 (_ FloatingPoint 8 24))) (let ((.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (and (= c_ULTIMATE.start_main_~result~0 (let ((.cse0 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ULTIMATE.start_main_~IN~0 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (let ((.cse1 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode ULTIMATE.start_main_~IN~0 (fp.div c_currentRoundingMode .cse0 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse1 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) c_currentRoundingMode 5040.0)))))) (fp.gt ULTIMATE.start_main_~IN~0 (fp.neg .cse2)) (fp.lt ULTIMATE.start_main_~IN~0 .cse2)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-08-29 06:32:25,678 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~IN~0 (_ FloatingPoint 8 24))) (let ((.cse4 ((_ to_fp 8 24) roundNearestTiesToEven (/ 157079632679.0 100000000000.0)))) (and (let ((.cse0 (let ((.cse2 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~IN~0 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (let ((.cse3 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse2 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven ULTIMATE.start_main_~IN~0 (fp.div roundNearestTiesToEven .cse2 ((_ to_fp 8 24) roundNearestTiesToEven 6.0))) (fp.div roundNearestTiesToEven .cse3 ((_ to_fp 8 24) roundNearestTiesToEven 120.0))) (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse3 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) roundNearestTiesToEven 5040.0)))))) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 2.0))) (or (not (fp.leq .cse0 .cse1)) (not (fp.geq .cse0 (fp.neg .cse1))))) (fp.lt ULTIMATE.start_main_~IN~0 .cse4) (fp.gt ULTIMATE.start_main_~IN~0 (fp.neg .cse4))))) is different from false [2021-08-29 06:32:27,805 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~IN~0 (_ FloatingPoint 8 24))) (let ((.cse4 ((_ to_fp 8 24) roundNearestTiesToEven (/ 157079632679.0 100000000000.0)))) (and (let ((.cse0 (let ((.cse2 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~IN~0 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (let ((.cse3 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse2 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven ULTIMATE.start_main_~IN~0 (fp.div roundNearestTiesToEven .cse2 ((_ to_fp 8 24) roundNearestTiesToEven 6.0))) (fp.div roundNearestTiesToEven .cse3 ((_ to_fp 8 24) roundNearestTiesToEven 120.0))) (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse3 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) roundNearestTiesToEven 5040.0)))))) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 2.0))) (or (not (fp.leq .cse0 .cse1)) (not (fp.geq .cse0 (fp.neg .cse1))))) (fp.lt ULTIMATE.start_main_~IN~0 .cse4) (fp.gt ULTIMATE.start_main_~IN~0 (fp.neg .cse4))))) is different from true [2021-08-29 06:32:27,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 06:32:27,805 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 06:32:33,214 WARN L210 SmtUtils]: Spent 5.24s on a formula simplification that was a NOOP. DAG size: 24 [2021-08-29 06:32:38,351 WARN L210 SmtUtils]: Spent 5.14s on a formula simplification that was a NOOP. DAG size: 23 [2021-08-29 06:32:40,631 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (let ((.cse2 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (let ((.cse3 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 (fp.div c_currentRoundingMode .cse2 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse3 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse3 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) c_currentRoundingMode 5040.0)))))) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode 2.0))) (and (fp.geq .cse0 (fp.neg .cse1)) (fp.leq .cse0 .cse1))) is different from false [2021-08-29 06:32:42,915 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (let ((.cse2 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (let ((.cse3 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 (fp.div c_currentRoundingMode .cse2 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse3 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse3 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) c_currentRoundingMode 5040.0)))))) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode 2.0))) (and (fp.geq .cse0 (fp.neg .cse1)) (fp.leq .cse0 .cse1))) is different from true [2021-08-29 06:32:48,091 WARN L210 SmtUtils]: Spent 5.16s on a formula simplification that was a NOOP. DAG size: 3 [2021-08-29 06:32:53,236 WARN L210 SmtUtils]: Spent 5.14s on a formula simplification that was a NOOP. DAG size: 24 [2021-08-29 06:32:58,401 WARN L210 SmtUtils]: Spent 5.16s on a formula simplification that was a NOOP. DAG size: 23 [2021-08-29 06:33:00,701 WARN L838 $PredicateComparison]: unable to prove that (or (= c_ULTIMATE.start_assume_abort_if_not_~cond (_ bv0 32)) (let ((.cse0 (let ((.cse2 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (let ((.cse3 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 (fp.div c_currentRoundingMode .cse2 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse3 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse3 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) c_currentRoundingMode 5040.0)))))) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode 2.0))) (and (fp.geq .cse0 (fp.neg .cse1)) (fp.leq .cse0 .cse1)))) is different from false [2021-08-29 06:33:02,981 WARN L860 $PredicateComparison]: unable to prove that (or (= c_ULTIMATE.start_assume_abort_if_not_~cond (_ bv0 32)) (let ((.cse0 (let ((.cse2 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (let ((.cse3 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 (fp.div c_currentRoundingMode .cse2 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse3 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse3 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) c_currentRoundingMode 5040.0)))))) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode 2.0))) (and (fp.geq .cse0 (fp.neg .cse1)) (fp.leq .cse0 .cse1)))) is different from true [2021-08-29 06:33:12,731 WARN L210 SmtUtils]: Spent 5.15s on a formula simplification that was a NOOP. DAG size: 6 [2021-08-29 06:33:17,912 WARN L210 SmtUtils]: Spent 5.18s on a formula simplification that was a NOOP. DAG size: 7 [2021-08-29 06:33:23,063 WARN L210 SmtUtils]: Spent 5.15s on a formula simplification that was a NOOP. DAG size: 6 [2021-08-29 06:33:32,828 WARN L210 SmtUtils]: Spent 5.17s on a formula simplification that was a NOOP. DAG size: 7 [2021-08-29 06:33:37,991 WARN L210 SmtUtils]: Spent 5.16s on a formula simplification that was a NOOP. DAG size: 6 [2021-08-29 06:33:43,165 WARN L210 SmtUtils]: Spent 5.17s on a formula simplification that was a NOOP. DAG size: 23 [2021-08-29 06:33:48,333 WARN L210 SmtUtils]: Spent 5.17s on a formula simplification that was a NOOP. DAG size: 24 [2021-08-29 06:33:53,503 WARN L210 SmtUtils]: Spent 5.17s on a formula simplification that was a NOOP. DAG size: 7 [2021-08-29 06:33:55,707 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~IN~0_5 (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (or (not (fp.lt v_ULTIMATE.start_main_~IN~0_5 .cse0)) (let ((.cse1 (let ((.cse3 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode v_ULTIMATE.start_main_~IN~0_5 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5))) (let ((.cse4 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse3 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode v_ULTIMATE.start_main_~IN~0_5 (fp.div c_currentRoundingMode .cse3 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse4 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse4 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5) ((_ to_fp 8 24) c_currentRoundingMode 5040.0)))))) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode 2.0))) (and (fp.leq .cse1 .cse2) (fp.geq .cse1 (fp.neg .cse2)))) (not (fp.gt v_ULTIMATE.start_main_~IN~0_5 (fp.neg .cse0)))))) is different from false [2021-08-29 06:33:58,000 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~IN~0_5 (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (or (not (fp.lt v_ULTIMATE.start_main_~IN~0_5 .cse0)) (let ((.cse1 (let ((.cse3 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode v_ULTIMATE.start_main_~IN~0_5 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5))) (let ((.cse4 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse3 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode v_ULTIMATE.start_main_~IN~0_5 (fp.div c_currentRoundingMode .cse3 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse4 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse4 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5) ((_ to_fp 8 24) c_currentRoundingMode 5040.0)))))) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode 2.0))) (and (fp.leq .cse1 .cse2) (fp.geq .cse1 (fp.neg .cse2)))) (not (fp.gt v_ULTIMATE.start_main_~IN~0_5 (fp.neg .cse0)))))) is different from true [2021-08-29 06:33:58,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 06:33:58,000 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-29 06:33:58,001 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1418648662] [2021-08-29 06:33:58,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1418648662] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-29 06:33:58,001 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-29 06:33:58,001 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 10 [2021-08-29 06:33:58,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583402642] [2021-08-29 06:33:58,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-29 06:33:58,002 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-29 06:33:58,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-29 06:33:58,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=20, Unknown=9, NotChecked=60, Total=110 [2021-08-29 06:33:58,003 INFO L87 Difference]: Start difference. First operand 7 states and 6 transitions. Second operand has 11 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 06:34:00,244 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_main_~IN~0_5 (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (or (not (fp.lt v_ULTIMATE.start_main_~IN~0_5 .cse0)) (let ((.cse1 (let ((.cse3 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode v_ULTIMATE.start_main_~IN~0_5 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5))) (let ((.cse4 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse3 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode v_ULTIMATE.start_main_~IN~0_5 (fp.div c_currentRoundingMode .cse3 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse4 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse4 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5) ((_ to_fp 8 24) c_currentRoundingMode 5040.0)))))) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode 2.0))) (and (fp.leq .cse1 .cse2) (fp.geq .cse1 (fp.neg .cse2)))) (not (fp.gt v_ULTIMATE.start_main_~IN~0_5 (fp.neg .cse0)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-08-29 06:34:02,523 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_main_~IN~0_5 (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (or (not (fp.lt v_ULTIMATE.start_main_~IN~0_5 .cse0)) (let ((.cse1 (let ((.cse3 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode v_ULTIMATE.start_main_~IN~0_5 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5))) (let ((.cse4 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse3 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode v_ULTIMATE.start_main_~IN~0_5 (fp.div c_currentRoundingMode .cse3 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse4 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse4 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5) ((_ to_fp 8 24) c_currentRoundingMode 5040.0)))))) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode 2.0))) (and (fp.leq .cse1 .cse2) (fp.geq .cse1 (fp.neg .cse2)))) (not (fp.gt v_ULTIMATE.start_main_~IN~0_5 (fp.neg .cse0)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2021-08-29 06:34:04,703 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (= c_ULTIMATE.start_assume_abort_if_not_~cond (_ bv0 32)))) (and (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (let ((.cse0 (fp.gt c_ULTIMATE.start_main_~IN~0 (fp.neg .cse3))) (.cse1 (fp.lt c_ULTIMATE.start_main_~IN~0 .cse3))) (or (and (= c_ULTIMATE.start_assume_abort_if_not_~cond (_ bv1 32)) .cse0 .cse1) (and .cse2 (or (not .cse0) (not .cse1)))))) (or .cse2 (let ((.cse4 (let ((.cse6 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (let ((.cse7 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse6 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 (fp.div c_currentRoundingMode .cse6 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse7 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse7 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) c_currentRoundingMode 5040.0)))))) (.cse5 ((_ to_fp 8 24) c_currentRoundingMode 2.0))) (and (fp.geq .cse4 (fp.neg .cse5)) (fp.leq .cse4 .cse5)))) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2021-08-29 06:34:07,012 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse2 (= c_ULTIMATE.start_assume_abort_if_not_~cond (_ bv0 32)))) (and (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (let ((.cse0 (fp.gt c_ULTIMATE.start_main_~IN~0 (fp.neg .cse3))) (.cse1 (fp.lt c_ULTIMATE.start_main_~IN~0 .cse3))) (or (and (= c_ULTIMATE.start_assume_abort_if_not_~cond (_ bv1 32)) .cse0 .cse1) (and .cse2 (or (not .cse0) (not .cse1)))))) (or .cse2 (let ((.cse4 (let ((.cse6 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (let ((.cse7 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse6 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 (fp.div c_currentRoundingMode .cse6 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse7 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse7 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) c_currentRoundingMode 5040.0)))))) (.cse5 ((_ to_fp 8 24) c_currentRoundingMode 2.0))) (and (fp.geq .cse4 (fp.neg .cse5)) (fp.leq .cse4 .cse5)))) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2021-08-29 06:34:09,196 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (let ((.cse3 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (let ((.cse4 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse3 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 (fp.div c_currentRoundingMode .cse3 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse4 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse4 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) c_currentRoundingMode 5040.0)))))) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode 2.0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (and (fp.geq .cse0 (fp.neg .cse1)) (fp.leq .cse0 .cse1) (fp.gt c_ULTIMATE.start_main_~IN~0 (fp.neg .cse2)) (fp.lt c_ULTIMATE.start_main_~IN~0 .cse2) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2021-08-29 06:34:11,493 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (let ((.cse3 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (let ((.cse4 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse3 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 (fp.div c_currentRoundingMode .cse3 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse4 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse4 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) c_currentRoundingMode 5040.0)))))) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode 2.0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (and (fp.geq .cse0 (fp.neg .cse1)) (fp.leq .cse0 .cse1) (fp.gt c_ULTIMATE.start_main_~IN~0 (fp.neg .cse2)) (fp.lt c_ULTIMATE.start_main_~IN~0 .cse2) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2021-08-29 06:34:13,684 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode 2.0))) (and (exists ((ULTIMATE.start_main_~IN~0 (_ FloatingPoint 8 24))) (let ((.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (and (= c_ULTIMATE.start_main_~result~0 (let ((.cse0 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ULTIMATE.start_main_~IN~0 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (let ((.cse1 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode ULTIMATE.start_main_~IN~0 (fp.div c_currentRoundingMode .cse0 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse1 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) c_currentRoundingMode 5040.0)))))) (fp.gt ULTIMATE.start_main_~IN~0 (fp.neg .cse2)) (fp.lt ULTIMATE.start_main_~IN~0 .cse2)))) (fp.geq c_ULTIMATE.start_main_~result~0 (fp.neg .cse3)) (fp.leq c_ULTIMATE.start_main_~result~0 .cse3) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2021-08-29 06:34:13,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 06:34:13,704 INFO L93 Difference]: Finished difference Result 7 states and 6 transitions. [2021-08-29 06:34:13,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-29 06:34:13,704 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-08-29 06:34:13,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 06:34:13,705 INFO L225 Difference]: With dead ends: 7 [2021-08-29 06:34:13,705 INFO L226 Difference]: Without dead ends: 0 [2021-08-29 06:34:13,705 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 9 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 36128.54ms TimeCoverageRelationStatistics Valid=29, Invalid=21, Unknown=16, NotChecked=144, Total=210 [2021-08-29 06:34:13,706 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 90.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.16ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 7 IncrementalHoareTripleChecker+Unchecked, 96.85ms IncrementalHoareTripleChecker+Time [2021-08-29 06:34:13,708 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 11 Unknown, 0 Unchecked, 0.16ms Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 7 Unchecked, 96.85ms Time] [2021-08-29 06:34:13,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-29 06:34:13,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-29 06:34:13,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 06:34:13,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-29 06:34:13,709 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2021-08-29 06:34:13,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 06:34:13,709 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-29 06:34:13,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 06:34:13,709 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-29 06:34:13,710 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-29 06:34:13,711 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-08-29 06:34:13,738 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-08-29 06:34:13,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-29 06:34:13,915 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-29 06:34:13,917 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 06:34:13,967 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-29 06:34:13,967 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-29 06:34:13,968 INFO L861 garLoopResultBuilder]: At program point L30(lines 18 31) the Hoare annotation is: true [2021-08-29 06:34:13,969 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-29 06:34:13,969 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-29 06:34:13,969 INFO L858 garLoopResultBuilder]: For program point L28(line 28) no Hoare annotation was computed. [2021-08-29 06:34:13,969 INFO L858 garLoopResultBuilder]: For program point L27(lines 27 28) no Hoare annotation was computed. [2021-08-29 06:34:13,970 INFO L858 garLoopResultBuilder]: For program point L27-2(lines 27 28) no Hoare annotation was computed. [2021-08-29 06:34:13,970 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 28) no Hoare annotation was computed. [2021-08-29 06:34:13,971 INFO L858 garLoopResultBuilder]: For program point L15(line 15) no Hoare annotation was computed. [2021-08-29 06:34:13,971 INFO L858 garLoopResultBuilder]: For program point L14(lines 14 16) no Hoare annotation was computed. [2021-08-29 06:34:13,975 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 06:34:13,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 06:34:13 BoogieIcfgContainer [2021-08-29 06:34:13,981 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 06:34:13,982 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 06:34:13,982 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 06:34:13,982 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 06:34:13,982 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:27:35" (3/4) ... [2021-08-29 06:34:13,984 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-29 06:34:14,003 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-08-29 06:34:14,003 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-29 06:34:14,003 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 06:34:14,004 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 06:34:14,049 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 06:34:14,049 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 06:34:14,050 INFO L158 Benchmark]: Toolchain (without parser) took 399272.38ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 46.6MB in the beginning and 57.7MB in the end (delta: -11.1MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2021-08-29 06:34:14,050 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 48.2MB. Free memory was 30.1MB in the beginning and 30.0MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 06:34:14,050 INFO L158 Benchmark]: CACSL2BoogieTranslator took 144.92ms. Allocated memory is still 71.3MB. Free memory was 46.4MB in the beginning and 54.8MB in the end (delta: -8.5MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2021-08-29 06:34:14,050 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.81ms. Allocated memory is still 71.3MB. Free memory was 54.8MB in the beginning and 53.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 06:34:14,051 INFO L158 Benchmark]: Boogie Preprocessor took 29.92ms. Allocated memory is still 71.3MB. Free memory was 53.3MB in the beginning and 52.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 06:34:14,051 INFO L158 Benchmark]: RCFGBuilder took 229.51ms. Allocated memory is still 71.3MB. Free memory was 52.1MB in the beginning and 43.9MB in the end (delta: 8.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-08-29 06:34:14,051 INFO L158 Benchmark]: TraceAbstraction took 398753.36ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 43.3MB in the beginning and 60.2MB in the end (delta: -17.0MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2021-08-29 06:34:14,051 INFO L158 Benchmark]: Witness Printer took 67.38ms. Allocated memory is still 98.6MB. Free memory was 60.2MB in the beginning and 57.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 06:34:14,054 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 48.2MB. Free memory was 30.1MB in the beginning and 30.0MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 144.92ms. Allocated memory is still 71.3MB. Free memory was 46.4MB in the beginning and 54.8MB in the end (delta: -8.5MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.81ms. Allocated memory is still 71.3MB. Free memory was 54.8MB in the beginning and 53.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.92ms. Allocated memory is still 71.3MB. Free memory was 53.3MB in the beginning and 52.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 229.51ms. Allocated memory is still 71.3MB. Free memory was 52.1MB in the beginning and 43.9MB in the end (delta: 8.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 398753.36ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 43.3MB in the beginning and 60.2MB in the end (delta: -17.0MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * Witness Printer took 67.38ms. Allocated memory is still 98.6MB. Free memory was 60.2MB in the beginning and 57.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 28]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 398706.35ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 12.67ms, AutomataDifference: 19035.71ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 53.13ms, InitialAbstractionConstructionTime: 6.00ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 3367.69ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 3126.28ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 7 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 13 mSolverCounterSat, 0.33ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 9 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 36128.58ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 7.99ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 2 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 21.40ms HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 27.22ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 19.32ms SsaConstructionTime, 215177.42ms SatisfiabilityAnalysisTime, 163867.92ms InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 3 QuantifiedInterpolants, 721 SizeOfPredicates, 6 NumberOfNonLiveVariables, 52 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-08-29 06:34:14,281 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-08-29 06:34:14,339 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...