./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0662b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a307c374-73f0-4263-8412-2a8822774a55/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a307c374-73f0-4263-8412-2a8822774a55/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a307c374-73f0-4263-8412-2a8822774a55/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a307c374-73f0-4263-8412-2a8822774a55/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0662b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a307c374-73f0-4263-8412-2a8822774a55/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a307c374-73f0-4263-8412-2a8822774a55/bin/uautomizer --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 49b0b96094723c8986d9da073ab342d1c1dce38a ........................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a307c374-73f0-4263-8412-2a8822774a55/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a307c374-73f0-4263-8412-2a8822774a55/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a307c374-73f0-4263-8412-2a8822774a55/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a307c374-73f0-4263-8412-2a8822774a55/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0662b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a307c374-73f0-4263-8412-2a8822774a55/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a307c374-73f0-4263-8412-2a8822774a55/bin/uautomizer --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 49b0b96094723c8986d9da073ab342d1c1dce38a ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:37:53,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:37:53,006 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:37:53,069 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:37:53,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:37:53,077 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:37:53,080 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:37:53,083 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:37:53,086 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:37:53,088 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:37:53,090 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:37:53,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:37:53,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:37:53,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:37:53,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:37:53,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:37:53,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:37:53,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:37:53,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:37:53,122 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:37:53,127 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:37:53,128 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:37:53,130 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:37:53,132 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:37:53,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:37:53,137 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:37:53,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:37:53,139 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:37:53,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:37:53,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:37:53,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:37:53,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:37:53,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:37:53,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:37:53,147 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:37:53,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:37:53,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:37:53,149 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:37:53,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:37:53,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:37:53,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:37:53,153 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a307c374-73f0-4263-8412-2a8822774a55/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 19:37:53,186 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:37:53,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:37:53,200 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:37:53,201 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:37:53,201 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:37:53,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:37:53,201 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:37:53,202 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:37:53,202 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:37:53,202 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:37:53,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:37:53,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:37:53,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:37:53,203 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:37:53,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:37:53,204 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:37:53,204 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:37:53,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:37:53,205 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:37:53,205 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:37:53,205 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:37:53,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:37:53,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:37:53,206 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:37:53,207 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:37:53,207 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:37:53,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:37:53,207 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:37:53,208 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:37:53,208 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:/tmp/vcloud-vcloud-master/worker/run_dir_a307c374-73f0-4263-8412-2a8822774a55/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a307c374-73f0-4263-8412-2a8822774a55/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49b0b96094723c8986d9da073ab342d1c1dce38a [2020-11-29 19:37:53,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:37:53,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:37:53,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:37:53,562 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:37:53,563 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:37:53,564 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a307c374-73f0-4263-8412-2a8822774a55/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0662b.c [2020-11-29 19:37:53,644 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a307c374-73f0-4263-8412-2a8822774a55/bin/uautomizer/data/ed4f3d43f/9d871ecb1f0a49f5a3ba292ef8821f01/FLAGd5bb104b6 [2020-11-29 19:37:54,257 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:37:54,257 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a307c374-73f0-4263-8412-2a8822774a55/sv-benchmarks/c/float-newlib/float_req_bl_0662b.c [2020-11-29 19:37:54,279 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a307c374-73f0-4263-8412-2a8822774a55/bin/uautomizer/data/ed4f3d43f/9d871ecb1f0a49f5a3ba292ef8821f01/FLAGd5bb104b6 [2020-11-29 19:37:54,543 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a307c374-73f0-4263-8412-2a8822774a55/bin/uautomizer/data/ed4f3d43f/9d871ecb1f0a49f5a3ba292ef8821f01 [2020-11-29 19:37:54,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:37:54,548 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:37:54,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:37:54,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:37:54,568 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:37:54,569 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:37:54" (1/1) ... [2020-11-29 19:37:54,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52f6b644 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:37:54, skipping insertion in model container [2020-11-29 19:37:54,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:37:54" (1/1) ... [2020-11-29 19:37:54,590 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:37:54,640 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:37:54,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:37:54,989 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:37:55,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:37:55,078 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:37:55,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:37:55 WrapperNode [2020-11-29 19:37:55,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:37:55,080 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:37:55,081 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:37:55,081 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:37:55,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:37:55" (1/1) ... [2020-11-29 19:37:55,107 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:37:55" (1/1) ... [2020-11-29 19:37:55,183 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:37:55,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:37:55,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:37:55,185 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:37:55,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:37:55" (1/1) ... [2020-11-29 19:37:55,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:37:55" (1/1) ... [2020-11-29 19:37:55,204 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:37:55" (1/1) ... [2020-11-29 19:37:55,204 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:37:55" (1/1) ... [2020-11-29 19:37:55,234 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:37:55" (1/1) ... [2020-11-29 19:37:55,245 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:37:55" (1/1) ... [2020-11-29 19:37:55,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:37:55" (1/1) ... [2020-11-29 19:37:55,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:37:55,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:37:55,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:37:55,272 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:37:55,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:37:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a307c374-73f0-4263-8412-2a8822774a55/bin/uautomizer/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 [2020-11-29 19:37:55,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:37:55,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:37:55,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-29 19:37:55,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 19:37:55,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-29 19:37:55,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:37:55,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:37:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 19:37:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-11-29 19:37:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 19:37:56,557 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:37:56,557 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-11-29 19:37:56,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:37:56 BoogieIcfgContainer [2020-11-29 19:37:56,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:37:56,562 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:37:56,562 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:37:56,566 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:37:56,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:37:54" (1/3) ... [2020-11-29 19:37:56,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b999525 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:37:56, skipping insertion in model container [2020-11-29 19:37:56,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:37:55" (2/3) ... [2020-11-29 19:37:56,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b999525 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:37:56, skipping insertion in model container [2020-11-29 19:37:56,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:37:56" (3/3) ... [2020-11-29 19:37:56,569 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0662b.c [2020-11-29 19:37:56,582 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:37:56,588 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 19:37:56,602 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 19:37:56,631 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:37:56,631 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:37:56,631 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:37:56,631 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:37:56,631 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:37:56,632 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:37:56,632 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:37:56,632 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:37:56,651 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2020-11-29 19:37:56,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 19:37:56,657 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:37:56,658 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:37:56,659 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:37:56,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:37:56,665 INFO L82 PathProgramCache]: Analyzing trace with hash 1059404064, now seen corresponding path program 1 times [2020-11-29 19:37:56,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:37:56,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646078721] [2020-11-29 19:37:56,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:37:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:37:56,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:37:56,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646078721] [2020-11-29 19:37:56,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:37:56,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:37:56,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940408961] [2020-11-29 19:37:56,857 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 19:37:56,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:37:56,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 19:37:56,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 19:37:56,877 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 2 states. [2020-11-29 19:37:56,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:37:56,913 INFO L93 Difference]: Finished difference Result 220 states and 367 transitions. [2020-11-29 19:37:56,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 19:37:56,915 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-29 19:37:56,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:37:56,928 INFO L225 Difference]: With dead ends: 220 [2020-11-29 19:37:56,928 INFO L226 Difference]: Without dead ends: 107 [2020-11-29 19:37:56,932 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 [2020-11-29 19:37:56,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-11-29 19:37:56,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-11-29 19:37:56,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-11-29 19:37:56,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 155 transitions. [2020-11-29 19:37:56,982 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 155 transitions. Word has length 11 [2020-11-29 19:37:56,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:37:56,982 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 155 transitions. [2020-11-29 19:37:56,983 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 19:37:56,983 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2020-11-29 19:37:56,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 19:37:56,984 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:37:56,984 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:37:56,984 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 19:37:56,985 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:37:56,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:37:56,986 INFO L82 PathProgramCache]: Analyzing trace with hash -7441751, now seen corresponding path program 1 times [2020-11-29 19:37:56,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:37:56,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349163436] [2020-11-29 19:37:56,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:37:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:37:57,120 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:37:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:37:57,242 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:37:57,320 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:37:57,321 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 19:37:57,322 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 19:37:57,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:37:57 BoogieIcfgContainer [2020-11-29 19:37:57,412 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:37:57,413 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:37:57,413 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:37:57,414 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:37:57,414 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:37:56" (3/4) ... [2020-11-29 19:37:57,418 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 19:37:57,418 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:37:57,422 INFO L168 Benchmark]: Toolchain (without parser) took 2870.88 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 52.2 MB in the beginning and 73.4 MB in the end (delta: -21.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:37:57,424 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 83.9 MB. Free memory was 54.8 MB in the beginning and 54.7 MB in the end (delta: 30.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:37:57,425 INFO L168 Benchmark]: CACSL2BoogieTranslator took 515.19 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 52.0 MB in the beginning and 73.6 MB in the end (delta: -21.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 19:37:57,427 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.88 ms. Allocated memory is still 102.8 MB. Free memory was 73.6 MB in the beginning and 70.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:37:57,428 INFO L168 Benchmark]: Boogie Preprocessor took 86.35 ms. Allocated memory is still 102.8 MB. Free memory was 70.1 MB in the beginning and 67.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:37:57,429 INFO L168 Benchmark]: RCFGBuilder took 1288.37 ms. Allocated memory is still 102.8 MB. Free memory was 67.0 MB in the beginning and 75.0 MB in the end (delta: -8.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:37:57,431 INFO L168 Benchmark]: TraceAbstraction took 850.70 ms. Allocated memory is still 102.8 MB. Free memory was 74.6 MB in the beginning and 73.4 MB in the end (delta: 1.2 MB). Peak memory consumption was 33.0 MB. Max. memory is 16.1 GB. [2020-11-29 19:37:57,432 INFO L168 Benchmark]: Witness Printer took 5.23 ms. Allocated memory is still 102.8 MB. Free memory is still 73.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:37:57,449 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 83.9 MB. Free memory was 54.8 MB in the beginning and 54.7 MB in the end (delta: 30.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 515.19 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 52.0 MB in the beginning and 73.6 MB in the end (delta: -21.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 102.88 ms. Allocated memory is still 102.8 MB. Free memory was 73.6 MB in the beginning and 70.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 86.35 ms. Allocated memory is still 102.8 MB. Free memory was 70.1 MB in the beginning and 67.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1288.37 ms. Allocated memory is still 102.8 MB. Free memory was 67.0 MB in the beginning and 75.0 MB in the end (delta: -8.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 850.70 ms. Allocated memory is still 102.8 MB. Free memory was 74.6 MB in the beginning and 73.4 MB in the end (delta: 1.2 MB). Peak memory consumption was 33.0 MB. Max. memory is 16.1 GB. * Witness Printer took 5.23 ms. Allocated memory is still 102.8 MB. Free memory is still 73.4 MB. 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 someBinaryFLOATComparisonOperation at line 231, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L218] float x = 0.0f; [L219] float y = __VERIFIER_nondet_float(); [L226] COND TRUE y < 0.0f [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L125] ieee_float_shape_type gf_u; [L126] gf_u.value = (x) [L127] EXPR gf_u.word [L127] (hx) = gf_u.word [L129] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L131] ieee_float_shape_type gf_u; [L132] gf_u.value = (y) [L133] EXPR gf_u.word [L133] (hy) = gf_u.word [L135] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L228] float res = __ieee754_atan2f(y, x); [L231] COND TRUE res != -pi_o_2 VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L3] __assert_fail("0", "float_req_bl_0662b.c", 3, "reach_error") VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 112 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 160 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:38:00,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:38:00,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:38:00,450 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-11-29 19:38:00,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:38:00,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:38:00,504 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:38:00,505 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:38:00,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:38:00,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:38:00,516 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:38:00,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:38:00,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:38:00,530 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:38:00,532 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:38:00,533 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:38:00,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-29 19:38:00,542 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:38:00,544 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:38:00,545 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:38:00,546 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:38:00,547 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:38:00,548 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:38:00,549 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:38:00,549 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:38:00,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:38:00,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:38:00,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:38:00,553 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a307c374-73f0-4263-8412-2a8822774a55/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-29 19:38:00,609 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:38:00,609 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:38:00,613 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:38:00,613 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:38:00,614 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:38:00,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:38:00,614 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:38:00,614 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:38:00,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:38:00,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:38:00,616 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:38:00,617 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:38:00,617 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 19:38:00,617 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 19:38:00,617 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:38:00,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:38:00,618 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:38:00,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:38:00,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:38:00,619 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:38:00,619 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:38:00,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:38:00,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:38:00,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:38:00,620 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:38:00,620 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:38:00,621 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 19:38:00,621 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 19:38:00,621 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:38:00,621 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:38:00,622 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 19:38:00,622 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:/tmp/vcloud-vcloud-master/worker/run_dir_a307c374-73f0-4263-8412-2a8822774a55/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a307c374-73f0-4263-8412-2a8822774a55/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49b0b96094723c8986d9da073ab342d1c1dce38a [2020-11-29 19:38:01,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:38:01,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:38:01,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:38:01,208 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:38:01,209 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:38:01,210 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a307c374-73f0-4263-8412-2a8822774a55/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0662b.c [2020-11-29 19:38:01,303 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a307c374-73f0-4263-8412-2a8822774a55/bin/uautomizer/data/460757631/27957782ae5d4962bb2dbae4c0a4936e/FLAGde39c9eee [2020-11-29 19:38:02,023 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:38:02,024 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a307c374-73f0-4263-8412-2a8822774a55/sv-benchmarks/c/float-newlib/float_req_bl_0662b.c [2020-11-29 19:38:02,034 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a307c374-73f0-4263-8412-2a8822774a55/bin/uautomizer/data/460757631/27957782ae5d4962bb2dbae4c0a4936e/FLAGde39c9eee [2020-11-29 19:38:02,338 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a307c374-73f0-4263-8412-2a8822774a55/bin/uautomizer/data/460757631/27957782ae5d4962bb2dbae4c0a4936e [2020-11-29 19:38:02,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:38:02,346 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:38:02,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:38:02,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:38:02,356 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:38:02,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:38:02" (1/1) ... [2020-11-29 19:38:02,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@270acb8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:38:02, skipping insertion in model container [2020-11-29 19:38:02,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:38:02" (1/1) ... [2020-11-29 19:38:02,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:38:02,422 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:38:02,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:38:02,735 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:38:02,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:38:02,852 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:38:02,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:38:02 WrapperNode [2020-11-29 19:38:02,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:38:02,855 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:38:02,855 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:38:02,855 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:38:02,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:38:02" (1/1) ... [2020-11-29 19:38:02,905 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:38:02" (1/1) ... [2020-11-29 19:38:02,978 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:38:02,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:38:02,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:38:02,993 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:38:03,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:38:02" (1/1) ... [2020-11-29 19:38:03,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:38:02" (1/1) ... [2020-11-29 19:38:03,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:38:02" (1/1) ... [2020-11-29 19:38:03,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:38:02" (1/1) ... [2020-11-29 19:38:03,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:38:02" (1/1) ... [2020-11-29 19:38:03,090 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:38:02" (1/1) ... [2020-11-29 19:38:03,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:38:02" (1/1) ... [2020-11-29 19:38:03,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:38:03,120 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:38:03,120 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:38:03,120 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:38:03,121 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:38:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a307c374-73f0-4263-8412-2a8822774a55/bin/uautomizer/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 [2020-11-29 19:38:03,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-11-29 19:38:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 19:38:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:38:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-11-29 19:38:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-29 19:38:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:38:03,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:38:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-11-29 19:38:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-29 19:38:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 19:38:26,155 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:38:26,156 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-11-29 19:38:26,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:38:26 BoogieIcfgContainer [2020-11-29 19:38:26,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:38:26,160 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:38:26,161 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:38:26,164 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:38:26,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:38:02" (1/3) ... [2020-11-29 19:38:26,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b92ad85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:38:26, skipping insertion in model container [2020-11-29 19:38:26,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:38:02" (2/3) ... [2020-11-29 19:38:26,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b92ad85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:38:26, skipping insertion in model container [2020-11-29 19:38:26,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:38:26" (3/3) ... [2020-11-29 19:38:26,168 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0662b.c [2020-11-29 19:38:26,181 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:38:26,187 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 19:38:26,201 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 19:38:26,231 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:38:26,231 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:38:26,232 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:38:26,232 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:38:26,232 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:38:26,232 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:38:26,232 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:38:26,233 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:38:26,252 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2020-11-29 19:38:26,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 19:38:26,258 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:38:26,259 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:38:26,259 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:38:26,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:38:26,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1059404064, now seen corresponding path program 1 times [2020-11-29 19:38:26,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:38:26,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1605264606] [2020-11-29 19:38:26,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a307c374-73f0-4263-8412-2a8822774a55/bin/uautomizer/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 [2020-11-29 19:38:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:38:27,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-29 19:38:27,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:38:27,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:38:27,740 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:38:27,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:38:27,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1605264606] [2020-11-29 19:38:27,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:38:27,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-29 19:38:27,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910264612] [2020-11-29 19:38:27,765 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 19:38:27,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:38:27,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 19:38:27,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 19:38:27,784 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 2 states. [2020-11-29 19:38:27,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:38:27,821 INFO L93 Difference]: Finished difference Result 220 states and 367 transitions. [2020-11-29 19:38:27,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 19:38:27,823 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-29 19:38:27,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:38:27,835 INFO L225 Difference]: With dead ends: 220 [2020-11-29 19:38:27,835 INFO L226 Difference]: Without dead ends: 107 [2020-11-29 19:38:27,839 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 19:38:27,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-11-29 19:38:27,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-11-29 19:38:27,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-11-29 19:38:27,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 155 transitions. [2020-11-29 19:38:27,892 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 155 transitions. Word has length 11 [2020-11-29 19:38:27,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:38:27,893 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 155 transitions. [2020-11-29 19:38:27,893 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 19:38:27,893 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2020-11-29 19:38:27,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 19:38:27,894 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:38:27,894 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:38:28,104 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-29 19:38:28,105 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:38:28,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:38:28,107 INFO L82 PathProgramCache]: Analyzing trace with hash -7441751, now seen corresponding path program 1 times [2020-11-29 19:38:28,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:38:28,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2102799764] [2020-11-29 19:38:28,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a307c374-73f0-4263-8412-2a8822774a55/bin/uautomizer/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 [2020-11-29 19:38:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:38:29,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-29 19:38:29,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:38:29,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:38:29,881 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:38:30,024 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 19:38:30,273 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 19:38:30,464 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 19:38:30,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:38:30,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2102799764] [2020-11-29 19:38:30,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:38:30,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2020-11-29 19:38:30,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158847020] [2020-11-29 19:38:30,573 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-29 19:38:30,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:38:30,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-29 19:38:30,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-11-29 19:38:30,575 INFO L87 Difference]: Start difference. First operand 107 states and 155 transitions. Second operand 14 states. [2020-11-29 19:38:34,735 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-11-29 19:38:34,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:38:34,836 INFO L93 Difference]: Finished difference Result 114 states and 163 transitions. [2020-11-29 19:38:34,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 19:38:34,841 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 13 [2020-11-29 19:38:34,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:38:34,842 INFO L225 Difference]: With dead ends: 114 [2020-11-29 19:38:34,842 INFO L226 Difference]: Without dead ends: 19 [2020-11-29 19:38:34,843 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-11-29 19:38:34,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-11-29 19:38:34,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-11-29 19:38:34,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-11-29 19:38:34,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2020-11-29 19:38:34,847 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 13 [2020-11-29 19:38:34,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:38:34,847 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2020-11-29 19:38:34,847 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-29 19:38:34,848 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2020-11-29 19:38:34,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 19:38:34,849 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:38:34,849 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:38:35,060 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-29 19:38:35,060 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:38:35,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:38:35,061 INFO L82 PathProgramCache]: Analyzing trace with hash -627671495, now seen corresponding path program 1 times [2020-11-29 19:38:35,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:38:35,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1540335372] [2020-11-29 19:38:35,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a307c374-73f0-4263-8412-2a8822774a55/bin/uautomizer/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 [2020-11-29 19:38:36,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:38:36,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 19:38:36,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:38:36,736 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2020-11-29 19:38:37,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:38:37,020 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:38:38,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:38:38,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1540335372] [2020-11-29 19:38:38,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:38:38,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2020-11-29 19:38:38,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204950656] [2020-11-29 19:38:38,366 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-29 19:38:38,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:38:38,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-29 19:38:38,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-11-29 19:38:38,368 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 10 states. [2020-11-29 19:38:41,000 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 20 [2020-11-29 19:38:41,380 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 20 [2020-11-29 19:38:41,762 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 22 [2020-11-29 19:38:41,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:38:41,763 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2020-11-29 19:38:41,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 19:38:41,764 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 18 [2020-11-29 19:38:41,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:38:41,764 INFO L225 Difference]: With dead ends: 19 [2020-11-29 19:38:41,764 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 19:38:41,765 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-11-29 19:38:41,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 19:38:41,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 19:38:41,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 19:38:41,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 19:38:41,765 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-11-29 19:38:41,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:38:41,766 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:38:41,766 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-29 19:38:41,766 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 19:38:41,766 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 19:38:41,966 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-29 19:38:41,968 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 19:38:42,447 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-11-29 19:38:42,467 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 19:38:42,467 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-29 19:38:42,467 INFO L274 CegarLoopResult]: For program point L136(lines 136 137) no Hoare annotation was computed. [2020-11-29 19:38:42,467 INFO L274 CegarLoopResult]: For program point L203(lines 203 207) no Hoare annotation was computed. [2020-11-29 19:38:42,468 INFO L274 CegarLoopResult]: For program point L170(lines 170 179) no Hoare annotation was computed. [2020-11-29 19:38:42,468 INFO L274 CegarLoopResult]: For program point L203-1(lines 196 208) no Hoare annotation was computed. [2020-11-29 19:38:42,468 INFO L274 CegarLoopResult]: For program point L203-2(lines 203 207) no Hoare annotation was computed. [2020-11-29 19:38:42,468 INFO L274 CegarLoopResult]: For program point L71(lines 71 96) no Hoare annotation was computed. [2020-11-29 19:38:42,468 INFO L274 CegarLoopResult]: For program point L71-2(lines 71 96) no Hoare annotation was computed. [2020-11-29 19:38:42,468 INFO L277 CegarLoopResult]: At program point L237(lines 217 238) the Hoare annotation is: true [2020-11-29 19:38:42,468 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-11-29 19:38:42,469 INFO L274 CegarLoopResult]: For program point L138(lines 138 139) no Hoare annotation was computed. [2020-11-29 19:38:42,469 INFO L274 CegarLoopResult]: For program point L72(lines 72 75) no Hoare annotation was computed. [2020-11-29 19:38:42,469 INFO L274 CegarLoopResult]: For program point L72-2(lines 72 75) no Hoare annotation was computed. [2020-11-29 19:38:42,469 INFO L274 CegarLoopResult]: For program point L72-3(lines 72 75) no Hoare annotation was computed. [2020-11-29 19:38:42,469 INFO L274 CegarLoopResult]: For program point L72-5(lines 72 75) no Hoare annotation was computed. [2020-11-29 19:38:42,469 INFO L274 CegarLoopResult]: For program point L73(lines 73 74) no Hoare annotation was computed. [2020-11-29 19:38:42,469 INFO L274 CegarLoopResult]: For program point L73-1(lines 73 74) no Hoare annotation was computed. [2020-11-29 19:38:42,469 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-29 19:38:42,470 INFO L274 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-11-29 19:38:42,470 INFO L274 CegarLoopResult]: For program point L142(lines 142 152) no Hoare annotation was computed. [2020-11-29 19:38:42,470 INFO L274 CegarLoopResult]: For program point L109(lines 109 114) no Hoare annotation was computed. [2020-11-29 19:38:42,470 INFO L274 CegarLoopResult]: For program point L142-2(lines 120 215) no Hoare annotation was computed. [2020-11-29 19:38:42,470 INFO L274 CegarLoopResult]: For program point L109-1(lines 109 114) no Hoare annotation was computed. [2020-11-29 19:38:42,470 INFO L274 CegarLoopResult]: For program point L143(lines 143 151) no Hoare annotation was computed. [2020-11-29 19:38:42,470 INFO L274 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2020-11-29 19:38:42,471 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-11-29 19:38:42,471 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-11-29 19:38:42,471 INFO L274 CegarLoopResult]: For program point L144-2(line 144) no Hoare annotation was computed. [2020-11-29 19:38:42,471 INFO L274 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-11-29 19:38:42,471 INFO L274 CegarLoopResult]: For program point L79(lines 79 95) no Hoare annotation was computed. [2020-11-29 19:38:42,471 INFO L274 CegarLoopResult]: For program point L79-1(lines 79 95) no Hoare annotation was computed. [2020-11-29 19:38:42,471 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-29 19:38:42,471 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-29 19:38:42,472 INFO L274 CegarLoopResult]: For program point L80(lines 80 86) no Hoare annotation was computed. [2020-11-29 19:38:42,472 INFO L274 CegarLoopResult]: For program point L113-2(line 113) no Hoare annotation was computed. [2020-11-29 19:38:42,472 INFO L270 CegarLoopResult]: At program point L113-3(lines 53 115) the Hoare annotation is: false [2020-11-29 19:38:42,472 INFO L274 CegarLoopResult]: For program point L80-3(lines 80 86) no Hoare annotation was computed. [2020-11-29 19:38:42,472 INFO L274 CegarLoopResult]: For program point L113-4(line 113) no Hoare annotation was computed. [2020-11-29 19:38:42,472 INFO L274 CegarLoopResult]: For program point L113-6(line 113) no Hoare annotation was computed. [2020-11-29 19:38:42,474 INFO L270 CegarLoopResult]: At program point L113-7(lines 53 115) the Hoare annotation is: false [2020-11-29 19:38:42,475 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-11-29 19:38:42,475 INFO L274 CegarLoopResult]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2020-11-29 19:38:42,475 INFO L270 CegarLoopResult]: At program point L16-2(lines 16 20) the Hoare annotation is: false [2020-11-29 19:38:42,475 INFO L274 CegarLoopResult]: For program point L16-5(lines 16 20) no Hoare annotation was computed. [2020-11-29 19:38:42,475 INFO L270 CegarLoopResult]: At program point L16-6(lines 16 20) the Hoare annotation is: false [2020-11-29 19:38:42,476 INFO L274 CegarLoopResult]: For program point L16-9(lines 16 20) no Hoare annotation was computed. [2020-11-29 19:38:42,476 INFO L270 CegarLoopResult]: At program point L16-10(lines 16 20) the Hoare annotation is: false [2020-11-29 19:38:42,476 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-29 19:38:42,476 INFO L274 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-11-29 19:38:42,476 INFO L274 CegarLoopResult]: For program point L184-2(line 184) no Hoare annotation was computed. [2020-11-29 19:38:42,476 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 19:38:42,477 INFO L270 CegarLoopResult]: At program point L120(lines 120 215) the Hoare annotation is: (and (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1) ULTIMATE.start___ieee754_atan2f_~ix~2))) (fp.lt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (_ +zero 8 24)) (= ULTIMATE.start___ieee754_atan2f_~x (_ +zero 8 24)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (_ +zero 8 24)) (fp.lt ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (fp.lt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) ULTIMATE.start___ieee754_atan2f_~iy~0))) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven) (= (fp.sub roundNearestTiesToEven (fp.neg ~pi_o_2~0) ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0)))) |ULTIMATE.start___ieee754_atan2f_#res|) (= ~pi_o_2~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0)) [2020-11-29 19:38:42,477 INFO L274 CegarLoopResult]: For program point L21(lines 21 25) no Hoare annotation was computed. [2020-11-29 19:38:42,477 INFO L274 CegarLoopResult]: For program point L21-1(lines 14 27) no Hoare annotation was computed. [2020-11-29 19:38:42,477 INFO L274 CegarLoopResult]: For program point L21-2(lines 21 25) no Hoare annotation was computed. [2020-11-29 19:38:42,477 INFO L274 CegarLoopResult]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2020-11-29 19:38:42,477 INFO L274 CegarLoopResult]: For program point L21-4(lines 14 27) no Hoare annotation was computed. [2020-11-29 19:38:42,478 INFO L274 CegarLoopResult]: For program point L21-5(lines 21 25) no Hoare annotation was computed. [2020-11-29 19:38:42,478 INFO L274 CegarLoopResult]: For program point L21-6(lines 21 25) no Hoare annotation was computed. [2020-11-29 19:38:42,478 INFO L274 CegarLoopResult]: For program point L21-7(lines 14 27) no Hoare annotation was computed. [2020-11-29 19:38:42,478 INFO L274 CegarLoopResult]: For program point L21-8(lines 21 25) no Hoare annotation was computed. [2020-11-29 19:38:42,480 INFO L274 CegarLoopResult]: For program point L187(lines 187 192) no Hoare annotation was computed. [2020-11-29 19:38:42,480 INFO L274 CegarLoopResult]: For program point L88(lines 88 94) no Hoare annotation was computed. [2020-11-29 19:38:42,480 INFO L274 CegarLoopResult]: For program point L88-2(lines 71 96) no Hoare annotation was computed. [2020-11-29 19:38:42,480 INFO L274 CegarLoopResult]: For program point L88-3(lines 88 94) no Hoare annotation was computed. [2020-11-29 19:38:42,480 INFO L274 CegarLoopResult]: For program point L88-5(lines 71 96) no Hoare annotation was computed. [2020-11-29 19:38:42,480 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-29 19:38:42,481 INFO L274 CegarLoopResult]: For program point L155-2(line 155) no Hoare annotation was computed. [2020-11-29 19:38:42,482 INFO L274 CegarLoopResult]: For program point L189(lines 189 192) no Hoare annotation was computed. [2020-11-29 19:38:42,486 INFO L274 CegarLoopResult]: For program point L189-2(lines 187 192) no Hoare annotation was computed. [2020-11-29 19:38:42,486 INFO L274 CegarLoopResult]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2020-11-29 19:38:42,487 INFO L270 CegarLoopResult]: At program point L57-2(lines 57 61) the Hoare annotation is: false [2020-11-29 19:38:42,487 INFO L274 CegarLoopResult]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2020-11-29 19:38:42,487 INFO L274 CegarLoopResult]: For program point L57-5(lines 57 61) no Hoare annotation was computed. [2020-11-29 19:38:42,487 INFO L270 CegarLoopResult]: At program point L57-6(lines 57 61) the Hoare annotation is: false [2020-11-29 19:38:42,488 INFO L274 CegarLoopResult]: For program point L57-7(lines 57 61) no Hoare annotation was computed. [2020-11-29 19:38:42,488 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 19:38:42,488 INFO L274 CegarLoopResult]: For program point L157(lines 157 181) no Hoare annotation was computed. [2020-11-29 19:38:42,489 INFO L274 CegarLoopResult]: For program point L157-1(lines 120 215) no Hoare annotation was computed. [2020-11-29 19:38:42,489 INFO L274 CegarLoopResult]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2020-11-29 19:38:42,489 INFO L270 CegarLoopResult]: At program point L124-2(lines 124 128) the Hoare annotation is: (and (= ULTIMATE.start___ieee754_atan2f_~x (_ +zero 8 24)) (fp.lt ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0)) [2020-11-29 19:38:42,489 INFO L274 CegarLoopResult]: For program point L124-3(lines 124 128) no Hoare annotation was computed. [2020-11-29 19:38:42,490 INFO L274 CegarLoopResult]: For program point L158(lines 158 180) no Hoare annotation was computed. [2020-11-29 19:38:42,490 INFO L270 CegarLoopResult]: At program point L26(lines 14 27) the Hoare annotation is: false [2020-11-29 19:38:42,490 INFO L270 CegarLoopResult]: At program point L26-1(lines 14 27) the Hoare annotation is: false [2020-11-29 19:38:42,490 INFO L270 CegarLoopResult]: At program point L26-2(lines 14 27) the Hoare annotation is: false [2020-11-29 19:38:42,490 INFO L274 CegarLoopResult]: For program point L159(lines 159 168) no Hoare annotation was computed. [2020-11-29 19:38:42,490 INFO L274 CegarLoopResult]: For program point L226(lines 226 235) no Hoare annotation was computed. [2020-11-29 19:38:42,491 INFO L274 CegarLoopResult]: For program point L193(lines 193 214) no Hoare annotation was computed. [2020-11-29 19:38:42,491 INFO L274 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-11-29 19:38:42,497 INFO L274 CegarLoopResult]: For program point L226-2(lines 226 235) no Hoare annotation was computed. [2020-11-29 19:38:42,498 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 19:38:42,498 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-29 19:38:42,498 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-11-29 19:38:42,499 INFO L274 CegarLoopResult]: For program point L63(lines 63 70) no Hoare annotation was computed. [2020-11-29 19:38:42,499 INFO L274 CegarLoopResult]: For program point L63-1(lines 63 70) no Hoare annotation was computed. [2020-11-29 19:38:42,499 INFO L274 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-11-29 19:38:42,499 INFO L274 CegarLoopResult]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2020-11-29 19:38:42,504 INFO L270 CegarLoopResult]: At program point L130-2(lines 130 134) the Hoare annotation is: (and (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1) ULTIMATE.start___ieee754_atan2f_~ix~2))) (= ULTIMATE.start___ieee754_atan2f_~x (_ +zero 8 24)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (_ +zero 8 24)) (fp.lt ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0)) [2020-11-29 19:38:42,504 INFO L274 CegarLoopResult]: For program point L64(lines 64 65) no Hoare annotation was computed. [2020-11-29 19:38:42,504 INFO L274 CegarLoopResult]: For program point L130-3(lines 130 134) no Hoare annotation was computed. [2020-11-29 19:38:42,504 INFO L274 CegarLoopResult]: For program point L64-1(lines 64 65) no Hoare annotation was computed. [2020-11-29 19:38:42,504 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-29 19:38:42,504 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 19:38:42,505 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 19:38:42,505 INFO L274 CegarLoopResult]: For program point L231(lines 231 234) no Hoare annotation was computed. [2020-11-29 19:38:42,505 INFO L274 CegarLoopResult]: For program point L198-1(lines 198 202) no Hoare annotation was computed. [2020-11-29 19:38:42,505 INFO L270 CegarLoopResult]: At program point L198-2(lines 198 202) the Hoare annotation is: false [2020-11-29 19:38:42,505 INFO L274 CegarLoopResult]: For program point L66(lines 66 69) no Hoare annotation was computed. [2020-11-29 19:38:42,506 INFO L274 CegarLoopResult]: For program point L66-1(lines 66 69) no Hoare annotation was computed. [2020-11-29 19:38:42,506 INFO L274 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-11-29 19:38:42,522 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 19:38:42,525 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,525 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,526 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,526 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,526 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,530 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 19:38:42,530 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,548 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,548 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,548 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,549 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,550 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 19:38:42,550 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 19:38:42,551 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 19:38:42,551 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 19:38:42,552 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 19:38:42,552 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,552 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,552 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,553 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,553 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,554 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 19:38:42,554 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 19:38:42,554 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 19:38:42,554 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 19:38:42,555 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 19:38:42,555 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,556 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,556 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,556 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,556 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,559 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 19:38:42,559 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 19:38:42,559 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 19:38:42,560 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 19:38:42,560 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 19:38:42,560 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 19:38:42,560 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 19:38:42,564 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 19:38:42,564 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 19:38:42,565 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 19:38:42,565 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 19:38:42,565 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 19:38:42,565 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 19:38:42,566 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 19:38:42,572 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,572 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,572 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,573 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 19:38:42,573 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 19:38:42,573 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 19:38:42,573 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 19:38:42,574 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 19:38:42,574 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 19:38:42,574 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 19:38:42,574 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 19:38:42,574 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 19:38:42,575 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 19:38:42,575 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 19:38:42,575 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 19:38:42,575 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 19:38:42,575 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 19:38:42,576 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,576 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,576 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:38:42 BoogieIcfgContainer [2020-11-29 19:38:42,579 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:38:42,579 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:38:42,579 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:38:42,581 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:38:42,582 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:38:26" (3/4) ... [2020-11-29 19:38:42,586 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 19:38:42,617 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-11-29 19:38:42,618 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-11-29 19:38:42,619 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:38:42,619 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:38:42,652 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix) && x == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE()) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && x == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 [2020-11-29 19:38:42,653 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix) && ~fp.lt~FLOAT(~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]), ~Pluszero~LONGDOUBLE())) && x == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE()) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy)) && x == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(pi_o_2), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result) && pi_o_2 == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/2000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 [2020-11-29 19:38:42,758 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a307c374-73f0-4263-8412-2a8822774a55/bin/uautomizer/witness.graphml [2020-11-29 19:38:42,758 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:38:42,759 INFO L168 Benchmark]: Toolchain (without parser) took 40412.56 ms. Allocated memory is still 83.9 MB. Free memory was 50.2 MB in the beginning and 52.5 MB in the end (delta: -2.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:38:42,760 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 83.9 MB. Free memory was 66.8 MB in the beginning and 66.7 MB in the end (delta: 70.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:38:42,760 INFO L168 Benchmark]: CACSL2BoogieTranslator took 504.86 ms. Allocated memory is still 83.9 MB. Free memory was 50.0 MB in the beginning and 57.6 MB in the end (delta: -7.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 19:38:42,762 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.94 ms. Allocated memory is still 83.9 MB. Free memory was 57.4 MB in the beginning and 54.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:38:42,764 INFO L168 Benchmark]: Boogie Preprocessor took 126.81 ms. Allocated memory is still 83.9 MB. Free memory was 53.9 MB in the beginning and 50.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:38:42,765 INFO L168 Benchmark]: RCFGBuilder took 23038.92 ms. Allocated memory is still 83.9 MB. Free memory was 50.4 MB in the beginning and 54.5 MB in the end (delta: -4.1 MB). Peak memory consumption was 25.8 MB. Max. memory is 16.1 GB. [2020-11-29 19:38:42,765 INFO L168 Benchmark]: TraceAbstraction took 16418.26 ms. Allocated memory is still 83.9 MB. Free memory was 53.9 MB in the beginning and 59.6 MB in the end (delta: -5.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 16.1 GB. [2020-11-29 19:38:42,766 INFO L168 Benchmark]: Witness Printer took 178.73 ms. Allocated memory is still 83.9 MB. Free memory was 59.6 MB in the beginning and 52.5 MB in the end (delta: 7.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 19:38:42,768 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 83.9 MB. Free memory was 66.8 MB in the beginning and 66.7 MB in the end (delta: 70.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 504.86 ms. Allocated memory is still 83.9 MB. Free memory was 50.0 MB in the beginning and 57.6 MB in the end (delta: -7.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 136.94 ms. Allocated memory is still 83.9 MB. Free memory was 57.4 MB in the beginning and 54.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 126.81 ms. Allocated memory is still 83.9 MB. Free memory was 53.9 MB in the beginning and 50.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 23038.92 ms. Allocated memory is still 83.9 MB. Free memory was 50.4 MB in the beginning and 54.5 MB in the end (delta: -4.1 MB). Peak memory consumption was 25.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 16418.26 ms. Allocated memory is still 83.9 MB. Free memory was 53.9 MB in the beginning and 59.6 MB in the end (delta: -5.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 16.1 GB. * Witness Printer took 178.73 ms. Allocated memory is still 83.9 MB. Free memory was 59.6 MB in the beginning and 52.5 MB in the end (delta: 7.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant [2020-11-29 19:38:42,790 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 19:38:42,791 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,791 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,791 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,791 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,792 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,792 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 19:38:42,792 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,793 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,793 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,793 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,793 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((x == ~Pluszero~LONGDOUBLE() && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && x == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant [2020-11-29 19:38:42,795 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 19:38:42,796 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 19:38:42,796 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 19:38:42,796 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 19:38:42,796 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 19:38:42,800 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,800 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,800 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,800 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,801 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,801 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 19:38:42,802 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 19:38:42,802 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 19:38:42,802 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 19:38:42,802 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 19:38:42,803 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,803 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,803 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,803 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,803 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((((\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix) && x == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE()) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && x == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 120]: Loop Invariant [2020-11-29 19:38:42,804 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 19:38:42,805 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 19:38:42,805 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 19:38:42,805 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 19:38:42,806 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 19:38:42,806 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 19:38:42,807 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 19:38:42,807 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 19:38:42,807 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 19:38:42,807 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 19:38:42,807 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 19:38:42,808 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 19:38:42,808 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 19:38:42,808 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 19:38:42,808 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,809 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,809 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,810 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 19:38:42,810 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 19:38:42,811 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 19:38:42,812 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 19:38:42,812 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 19:38:42,812 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 19:38:42,812 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 19:38:42,813 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 19:38:42,815 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 19:38:42,815 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 19:38:42,815 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 19:38:42,815 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 19:38:42,816 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 19:38:42,816 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 19:38:42,816 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,816 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:38:42,817 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((((((((\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix) && ~fp.lt~FLOAT(~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]), ~Pluszero~LONGDOUBLE())) && x == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE()) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy)) && x == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(pi_o_2), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result) && pi_o_2 == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/2000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 112 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 7.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 181 SDtfs, 116 SDslu, 78 SDs, 0 SdLazy, 43 SolverSat, 5 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 5.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 19 NumberOfFragments, 179 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.4s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 78 ConstructedInterpolants, 9 QuantifiedInterpolants, 10849 SizeOfPredicates, 18 NumberOfNonLiveVariables, 335 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...