./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0684b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 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/float-newlib/double_req_bl_0684b.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 605b3a8a7de37bea51c68bab94a94914ddbd465d .................................................................................................................................................................................................................................................................................................................................................................................................. 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/float-newlib/double_req_bl_0684b.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 605b3a8a7de37bea51c68bab94a94914ddbd465d ...................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 21:49:41,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 21:49:41,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 21:49:41,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 21:49:41,615 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 21:49:41,620 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 21:49:41,622 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 21:49:41,626 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 21:49:41,632 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 21:49:41,633 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 21:49:41,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 21:49:41,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 21:49:41,639 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 21:49:41,644 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 21:49:41,645 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 21:49:41,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 21:49:41,652 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 21:49:41,653 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 21:49:41,657 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 21:49:41,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 21:49:41,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 21:49:41,669 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 21:49:41,672 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 21:49:41,674 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 21:49:41,681 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 21:49:41,683 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 21:49:41,683 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 21:49:41,686 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 21:49:41,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 21:49:41,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 21:49:41,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 21:49:41,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 21:49:41,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 21:49:41,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 21:49:41,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 21:49:41,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 21:49:41,695 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 21:49:41,696 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 21:49:41,696 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 21:49:41,698 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 21:49:41,699 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 21:49:41,700 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 21:49:41,758 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 21:49:41,759 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 21:49:41,763 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 21:49:41,763 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 21:49:41,764 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 21:49:41,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 21:49:41,764 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 21:49:41,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 21:49:41,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 21:49:41,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 21:49:41,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 21:49:41,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 21:49:41,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 21:49:41,767 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 21:49:41,768 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 21:49:41,768 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 21:49:41,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 21:49:41,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 21:49:41,769 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 21:49:41,769 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 21:49:41,769 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 21:49:41,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 21:49:41,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 21:49:41,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 21:49:41,770 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 21:49:41,771 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 21:49:41,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 21:49:41,771 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 21:49:41,772 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 21:49:41,772 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 605b3a8a7de37bea51c68bab94a94914ddbd465d [2020-10-25 21:49:42,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 21:49:42,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 21:49:42,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 21:49:42,204 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 21:49:42,205 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 21:49:42,207 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0684b.c [2020-10-25 21:49:42,280 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94336e834/5ef1f05ea4aa47c88885dd2440454afd/FLAGd2c63ccbd [2020-10-25 21:49:42,943 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 21:49:42,944 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0684b.c [2020-10-25 21:49:42,964 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94336e834/5ef1f05ea4aa47c88885dd2440454afd/FLAGd2c63ccbd [2020-10-25 21:49:43,236 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94336e834/5ef1f05ea4aa47c88885dd2440454afd [2020-10-25 21:49:43,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 21:49:43,254 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 21:49:43,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 21:49:43,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 21:49:43,262 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 21:49:43,263 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:49:43" (1/1) ... [2020-10-25 21:49:43,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b8fa55d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:43, skipping insertion in model container [2020-10-25 21:49:43,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:49:43" (1/1) ... [2020-10-25 21:49:43,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 21:49:43,332 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 21:49:43,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:49:43,636 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 21:49:43,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:49:43,726 INFO L208 MainTranslator]: Completed translation [2020-10-25 21:49:43,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:43 WrapperNode [2020-10-25 21:49:43,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 21:49:43,729 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 21:49:43,729 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 21:49:43,730 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 21:49:43,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:43" (1/1) ... [2020-10-25 21:49:43,756 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:43" (1/1) ... [2020-10-25 21:49:43,841 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 21:49:43,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 21:49:43,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 21:49:43,844 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 21:49:43,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:43" (1/1) ... [2020-10-25 21:49:43,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:43" (1/1) ... [2020-10-25 21:49:43,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:43" (1/1) ... [2020-10-25 21:49:43,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:43" (1/1) ... [2020-10-25 21:49:43,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:43" (1/1) ... [2020-10-25 21:49:43,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:43" (1/1) ... [2020-10-25 21:49:43,932 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:43" (1/1) ... [2020-10-25 21:49:43,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 21:49:43,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 21:49:43,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 21:49:43,955 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 21:49:43,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 21:49:44,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 21:49:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 21:49:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-25 21:49:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-25 21:49:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-25 21:49:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 21:49:44,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 21:49:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-25 21:49:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-25 21:49:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-25 21:49:45,250 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 21:49:45,251 INFO L298 CfgBuilder]: Removed 54 assume(true) statements. [2020-10-25 21:49:45,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:49:45 BoogieIcfgContainer [2020-10-25 21:49:45,254 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 21:49:45,255 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 21:49:45,256 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 21:49:45,260 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 21:49:45,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 09:49:43" (1/3) ... [2020-10-25 21:49:45,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62248adf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:49:45, skipping insertion in model container [2020-10-25 21:49:45,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:43" (2/3) ... [2020-10-25 21:49:45,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62248adf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:49:45, skipping insertion in model container [2020-10-25 21:49:45,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:49:45" (3/3) ... [2020-10-25 21:49:45,263 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0684b.c [2020-10-25 21:49:45,277 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 21:49:45,284 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 21:49:45,297 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 21:49:45,326 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 21:49:45,327 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 21:49:45,327 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 21:49:45,327 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 21:49:45,327 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 21:49:45,327 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 21:49:45,327 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 21:49:45,327 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 21:49:45,347 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2020-10-25 21:49:45,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-25 21:49:45,353 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:49:45,354 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:49:45,355 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:49:45,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:49:45,362 INFO L82 PathProgramCache]: Analyzing trace with hash -617567418, now seen corresponding path program 1 times [2020-10-25 21:49:45,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 21:49:45,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546627083] [2020-10-25 21:49:45,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 21:49:45,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 21:49:45,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:49:45,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546627083] [2020-10-25 21:49:45,573 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 21:49:45,574 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 21:49:45,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659622647] [2020-10-25 21:49:45,581 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 21:49:45,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 21:49:45,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 21:49:45,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 21:49:45,614 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 2 states. [2020-10-25 21:49:45,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 21:49:45,652 INFO L93 Difference]: Finished difference Result 247 states and 413 transitions. [2020-10-25 21:49:45,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 21:49:45,657 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2020-10-25 21:49:45,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 21:49:45,670 INFO L225 Difference]: With dead ends: 247 [2020-10-25 21:49:45,671 INFO L226 Difference]: Without dead ends: 120 [2020-10-25 21:49:45,675 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 21:49:45,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-10-25 21:49:45,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-10-25 21:49:45,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-10-25 21:49:45,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 169 transitions. [2020-10-25 21:49:45,735 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 169 transitions. Word has length 15 [2020-10-25 21:49:45,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 21:49:45,736 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 169 transitions. [2020-10-25 21:49:45,736 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 21:49:45,736 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 169 transitions. [2020-10-25 21:49:45,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-25 21:49:45,737 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:49:45,737 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:49:45,738 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 21:49:45,738 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:49:45,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:49:45,739 INFO L82 PathProgramCache]: Analyzing trace with hash -397782484, now seen corresponding path program 1 times [2020-10-25 21:49:45,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 21:49:45,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4247123] [2020-10-25 21:49:45,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 21:49:45,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 21:49:45,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:49:45,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4247123] [2020-10-25 21:49:45,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 21:49:45,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 21:49:45,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517040728] [2020-10-25 21:49:45,921 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 21:49:45,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 21:49:45,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 21:49:45,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 21:49:45,928 INFO L87 Difference]: Start difference. First operand 120 states and 169 transitions. Second operand 3 states. [2020-10-25 21:49:45,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 21:49:45,967 INFO L93 Difference]: Finished difference Result 229 states and 326 transitions. [2020-10-25 21:49:45,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 21:49:45,971 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-10-25 21:49:45,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 21:49:45,974 INFO L225 Difference]: With dead ends: 229 [2020-10-25 21:49:45,974 INFO L226 Difference]: Without dead ends: 120 [2020-10-25 21:49:45,975 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 21:49:45,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-10-25 21:49:45,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-10-25 21:49:45,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-10-25 21:49:45,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 168 transitions. [2020-10-25 21:49:45,995 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 168 transitions. Word has length 18 [2020-10-25 21:49:45,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 21:49:45,996 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 168 transitions. [2020-10-25 21:49:45,996 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 21:49:45,996 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 168 transitions. [2020-10-25 21:49:45,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-25 21:49:45,997 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:49:45,997 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:49:45,997 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 21:49:45,997 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:49:45,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:49:45,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1006577033, now seen corresponding path program 1 times [2020-10-25 21:49:45,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 21:49:45,999 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124381504] [2020-10-25 21:49:45,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 21:49:46,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 21:49:46,232 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 21:49:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 21:49:46,439 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 21:49:46,479 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-25 21:49:46,479 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-25 21:49:46,479 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 21:49:46,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 09:49:46 BoogieIcfgContainer [2020-10-25 21:49:46,540 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 21:49:46,541 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 21:49:46,541 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 21:49:46,541 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 21:49:46,542 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:49:45" (3/4) ... [2020-10-25 21:49:46,546 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-25 21:49:46,546 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 21:49:46,549 INFO L168 Benchmark]: Toolchain (without parser) took 3301.19 ms. Allocated memory was 48.2 MB in the beginning and 77.6 MB in the end (delta: 29.4 MB). Free memory was 31.4 MB in the beginning and 39.8 MB in the end (delta: -8.4 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:46,549 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 37.7 MB. Free memory is still 19.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 21:49:46,550 INFO L168 Benchmark]: CACSL2BoogieTranslator took 471.49 ms. Allocated memory is still 48.2 MB. Free memory was 30.7 MB in the beginning and 27.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:46,551 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.80 ms. Allocated memory is still 48.2 MB. Free memory was 27.3 MB in the beginning and 23.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:46,552 INFO L168 Benchmark]: Boogie Preprocessor took 111.02 ms. Allocated memory is still 48.2 MB. Free memory was 23.5 MB in the beginning and 30.1 MB in the end (delta: -6.6 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:46,553 INFO L168 Benchmark]: RCFGBuilder took 1299.01 ms. Allocated memory was 48.2 MB in the beginning and 62.9 MB in the end (delta: 14.7 MB). Free memory was 30.1 MB in the beginning and 39.5 MB in the end (delta: -9.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:46,554 INFO L168 Benchmark]: TraceAbstraction took 1284.87 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 38.8 MB in the beginning and 40.3 MB in the end (delta: -1.5 MB). Peak memory consumption was 23.9 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:46,555 INFO L168 Benchmark]: Witness Printer took 5.02 ms. Allocated memory is still 77.6 MB. Free memory was 40.3 MB in the beginning and 39.8 MB in the end (delta: 450.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 21:49:46,560 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 37.7 MB. Free memory is still 19.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 471.49 ms. Allocated memory is still 48.2 MB. Free memory was 30.7 MB in the beginning and 27.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 112.80 ms. Allocated memory is still 48.2 MB. Free memory was 27.3 MB in the beginning and 23.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 111.02 ms. Allocated memory is still 48.2 MB. Free memory was 23.5 MB in the beginning and 30.1 MB in the end (delta: -6.6 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1299.01 ms. Allocated memory was 48.2 MB in the beginning and 62.9 MB in the end (delta: 14.7 MB). Free memory was 30.1 MB in the beginning and 39.5 MB in the end (delta: -9.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1284.87 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 38.8 MB in the beginning and 40.3 MB in the end (delta: -1.5 MB). Peak memory consumption was 23.9 MB. Max. memory is 16.1 GB. * Witness Printer took 5.02 ms. Allocated memory is still 77.6 MB. Free memory was 40.3 MB in the beginning and 39.8 MB in the end (delta: 450.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryDOUBLEComparisonOperation at line 287. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L278] double x = __VERIFIER_nondet_double(); [L279] double y = -1.0 / 0.0; [L262] __int32_t hx; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L264] ieee_double_shape_type gh_u; [L265] gh_u.value = (x) [L266] EXPR gh_u.parts.msw [L266] (hx) = gh_u.parts.msw [L268] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L282] isfinite_double(x) && isinf_double(y) [L248] __int32_t hx, lx; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L250] ieee_double_shape_type ew_u; [L251] ew_u.value = (x) [L252] EXPR ew_u.parts.msw [L252] (hx) = ew_u.parts.msw [L253] EXPR ew_u.parts.lsw [L253] (lx) = ew_u.parts.lsw [L255] hx &= 0x7fffffff [L256] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L257] hx = 0x7ff00000 - hx [L258] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L282] isfinite_double(x) && isinf_double(y) VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L282] COND TRUE isfinite_double(x) && isinf_double(y) [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L284] double res = __ieee754_atan2(y, x); [L287] COND TRUE res != -pi_o_2 VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L3] __assert_fail("0", "double_req_bl_0684b.c", 3, "reach_error") VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 125 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 343 SDtfs, 0 SDslu, 163 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 502 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-5485861 [2020-10-25 21:49:49,270 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 21:49:49,273 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 21:49:49,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 21:49:49,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 21:49:49,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 21:49:49,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 21:49:49,322 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 21:49:49,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 21:49:49,325 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 21:49:49,326 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 21:49:49,328 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 21:49:49,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 21:49:49,330 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 21:49:49,331 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 21:49:49,332 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 21:49:49,333 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 21:49:49,334 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 21:49:49,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 21:49:49,339 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 21:49:49,341 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 21:49:49,342 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 21:49:49,343 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 21:49:49,345 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 21:49:49,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 21:49:49,352 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 21:49:49,352 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 21:49:49,353 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 21:49:49,354 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 21:49:49,357 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 21:49:49,357 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 21:49:49,358 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 21:49:49,359 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 21:49:49,363 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 21:49:49,367 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 21:49:49,368 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 21:49:49,369 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 21:49:49,369 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 21:49:49,369 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 21:49:49,370 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 21:49:49,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 21:49:49,373 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-25 21:49:49,404 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 21:49:49,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 21:49:49,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 21:49:49,406 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 21:49:49,406 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 21:49:49,406 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 21:49:49,406 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 21:49:49,407 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 21:49:49,407 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 21:49:49,407 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 21:49:49,407 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 21:49:49,407 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 21:49:49,408 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-25 21:49:49,408 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-25 21:49:49,408 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 21:49:49,408 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 21:49:49,408 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 21:49:49,409 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 21:49:49,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 21:49:49,409 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 21:49:49,409 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 21:49:49,410 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 21:49:49,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 21:49:49,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 21:49:49,410 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 21:49:49,410 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 21:49:49,411 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-25 21:49:49,411 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-25 21:49:49,411 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 21:49:49,411 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 21:49:49,411 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-25 21:49:49,412 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 605b3a8a7de37bea51c68bab94a94914ddbd465d [2020-10-25 21:49:49,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 21:49:49,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 21:49:49,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 21:49:49,876 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 21:49:49,877 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 21:49:49,878 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0684b.c [2020-10-25 21:49:49,955 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed754fe11/316b03f79b5643bf9feb3c4c81b8dbe4/FLAGf281e4d3f [2020-10-25 21:49:50,639 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 21:49:50,642 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0684b.c [2020-10-25 21:49:50,657 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed754fe11/316b03f79b5643bf9feb3c4c81b8dbe4/FLAGf281e4d3f [2020-10-25 21:49:50,922 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed754fe11/316b03f79b5643bf9feb3c4c81b8dbe4 [2020-10-25 21:49:50,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 21:49:50,936 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 21:49:50,941 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 21:49:50,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 21:49:50,946 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 21:49:50,948 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:49:50" (1/1) ... [2020-10-25 21:49:50,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aed5459 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:50, skipping insertion in model container [2020-10-25 21:49:50,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:49:50" (1/1) ... [2020-10-25 21:49:50,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 21:49:51,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 21:49:51,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:49:51,484 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 21:49:51,557 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:49:51,601 INFO L208 MainTranslator]: Completed translation [2020-10-25 21:49:51,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:51 WrapperNode [2020-10-25 21:49:51,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 21:49:51,603 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 21:49:51,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 21:49:51,604 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 21:49:51,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:51" (1/1) ... [2020-10-25 21:49:51,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:51" (1/1) ... [2020-10-25 21:49:51,702 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 21:49:51,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 21:49:51,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 21:49:51,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 21:49:51,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:51" (1/1) ... [2020-10-25 21:49:51,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:51" (1/1) ... [2020-10-25 21:49:51,743 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:51" (1/1) ... [2020-10-25 21:49:51,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:51" (1/1) ... [2020-10-25 21:49:51,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:51" (1/1) ... [2020-10-25 21:49:51,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:51" (1/1) ... [2020-10-25 21:49:51,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:51" (1/1) ... [2020-10-25 21:49:51,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 21:49:51,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 21:49:51,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 21:49:51,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 21:49:51,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 21:49:51,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-25 21:49:51,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-25 21:49:51,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-25 21:49:51,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 21:49:51,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-10-25 21:49:51,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-25 21:49:51,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 21:49:51,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 21:49:51,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-25 21:49:51,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-25 21:50:32,751 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 21:50:32,752 INFO L298 CfgBuilder]: Removed 54 assume(true) statements. [2020-10-25 21:50:32,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:50:32 BoogieIcfgContainer [2020-10-25 21:50:32,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 21:50:32,758 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 21:50:32,759 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 21:50:32,762 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 21:50:32,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 09:49:50" (1/3) ... [2020-10-25 21:50:32,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@732fde6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:50:32, skipping insertion in model container [2020-10-25 21:50:32,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:51" (2/3) ... [2020-10-25 21:50:32,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@732fde6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:50:32, skipping insertion in model container [2020-10-25 21:50:32,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:50:32" (3/3) ... [2020-10-25 21:50:32,766 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0684b.c [2020-10-25 21:50:32,779 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 21:50:32,784 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 21:50:32,796 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 21:50:32,825 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 21:50:32,825 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 21:50:32,825 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 21:50:32,825 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 21:50:32,825 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 21:50:32,825 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 21:50:32,825 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 21:50:32,826 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 21:50:32,843 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2020-10-25 21:50:32,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-25 21:50:32,849 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:50:32,850 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:50:32,850 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:50:32,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:50:32,855 INFO L82 PathProgramCache]: Analyzing trace with hash -617567418, now seen corresponding path program 1 times [2020-10-25 21:50:32,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 21:50:32,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1980507635] [2020-10-25 21:50:32,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-25 21:50:33,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 21:50:33,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-25 21:50:33,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 21:50:33,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:50:33,401 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-25 21:50:33,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:50:33,412 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1980507635] [2020-10-25 21:50:33,413 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-25 21:50:33,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-25 21:50:33,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298545653] [2020-10-25 21:50:33,417 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 21:50:33,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-25 21:50:33,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 21:50:33,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 21:50:33,432 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 2 states. [2020-10-25 21:50:33,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 21:50:33,475 INFO L93 Difference]: Finished difference Result 247 states and 413 transitions. [2020-10-25 21:50:33,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 21:50:33,477 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2020-10-25 21:50:33,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 21:50:33,497 INFO L225 Difference]: With dead ends: 247 [2020-10-25 21:50:33,497 INFO L226 Difference]: Without dead ends: 120 [2020-10-25 21:50:33,503 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 21:50:33,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-10-25 21:50:33,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-10-25 21:50:33,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-10-25 21:50:33,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 169 transitions. [2020-10-25 21:50:33,582 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 169 transitions. Word has length 15 [2020-10-25 21:50:33,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 21:50:33,583 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 169 transitions. [2020-10-25 21:50:33,584 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 21:50:33,584 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 169 transitions. [2020-10-25 21:50:33,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-25 21:50:33,586 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:50:33,587 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:50:33,802 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-25 21:50:33,802 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:50:33,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:50:33,804 INFO L82 PathProgramCache]: Analyzing trace with hash -397782484, now seen corresponding path program 1 times [2020-10-25 21:50:33,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 21:50:33,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [317390264] [2020-10-25 21:50:33,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-25 21:50:34,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 21:50:34,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 21:50:34,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 21:50:34,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:50:34,276 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-25 21:50:34,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:50:34,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [317390264] [2020-10-25 21:50:34,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-25 21:50:34,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-10-25 21:50:34,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380544151] [2020-10-25 21:50:34,283 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 21:50:34,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-25 21:50:34,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 21:50:34,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 21:50:34,287 INFO L87 Difference]: Start difference. First operand 120 states and 169 transitions. Second operand 3 states. [2020-10-25 21:50:34,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 21:50:34,386 INFO L93 Difference]: Finished difference Result 229 states and 326 transitions. [2020-10-25 21:50:34,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 21:50:34,388 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-10-25 21:50:34,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 21:50:34,390 INFO L225 Difference]: With dead ends: 229 [2020-10-25 21:50:34,390 INFO L226 Difference]: Without dead ends: 120 [2020-10-25 21:50:34,392 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 21:50:34,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-10-25 21:50:34,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-10-25 21:50:34,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-10-25 21:50:34,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 168 transitions. [2020-10-25 21:50:34,404 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 168 transitions. Word has length 18 [2020-10-25 21:50:34,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 21:50:34,404 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 168 transitions. [2020-10-25 21:50:34,404 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 21:50:34,405 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 168 transitions. [2020-10-25 21:50:34,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-25 21:50:34,406 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:50:34,406 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:50:34,619 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-25 21:50:34,621 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:50:34,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:50:34,622 INFO L82 PathProgramCache]: Analyzing trace with hash -1006577033, now seen corresponding path program 1 times [2020-10-25 21:50:34,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 21:50:34,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1011523288] [2020-10-25 21:50:34,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-25 21:50:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 21:50:35,716 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 21:50:36,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 21:50:36,808 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 21:50:36,990 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-25 21:50:36,990 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-25 21:50:37,191 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-25 21:50:37,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 09:50:37 BoogieIcfgContainer [2020-10-25 21:50:37,316 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 21:50:37,317 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 21:50:37,317 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 21:50:37,317 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 21:50:37,318 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:50:32" (3/4) ... [2020-10-25 21:50:37,320 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-25 21:50:37,443 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 21:50:37,443 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 21:50:37,446 INFO L168 Benchmark]: Toolchain (without parser) took 46514.81 ms. Allocated memory was 39.8 MB in the beginning and 58.7 MB in the end (delta: 18.9 MB). Free memory was 19.6 MB in the beginning and 25.5 MB in the end (delta: -5.9 MB). Peak memory consumption was 13.0 MB. Max. memory is 16.1 GB. [2020-10-25 21:50:37,446 INFO L168 Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 39.8 MB. Free memory is still 25.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 21:50:37,447 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.03 ms. Allocated memory was 39.8 MB in the beginning and 48.2 MB in the end (delta: 8.4 MB). Free memory was 19.0 MB in the beginning and 26.0 MB in the end (delta: -7.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 21:50:37,447 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.31 ms. Allocated memory is still 48.2 MB. Free memory was 25.9 MB in the beginning and 22.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 21:50:37,448 INFO L168 Benchmark]: Boogie Preprocessor took 97.95 ms. Allocated memory is still 48.2 MB. Free memory was 22.0 MB in the beginning and 28.9 MB in the end (delta: -6.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. [2020-10-25 21:50:37,449 INFO L168 Benchmark]: RCFGBuilder took 40954.58 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 28.9 MB in the beginning and 34.5 MB in the end (delta: -5.6 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. [2020-10-25 21:50:37,449 INFO L168 Benchmark]: TraceAbstraction took 4557.35 ms. Allocated memory is still 58.7 MB. Free memory was 34.1 MB in the beginning and 31.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. [2020-10-25 21:50:37,450 INFO L168 Benchmark]: Witness Printer took 126.71 ms. Allocated memory is still 58.7 MB. Free memory was 31.8 MB in the beginning and 25.5 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-25 21:50:37,453 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 ms. Allocated memory is still 39.8 MB. Free memory is still 25.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 661.03 ms. Allocated memory was 39.8 MB in the beginning and 48.2 MB in the end (delta: 8.4 MB). Free memory was 19.0 MB in the beginning and 26.0 MB in the end (delta: -7.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 99.31 ms. Allocated memory is still 48.2 MB. Free memory was 25.9 MB in the beginning and 22.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 97.95 ms. Allocated memory is still 48.2 MB. Free memory was 22.0 MB in the beginning and 28.9 MB in the end (delta: -6.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 40954.58 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 28.9 MB in the beginning and 34.5 MB in the end (delta: -5.6 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4557.35 ms. Allocated memory is still 58.7 MB. Free memory was 34.1 MB in the beginning and 31.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. * Witness Printer took 126.71 ms. Allocated memory is still 58.7 MB. Free memory was 31.8 MB in the beginning and 25.5 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L278] double x = __VERIFIER_nondet_double(); [L279] double y = -1.0 / 0.0; [L262] __int32_t hx; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L264] ieee_double_shape_type gh_u; [L265] gh_u.value = (x) [L266] EXPR gh_u.parts.msw [L266] (hx) = gh_u.parts.msw [L268] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L282] isfinite_double(x) && isinf_double(y) [L248] __int32_t hx, lx; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L250] ieee_double_shape_type ew_u; [L251] ew_u.value = (x) [L252] EXPR ew_u.parts.msw [L252] (hx) = ew_u.parts.msw [L253] EXPR ew_u.parts.lsw [L253] (lx) = ew_u.parts.lsw [L255] hx &= 0x7fffffff [L256] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L257] hx = 0x7ff00000 - hx [L258] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L282] isfinite_double(x) && isinf_double(y) VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L282] COND TRUE isfinite_double(x) && isinf_double(y) [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L284] double res = __ieee754_atan2(y, x); [L287] COND TRUE res != -pi_o_2 VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L3] __assert_fail("0", "double_req_bl_0684b.c", 3, "reach_error") VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 125 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.3s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 343 SDtfs, 0 SDslu, 163 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 1004 SizeOfPredicates, 0 NumberOfNonLiveVariables, 280 ConjunctsInSsa, 3 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 RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...