./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0670.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_67c6d12a-672d-4fbf-9fff-d276534c2c8d/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_67c6d12a-672d-4fbf-9fff-d276534c2c8d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_67c6d12a-672d-4fbf-9fff-d276534c2c8d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_67c6d12a-672d-4fbf-9fff-d276534c2c8d/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c -s /tmp/vcloud-vcloud-master/worker/run_dir_67c6d12a-672d-4fbf-9fff-d276534c2c8d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_67c6d12a-672d-4fbf-9fff-d276534c2c8d/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 ed4a460efb594a84f062221537c87307eeb15468 ................................................................................................................................................................................................................................................................................................................................ 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_67c6d12a-672d-4fbf-9fff-d276534c2c8d/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_67c6d12a-672d-4fbf-9fff-d276534c2c8d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_67c6d12a-672d-4fbf-9fff-d276534c2c8d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_67c6d12a-672d-4fbf-9fff-d276534c2c8d/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c -s /tmp/vcloud-vcloud-master/worker/run_dir_67c6d12a-672d-4fbf-9fff-d276534c2c8d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_67c6d12a-672d-4fbf-9fff-d276534c2c8d/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 ed4a460efb594a84f062221537c87307eeb15468 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 20:32:37,472 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:32:37,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:32:37,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:32:37,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:32:37,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:32:37,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:32:37,605 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:32:37,608 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:32:37,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:32:37,612 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:32:37,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:32:37,615 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:32:37,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:32:37,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:32:37,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:32:37,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:32:37,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:32:37,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:32:37,630 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:32:37,633 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:32:37,635 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:32:37,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:32:37,638 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:32:37,643 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:32:37,644 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:32:37,645 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:32:37,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:32:37,647 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:32:37,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:32:37,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:32:37,651 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:32:37,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:32:37,655 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:32:37,658 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:32:37,658 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:32:37,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:32:37,661 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:32:37,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:32:37,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:32:37,666 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:32:37,670 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_67c6d12a-672d-4fbf-9fff-d276534c2c8d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 20:32:37,729 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:32:37,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:32:37,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:32:37,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:32:37,732 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 20:32:37,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:32:37,733 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:32:37,733 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:32:37,734 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:32:37,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:32:37,735 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 20:32:37,736 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:32:37,736 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 20:32:37,737 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:32:37,737 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:32:37,737 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:32:37,737 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 20:32:37,738 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:32:37,738 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 20:32:37,738 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:32:37,739 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 20:32:37,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 20:32:37,739 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:32:37,739 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:32:37,740 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 20:32:37,740 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 20:32:37,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 20:32:37,741 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 20:32:37,741 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 20:32:37,741 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_67c6d12a-672d-4fbf-9fff-d276534c2c8d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_67c6d12a-672d-4fbf-9fff-d276534c2c8d/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed4a460efb594a84f062221537c87307eeb15468 [2020-11-29 20:32:38,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:32:38,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:32:38,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:32:38,157 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:32:38,159 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:32:38,161 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_67c6d12a-672d-4fbf-9fff-d276534c2c8d/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2020-11-29 20:32:38,291 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_67c6d12a-672d-4fbf-9fff-d276534c2c8d/bin/uautomizer/data/0d8ab151c/9aaf9d0e8c404ae3818780e014e84881/FLAG8faf9229b [2020-11-29 20:32:38,907 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:32:38,908 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_67c6d12a-672d-4fbf-9fff-d276534c2c8d/sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2020-11-29 20:32:38,919 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_67c6d12a-672d-4fbf-9fff-d276534c2c8d/bin/uautomizer/data/0d8ab151c/9aaf9d0e8c404ae3818780e014e84881/FLAG8faf9229b [2020-11-29 20:32:39,237 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_67c6d12a-672d-4fbf-9fff-d276534c2c8d/bin/uautomizer/data/0d8ab151c/9aaf9d0e8c404ae3818780e014e84881 [2020-11-29 20:32:39,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:32:39,242 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:32:39,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:32:39,256 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:32:39,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:32:39,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:32:39" (1/1) ... [2020-11-29 20:32:39,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a20c59d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:32:39, skipping insertion in model container [2020-11-29 20:32:39,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:32:39" (1/1) ... [2020-11-29 20:32:39,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:32:39,307 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:32:39,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:32:39,755 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:32:39,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:32:39,899 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:32:39,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:32:39 WrapperNode [2020-11-29 20:32:39,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:32:39,902 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:32:39,902 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:32:39,902 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:32:39,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:32:39" (1/1) ... [2020-11-29 20:32:39,937 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:32:39" (1/1) ... [2020-11-29 20:32:40,004 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:32:40,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:32:40,005 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:32:40,006 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:32:40,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:32:39" (1/1) ... [2020-11-29 20:32:40,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:32:39" (1/1) ... [2020-11-29 20:32:40,040 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:32:39" (1/1) ... [2020-11-29 20:32:40,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:32:39" (1/1) ... [2020-11-29 20:32:40,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:32:39" (1/1) ... [2020-11-29 20:32:40,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:32:39" (1/1) ... [2020-11-29 20:32:40,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:32:39" (1/1) ... [2020-11-29 20:32:40,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:32:40,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:32:40,120 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:32:40,120 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:32:40,121 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:32:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67c6d12a-672d-4fbf-9fff-d276534c2c8d/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 20:32:40,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 20:32:40,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:32:40,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-29 20:32:40,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 20:32:40,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-29 20:32:40,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:32:40,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:32:40,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 20:32:40,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-11-29 20:32:40,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 20:32:41,646 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:32:41,647 INFO L298 CfgBuilder]: Removed 48 assume(true) statements. [2020-11-29 20:32:41,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:32:41 BoogieIcfgContainer [2020-11-29 20:32:41,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:32:41,651 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 20:32:41,652 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 20:32:41,659 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 20:32:41,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 08:32:39" (1/3) ... [2020-11-29 20:32:41,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42bad9bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 08:32:41, skipping insertion in model container [2020-11-29 20:32:41,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:32:39" (2/3) ... [2020-11-29 20:32:41,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42bad9bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 08:32:41, skipping insertion in model container [2020-11-29 20:32:41,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:32:41" (3/3) ... [2020-11-29 20:32:41,668 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0670.c [2020-11-29 20:32:41,684 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 20:32:41,692 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 20:32:41,710 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 20:32:41,741 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 20:32:41,741 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 20:32:41,742 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 20:32:41,742 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 20:32:41,742 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 20:32:41,742 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 20:32:41,742 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 20:32:41,742 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 20:32:41,764 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2020-11-29 20:32:41,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 20:32:41,771 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:32:41,772 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:32:41,773 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:32:41,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:32:41,781 INFO L82 PathProgramCache]: Analyzing trace with hash 2081772354, now seen corresponding path program 1 times [2020-11-29 20:32:41,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:32:41,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457014095] [2020-11-29 20:32:41,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:32:41,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:32:42,006 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 20:32:42,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457014095] [2020-11-29 20:32:42,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:32:42,009 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 20:32:42,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746675020] [2020-11-29 20:32:42,015 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 20:32:42,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:32:42,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 20:32:42,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 20:32:42,035 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 2 states. [2020-11-29 20:32:42,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:32:42,073 INFO L93 Difference]: Finished difference Result 225 states and 373 transitions. [2020-11-29 20:32:42,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 20:32:42,075 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2020-11-29 20:32:42,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:32:42,089 INFO L225 Difference]: With dead ends: 225 [2020-11-29 20:32:42,090 INFO L226 Difference]: Without dead ends: 111 [2020-11-29 20:32:42,099 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 20:32:42,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-11-29 20:32:42,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-11-29 20:32:42,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-11-29 20:32:42,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 160 transitions. [2020-11-29 20:32:42,155 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 160 transitions. Word has length 14 [2020-11-29 20:32:42,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:32:42,156 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 160 transitions. [2020-11-29 20:32:42,156 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 20:32:42,156 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 160 transitions. [2020-11-29 20:32:42,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 20:32:42,157 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:32:42,157 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:32:42,161 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 20:32:42,162 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:32:42,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:32:42,165 INFO L82 PathProgramCache]: Analyzing trace with hash 1906427737, now seen corresponding path program 1 times [2020-11-29 20:32:42,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:32:42,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284437218] [2020-11-29 20:32:42,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:32:42,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:32:42,320 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:32:42,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:32:42,524 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:32:42,589 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:32:42,592 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 20:32:42,593 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 20:32:42,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 08:32:42 BoogieIcfgContainer [2020-11-29 20:32:42,692 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 20:32:42,694 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:32:42,694 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:32:42,695 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:32:42,695 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:32:41" (3/4) ... [2020-11-29 20:32:42,700 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 20:32:42,700 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:32:42,704 INFO L168 Benchmark]: Toolchain (without parser) took 3459.36 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 61.5 MB in the beginning and 79.3 MB in the end (delta: -17.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:32:42,706 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 69.2 MB. Free memory was 31.9 MB in the beginning and 31.9 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:32:42,708 INFO L168 Benchmark]: CACSL2BoogieTranslator took 645.32 ms. Allocated memory is still 94.4 MB. Free memory was 61.3 MB in the beginning and 66.9 MB in the end (delta: -5.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 20:32:42,709 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.59 ms. Allocated memory is still 94.4 MB. Free memory was 66.9 MB in the beginning and 63.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 20:32:42,710 INFO L168 Benchmark]: Boogie Preprocessor took 113.43 ms. Allocated memory is still 94.4 MB. Free memory was 63.6 MB in the beginning and 60.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:32:42,712 INFO L168 Benchmark]: RCFGBuilder took 1529.94 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 60.2 MB in the beginning and 73.7 MB in the end (delta: -13.6 MB). Peak memory consumption was 40.7 MB. Max. memory is 16.1 GB. [2020-11-29 20:32:42,713 INFO L168 Benchmark]: TraceAbstraction took 1041.37 ms. Allocated memory is still 113.2 MB. Free memory was 73.0 MB in the beginning and 80.1 MB in the end (delta: -7.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:32:42,715 INFO L168 Benchmark]: Witness Printer took 6.06 ms. Allocated memory is still 113.2 MB. Free memory was 80.1 MB in the beginning and 79.3 MB in the end (delta: 780.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:32:42,730 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 69.2 MB. Free memory was 31.9 MB in the beginning and 31.9 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 645.32 ms. Allocated memory is still 94.4 MB. Free memory was 61.3 MB in the beginning and 66.9 MB in the end (delta: -5.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 102.59 ms. Allocated memory is still 94.4 MB. Free memory was 66.9 MB in the beginning and 63.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 113.43 ms. Allocated memory is still 94.4 MB. Free memory was 63.6 MB in the beginning and 60.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1529.94 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 60.2 MB in the beginning and 73.7 MB in the end (delta: -13.6 MB). Peak memory consumption was 40.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1041.37 ms. Allocated memory is still 113.2 MB. Free memory was 73.0 MB in the beginning and 80.1 MB in the end (delta: -7.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 6.06 ms. Allocated memory is still 113.2 MB. Free memory was 80.1 MB in the beginning and 79.3 MB in the end (delta: 780.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 15, overapproximation of someUnaryDOUBLEoperation at line 47, overapproximation of bitwiseAnd at line 138, overapproximation of someBinaryArithmeticFLOAToperation at line 140. Possible FailurePath: [L32-L37] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L39-L44] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L46-L50] 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, }; [L52-L54] 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; [L120-L121] 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] [L226] float x = __VERIFIER_nondet_float(); [L227] float y = __VERIFIER_nondet_float(); [L15] return x != x; 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] [L229] isnan_float(x) || isnan_float(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] [L229] COND TRUE isnan_float(x) || isnan_float(y) [L124] float z; [L125] __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] [L128] ieee_float_shape_type gf_u; [L129] gf_u.value = (x) [L130] EXPR gf_u.word [L130] (hx) = gf_u.word [L132] 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] [L134] ieee_float_shape_type gf_u; [L135] gf_u.value = (y) [L136] EXPR gf_u.word [L136] (hy) = gf_u.word [L138] 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] [L139] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L140] 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] [L232] float res = __ieee754_atan2f(y, x); [L15] return x != x; 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] [L235] COND TRUE !isnan_float(res) [L3] __assert_fail("0", "float_req_bl_0670.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, 116 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 165 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=116occurred 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, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 169 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 20:32:46,037 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:32:46,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:32:46,110 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:32:46,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:32:46,121 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:32:46,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:32:46,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:32:46,136 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:32:46,146 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:32:46,148 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:32:46,162 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:32:46,163 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:32:46,164 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:32:46,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:32:46,168 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:32:46,169 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:32:46,171 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:32:46,173 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:32:46,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:32:46,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:32:46,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:32:46,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:32:46,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:32:46,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:32:46,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:32:46,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:32:46,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:32:46,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:32:46,211 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:32:46,211 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:32:46,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:32:46,216 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:32:46,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:32:46,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:32:46,220 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:32:46,221 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:32:46,221 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:32:46,222 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:32:46,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:32:46,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:32:46,227 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_67c6d12a-672d-4fbf-9fff-d276534c2c8d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-29 20:32:46,296 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:32:46,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:32:46,300 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:32:46,301 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:32:46,301 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 20:32:46,301 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:32:46,302 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:32:46,302 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:32:46,302 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:32:46,302 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 20:32:46,304 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:32:46,304 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 20:32:46,305 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 20:32:46,305 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 20:32:46,305 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:32:46,305 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:32:46,306 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:32:46,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 20:32:46,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:32:46,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 20:32:46,307 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:32:46,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 20:32:46,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 20:32:46,308 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:32:46,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:32:46,309 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 20:32:46,309 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 20:32:46,309 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 20:32:46,309 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 20:32:46,310 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 20:32:46,310 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 20:32:46,310 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_67c6d12a-672d-4fbf-9fff-d276534c2c8d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_67c6d12a-672d-4fbf-9fff-d276534c2c8d/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed4a460efb594a84f062221537c87307eeb15468 [2020-11-29 20:32:46,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:32:46,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:32:46,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:32:46,954 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:32:46,955 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:32:46,957 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_67c6d12a-672d-4fbf-9fff-d276534c2c8d/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2020-11-29 20:32:47,057 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_67c6d12a-672d-4fbf-9fff-d276534c2c8d/bin/uautomizer/data/3492ed57f/da627e8fa2754f2b9e9499ba7b598138/FLAGc6dfe2d54 [2020-11-29 20:32:47,805 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:32:47,806 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_67c6d12a-672d-4fbf-9fff-d276534c2c8d/sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2020-11-29 20:32:47,825 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_67c6d12a-672d-4fbf-9fff-d276534c2c8d/bin/uautomizer/data/3492ed57f/da627e8fa2754f2b9e9499ba7b598138/FLAGc6dfe2d54 [2020-11-29 20:32:48,118 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_67c6d12a-672d-4fbf-9fff-d276534c2c8d/bin/uautomizer/data/3492ed57f/da627e8fa2754f2b9e9499ba7b598138 [2020-11-29 20:32:48,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:32:48,123 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:32:48,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:32:48,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:32:48,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:32:48,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:32:48" (1/1) ... [2020-11-29 20:32:48,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@113c22d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:32:48, skipping insertion in model container [2020-11-29 20:32:48,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:32:48" (1/1) ... [2020-11-29 20:32:48,148 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:32:48,191 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:32:48,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:32:48,545 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:32:48,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:32:48,697 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:32:48,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:32:48 WrapperNode [2020-11-29 20:32:48,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:32:48,699 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:32:48,699 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:32:48,699 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:32:48,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:32:48" (1/1) ... [2020-11-29 20:32:48,731 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:32:48" (1/1) ... [2020-11-29 20:32:48,785 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:32:48,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:32:48,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:32:48,787 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:32:48,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:32:48" (1/1) ... [2020-11-29 20:32:48,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:32:48" (1/1) ... [2020-11-29 20:32:48,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:32:48" (1/1) ... [2020-11-29 20:32:48,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:32:48" (1/1) ... [2020-11-29 20:32:48,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:32:48" (1/1) ... [2020-11-29 20:32:48,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:32:48" (1/1) ... [2020-11-29 20:32:48,872 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:32:48" (1/1) ... [2020-11-29 20:32:48,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:32:48,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:32:48,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:32:48,882 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:32:48,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:32:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67c6d12a-672d-4fbf-9fff-d276534c2c8d/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 20:32:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-11-29 20:32:49,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 20:32:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:32:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-11-29 20:32:49,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-29 20:32:49,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:32:49,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:32:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-11-29 20:32:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-29 20:32:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 20:33:11,955 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:33:11,955 INFO L298 CfgBuilder]: Removed 48 assume(true) statements. [2020-11-29 20:33:11,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:33:11 BoogieIcfgContainer [2020-11-29 20:33:11,958 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:33:11,960 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 20:33:11,960 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 20:33:11,965 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 20:33:11,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 08:32:48" (1/3) ... [2020-11-29 20:33:11,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aa3224a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 08:33:11, skipping insertion in model container [2020-11-29 20:33:11,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:32:48" (2/3) ... [2020-11-29 20:33:11,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aa3224a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 08:33:11, skipping insertion in model container [2020-11-29 20:33:11,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:33:11" (3/3) ... [2020-11-29 20:33:11,970 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0670.c [2020-11-29 20:33:11,985 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 20:33:11,991 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 20:33:12,008 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 20:33:12,041 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 20:33:12,042 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 20:33:12,042 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 20:33:12,042 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 20:33:12,042 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 20:33:12,043 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 20:33:12,043 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 20:33:12,043 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 20:33:12,065 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2020-11-29 20:33:12,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 20:33:12,073 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:33:12,074 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:33:12,076 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:33:12,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:33:12,095 INFO L82 PathProgramCache]: Analyzing trace with hash 2081772354, now seen corresponding path program 1 times [2020-11-29 20:33:12,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 20:33:12,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1240402489] [2020-11-29 20:33:12,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67c6d12a-672d-4fbf-9fff-d276534c2c8d/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 20:33:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:33:13,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-29 20:33:13,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:33:13,602 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 20:33:13,602 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 20:33:13,607 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 20:33:13,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1240402489] [2020-11-29 20:33:13,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:33:13,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-29 20:33:13,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032731564] [2020-11-29 20:33:13,616 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 20:33:13,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 20:33:13,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 20:33:13,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 20:33:13,636 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 2 states. [2020-11-29 20:33:13,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:33:13,672 INFO L93 Difference]: Finished difference Result 225 states and 373 transitions. [2020-11-29 20:33:13,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 20:33:13,674 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2020-11-29 20:33:13,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:33:13,687 INFO L225 Difference]: With dead ends: 225 [2020-11-29 20:33:13,687 INFO L226 Difference]: Without dead ends: 111 [2020-11-29 20:33:13,691 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 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 20:33:13,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-11-29 20:33:13,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-11-29 20:33:13,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-11-29 20:33:13,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 160 transitions. [2020-11-29 20:33:13,738 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 160 transitions. Word has length 14 [2020-11-29 20:33:13,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:33:13,739 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 160 transitions. [2020-11-29 20:33:13,739 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 20:33:13,739 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 160 transitions. [2020-11-29 20:33:13,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 20:33:13,740 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:33:13,741 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:33:13,949 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-29 20:33:13,949 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:33:13,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:33:13,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1906427737, now seen corresponding path program 1 times [2020-11-29 20:33:13,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 20:33:13,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1799683705] [2020-11-29 20:33:13,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67c6d12a-672d-4fbf-9fff-d276534c2c8d/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 20:33:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:33:15,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 16 conjunts are in the unsatisfiable core [2020-11-29 20:33:15,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:33:15,515 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 20:33:15,958 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 20:33:16,229 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 20:33:16,229 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 20:33:17,578 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2020-11-29 20:33:18,599 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2020-11-29 20:33:19,770 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-11-29 20:33:21,127 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2020-11-29 20:33:21,148 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-11-29 20:33:21,150 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 20:33:21,217 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 20:33:21,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1799683705] [2020-11-29 20:33:21,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:33:21,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 17 [2020-11-29 20:33:21,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284851656] [2020-11-29 20:33:21,228 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-11-29 20:33:21,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 20:33:21,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-11-29 20:33:21,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2020-11-29 20:33:21,231 INFO L87 Difference]: Start difference. First operand 111 states and 160 transitions. Second operand 17 states. [2020-11-29 20:33:24,458 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 19 [2020-11-29 20:33:26,676 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 21 [2020-11-29 20:34:57,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:34:57,905 INFO L93 Difference]: Finished difference Result 236 states and 331 transitions. [2020-11-29 20:34:57,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-29 20:34:57,916 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 16 [2020-11-29 20:34:57,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:34:57,920 INFO L225 Difference]: With dead ends: 236 [2020-11-29 20:34:57,921 INFO L226 Difference]: Without dead ends: 231 [2020-11-29 20:34:57,922 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2020-11-29 20:34:57,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2020-11-29 20:34:57,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 119. [2020-11-29 20:34:57,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-11-29 20:34:57,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 168 transitions. [2020-11-29 20:34:57,946 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 168 transitions. Word has length 16 [2020-11-29 20:34:57,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:34:57,947 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 168 transitions. [2020-11-29 20:34:57,947 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-11-29 20:34:57,947 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 168 transitions. [2020-11-29 20:34:57,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 20:34:57,949 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:34:57,949 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:34:58,153 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-29 20:34:58,153 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:34:58,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:34:58,154 INFO L82 PathProgramCache]: Analyzing trace with hash 2143643094, now seen corresponding path program 1 times [2020-11-29 20:34:58,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 20:34:58,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [842990781] [2020-11-29 20:34:58,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67c6d12a-672d-4fbf-9fff-d276534c2c8d/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 20:34:59,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:34:59,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 16 conjunts are in the unsatisfiable core [2020-11-29 20:34:59,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:34:59,495 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 20:34:59,496 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 20:34:59,763 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 20:34:59,977 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 20:34:59,977 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 20:35:02,334 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-11-29 20:35:03,680 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2020-11-29 20:35:03,703 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-11-29 20:35:03,704 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 20:35:03,746 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 20:35:03,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [842990781] [2020-11-29 20:35:03,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:35:03,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2020-11-29 20:35:03,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125084322] [2020-11-29 20:35:03,747 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-11-29 20:35:03,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 20:35:03,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-11-29 20:35:03,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2020-11-29 20:35:03,749 INFO L87 Difference]: Start difference. First operand 119 states and 168 transitions. Second operand 15 states. [2020-11-29 20:35:05,275 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-11-29 20:35:06,113 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 13 [2020-11-29 20:35:07,138 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 16 [2020-11-29 20:35:07,638 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 18 [2020-11-29 20:35:27,348 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-11-29 20:36:34,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:36:34,338 INFO L93 Difference]: Finished difference Result 236 states and 330 transitions. [2020-11-29 20:36:34,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-29 20:36:34,347 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 17 [2020-11-29 20:36:34,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:36:34,350 INFO L225 Difference]: With dead ends: 236 [2020-11-29 20:36:34,350 INFO L226 Difference]: Without dead ends: 231 [2020-11-29 20:36:34,351 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2020-11-29 20:36:34,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2020-11-29 20:36:34,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 124. [2020-11-29 20:36:34,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-11-29 20:36:34,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 175 transitions. [2020-11-29 20:36:34,369 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 175 transitions. Word has length 17 [2020-11-29 20:36:34,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:36:34,369 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 175 transitions. [2020-11-29 20:36:34,370 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-11-29 20:36:34,370 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 175 transitions. [2020-11-29 20:36:34,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 20:36:34,371 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:36:34,371 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:36:34,585 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-29 20:36:34,585 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:36:34,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:36:34,586 INFO L82 PathProgramCache]: Analyzing trace with hash 953381099, now seen corresponding path program 1 times [2020-11-29 20:36:34,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 20:36:34,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1022845389] [2020-11-29 20:36:34,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67c6d12a-672d-4fbf-9fff-d276534c2c8d/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-29 20:36:35,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:36:35,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 13 conjunts are in the unsatisfiable core [2020-11-29 20:36:35,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:36:35,738 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 20:36:35,857 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 20:36:35,857 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 20:36:36,126 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 20:36:36,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1022845389] [2020-11-29 20:36:36,126 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:36:36,126 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2020-11-29 20:36:36,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331354678] [2020-11-29 20:36:36,127 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-29 20:36:36,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 20:36:36,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-29 20:36:36,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-11-29 20:36:36,128 INFO L87 Difference]: Start difference. First operand 124 states and 175 transitions. Second operand 14 states. [2020-11-29 20:36:37,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:36:37,228 INFO L93 Difference]: Finished difference Result 227 states and 319 transitions. [2020-11-29 20:36:37,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-29 20:36:37,229 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 21 [2020-11-29 20:36:37,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:36:37,230 INFO L225 Difference]: With dead ends: 227 [2020-11-29 20:36:37,231 INFO L226 Difference]: Without dead ends: 121 [2020-11-29 20:36:37,232 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2020-11-29 20:36:37,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-11-29 20:36:37,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 111. [2020-11-29 20:36:37,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-11-29 20:36:37,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 157 transitions. [2020-11-29 20:36:37,245 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 157 transitions. Word has length 21 [2020-11-29 20:36:37,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:36:37,246 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 157 transitions. [2020-11-29 20:36:37,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-29 20:36:37,246 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 157 transitions. [2020-11-29 20:36:37,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 20:36:37,248 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:36:37,248 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:36:37,467 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-29 20:36:37,468 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:36:37,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:36:37,468 INFO L82 PathProgramCache]: Analyzing trace with hash -74426226, now seen corresponding path program 1 times [2020-11-29 20:36:37,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 20:36:37,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1861347736] [2020-11-29 20:36:37,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67c6d12a-672d-4fbf-9fff-d276534c2c8d/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-29 20:36:38,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:36:38,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 13 conjunts are in the unsatisfiable core [2020-11-29 20:36:38,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:36:38,560 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 20:36:38,561 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 20:36:38,662 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 20:36:38,663 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 20:36:38,782 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 20:36:38,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1861347736] [2020-11-29 20:36:38,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:36:38,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 10 [2020-11-29 20:36:38,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339908803] [2020-11-29 20:36:38,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-29 20:36:38,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 20:36:38,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-29 20:36:38,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-11-29 20:36:38,785 INFO L87 Difference]: Start difference. First operand 111 states and 157 transitions. Second operand 10 states. [2020-11-29 20:36:39,248 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2020-11-29 20:36:39,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:36:39,250 INFO L93 Difference]: Finished difference Result 111 states and 157 transitions. [2020-11-29 20:36:39,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 20:36:39,251 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22 [2020-11-29 20:36:39,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:36:39,251 INFO L225 Difference]: With dead ends: 111 [2020-11-29 20:36:39,251 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 20:36:39,252 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-11-29 20:36:39,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 20:36:39,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 20:36:39,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 20:36:39,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 20:36:39,253 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2020-11-29 20:36:39,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:36:39,253 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:36:39,253 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-29 20:36:39,253 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 20:36:39,253 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 20:36:39,463 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-29 20:36:39,465 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 20:36:40,205 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-11-29 20:36:40,565 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-11-29 20:36:41,697 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2020-11-29 20:36:41,699 INFO L274 CegarLoopResult]: For program point L201-1(lines 201 205) no Hoare annotation was computed. [2020-11-29 20:36:41,699 INFO L270 CegarLoopResult]: At program point L201-2(lines 201 205) the Hoare annotation is: false [2020-11-29 20:36:41,699 INFO L274 CegarLoopResult]: For program point L69(lines 69 72) no Hoare annotation was computed. [2020-11-29 20:36:41,699 INFO L274 CegarLoopResult]: For program point L69-1(lines 69 72) no Hoare annotation was computed. [2020-11-29 20:36:41,699 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 20:36:41,699 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-29 20:36:41,700 INFO L274 CegarLoopResult]: For program point L235(lines 235 238) no Hoare annotation was computed. [2020-11-29 20:36:41,700 INFO L274 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-11-29 20:36:41,700 INFO L274 CegarLoopResult]: For program point L139(lines 139 140) no Hoare annotation was computed. [2020-11-29 20:36:41,700 INFO L274 CegarLoopResult]: For program point L206(lines 206 210) no Hoare annotation was computed. [2020-11-29 20:36:41,700 INFO L274 CegarLoopResult]: For program point L173(lines 173 182) no Hoare annotation was computed. [2020-11-29 20:36:41,700 INFO L274 CegarLoopResult]: For program point L206-1(lines 199 211) no Hoare annotation was computed. [2020-11-29 20:36:41,700 INFO L274 CegarLoopResult]: For program point L206-2(lines 206 210) no Hoare annotation was computed. [2020-11-29 20:36:41,700 INFO L274 CegarLoopResult]: For program point L74(lines 74 99) no Hoare annotation was computed. [2020-11-29 20:36:41,700 INFO L274 CegarLoopResult]: For program point L74-2(lines 74 99) no Hoare annotation was computed. [2020-11-29 20:36:41,701 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-11-29 20:36:41,701 INFO L274 CegarLoopResult]: For program point L141(lines 141 142) no Hoare annotation was computed. [2020-11-29 20:36:41,701 INFO L274 CegarLoopResult]: For program point L75(lines 75 78) no Hoare annotation was computed. [2020-11-29 20:36:41,701 INFO L274 CegarLoopResult]: For program point L75-2(lines 75 78) no Hoare annotation was computed. [2020-11-29 20:36:41,701 INFO L274 CegarLoopResult]: For program point L75-3(lines 75 78) no Hoare annotation was computed. [2020-11-29 20:36:41,701 INFO L274 CegarLoopResult]: For program point L75-5(lines 75 78) no Hoare annotation was computed. [2020-11-29 20:36:41,701 INFO L277 CegarLoopResult]: At program point L241(lines 220 242) the Hoare annotation is: true [2020-11-29 20:36:41,701 INFO L274 CegarLoopResult]: For program point L76(lines 76 77) no Hoare annotation was computed. [2020-11-29 20:36:41,701 INFO L274 CegarLoopResult]: For program point L76-1(lines 76 77) no Hoare annotation was computed. [2020-11-29 20:36:41,701 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-29 20:36:41,701 INFO L274 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-11-29 20:36:41,702 INFO L274 CegarLoopResult]: For program point L145(lines 145 155) no Hoare annotation was computed. [2020-11-29 20:36:41,702 INFO L274 CegarLoopResult]: For program point L112(lines 112 117) no Hoare annotation was computed. [2020-11-29 20:36:41,702 INFO L274 CegarLoopResult]: For program point L145-2(lines 123 218) no Hoare annotation was computed. [2020-11-29 20:36:41,702 INFO L274 CegarLoopResult]: For program point L112-1(lines 112 117) no Hoare annotation was computed. [2020-11-29 20:36:41,702 INFO L274 CegarLoopResult]: For program point L146(lines 146 154) no Hoare annotation was computed. [2020-11-29 20:36:41,702 INFO L274 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-11-29 20:36:41,702 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-11-29 20:36:41,702 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-11-29 20:36:41,702 INFO L274 CegarLoopResult]: For program point L147-2(line 147) no Hoare annotation was computed. [2020-11-29 20:36:41,703 INFO L270 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: (and (let ((.cse0 (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (or (and (= (_ bv0 32) |ULTIMATE.start_isnan_float_#res|) .cse0) (and (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (not .cse0)))) (= currentRoundingMode roundNearestTiesToEven)) [2020-11-29 20:36:41,703 INFO L270 CegarLoopResult]: At program point L15-1(line 15) the Hoare annotation is: (let ((.cse2 (not |ULTIMATE.start_main_#t~short53|))) (and (let ((.cse0 (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0))) (or (and (= (_ bv0 32) |ULTIMATE.start_isnan_float_#res|) .cse0) (and (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (not .cse0)))) (= currentRoundingMode roundNearestTiesToEven) (let ((.cse1 (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (or (and .cse1 .cse2) (and |ULTIMATE.start_main_#t~short53| (not .cse1)))) (or (forall ((ULTIMATE.start___ieee754_atan2f_~x (_ FloatingPoint 8 24))) (not (let ((.cse3 (fp.add currentRoundingMode ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start_main_~y~0))) (fp.eq .cse3 .cse3)))) .cse2))) [2020-11-29 20:36:41,703 INFO L270 CegarLoopResult]: At program point L15-2(line 15) the Hoare annotation is: (let ((.cse0 (= currentRoundingMode roundNearestTiesToEven)) (.cse1 (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|))) (or (and (not (fp.eq |ULTIMATE.start___ieee754_atan2f_#res| |ULTIMATE.start___ieee754_atan2f_#res|)) .cse0 .cse1 (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0))) (and .cse0 (exists ((ULTIMATE.start___ieee754_atan2f_~x (_ FloatingPoint 8 24)) (ULTIMATE.start___ieee754_atan2f_~y (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~y) |ULTIMATE.start___ieee754_atan2f_#res|) (not (fp.eq ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~x)))) (not (fp.eq ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~x)) .cse1 (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))))) [2020-11-29 20:36:41,703 INFO L274 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-11-29 20:36:41,703 INFO L274 CegarLoopResult]: For program point L82(lines 82 98) no Hoare annotation was computed. [2020-11-29 20:36:41,703 INFO L274 CegarLoopResult]: For program point L82-1(lines 82 98) no Hoare annotation was computed. [2020-11-29 20:36:41,703 INFO L274 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-11-29 20:36:41,703 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-29 20:36:41,703 INFO L274 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-11-29 20:36:41,704 INFO L274 CegarLoopResult]: For program point L116-2(line 116) no Hoare annotation was computed. [2020-11-29 20:36:41,704 INFO L270 CegarLoopResult]: At program point L116-3(lines 56 118) the Hoare annotation is: false [2020-11-29 20:36:41,704 INFO L274 CegarLoopResult]: For program point L83-3(lines 83 89) no Hoare annotation was computed. [2020-11-29 20:36:41,704 INFO L274 CegarLoopResult]: For program point L116-4(line 116) no Hoare annotation was computed. [2020-11-29 20:36:41,704 INFO L274 CegarLoopResult]: For program point L116-6(line 116) no Hoare annotation was computed. [2020-11-29 20:36:41,704 INFO L270 CegarLoopResult]: At program point L116-7(lines 56 118) the Hoare annotation is: false [2020-11-29 20:36:41,704 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-11-29 20:36:41,704 INFO L274 CegarLoopResult]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2020-11-29 20:36:41,704 INFO L270 CegarLoopResult]: At program point L19-2(lines 19 23) the Hoare annotation is: false [2020-11-29 20:36:41,704 INFO L274 CegarLoopResult]: For program point L19-5(lines 19 23) no Hoare annotation was computed. [2020-11-29 20:36:41,704 INFO L270 CegarLoopResult]: At program point L19-6(lines 19 23) the Hoare annotation is: false [2020-11-29 20:36:41,704 INFO L274 CegarLoopResult]: For program point L19-9(lines 19 23) no Hoare annotation was computed. [2020-11-29 20:36:41,705 INFO L270 CegarLoopResult]: At program point L19-10(lines 19 23) the Hoare annotation is: false [2020-11-29 20:36:41,705 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 20:36:41,705 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-29 20:36:41,705 INFO L274 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-11-29 20:36:41,705 INFO L274 CegarLoopResult]: For program point L187-2(line 187) no Hoare annotation was computed. [2020-11-29 20:36:41,705 INFO L270 CegarLoopResult]: At program point L123(lines 123 218) the Hoare annotation is: (let ((.cse0 (= currentRoundingMode roundNearestTiesToEven)) (.cse1 (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|))) (or (and (not (fp.eq |ULTIMATE.start___ieee754_atan2f_#res| |ULTIMATE.start___ieee754_atan2f_#res|)) .cse0 .cse1 (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0))) (and .cse0 (exists ((ULTIMATE.start___ieee754_atan2f_~x (_ FloatingPoint 8 24)) (ULTIMATE.start___ieee754_atan2f_~y (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~y) |ULTIMATE.start___ieee754_atan2f_#res|) (not (fp.eq ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~x)))) (not (fp.eq ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~x)) .cse1 (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))))) [2020-11-29 20:36:41,705 INFO L274 CegarLoopResult]: For program point L24(lines 24 28) no Hoare annotation was computed. [2020-11-29 20:36:41,705 INFO L274 CegarLoopResult]: For program point L24-1(lines 17 30) no Hoare annotation was computed. [2020-11-29 20:36:41,705 INFO L274 CegarLoopResult]: For program point L24-2(lines 24 28) no Hoare annotation was computed. [2020-11-29 20:36:41,706 INFO L274 CegarLoopResult]: For program point L24-3(lines 24 28) no Hoare annotation was computed. [2020-11-29 20:36:41,706 INFO L274 CegarLoopResult]: For program point L24-4(lines 17 30) no Hoare annotation was computed. [2020-11-29 20:36:41,706 INFO L274 CegarLoopResult]: For program point L24-5(lines 24 28) no Hoare annotation was computed. [2020-11-29 20:36:41,706 INFO L274 CegarLoopResult]: For program point L24-6(lines 24 28) no Hoare annotation was computed. [2020-11-29 20:36:41,706 INFO L274 CegarLoopResult]: For program point L24-7(lines 17 30) no Hoare annotation was computed. [2020-11-29 20:36:41,706 INFO L274 CegarLoopResult]: For program point L24-8(lines 24 28) no Hoare annotation was computed. [2020-11-29 20:36:41,706 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 20:36:41,706 INFO L274 CegarLoopResult]: For program point L190(lines 190 195) no Hoare annotation was computed. [2020-11-29 20:36:41,706 INFO L274 CegarLoopResult]: For program point L91(lines 91 97) no Hoare annotation was computed. [2020-11-29 20:36:41,706 INFO L274 CegarLoopResult]: For program point L91-2(lines 74 99) no Hoare annotation was computed. [2020-11-29 20:36:41,706 INFO L274 CegarLoopResult]: For program point L91-3(lines 91 97) no Hoare annotation was computed. [2020-11-29 20:36:41,707 INFO L274 CegarLoopResult]: For program point L91-5(lines 74 99) no Hoare annotation was computed. [2020-11-29 20:36:41,707 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-29 20:36:41,707 INFO L274 CegarLoopResult]: For program point L158-2(line 158) no Hoare annotation was computed. [2020-11-29 20:36:41,707 INFO L274 CegarLoopResult]: For program point L192(lines 192 195) no Hoare annotation was computed. [2020-11-29 20:36:41,707 INFO L274 CegarLoopResult]: For program point L192-2(lines 190 195) no Hoare annotation was computed. [2020-11-29 20:36:41,707 INFO L274 CegarLoopResult]: For program point L60-1(lines 60 64) no Hoare annotation was computed. [2020-11-29 20:36:41,707 INFO L270 CegarLoopResult]: At program point L60-2(lines 60 64) the Hoare annotation is: false [2020-11-29 20:36:41,707 INFO L274 CegarLoopResult]: For program point L60-3(lines 60 64) no Hoare annotation was computed. [2020-11-29 20:36:41,707 INFO L274 CegarLoopResult]: For program point L60-5(lines 60 64) no Hoare annotation was computed. [2020-11-29 20:36:41,707 INFO L270 CegarLoopResult]: At program point L60-6(lines 60 64) the Hoare annotation is: false [2020-11-29 20:36:41,708 INFO L274 CegarLoopResult]: For program point L60-7(lines 60 64) no Hoare annotation was computed. [2020-11-29 20:36:41,708 INFO L274 CegarLoopResult]: For program point L160(lines 160 184) no Hoare annotation was computed. [2020-11-29 20:36:41,708 INFO L274 CegarLoopResult]: For program point L160-1(lines 123 218) no Hoare annotation was computed. [2020-11-29 20:36:41,708 INFO L274 CegarLoopResult]: For program point L127-1(lines 127 131) no Hoare annotation was computed. [2020-11-29 20:36:41,708 INFO L270 CegarLoopResult]: At program point L127-2(lines 127 131) the Hoare annotation is: (let ((.cse0 (= currentRoundingMode roundNearestTiesToEven)) (.cse1 (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|))) (or (and .cse0 (not (fp.eq ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~x)) .cse1 (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (and .cse0 .cse1 (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0))))) [2020-11-29 20:36:41,708 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 20:36:41,709 INFO L274 CegarLoopResult]: For program point L127-3(lines 127 131) no Hoare annotation was computed. [2020-11-29 20:36:41,709 INFO L274 CegarLoopResult]: For program point L161(lines 161 183) no Hoare annotation was computed. [2020-11-29 20:36:41,709 INFO L270 CegarLoopResult]: At program point L29(lines 17 30) the Hoare annotation is: false [2020-11-29 20:36:41,709 INFO L270 CegarLoopResult]: At program point L29-1(lines 17 30) the Hoare annotation is: false [2020-11-29 20:36:41,709 INFO L270 CegarLoopResult]: At program point L29-2(lines 17 30) the Hoare annotation is: false [2020-11-29 20:36:41,709 INFO L274 CegarLoopResult]: For program point L162(lines 162 171) no Hoare annotation was computed. [2020-11-29 20:36:41,709 INFO L274 CegarLoopResult]: For program point L229(line 229) no Hoare annotation was computed. [2020-11-29 20:36:41,710 INFO L274 CegarLoopResult]: For program point L196(lines 196 217) no Hoare annotation was computed. [2020-11-29 20:36:41,710 INFO L274 CegarLoopResult]: For program point L229-2(lines 229 239) no Hoare annotation was computed. [2020-11-29 20:36:41,710 INFO L274 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-11-29 20:36:41,710 INFO L274 CegarLoopResult]: For program point L229-4(lines 229 239) no Hoare annotation was computed. [2020-11-29 20:36:41,710 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-29 20:36:41,710 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 20:36:41,711 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 20:36:41,711 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-11-29 20:36:41,711 INFO L274 CegarLoopResult]: For program point L66(lines 66 73) no Hoare annotation was computed. [2020-11-29 20:36:41,711 INFO L274 CegarLoopResult]: For program point L66-1(lines 66 73) no Hoare annotation was computed. [2020-11-29 20:36:41,711 INFO L274 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-11-29 20:36:41,711 INFO L274 CegarLoopResult]: For program point L133-1(lines 133 137) no Hoare annotation was computed. [2020-11-29 20:36:41,712 INFO L270 CegarLoopResult]: At program point L133-2(lines 133 137) the Hoare annotation is: (let ((.cse0 (= currentRoundingMode roundNearestTiesToEven)) (.cse1 (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|))) (or (and .cse0 .cse1 (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0))) (and (not (let ((.cse2 (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)))) (fp.eq .cse2 .cse2))) .cse0 (not (fp.eq ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~x)) .cse1 (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (not (let ((.cse3 (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)))) (fp.eq .cse3 .cse3))) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1) ULTIMATE.start___ieee754_atan2f_~ix~2))) (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))))) [2020-11-29 20:36:41,712 INFO L274 CegarLoopResult]: For program point L67(lines 67 68) no Hoare annotation was computed. [2020-11-29 20:36:41,712 INFO L274 CegarLoopResult]: For program point L133-3(lines 133 137) no Hoare annotation was computed. [2020-11-29 20:36:41,712 INFO L274 CegarLoopResult]: For program point L67-1(lines 67 68) no Hoare annotation was computed. [2020-11-29 20:36:41,712 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-29 20:36:41,725 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,727 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,729 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,729 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,730 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,731 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,731 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,731 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-29 20:36:41,731 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-11-29 20:36:41,731 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-29 20:36:41,731 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-29 20:36:41,731 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,732 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,733 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,733 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,733 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,733 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-29 20:36:41,733 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-11-29 20:36:41,733 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-29 20:36:41,733 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-29 20:36:41,733 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,734 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,735 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,735 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,735 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,735 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,736 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,736 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,736 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,736 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,737 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,737 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,737 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,737 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-29 20:36:41,737 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-11-29 20:36:41,737 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-29 20:36:41,737 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-29 20:36:41,738 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,738 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,739 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,739 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,739 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,739 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-29 20:36:41,739 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-11-29 20:36:41,739 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-29 20:36:41,739 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-29 20:36:41,740 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,740 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,741 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,741 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,742 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 20:36:41,742 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 20:36:41,742 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 20:36:41,742 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 20:36:41,742 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 20:36:41,742 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 20:36:41,742 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 20:36:41,742 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,743 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,744 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,744 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,744 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 20:36:41,744 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 20:36:41,744 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 20:36:41,744 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 20:36:41,744 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 20:36:41,760 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 20:36:41,761 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 20:36:41,761 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,762 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,763 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,764 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-29 20:36:41,764 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-29 20:36:41,765 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,765 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,765 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,766 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,767 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-29 20:36:41,767 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-29 20:36:41,767 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,767 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,768 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 08:36:41 BoogieIcfgContainer [2020-11-29 20:36:41,770 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 20:36:41,770 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:36:41,771 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:36:41,771 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:36:41,771 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:33:11" (3/4) ... [2020-11-29 20:36:41,775 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 20:36:41,805 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2020-11-29 20:36:41,806 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-11-29 20:36:41,807 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 20:36:41,808 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 20:36:41,842 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == \result && ~fp.eq~FLOAT(x, x)) || (1bv32 == \result && !~fp.eq~FLOAT(x, x))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2020-11-29 20:36:41,843 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == \result && ~fp.eq~FLOAT(y, y)) || (1bv32 == \result && !~fp.eq~FLOAT(y, y))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ((~fp.eq~FLOAT(x, x) && !aux-isnan_float(x) || isnan_float(y)-aux) || (aux-isnan_float(x) || isnan_float(y)-aux && !~fp.eq~FLOAT(x, x)))) && ((forall ULTIMATE.start___ieee754_atan2f_~x : C_FLOAT :: !~fp.eq~FLOAT(~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ULTIMATE.start___ieee754_atan2f_~x, y), ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ULTIMATE.start___ieee754_atan2f_~x, y))) || !aux-isnan_float(x) || isnan_float(y)-aux) [2020-11-29 20:36:41,844 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && !~fp.eq~FLOAT(x, x)) && 1bv32 == \result) && !~fp.eq~FLOAT(x, x)) || (((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && !~fp.eq~FLOAT(y, y)) [2020-11-29 20:36:41,844 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && !~fp.eq~FLOAT(y, y)) || (((((!~fp.eq~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0])) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && !~fp.eq~FLOAT(x, x)) && 1bv32 == \result) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: !~fp.eq~FLOAT(~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]), ~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])) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix)) && !~fp.eq~FLOAT(x, x)) [2020-11-29 20:36:41,845 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!~fp.eq~FLOAT(\result, \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && !~fp.eq~FLOAT(y, y)) || ((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists ULTIMATE.start___ieee754_atan2f_~x : C_FLOAT, ULTIMATE.start___ieee754_atan2f_~y : C_FLOAT :: ~fp.add~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2f_~x, ULTIMATE.start___ieee754_atan2f_~y) == \result && !~fp.eq~FLOAT(ULTIMATE.start___ieee754_atan2f_~x, ULTIMATE.start___ieee754_atan2f_~x))) && !~fp.eq~FLOAT(x, x)) && 1bv32 == \result) && !~fp.eq~FLOAT(x, x)) [2020-11-29 20:36:41,846 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!~fp.eq~FLOAT(\result, \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && !~fp.eq~FLOAT(y, y)) || ((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists ULTIMATE.start___ieee754_atan2f_~x : C_FLOAT, ULTIMATE.start___ieee754_atan2f_~y : C_FLOAT :: ~fp.add~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2f_~x, ULTIMATE.start___ieee754_atan2f_~y) == \result && !~fp.eq~FLOAT(ULTIMATE.start___ieee754_atan2f_~x, ULTIMATE.start___ieee754_atan2f_~x))) && !~fp.eq~FLOAT(x, x)) && 1bv32 == \result) && !~fp.eq~FLOAT(x, x)) [2020-11-29 20:36:41,933 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_67c6d12a-672d-4fbf-9fff-d276534c2c8d/bin/uautomizer/witness.graphml [2020-11-29 20:36:41,933 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:36:41,934 INFO L168 Benchmark]: Toolchain (without parser) took 233811.07 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 36.8 MB in the beginning and 45.5 MB in the end (delta: -8.7 MB). Peak memory consumption was 30.4 MB. Max. memory is 16.1 GB. [2020-11-29 20:36:41,935 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 58.7 MB. Free memory was 40.4 MB in the beginning and 40.4 MB in the end (delta: 25.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:36:41,935 INFO L168 Benchmark]: CACSL2BoogieTranslator took 572.28 ms. Allocated memory is still 58.7 MB. Free memory was 36.6 MB in the beginning and 37.4 MB in the end (delta: -822.0 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 20:36:41,936 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.49 ms. Allocated memory is still 58.7 MB. Free memory was 37.2 MB in the beginning and 33.6 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 20:36:41,936 INFO L168 Benchmark]: Boogie Preprocessor took 93.98 ms. Allocated memory is still 58.7 MB. Free memory was 33.6 MB in the beginning and 30.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:36:41,936 INFO L168 Benchmark]: RCFGBuilder took 23076.88 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 30.1 MB in the beginning and 42.1 MB in the end (delta: -12.1 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. [2020-11-29 20:36:41,937 INFO L168 Benchmark]: TraceAbstraction took 209809.74 ms. Allocated memory is still 71.3 MB. Free memory was 41.8 MB in the beginning and 25.1 MB in the end (delta: 16.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 16.1 GB. [2020-11-29 20:36:41,937 INFO L168 Benchmark]: Witness Printer took 162.71 ms. Allocated memory is still 71.3 MB. Free memory was 25.1 MB in the beginning and 45.5 MB in the end (delta: -20.4 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. [2020-11-29 20:36:41,940 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 58.7 MB. Free memory was 40.4 MB in the beginning and 40.4 MB in the end (delta: 25.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 572.28 ms. Allocated memory is still 58.7 MB. Free memory was 36.6 MB in the beginning and 37.4 MB in the end (delta: -822.0 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 86.49 ms. Allocated memory is still 58.7 MB. Free memory was 37.2 MB in the beginning and 33.6 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 93.98 ms. Allocated memory is still 58.7 MB. Free memory was 33.6 MB in the beginning and 30.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 23076.88 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 30.1 MB in the beginning and 42.1 MB in the end (delta: -12.1 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 209809.74 ms. Allocated memory is still 71.3 MB. Free memory was 41.8 MB in the beginning and 25.1 MB in the end (delta: 16.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 16.1 GB. * Witness Printer took 162.71 ms. Allocated memory is still 71.3 MB. Free memory was 25.1 MB in the beginning and 45.5 MB in the end (delta: -20.4 MB). Peak memory consumption was 6.9 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 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_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,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 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_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,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 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_~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 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_~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_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,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_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] * 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 * 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: 15]: Loop Invariant [2020-11-29 20:36:41,954 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,954 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,955 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,955 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((0bv32 == \result && ~fp.eq~FLOAT(x, x)) || (1bv32 == \result && !~fp.eq~FLOAT(x, x))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant [2020-11-29 20:36:41,956 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,956 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,956 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,956 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-29 20:36:41,956 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-11-29 20:36:41,957 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-29 20:36:41,957 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-29 20:36:41,957 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,957 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,958 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,958 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,958 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,958 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-29 20:36:41,959 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-11-29 20:36:41,959 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-29 20:36:41,959 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-29 20:36:41,959 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,959 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((!~fp.eq~FLOAT(\result, \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && !~fp.eq~FLOAT(y, y)) || ((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists ULTIMATE.start___ieee754_atan2f_~x : C_FLOAT, ULTIMATE.start___ieee754_atan2f_~y : C_FLOAT :: ~fp.add~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2f_~x, ULTIMATE.start___ieee754_atan2f_~y) == \result && !~fp.eq~FLOAT(ULTIMATE.start___ieee754_atan2f_~x, ULTIMATE.start___ieee754_atan2f_~x))) && !~fp.eq~FLOAT(x, x)) && 1bv32 == \result) && !~fp.eq~FLOAT(x, x)) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant [2020-11-29 20:36:41,961 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,961 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,962 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,962 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,963 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && !~fp.eq~FLOAT(x, x)) && 1bv32 == \result) && !~fp.eq~FLOAT(x, x)) || (((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && !~fp.eq~FLOAT(y, y)) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 15]: Loop Invariant [2020-11-29 20:36:41,963 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,964 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-29 20:36:41,964 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-11-29 20:36:41,964 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-29 20:36:41,964 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-29 20:36:41,965 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,965 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,965 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,965 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,966 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,966 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-29 20:36:41,966 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-11-29 20:36:41,966 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-29 20:36:41,966 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-29 20:36:41,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((!~fp.eq~FLOAT(\result, \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && !~fp.eq~FLOAT(y, y)) || ((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists ULTIMATE.start___ieee754_atan2f_~x : C_FLOAT, ULTIMATE.start___ieee754_atan2f_~y : C_FLOAT :: ~fp.add~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2f_~x, ULTIMATE.start___ieee754_atan2f_~y) == \result && !~fp.eq~FLOAT(ULTIMATE.start___ieee754_atan2f_~x, ULTIMATE.start___ieee754_atan2f_~x))) && !~fp.eq~FLOAT(x, x)) && 1bv32 == \result) && !~fp.eq~FLOAT(x, x)) - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant [2020-11-29 20:36:41,968 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,968 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,968 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 20:36:41,968 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 20:36:41,968 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 20:36:41,969 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 20:36:41,969 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 20:36:41,969 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 20:36:41,969 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 20:36:41,969 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,969 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,970 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,970 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,970 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 20:36:41,971 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 20:36:41,971 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 20:36:41,971 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 20:36:41,971 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 20:36:41,971 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 20:36:41,971 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 20:36:41,972 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,972 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && !~fp.eq~FLOAT(y, y)) || (((((!~fp.eq~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0])) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && !~fp.eq~FLOAT(x, x)) && 1bv32 == \result) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: !~fp.eq~FLOAT(~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]), ~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])) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix)) && !~fp.eq~FLOAT(x, x)) - InvariantResult [Line: 15]: Loop Invariant [2020-11-29 20:36:41,972 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,973 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-29 20:36:41,973 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-29 20:36:41,973 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,973 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,973 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,974 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 20:36:41,974 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-29 20:36:41,974 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-29 20:36:41,974 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,975 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 20:36:41,975 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((0bv32 == \result && ~fp.eq~FLOAT(y, y)) || (1bv32 == \result && !~fp.eq~FLOAT(y, y))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ((~fp.eq~FLOAT(x, x) && !aux-isnan_float(x) || isnan_float(y)-aux) || (aux-isnan_float(x) || isnan_float(y)-aux && !~fp.eq~FLOAT(x, x)))) && ((forall ULTIMATE.start___ieee754_atan2f_~x : C_FLOAT :: !~fp.eq~FLOAT(~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ULTIMATE.start___ieee754_atan2f_~x, y), ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ULTIMATE.start___ieee754_atan2f_~x, y))) || !aux-isnan_float(x) || isnan_float(y)-aux) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 116 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 207.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 188.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 666 SDtfs, 2508 SDslu, 3609 SDs, 0 SdLazy, 1063 SolverSat, 47 SolverUnsat, 18 SolverUnknown, 0 SolverNotchecked, 176.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 192 GetRequests, 118 SyntacticMatches, 4 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 3 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 16.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 229 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 18 PreInvPairs, 27 NumberOfFragments, 274 HoareAnnotationTreeSize, 18 FomulaSimplifications, 46 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 18 FomulaSimplificationsInter, 7 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 5.4s SatisfiabilityAnalysisTime, 11.2s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 170 ConstructedInterpolants, 33 QuantifiedInterpolants, 19286 SizeOfPredicates, 54 NumberOfNonLiveVariables, 634 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...