./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0682a.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_0682a.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 89a7eeb30a66b8853c8b2fd1deb829ff9222bf3c .................................................................................................................................................................................................................................................................................................................................................................................................. 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_0682a.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 89a7eeb30a66b8853c8b2fd1deb829ff9222bf3c ...................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:49:30,562 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 21:49:30,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 21:49:30,620 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 21:49:30,621 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 21:49:30,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 21:49:30,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 21:49:30,640 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 21:49:30,648 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 21:49:30,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 21:49:30,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 21:49:30,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 21:49:30,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 21:49:30,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 21:49:30,666 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 21:49:30,668 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 21:49:30,670 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 21:49:30,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 21:49:30,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 21:49:30,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 21:49:30,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 21:49:30,686 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 21:49:30,688 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 21:49:30,689 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 21:49:30,693 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 21:49:30,693 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 21:49:30,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 21:49:30,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 21:49:30,696 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 21:49:30,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 21:49:30,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 21:49:30,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 21:49:30,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 21:49:30,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 21:49:30,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 21:49:30,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 21:49:30,704 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 21:49:30,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 21:49:30,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 21:49:30,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 21:49:30,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 21:49:30,708 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 21:49:30,741 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 21:49:30,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 21:49:30,744 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 21:49:30,744 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 21:49:30,745 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 21:49:30,745 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 21:49:30,746 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 21:49:30,746 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 21:49:30,747 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 21:49:30,747 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 21:49:30,748 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 21:49:30,748 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 21:49:30,749 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 21:49:30,749 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 21:49:30,749 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 21:49:30,750 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 21:49:30,750 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 21:49:30,750 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 21:49:30,750 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 21:49:30,751 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 21:49:30,751 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 21:49:30,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 21:49:30,752 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 21:49:30,752 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 21:49:30,752 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 21:49:30,752 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 21:49:30,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 21:49:30,753 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 21:49:30,753 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 21:49:30,753 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89a7eeb30a66b8853c8b2fd1deb829ff9222bf3c [2020-10-25 21:49:31,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 21:49:31,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 21:49:31,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 21:49:31,275 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 21:49:31,277 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 21:49:31,278 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0682a.c [2020-10-25 21:49:31,365 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7c95e18f/c4c90ac6f0d24b25961fbdcd1e8f9c4b/FLAGe4982749f [2020-10-25 21:49:32,096 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 21:49:32,097 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0682a.c [2020-10-25 21:49:32,112 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7c95e18f/c4c90ac6f0d24b25961fbdcd1e8f9c4b/FLAGe4982749f [2020-10-25 21:49:32,375 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7c95e18f/c4c90ac6f0d24b25961fbdcd1e8f9c4b [2020-10-25 21:49:32,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 21:49:32,385 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 21:49:32,387 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 21:49:32,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 21:49:32,392 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 21:49:32,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:49:32" (1/1) ... [2020-10-25 21:49:32,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1577da13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:32, skipping insertion in model container [2020-10-25 21:49:32,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:49:32" (1/1) ... [2020-10-25 21:49:32,406 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 21:49:32,456 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 21:49:32,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:49:32,826 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 21:49:32,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:49:32,962 INFO L208 MainTranslator]: Completed translation [2020-10-25 21:49:32,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:32 WrapperNode [2020-10-25 21:49:32,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 21:49:32,964 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 21:49:32,964 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 21:49:32,964 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 21:49:32,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:32" (1/1) ... [2020-10-25 21:49:32,999 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:32" (1/1) ... [2020-10-25 21:49:33,065 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 21:49:33,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 21:49:33,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 21:49:33,067 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 21:49:33,079 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:32" (1/1) ... [2020-10-25 21:49:33,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:32" (1/1) ... [2020-10-25 21:49:33,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:32" (1/1) ... [2020-10-25 21:49:33,089 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:32" (1/1) ... [2020-10-25 21:49:33,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:32" (1/1) ... [2020-10-25 21:49:33,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:32" (1/1) ... [2020-10-25 21:49:33,139 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:32" (1/1) ... [2020-10-25 21:49:33,148 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 21:49:33,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 21:49:33,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 21:49:33,150 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 21:49:33,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 21:49:33,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 21:49:33,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 21:49:33,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-25 21:49:33,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-25 21:49:33,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-25 21:49:33,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 21:49:33,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 21:49:33,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-25 21:49:33,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-25 21:49:33,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-25 21:49:34,288 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 21:49:34,289 INFO L298 CfgBuilder]: Removed 54 assume(true) statements. [2020-10-25 21:49:34,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:49:34 BoogieIcfgContainer [2020-10-25 21:49:34,292 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 21:49:34,294 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 21:49:34,294 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 21:49:34,298 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 21:49:34,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 09:49:32" (1/3) ... [2020-10-25 21:49:34,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250dbfbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:49:34, skipping insertion in model container [2020-10-25 21:49:34,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:32" (2/3) ... [2020-10-25 21:49:34,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250dbfbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:49:34, skipping insertion in model container [2020-10-25 21:49:34,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:49:34" (3/3) ... [2020-10-25 21:49:34,303 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0682a.c [2020-10-25 21:49:34,318 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 21:49:34,324 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 21:49:34,339 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 21:49:34,369 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 21:49:34,370 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 21:49:34,370 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 21:49:34,370 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 21:49:34,370 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 21:49:34,371 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 21:49:34,371 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 21:49:34,371 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 21:49:34,392 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2020-10-25 21:49:34,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-25 21:49:34,400 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:49:34,401 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:49:34,402 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:49:34,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:49:34,409 INFO L82 PathProgramCache]: Analyzing trace with hash -617567418, now seen corresponding path program 1 times [2020-10-25 21:49:34,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 21:49:34,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993304181] [2020-10-25 21:49:34,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 21:49:34,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 21:49:34,610 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 21:49:34,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993304181] [2020-10-25 21:49:34,612 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 21:49:34,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 21:49:34,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694882321] [2020-10-25 21:49:34,618 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 21:49:34,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 21:49:34,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 21:49:34,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 21:49:34,636 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 2 states. [2020-10-25 21:49:34,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 21:49:34,672 INFO L93 Difference]: Finished difference Result 247 states and 413 transitions. [2020-10-25 21:49:34,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 21:49:34,674 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2020-10-25 21:49:34,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 21:49:34,687 INFO L225 Difference]: With dead ends: 247 [2020-10-25 21:49:34,687 INFO L226 Difference]: Without dead ends: 120 [2020-10-25 21:49:34,691 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 21:49:34,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-10-25 21:49:34,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-10-25 21:49:34,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-10-25 21:49:34,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 169 transitions. [2020-10-25 21:49:34,741 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 169 transitions. Word has length 15 [2020-10-25 21:49:34,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 21:49:34,742 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 169 transitions. [2020-10-25 21:49:34,742 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 21:49:34,742 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 169 transitions. [2020-10-25 21:49:34,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-25 21:49:34,743 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:49:34,744 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 21:49:34,744 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 21:49:34,744 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:49:34,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:49:34,746 INFO L82 PathProgramCache]: Analyzing trace with hash -397782484, now seen corresponding path program 1 times [2020-10-25 21:49:34,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 21:49:34,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157863195] [2020-10-25 21:49:34,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 21:49:34,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 21:49:34,968 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 21:49:34,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157863195] [2020-10-25 21:49:34,969 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 21:49:34,969 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 21:49:34,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331088599] [2020-10-25 21:49:34,970 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 21:49:34,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 21:49:34,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 21:49:34,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 21:49:34,972 INFO L87 Difference]: Start difference. First operand 120 states and 169 transitions. Second operand 3 states. [2020-10-25 21:49:35,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 21:49:35,002 INFO L93 Difference]: Finished difference Result 229 states and 326 transitions. [2020-10-25 21:49:35,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 21:49:35,002 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-10-25 21:49:35,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 21:49:35,004 INFO L225 Difference]: With dead ends: 229 [2020-10-25 21:49:35,005 INFO L226 Difference]: Without dead ends: 120 [2020-10-25 21:49:35,006 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 21:49:35,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-10-25 21:49:35,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-10-25 21:49:35,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-10-25 21:49:35,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 168 transitions. [2020-10-25 21:49:35,018 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 168 transitions. Word has length 18 [2020-10-25 21:49:35,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 21:49:35,018 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 168 transitions. [2020-10-25 21:49:35,019 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 21:49:35,019 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 168 transitions. [2020-10-25 21:49:35,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-25 21:49:35,020 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:49:35,020 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 21:49:35,020 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 21:49:35,020 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:49:35,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:49:35,021 INFO L82 PathProgramCache]: Analyzing trace with hash -1006577033, now seen corresponding path program 1 times [2020-10-25 21:49:35,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 21:49:35,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128406487] [2020-10-25 21:49:35,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 21:49:35,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 21:49:35,278 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 21:49:35,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 21:49:35,486 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 21:49:35,537 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-25 21:49:35,540 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-25 21:49:35,540 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 21:49:35,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 09:49:35 BoogieIcfgContainer [2020-10-25 21:49:35,607 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 21:49:35,608 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 21:49:35,608 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 21:49:35,609 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 21:49:35,610 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:49:34" (3/4) ... [2020-10-25 21:49:35,614 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-25 21:49:35,615 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 21:49:35,618 INFO L168 Benchmark]: Toolchain (without parser) took 3236.02 ms. Allocated memory was 48.2 MB in the beginning and 71.3 MB in the end (delta: 23.1 MB). Free memory was 24.6 MB in the beginning and 40.2 MB in the end (delta: -15.7 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:35,619 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 39.8 MB. Free memory was 17.7 MB in the beginning and 17.6 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 21:49:35,620 INFO L168 Benchmark]: CACSL2BoogieTranslator took 575.68 ms. Allocated memory is still 48.2 MB. Free memory was 23.9 MB in the beginning and 31.0 MB in the end (delta: -7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:35,621 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.90 ms. Allocated memory is still 48.2 MB. Free memory was 31.0 MB in the beginning and 27.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:35,622 INFO L168 Benchmark]: Boogie Preprocessor took 82.30 ms. Allocated memory is still 48.2 MB. Free memory was 27.1 MB in the beginning and 23.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:35,624 INFO L168 Benchmark]: RCFGBuilder took 1142.21 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 23.4 MB in the beginning and 29.4 MB in the end (delta: -6.0 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:35,625 INFO L168 Benchmark]: TraceAbstraction took 1313.91 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 29.1 MB in the beginning and 40.7 MB in the end (delta: -11.6 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:35,626 INFO L168 Benchmark]: Witness Printer took 6.51 ms. Allocated memory is still 71.3 MB. Free memory was 40.7 MB in the beginning and 40.2 MB in the end (delta: 489.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 21:49:35,632 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 39.8 MB. Free memory was 17.7 MB in the beginning and 17.6 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 575.68 ms. Allocated memory is still 48.2 MB. Free memory was 23.9 MB in the beginning and 31.0 MB in the end (delta: -7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 101.90 ms. Allocated memory is still 48.2 MB. Free memory was 31.0 MB in the beginning and 27.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 82.30 ms. Allocated memory is still 48.2 MB. Free memory was 27.1 MB in the beginning and 23.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1142.21 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 23.4 MB in the beginning and 29.4 MB in the end (delta: -6.0 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1313.91 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 29.1 MB in the beginning and 40.7 MB in the end (delta: -11.6 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. * Witness Printer took 6.51 ms. Allocated memory is still 71.3 MB. Free memory was 40.7 MB in the beginning and 40.2 MB in the end (delta: 489.1 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 286. 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 = -1.0 / 0.0; [L279] double y = __VERIFIER_nondet_double(); [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] [L281] EXPR isinf_double(x) && isfinite_double(y) [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] [L281] EXPR isinf_double(x) && isfinite_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] [L281] COND TRUE isinf_double(x) && isfinite_double(y) && y < 0.0 [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] [L283] double res = __ieee754_atan2(y, x); [L286] COND TRUE res != -pi 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_0682a.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 21:49:38,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 21:49:38,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 21:49:38,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 21:49:38,436 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 21:49:38,441 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 21:49:38,444 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 21:49:38,451 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 21:49:38,454 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 21:49:38,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 21:49:38,462 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 21:49:38,467 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 21:49:38,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 21:49:38,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 21:49:38,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 21:49:38,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 21:49:38,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 21:49:38,482 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 21:49:38,486 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 21:49:38,496 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 21:49:38,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 21:49:38,500 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 21:49:38,502 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 21:49:38,504 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 21:49:38,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 21:49:38,514 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 21:49:38,515 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 21:49:38,517 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 21:49:38,518 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 21:49:38,519 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 21:49:38,520 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 21:49:38,521 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 21:49:38,523 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 21:49:38,524 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 21:49:38,525 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 21:49:38,525 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 21:49:38,526 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 21:49:38,526 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 21:49:38,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 21:49:38,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 21:49:38,530 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 21:49:38,531 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-25 21:49:38,600 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 21:49:38,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 21:49:38,603 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 21:49:38,603 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 21:49:38,604 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 21:49:38,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 21:49:38,605 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 21:49:38,605 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 21:49:38,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 21:49:38,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 21:49:38,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 21:49:38,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 21:49:38,607 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-25 21:49:38,608 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-25 21:49:38,608 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 21:49:38,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 21:49:38,608 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 21:49:38,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 21:49:38,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 21:49:38,609 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 21:49:38,610 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 21:49:38,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 21:49:38,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 21:49:38,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 21:49:38,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 21:49:38,611 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 21:49:38,611 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-25 21:49:38,611 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-25 21:49:38,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 21:49:38,612 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 21:49:38,612 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-25 21:49:38,612 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89a7eeb30a66b8853c8b2fd1deb829ff9222bf3c [2020-10-25 21:49:39,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 21:49:39,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 21:49:39,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 21:49:39,086 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 21:49:39,087 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 21:49:39,088 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0682a.c [2020-10-25 21:49:39,174 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02d1b778e/6d831d85023b40f4b26c4f375d4bfef6/FLAGe9586d01c [2020-10-25 21:49:39,916 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 21:49:39,917 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0682a.c [2020-10-25 21:49:39,928 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02d1b778e/6d831d85023b40f4b26c4f375d4bfef6/FLAGe9586d01c [2020-10-25 21:49:40,261 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02d1b778e/6d831d85023b40f4b26c4f375d4bfef6 [2020-10-25 21:49:40,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 21:49:40,273 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 21:49:40,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 21:49:40,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 21:49:40,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 21:49:40,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:49:40" (1/1) ... [2020-10-25 21:49:40,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ae934b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:40, skipping insertion in model container [2020-10-25 21:49:40,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:49:40" (1/1) ... [2020-10-25 21:49:40,302 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 21:49:40,333 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 21:49:40,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:49:40,662 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 21:49:40,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:49:40,797 INFO L208 MainTranslator]: Completed translation [2020-10-25 21:49:40,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:40 WrapperNode [2020-10-25 21:49:40,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 21:49:40,800 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 21:49:40,800 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 21:49:40,800 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 21:49:40,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:40" (1/1) ... [2020-10-25 21:49:40,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:40" (1/1) ... [2020-10-25 21:49:40,892 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 21:49:40,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 21:49:40,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 21:49:40,895 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 21:49:40,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:40" (1/1) ... [2020-10-25 21:49:40,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:40" (1/1) ... [2020-10-25 21:49:40,923 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:40" (1/1) ... [2020-10-25 21:49:40,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:40" (1/1) ... [2020-10-25 21:49:40,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:40" (1/1) ... [2020-10-25 21:49:41,001 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:40" (1/1) ... [2020-10-25 21:49:41,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:40" (1/1) ... [2020-10-25 21:49:41,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 21:49:41,036 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 21:49:41,036 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 21:49:41,036 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 21:49:41,037 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:40" (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 21:49:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-25 21:49:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-25 21:49:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-25 21:49:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 21:49:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-10-25 21:49:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-25 21:49:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 21:49:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 21:49:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-25 21:49:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-25 21:50:22,003 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 21:50:22,004 INFO L298 CfgBuilder]: Removed 54 assume(true) statements. [2020-10-25 21:50:22,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:50:22 BoogieIcfgContainer [2020-10-25 21:50:22,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 21:50:22,008 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 21:50:22,008 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 21:50:22,012 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 21:50:22,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 09:49:40" (1/3) ... [2020-10-25 21:50:22,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e37cff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:50:22, skipping insertion in model container [2020-10-25 21:50:22,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:40" (2/3) ... [2020-10-25 21:50:22,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e37cff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:50:22, skipping insertion in model container [2020-10-25 21:50:22,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:50:22" (3/3) ... [2020-10-25 21:50:22,016 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0682a.c [2020-10-25 21:50:22,028 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 21:50:22,035 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 21:50:22,050 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 21:50:22,081 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 21:50:22,081 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 21:50:22,081 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 21:50:22,082 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 21:50:22,082 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 21:50:22,082 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 21:50:22,082 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 21:50:22,082 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 21:50:22,101 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2020-10-25 21:50:22,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-25 21:50:22,108 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:50:22,109 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:50:22,110 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:50:22,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:50:22,117 INFO L82 PathProgramCache]: Analyzing trace with hash -617567418, now seen corresponding path program 1 times [2020-10-25 21:50:22,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 21:50:22,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [110769373] [2020-10-25 21:50:22,132 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 21:50:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 21:50:22,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-25 21:50:22,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 21:50:22,633 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 21:50:22,633 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-25 21:50:22,639 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 21:50:22,640 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [110769373] [2020-10-25 21:50:22,641 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-25 21:50:22,641 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-25 21:50:22,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544112051] [2020-10-25 21:50:22,648 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 21:50:22,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-25 21:50:22,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 21:50:22,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 21:50:22,673 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 2 states. [2020-10-25 21:50:22,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 21:50:22,710 INFO L93 Difference]: Finished difference Result 247 states and 413 transitions. [2020-10-25 21:50:22,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 21:50:22,711 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2020-10-25 21:50:22,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 21:50:22,724 INFO L225 Difference]: With dead ends: 247 [2020-10-25 21:50:22,725 INFO L226 Difference]: Without dead ends: 120 [2020-10-25 21:50:22,729 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 21:50:22,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-10-25 21:50:22,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-10-25 21:50:22,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-10-25 21:50:22,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 169 transitions. [2020-10-25 21:50:22,778 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 169 transitions. Word has length 15 [2020-10-25 21:50:22,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 21:50:22,779 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 169 transitions. [2020-10-25 21:50:22,779 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 21:50:22,779 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 169 transitions. [2020-10-25 21:50:22,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-25 21:50:22,780 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:50:22,781 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 21:50:22,985 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-25 21:50:22,986 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:50:22,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:50:22,989 INFO L82 PathProgramCache]: Analyzing trace with hash -397782484, now seen corresponding path program 1 times [2020-10-25 21:50:22,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 21:50:22,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2099720001] [2020-10-25 21:50:22,992 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 21:50:23,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 21:50:23,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 21:50:23,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 21:50:23,559 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 21:50:23,559 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-25 21:50:23,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:50:23,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2099720001] [2020-10-25 21:50:23,564 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-25 21:50:23,564 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-10-25 21:50:23,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588021376] [2020-10-25 21:50:23,566 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 21:50:23,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-25 21:50:23,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 21:50:23,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 21:50:23,569 INFO L87 Difference]: Start difference. First operand 120 states and 169 transitions. Second operand 3 states. [2020-10-25 21:50:23,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 21:50:23,642 INFO L93 Difference]: Finished difference Result 229 states and 326 transitions. [2020-10-25 21:50:23,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 21:50:23,643 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-10-25 21:50:23,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 21:50:23,646 INFO L225 Difference]: With dead ends: 229 [2020-10-25 21:50:23,646 INFO L226 Difference]: Without dead ends: 120 [2020-10-25 21:50:23,648 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 21:50:23,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-10-25 21:50:23,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-10-25 21:50:23,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-10-25 21:50:23,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 168 transitions. [2020-10-25 21:50:23,671 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 168 transitions. Word has length 18 [2020-10-25 21:50:23,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 21:50:23,673 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 168 transitions. [2020-10-25 21:50:23,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 21:50:23,674 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 168 transitions. [2020-10-25 21:50:23,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-25 21:50:23,676 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:50:23,676 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 21:50:23,892 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-25 21:50:23,893 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:50:23,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:50:23,895 INFO L82 PathProgramCache]: Analyzing trace with hash -1006577033, now seen corresponding path program 1 times [2020-10-25 21:50:23,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 21:50:23,896 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1402253988] [2020-10-25 21:50:23,897 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 21:50:24,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 21:50:24,958 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 21:50:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 21:50:25,920 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 21:50:26,091 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-25 21:50:26,092 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-25 21:50:26,292 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-25 21:50:26,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 09:50:26 BoogieIcfgContainer [2020-10-25 21:50:26,416 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 21:50:26,417 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 21:50:26,417 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 21:50:26,418 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 21:50:26,418 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:50:22" (3/4) ... [2020-10-25 21:50:26,421 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-25 21:50:26,521 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 21:50:26,522 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 21:50:26,525 INFO L168 Benchmark]: Toolchain (without parser) took 46255.24 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 22.8 MB in the beginning and 27.1 MB in the end (delta: -4.3 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. [2020-10-25 21:50:26,526 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 46.1 MB. Free memory was 28.4 MB in the beginning and 28.3 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 21:50:26,527 INFO L168 Benchmark]: CACSL2BoogieTranslator took 523.46 ms. Allocated memory is still 46.1 MB. Free memory was 22.1 MB in the beginning and 29.2 MB in the end (delta: -7.0 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2020-10-25 21:50:26,528 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.59 ms. Allocated memory is still 46.1 MB. Free memory was 29.2 MB in the beginning and 25.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 21:50:26,529 INFO L168 Benchmark]: Boogie Preprocessor took 137.37 ms. Allocated memory is still 46.1 MB. Free memory was 25.4 MB in the beginning and 21.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 21:50:26,530 INFO L168 Benchmark]: RCFGBuilder took 40970.75 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 21.3 MB in the beginning and 28.3 MB in the end (delta: -7.0 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. [2020-10-25 21:50:26,530 INFO L168 Benchmark]: TraceAbstraction took 4408.44 ms. Allocated memory is still 56.6 MB. Free memory was 28.0 MB in the beginning and 33.4 MB in the end (delta: -5.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. [2020-10-25 21:50:26,531 INFO L168 Benchmark]: Witness Printer took 104.59 ms. Allocated memory is still 56.6 MB. Free memory was 33.4 MB in the beginning and 27.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-25 21:50:26,535 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 46.1 MB. Free memory was 28.4 MB in the beginning and 28.3 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 523.46 ms. Allocated memory is still 46.1 MB. Free memory was 22.1 MB in the beginning and 29.2 MB in the end (delta: -7.0 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 93.59 ms. Allocated memory is still 46.1 MB. Free memory was 29.2 MB in the beginning and 25.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 137.37 ms. Allocated memory is still 46.1 MB. Free memory was 25.4 MB in the beginning and 21.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 40970.75 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 21.3 MB in the beginning and 28.3 MB in the end (delta: -7.0 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4408.44 ms. Allocated memory is still 56.6 MB. Free memory was 28.0 MB in the beginning and 33.4 MB in the end (delta: -5.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. * Witness Printer took 104.59 ms. Allocated memory is still 56.6 MB. Free memory was 33.4 MB in the beginning and 27.1 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={2:0}, atanlo_atan={10:0}, 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 = -1.0 / 0.0; [L279] double y = __VERIFIER_nondet_double(); [L248] __int32_t hx, lx; VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, 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={2:0}, atanlo_atan={10:0}, 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] [L281] EXPR isinf_double(x) && isfinite_double(y) [L262] __int32_t hx; VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, 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={2:0}, atanlo_atan={10:0}, 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] [L281] EXPR isinf_double(x) && isfinite_double(y) VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, 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] [L281] COND TRUE isinf_double(x) && isfinite_double(y) && y < 0.0 [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, 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={2:0}, atanlo_atan={10:0}, 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={2:0}, atanlo_atan={10:0}, 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={2:0}, atanlo_atan={10:0}, 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] [L283] double res = __ieee754_atan2(y, x); [L286] COND TRUE res != -pi VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, 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_0682a.c", 3, "reach_error") VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, 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: 4.2s, 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, 1.7s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 1004 SizeOfPredicates, 0 NumberOfNonLiveVariables, 287 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...