./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1270b.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_f3c7b7dd-0835-444f-88ab-3b386d43c3c1/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f3c7b7dd-0835-444f-88ab-3b386d43c3c1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f3c7b7dd-0835-444f-88ab-3b386d43c3c1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f3c7b7dd-0835-444f-88ab-3b386d43c3c1/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1270b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f3c7b7dd-0835-444f-88ab-3b386d43c3c1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f3c7b7dd-0835-444f-88ab-3b386d43c3c1/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 1be2e0059434f43d52e1ae9f2dc83366ce73edd3 ........................................................................................................................................................................................................................................................................................................................ 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_f3c7b7dd-0835-444f-88ab-3b386d43c3c1/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f3c7b7dd-0835-444f-88ab-3b386d43c3c1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f3c7b7dd-0835-444f-88ab-3b386d43c3c1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f3c7b7dd-0835-444f-88ab-3b386d43c3c1/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1270b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f3c7b7dd-0835-444f-88ab-3b386d43c3c1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f3c7b7dd-0835-444f-88ab-3b386d43c3c1/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 1be2e0059434f43d52e1ae9f2dc83366ce73edd3 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:33:39,287 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:33:39,289 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:33:39,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:33:39,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:33:39,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:33:39,364 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:33:39,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:33:39,369 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:33:39,371 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:33:39,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:33:39,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:33:39,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:33:39,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:33:39,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:33:39,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:33:39,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:33:39,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:33:39,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:33:39,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:33:39,389 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:33:39,391 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:33:39,392 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:33:39,393 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:33:39,397 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:33:39,398 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:33:39,398 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:33:39,400 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:33:39,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:33:39,402 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:33:39,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:33:39,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:33:39,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:33:39,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:33:39,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:33:39,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:33:39,408 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:33:39,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:33:39,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:33:39,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:33:39,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:33:39,411 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f3c7b7dd-0835-444f-88ab-3b386d43c3c1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 19:33:39,450 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:33:39,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:33:39,455 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:33:39,455 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:33:39,455 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:33:39,456 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:33:39,456 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:33:39,456 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:33:39,456 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:33:39,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:33:39,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:33:39,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:33:39,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:33:39,458 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:33:39,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:33:39,459 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:33:39,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:33:39,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:33:39,460 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:33:39,460 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:33:39,460 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:33:39,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:33:39,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:33:39,461 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:33:39,461 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:33:39,461 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:33:39,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:33:39,462 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:33:39,462 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:33:39,462 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_f3c7b7dd-0835-444f-88ab-3b386d43c3c1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f3c7b7dd-0835-444f-88ab-3b386d43c3c1/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1be2e0059434f43d52e1ae9f2dc83366ce73edd3 [2020-11-29 19:33:39,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:33:39,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:33:39,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:33:39,840 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:33:39,842 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:33:39,843 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f3c7b7dd-0835-444f-88ab-3b386d43c3c1/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1270b.c [2020-11-29 19:33:39,923 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f3c7b7dd-0835-444f-88ab-3b386d43c3c1/bin/uautomizer/data/f0791c6d8/a0ffea2d692943b08d29a20131bcb0f4/FLAGf49bdc5cb [2020-11-29 19:33:40,435 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:33:40,436 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f3c7b7dd-0835-444f-88ab-3b386d43c3c1/sv-benchmarks/c/float-newlib/float_req_bl_1270b.c [2020-11-29 19:33:40,448 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f3c7b7dd-0835-444f-88ab-3b386d43c3c1/bin/uautomizer/data/f0791c6d8/a0ffea2d692943b08d29a20131bcb0f4/FLAGf49bdc5cb [2020-11-29 19:33:40,769 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f3c7b7dd-0835-444f-88ab-3b386d43c3c1/bin/uautomizer/data/f0791c6d8/a0ffea2d692943b08d29a20131bcb0f4 [2020-11-29 19:33:40,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:33:40,776 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:33:40,780 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:33:40,780 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:33:40,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:33:40,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:33:40" (1/1) ... [2020-11-29 19:33:40,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d188310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:33:40, skipping insertion in model container [2020-11-29 19:33:40,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:33:40" (1/1) ... [2020-11-29 19:33:40,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:33:40,839 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:33:41,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:33:41,128 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:33:41,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:33:41,213 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:33:41,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:33:41 WrapperNode [2020-11-29 19:33:41,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:33:41,218 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:33:41,218 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:33:41,219 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:33:41,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:33:41" (1/1) ... [2020-11-29 19:33:41,240 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:33:41" (1/1) ... [2020-11-29 19:33:41,281 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:33:41,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:33:41,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:33:41,282 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:33:41,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:33:41" (1/1) ... [2020-11-29 19:33:41,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:33:41" (1/1) ... [2020-11-29 19:33:41,304 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:33:41" (1/1) ... [2020-11-29 19:33:41,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:33:41" (1/1) ... [2020-11-29 19:33:41,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:33:41" (1/1) ... [2020-11-29 19:33:41,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:33:41" (1/1) ... [2020-11-29 19:33:41,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:33:41" (1/1) ... [2020-11-29 19:33:41,386 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:33:41,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:33:41,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:33:41,387 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:33:41,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:33:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f3c7b7dd-0835-444f-88ab-3b386d43c3c1/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:33:41,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:33:41,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:33:41,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-29 19:33:41,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 19:33:41,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-29 19:33:41,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:33:41,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:33:41,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 19:33:41,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 19:33:42,404 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:33:42,405 INFO L298 CfgBuilder]: Removed 54 assume(true) statements. [2020-11-29 19:33:42,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:33:42 BoogieIcfgContainer [2020-11-29 19:33:42,406 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:33:42,408 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:33:42,408 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:33:42,415 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:33:42,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:33:40" (1/3) ... [2020-11-29 19:33:42,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6075d308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:33:42, skipping insertion in model container [2020-11-29 19:33:42,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:33:41" (2/3) ... [2020-11-29 19:33:42,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6075d308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:33:42, skipping insertion in model container [2020-11-29 19:33:42,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:33:42" (3/3) ... [2020-11-29 19:33:42,419 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1270b.c [2020-11-29 19:33:42,433 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:33:42,437 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 19:33:42,449 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 19:33:42,488 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:33:42,488 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:33:42,488 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:33:42,488 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:33:42,488 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:33:42,488 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:33:42,488 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:33:42,489 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:33:42,507 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states. [2020-11-29 19:33:42,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 19:33:42,515 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:33:42,516 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:33:42,516 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:33:42,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:33:42,536 INFO L82 PathProgramCache]: Analyzing trace with hash 311741284, now seen corresponding path program 1 times [2020-11-29 19:33:42,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:33:42,549 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489506326] [2020-11-29 19:33:42,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:33:42,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:33:42,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:33:42,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489506326] [2020-11-29 19:33:42,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:33:42,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:33:42,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951830576] [2020-11-29 19:33:42,689 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 19:33:42,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:33:42,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 19:33:42,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 19:33:42,707 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 2 states. [2020-11-29 19:33:42,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:33:42,760 INFO L93 Difference]: Finished difference Result 213 states and 359 transitions. [2020-11-29 19:33:42,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 19:33:42,761 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-29 19:33:42,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:33:42,779 INFO L225 Difference]: With dead ends: 213 [2020-11-29 19:33:42,779 INFO L226 Difference]: Without dead ends: 104 [2020-11-29 19:33:42,785 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 19:33:42,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-11-29 19:33:42,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2020-11-29 19:33:42,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-11-29 19:33:42,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 136 transitions. [2020-11-29 19:33:42,837 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 136 transitions. Word has length 16 [2020-11-29 19:33:42,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:33:42,838 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 136 transitions. [2020-11-29 19:33:42,838 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 19:33:42,838 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 136 transitions. [2020-11-29 19:33:42,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 19:33:42,841 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:33:42,842 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 19:33:42,842 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 19:33:42,842 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:33:42,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:33:42,846 INFO L82 PathProgramCache]: Analyzing trace with hash 2055151297, now seen corresponding path program 1 times [2020-11-29 19:33:42,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:33:42,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283379279] [2020-11-29 19:33:42,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:33:43,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:33:43,005 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:33:43,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:33:43,099 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:33:43,145 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:33:43,145 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 19:33:43,147 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 19:33:43,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:33:43 BoogieIcfgContainer [2020-11-29 19:33:43,209 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:33:43,210 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:33:43,211 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:33:43,211 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:33:43,211 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:33:42" (3/4) ... [2020-11-29 19:33:43,239 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 19:33:43,239 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:33:43,241 INFO L168 Benchmark]: Toolchain (without parser) took 2464.41 ms. Allocated memory was 102.8 MB in the beginning and 130.0 MB in the end (delta: 27.3 MB). Free memory was 69.3 MB in the beginning and 105.8 MB in the end (delta: -36.4 MB). Peak memory consumption was 37.0 MB. Max. memory is 16.1 GB. [2020-11-29 19:33:43,242 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 102.8 MB. Free memory was 79.1 MB in the beginning and 79.0 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:33:43,243 INFO L168 Benchmark]: CACSL2BoogieTranslator took 434.64 ms. Allocated memory is still 102.8 MB. Free memory was 69.1 MB in the beginning and 76.0 MB in the end (delta: -6.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:33:43,245 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.75 ms. Allocated memory is still 102.8 MB. Free memory was 76.0 MB in the beginning and 73.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:33:43,246 INFO L168 Benchmark]: Boogie Preprocessor took 104.70 ms. Allocated memory is still 102.8 MB. Free memory was 73.3 MB in the beginning and 70.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:33:43,246 INFO L168 Benchmark]: RCFGBuilder took 1019.46 ms. Allocated memory is still 102.8 MB. Free memory was 70.3 MB in the beginning and 67.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. [2020-11-29 19:33:43,247 INFO L168 Benchmark]: TraceAbstraction took 801.48 ms. Allocated memory is still 102.8 MB. Free memory was 67.5 MB in the beginning and 38.1 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:33:43,248 INFO L168 Benchmark]: Witness Printer took 28.80 ms. Allocated memory was 102.8 MB in the beginning and 130.0 MB in the end (delta: 27.3 MB). Free memory was 38.1 MB in the beginning and 105.8 MB in the end (delta: -67.7 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. [2020-11-29 19:33:43,252 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 102.8 MB. Free memory was 79.1 MB in the beginning and 79.0 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 434.64 ms. Allocated memory is still 102.8 MB. Free memory was 69.1 MB in the beginning and 76.0 MB in the end (delta: -6.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.75 ms. Allocated memory is still 102.8 MB. Free memory was 76.0 MB in the beginning and 73.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 104.70 ms. Allocated memory is still 102.8 MB. Free memory was 73.3 MB in the beginning and 70.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1019.46 ms. Allocated memory is still 102.8 MB. Free memory was 70.3 MB in the beginning and 67.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 801.48 ms. Allocated memory is still 102.8 MB. Free memory was 67.5 MB in the beginning and 38.1 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * Witness Printer took 28.80 ms. Allocated memory was 102.8 MB in the beginning and 130.0 MB in the end (delta: 27.3 MB). Free memory was 38.1 MB in the beginning and 105.8 MB in the end (delta: -67.7 MB). Peak memory consumption was 8.8 MB. 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 someBinaryArithmeticFLOAToperation at line 120, overapproximation of bitwiseAnd at line 220. Possible FailurePath: [L14] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L231] float x = -1.0f / 0.0f; [L232] float y = __VERIFIER_nondet_float(); [L84] float a = x, b = y, t1, t2, y1, y2, w; [L85] __int32_t j, k, ha, hb; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L88] ieee_float_shape_type gf_u; [L89] gf_u.value = (x) [L90] EXPR gf_u.word [L90] (ha) = gf_u.word [L92] ha &= 0x7fffffffL VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L94] ieee_float_shape_type gf_u; [L95] gf_u.value = (y) [L96] EXPR gf_u.word [L96] (hb) = gf_u.word [L98] hb &= 0x7fffffffL VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L99] COND FALSE !(hb > ha) [L106] a = x [L107] b = y VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L110] ieee_float_shape_type sf_u; [L111] sf_u.word = (ha) [L112] EXPR sf_u.value [L112] (a) = sf_u.value [L115] ieee_float_shape_type sf_u; [L116] sf_u.word = (hb) [L117] EXPR sf_u.value [L117] (b) = sf_u.value [L119] COND TRUE (ha - hb) > 0xf000000L [L120] return a + b; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L234] float res = __ieee754_hypotf(x, y); [L214] __int32_t ix; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L216] ieee_float_shape_type gf_u; [L217] gf_u.value = (x) [L218] EXPR gf_u.word [L218] (ix) = gf_u.word [L220] ix &= 0x7fffffff [L221] return ((ix) == 0x7f800000L); VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L236] COND TRUE !isinf_float(res) [L3] __assert_fail("0", "float_req_bl_1270b.c", 3, "reach_error") VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 108 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 139 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=108occurred 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, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 225 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:33:45,684 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-11-29 19:33:45,805 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:33:45,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:33:45,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:33:45,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:33:45,814 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:33:45,815 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:33:45,816 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:33:45,816 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:33:45,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:33:45,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:33:45,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:33:45,820 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f3c7b7dd-0835-444f-88ab-3b386d43c3c1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-29 19:33:45,865 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:33:45,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:33:45,868 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:33:45,868 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:33:45,869 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:33:45,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:33:45,869 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:33:45,870 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:33:45,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:33:45,870 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:33:45,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:33:45,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:33:45,872 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 19:33:45,872 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 19:33:45,872 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:33:45,873 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:33:45,873 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:33:45,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:33:45,874 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:33:45,874 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:33:45,874 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:33:45,875 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:33:45,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:33:45,876 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:33:45,876 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:33:45,876 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:33:45,876 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 19:33:45,877 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 19:33:45,884 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:33:45,884 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:33:45,884 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 19:33:45,885 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_f3c7b7dd-0835-444f-88ab-3b386d43c3c1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f3c7b7dd-0835-444f-88ab-3b386d43c3c1/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1be2e0059434f43d52e1ae9f2dc83366ce73edd3 [2020-11-29 19:33:46,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:33:46,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:33:46,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:33:46,378 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:33:46,382 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:33:46,383 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f3c7b7dd-0835-444f-88ab-3b386d43c3c1/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1270b.c [2020-11-29 19:33:46,449 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f3c7b7dd-0835-444f-88ab-3b386d43c3c1/bin/uautomizer/data/ee71015bf/aa7f1f2ac73543bc90a00be52058d3a8/FLAGf17bc88ef [2020-11-29 19:33:46,986 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:33:46,992 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f3c7b7dd-0835-444f-88ab-3b386d43c3c1/sv-benchmarks/c/float-newlib/float_req_bl_1270b.c [2020-11-29 19:33:47,006 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f3c7b7dd-0835-444f-88ab-3b386d43c3c1/bin/uautomizer/data/ee71015bf/aa7f1f2ac73543bc90a00be52058d3a8/FLAGf17bc88ef [2020-11-29 19:33:47,366 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f3c7b7dd-0835-444f-88ab-3b386d43c3c1/bin/uautomizer/data/ee71015bf/aa7f1f2ac73543bc90a00be52058d3a8 [2020-11-29 19:33:47,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:33:47,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:33:47,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:33:47,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:33:47,380 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:33:47,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:33:47" (1/1) ... [2020-11-29 19:33:47,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e341115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:33:47, skipping insertion in model container [2020-11-29 19:33:47,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:33:47" (1/1) ... [2020-11-29 19:33:47,399 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:33:47,439 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:33:47,700 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:33:47,717 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:33:47,772 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:33:47,814 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:33:47,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:33:47 WrapperNode [2020-11-29 19:33:47,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:33:47,816 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:33:47,816 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:33:47,816 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:33:47,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:33:47" (1/1) ... [2020-11-29 19:33:47,874 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:33:47" (1/1) ... [2020-11-29 19:33:47,928 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:33:47,928 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:33:47,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:33:47,935 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:33:47,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:33:47" (1/1) ... [2020-11-29 19:33:47,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:33:47" (1/1) ... [2020-11-29 19:33:47,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:33:47" (1/1) ... [2020-11-29 19:33:47,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:33:47" (1/1) ... [2020-11-29 19:33:47,985 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:33:47" (1/1) ... [2020-11-29 19:33:47,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:33:47" (1/1) ... [2020-11-29 19:33:48,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:33:47" (1/1) ... [2020-11-29 19:33:48,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:33:48,019 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:33:48,019 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:33:48,019 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:33:48,020 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:33:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f3c7b7dd-0835-444f-88ab-3b386d43c3c1/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:33:48,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 19:33:48,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:33:48,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-11-29 19:33:48,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-29 19:33:48,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:33:48,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:33:48,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-11-29 19:33:48,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-29 19:33:48,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 19:33:55,039 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:33:55,039 INFO L298 CfgBuilder]: Removed 54 assume(true) statements. [2020-11-29 19:33:55,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:33:55 BoogieIcfgContainer [2020-11-29 19:33:55,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:33:55,047 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:33:55,047 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:33:55,050 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:33:55,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:33:47" (1/3) ... [2020-11-29 19:33:55,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556d9da5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:33:55, skipping insertion in model container [2020-11-29 19:33:55,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:33:47" (2/3) ... [2020-11-29 19:33:55,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556d9da5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:33:55, skipping insertion in model container [2020-11-29 19:33:55,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:33:55" (3/3) ... [2020-11-29 19:33:55,063 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1270b.c [2020-11-29 19:33:55,074 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:33:55,084 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 19:33:55,096 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 19:33:55,131 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:33:55,131 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:33:55,131 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:33:55,131 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:33:55,132 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:33:55,132 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:33:55,132 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:33:55,132 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:33:55,145 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states. [2020-11-29 19:33:55,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 19:33:55,150 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:33:55,151 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:33:55,152 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:33:55,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:33:55,157 INFO L82 PathProgramCache]: Analyzing trace with hash 311741284, now seen corresponding path program 1 times [2020-11-29 19:33:55,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:33:55,169 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1895566080] [2020-11-29 19:33:55,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f3c7b7dd-0835-444f-88ab-3b386d43c3c1/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-29 19:33:55,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:33:55,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-29 19:33:55,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:33:55,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:33:55,392 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:33:55,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:33:55,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1895566080] [2020-11-29 19:33:55,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:33:55,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-29 19:33:55,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581940782] [2020-11-29 19:33:55,404 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 19:33:55,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:33:55,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 19:33:55,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 19:33:55,419 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 2 states. [2020-11-29 19:33:55,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:33:55,451 INFO L93 Difference]: Finished difference Result 213 states and 359 transitions. [2020-11-29 19:33:55,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 19:33:55,452 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-29 19:33:55,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:33:55,462 INFO L225 Difference]: With dead ends: 213 [2020-11-29 19:33:55,462 INFO L226 Difference]: Without dead ends: 104 [2020-11-29 19:33:55,465 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 19:33:55,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-11-29 19:33:55,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2020-11-29 19:33:55,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-11-29 19:33:55,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 136 transitions. [2020-11-29 19:33:55,505 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 136 transitions. Word has length 16 [2020-11-29 19:33:55,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:33:55,506 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 136 transitions. [2020-11-29 19:33:55,506 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 19:33:55,506 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 136 transitions. [2020-11-29 19:33:55,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 19:33:55,507 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:33:55,507 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 19:33:55,722 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-29 19:33:55,722 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:33:55,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:33:55,723 INFO L82 PathProgramCache]: Analyzing trace with hash 2055151297, now seen corresponding path program 1 times [2020-11-29 19:33:55,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:33:55,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [899279389] [2020-11-29 19:33:55,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f3c7b7dd-0835-444f-88ab-3b386d43c3c1/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-29 19:33:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:33:55,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 23 conjunts are in the unsatisfiable core [2020-11-29 19:33:55,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:33:57,515 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:33:57,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:33:57,916 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:33:59,625 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-11-29 19:34:00,979 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-11-29 19:34:03,442 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-11-29 19:34:18,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:34:18,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [899279389] [2020-11-29 19:34:18,039 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:34:18,039 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13, 13] imperfect sequences [] total 25 [2020-11-29 19:34:18,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372840841] [2020-11-29 19:34:18,040 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-11-29 19:34:18,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:34:18,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-11-29 19:34:18,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=517, Unknown=3, NotChecked=0, Total=600 [2020-11-29 19:34:18,043 INFO L87 Difference]: Start difference. First operand 104 states and 136 transitions. Second operand 25 states. [2020-11-29 19:34:21,368 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-11-29 19:34:31,307 WARN L193 SmtUtils]: Spent 8.93 s on a formula simplification that was a NOOP. DAG size: 55 [2020-11-29 19:34:37,223 WARN L193 SmtUtils]: Spent 2.78 s on a formula simplification that was a NOOP. DAG size: 48 [2020-11-29 19:34:38,722 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-11-29 19:34:50,962 WARN L193 SmtUtils]: Spent 7.92 s on a formula simplification that was a NOOP. DAG size: 60 [2020-11-29 19:34:53,281 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-11-29 19:35:02,458 WARN L193 SmtUtils]: Spent 7.94 s on a formula simplification that was a NOOP. DAG size: 65 [2020-11-29 19:35:05,469 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 73 [2020-11-29 19:35:13,208 WARN L193 SmtUtils]: Spent 6.59 s on a formula simplification that was a NOOP. DAG size: 71 [2020-11-29 19:35:19,680 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-11-29 19:35:29,059 WARN L193 SmtUtils]: Spent 5.31 s on a formula simplification. DAG size of input: 65 DAG size of output: 55 [2020-11-29 19:35:33,416 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 78 [2020-11-29 19:35:49,201 WARN L193 SmtUtils]: Spent 14.01 s on a formula simplification that was a NOOP. DAG size: 102 [2020-11-29 19:35:58,440 WARN L193 SmtUtils]: Spent 4.93 s on a formula simplification that was a NOOP. DAG size: 59 [2020-11-29 19:36:11,454 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-11-29 19:36:13,830 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 81 [2020-11-29 19:36:29,350 WARN L193 SmtUtils]: Spent 13.59 s on a formula simplification that was a NOOP. DAG size: 105 [2020-11-29 19:37:11,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:37:11,915 INFO L93 Difference]: Finished difference Result 279 states and 344 transitions. [2020-11-29 19:37:11,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-11-29 19:37:11,933 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 21 [2020-11-29 19:37:11,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:37:11,935 INFO L225 Difference]: With dead ends: 279 [2020-11-29 19:37:11,935 INFO L226 Difference]: Without dead ends: 180 [2020-11-29 19:37:11,938 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 120.6s TimeCoverageRelationStatistics Valid=500, Invalid=1659, Unknown=3, NotChecked=0, Total=2162 [2020-11-29 19:37:11,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2020-11-29 19:37:11,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 112. [2020-11-29 19:37:11,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-11-29 19:37:11,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 143 transitions. [2020-11-29 19:37:11,974 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 143 transitions. Word has length 21 [2020-11-29 19:37:11,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:37:11,975 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 143 transitions. [2020-11-29 19:37:11,976 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-11-29 19:37:11,976 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 143 transitions. [2020-11-29 19:37:11,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 19:37:11,979 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:37:11,979 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, 1, 1] [2020-11-29 19:37:12,200 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-29 19:37:12,200 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:37:12,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:37:12,201 INFO L82 PathProgramCache]: Analyzing trace with hash -927908549, now seen corresponding path program 1 times [2020-11-29 19:37:12,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:37:12,202 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [572084843] [2020-11-29 19:37:12,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f3c7b7dd-0835-444f-88ab-3b386d43c3c1/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-29 19:37:12,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:37:12,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-29 19:37:12,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:37:12,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:37:12,594 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:37:12,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:37:12,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [572084843] [2020-11-29 19:37:12,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:37:12,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2020-11-29 19:37:12,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701078324] [2020-11-29 19:37:12,796 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-29 19:37:12,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:37:12,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-29 19:37:12,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-11-29 19:37:12,799 INFO L87 Difference]: Start difference. First operand 112 states and 143 transitions. Second operand 10 states. [2020-11-29 19:37:13,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:37:13,915 INFO L93 Difference]: Finished difference Result 276 states and 354 transitions. [2020-11-29 19:37:13,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 19:37:13,917 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 24 [2020-11-29 19:37:13,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:37:13,925 INFO L225 Difference]: With dead ends: 276 [2020-11-29 19:37:13,927 INFO L226 Difference]: Without dead ends: 195 [2020-11-29 19:37:13,929 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-11-29 19:37:13,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2020-11-29 19:37:13,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 104. [2020-11-29 19:37:13,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-11-29 19:37:13,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 132 transitions. [2020-11-29 19:37:13,959 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 132 transitions. Word has length 24 [2020-11-29 19:37:13,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:37:13,960 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 132 transitions. [2020-11-29 19:37:13,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-29 19:37:13,960 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 132 transitions. [2020-11-29 19:37:13,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 19:37:13,961 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:37:13,962 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, 1, 1, 1, 1] [2020-11-29 19:37:14,174 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-29 19:37:14,174 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:37:14,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:37:14,175 INFO L82 PathProgramCache]: Analyzing trace with hash -558668800, now seen corresponding path program 1 times [2020-11-29 19:37:14,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:37:14,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1158253994] [2020-11-29 19:37:14,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f3c7b7dd-0835-444f-88ab-3b386d43c3c1/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 19:37:14,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:37:14,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-29 19:37:14,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:37:14,649 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:37:14,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:37:14,722 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:37:15,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:37:15,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1158253994] [2020-11-29 19:37:15,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:37:15,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 9] imperfect sequences [] total 17 [2020-11-29 19:37:15,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018493997] [2020-11-29 19:37:15,086 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-11-29 19:37:15,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:37:15,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-11-29 19:37:15,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-11-29 19:37:15,088 INFO L87 Difference]: Start difference. First operand 104 states and 132 transitions. Second operand 17 states. [2020-11-29 19:37:16,932 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-11-29 19:37:20,015 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2020-11-29 19:37:20,219 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-11-29 19:37:22,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:37:22,512 INFO L93 Difference]: Finished difference Result 128 states and 154 transitions. [2020-11-29 19:37:22,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-11-29 19:37:22,524 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 26 [2020-11-29 19:37:22,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:37:22,526 INFO L225 Difference]: With dead ends: 128 [2020-11-29 19:37:22,526 INFO L226 Difference]: Without dead ends: 110 [2020-11-29 19:37:22,527 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=229, Invalid=641, Unknown=0, NotChecked=0, Total=870 [2020-11-29 19:37:22,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-11-29 19:37:22,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 102. [2020-11-29 19:37:22,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-11-29 19:37:22,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 127 transitions. [2020-11-29 19:37:22,541 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 127 transitions. Word has length 26 [2020-11-29 19:37:22,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:37:22,542 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 127 transitions. [2020-11-29 19:37:22,542 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-11-29 19:37:22,542 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 127 transitions. [2020-11-29 19:37:22,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 19:37:22,544 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:37:22,544 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, 1, 1, 1, 1] [2020-11-29 19:37:22,747 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-29 19:37:22,748 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:37:22,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:37:22,748 INFO L82 PathProgramCache]: Analyzing trace with hash 121389570, now seen corresponding path program 1 times [2020-11-29 19:37:22,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:37:22,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2145013788] [2020-11-29 19:37:22,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f3c7b7dd-0835-444f-88ab-3b386d43c3c1/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 19:37:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:37:23,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 20 conjunts are in the unsatisfiable core [2020-11-29 19:37:23,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:37:23,551 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:37:23,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:37:23,681 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:37:57,558 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_skolemized_v_prenex_1_5 (_ BitVec 32)) (v_skolemized_v_prenex_5_5 (_ BitVec 32))) (or (not (= (let ((.cse0 (bvand (_ bv2147483647 32) v_skolemized_v_prenex_1_5))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (fp ((_ extract 31 31) v_skolemized_v_prenex_5_5) ((_ extract 30 23) v_skolemized_v_prenex_5_5) ((_ extract 22 0) v_skolemized_v_prenex_5_5)))) (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_skolemized_v_prenex_5_5)) (not (= c_ULTIMATE.start___ieee754_hypotf_~x (fp ((_ extract 31 31) v_skolemized_v_prenex_1_5) ((_ extract 30 23) v_skolemized_v_prenex_1_5) ((_ extract 22 0) v_skolemized_v_prenex_1_5)))))) is different from false [2020-11-29 19:37:57,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:37:57,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2145013788] [2020-11-29 19:37:57,574 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:37:57,574 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 12] imperfect sequences [] total 22 [2020-11-29 19:37:57,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287667324] [2020-11-29 19:37:57,575 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-11-29 19:37:57,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:37:57,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-11-29 19:37:57,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=355, Unknown=16, NotChecked=38, Total=462 [2020-11-29 19:37:57,576 INFO L87 Difference]: Start difference. First operand 102 states and 127 transitions. Second operand 22 states. [2020-11-29 19:37:59,796 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-11-29 19:38:00,076 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-11-29 19:38:02,516 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-11-29 19:38:02,868 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-11-29 19:38:06,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:38:06,348 INFO L93 Difference]: Finished difference Result 110 states and 134 transitions. [2020-11-29 19:38:06,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-29 19:38:06,350 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 26 [2020-11-29 19:38:06,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:38:06,353 INFO L225 Difference]: With dead ends: 110 [2020-11-29 19:38:06,353 INFO L226 Difference]: Without dead ends: 92 [2020-11-29 19:38:06,354 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 36.5s TimeCoverageRelationStatistics Valid=206, Invalid=712, Unknown=16, NotChecked=58, Total=992 [2020-11-29 19:38:06,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-11-29 19:38:06,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2020-11-29 19:38:06,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-11-29 19:38:06,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 116 transitions. [2020-11-29 19:38:06,381 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 116 transitions. Word has length 26 [2020-11-29 19:38:06,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:38:06,381 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 116 transitions. [2020-11-29 19:38:06,381 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-11-29 19:38:06,381 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 116 transitions. [2020-11-29 19:38:06,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 19:38:06,383 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:38:06,383 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:38:06,583 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-29 19:38:06,584 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:38:06,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:38:06,584 INFO L82 PathProgramCache]: Analyzing trace with hash 1951072080, now seen corresponding path program 1 times [2020-11-29 19:38:06,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:38:06,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [514915311] [2020-11-29 19:38:06,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f3c7b7dd-0835-444f-88ab-3b386d43c3c1/bin/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-11-29 19:38:07,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:38:07,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 16 conjunts are in the unsatisfiable core [2020-11-29 19:38:07,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:38:08,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:38:08,292 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:38:10,219 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-11-29 19:38:11,635 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2020-11-29 19:38:13,285 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-11-29 19:38:15,328 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-11-29 19:38:17,603 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start___ieee754_hypotf_~hb~0 (_ BitVec 32))) (let ((.cse0 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_hypotf_~hb~0))) (or (bvsgt .cse0 (_ bv1484783616 32)) (not (let ((.cse1 (fp ((_ extract 31 31) c_ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) c_ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) c_ULTIMATE.start___ieee754_hypotf_~ha~0)))) (fp.gt (fp.sub c_currentRoundingMode (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) .cse1) .cse1)))))) is different from false [2020-11-29 19:38:19,853 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start___ieee754_hypotf_~hb~0 (_ BitVec 32))) (let ((.cse0 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_hypotf_~hb~0))) (or (bvsgt .cse0 (_ bv1484783616 32)) (not (let ((.cse1 (let ((.cse2 (bvand (_ bv2147483647 32) c_ULTIMATE.start___ieee754_hypotf_~ha~0))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.gt (fp.sub c_currentRoundingMode (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) .cse1) .cse1)))))) is different from false [2020-11-29 19:38:36,677 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 28 [2020-11-29 19:38:36,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:38:36,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [514915311] [2020-11-29 19:38:36,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:38:36,712 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 20 [2020-11-29 19:38:36,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157704865] [2020-11-29 19:38:36,712 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-11-29 19:38:36,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:38:36,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-11-29 19:38:36,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=244, Unknown=5, NotChecked=66, Total=380 [2020-11-29 19:38:36,719 INFO L87 Difference]: Start difference. First operand 92 states and 116 transitions. Second operand 20 states. [2020-11-29 19:38:41,282 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 26 [2020-11-29 19:38:44,990 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.div c_currentRoundingMode (fp.neg ((_ to_fp 8 24) c_currentRoundingMode 1.0)) (_ +zero 8 24)))) (and (= c_ULTIMATE.start___ieee754_hypotf_~x .cse0) (not (fp.gt (fp.sub c_currentRoundingMode c_ULTIMATE.start___ieee754_hypotf_~a~0 c_ULTIMATE.start___ieee754_hypotf_~b~0) c_ULTIMATE.start___ieee754_hypotf_~b~0)) (= (fp ((_ extract 31 31) c_ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) c_ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) c_ULTIMATE.start___ieee754_hypotf_~ha~0)) .cse0) (forall ((ULTIMATE.start___ieee754_hypotf_~hb~0 (_ BitVec 32))) (let ((.cse1 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_hypotf_~hb~0))) (or (bvsgt .cse1 (_ bv1484783616 32)) (not (let ((.cse2 (let ((.cse3 (bvand (_ bv2147483647 32) c_ULTIMATE.start___ieee754_hypotf_~ha~0))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))))) (fp.gt (fp.sub c_currentRoundingMode (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)) .cse2) .cse2)))))))) is different from false [2020-11-29 19:38:47,498 WARN L838 $PredicateComparison]: unable to prove that (and (= (fp ((_ extract 31 31) c_ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) c_ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) c_ULTIMATE.start___ieee754_hypotf_~ha~0)) (fp.div c_currentRoundingMode (fp.neg ((_ to_fp 8 24) c_currentRoundingMode 1.0)) (_ +zero 8 24))) (forall ((ULTIMATE.start___ieee754_hypotf_~hb~0 (_ BitVec 32))) (let ((.cse0 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_hypotf_~hb~0))) (or (bvsgt .cse0 (_ bv1484783616 32)) (not (let ((.cse1 (let ((.cse2 (bvand (_ bv2147483647 32) c_ULTIMATE.start___ieee754_hypotf_~ha~0))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.gt (fp.sub c_currentRoundingMode (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) .cse1) .cse1))))))) is different from false [2020-11-29 19:38:49,817 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_40 (_ BitVec 32))) (and (= (fp.div c_currentRoundingMode (fp.neg ((_ to_fp 8 24) c_currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~ha~0_40) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~ha~0_40) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~ha~0_40))) (= c_ULTIMATE.start___ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_40)))) (forall ((ULTIMATE.start___ieee754_hypotf_~hb~0 (_ BitVec 32))) (let ((.cse0 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_hypotf_~hb~0))) (or (bvsgt .cse0 (_ bv1484783616 32)) (not (let ((.cse1 (fp ((_ extract 31 31) c_ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) c_ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) c_ULTIMATE.start___ieee754_hypotf_~ha~0)))) (fp.gt (fp.sub c_currentRoundingMode (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) .cse1) .cse1))))))) is different from false [2020-11-29 19:38:51,459 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-11-29 19:39:05,728 WARN L193 SmtUtils]: Spent 5.46 s on a formula simplification that was a NOOP. DAG size: 31 [2020-11-29 19:39:20,571 WARN L193 SmtUtils]: Spent 5.73 s on a formula simplification that was a NOOP. DAG size: 32 [2020-11-29 19:39:21,416 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2020-11-29 19:39:22,648 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-11-29 19:39:45,577 WARN L193 SmtUtils]: Spent 10.33 s on a formula simplification that was a NOOP. DAG size: 33 [2020-11-29 19:39:58,101 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 27 [2020-11-29 19:40:32,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:40:32,858 INFO L93 Difference]: Finished difference Result 140 states and 176 transitions. [2020-11-29 19:40:32,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-11-29 19:40:32,870 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 34 [2020-11-29 19:40:32,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:40:32,871 INFO L225 Difference]: With dead ends: 140 [2020-11-29 19:40:32,871 INFO L226 Difference]: Without dead ends: 101 [2020-11-29 19:40:32,872 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 96.5s TimeCoverageRelationStatistics Valid=184, Invalid=584, Unknown=8, NotChecked=280, Total=1056 [2020-11-29 19:40:32,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-11-29 19:40:32,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 95. [2020-11-29 19:40:32,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-11-29 19:40:32,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 119 transitions. [2020-11-29 19:40:32,897 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 119 transitions. Word has length 34 [2020-11-29 19:40:32,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:40:32,897 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 119 transitions. [2020-11-29 19:40:32,897 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-11-29 19:40:32,898 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 119 transitions. [2020-11-29 19:40:32,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-29 19:40:32,902 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:40:32,902 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:40:33,102 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-29 19:40:33,103 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:40:33,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:40:33,103 INFO L82 PathProgramCache]: Analyzing trace with hash 13172387, now seen corresponding path program 1 times [2020-11-29 19:40:33,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:40:33,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [493195931] [2020-11-29 19:40:33,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f3c7b7dd-0835-444f-88ab-3b386d43c3c1/bin/uautomizer/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-11-29 19:40:33,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:40:33,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 19:40:33,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:40:34,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:40:34,207 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:40:34,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:40:34,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [493195931] [2020-11-29 19:40:34,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:40:34,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2020-11-29 19:40:34,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598482195] [2020-11-29 19:40:34,788 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-29 19:40:34,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:40:34,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-29 19:40:34,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-11-29 19:40:34,789 INFO L87 Difference]: Start difference. First operand 95 states and 119 transitions. Second operand 12 states. [2020-11-29 19:40:35,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:40:35,216 INFO L93 Difference]: Finished difference Result 95 states and 119 transitions. [2020-11-29 19:40:35,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 19:40:35,217 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 37 [2020-11-29 19:40:35,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:40:35,217 INFO L225 Difference]: With dead ends: 95 [2020-11-29 19:40:35,217 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 19:40:35,218 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2020-11-29 19:40:35,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 19:40:35,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 19:40:35,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 19:40:35,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 19:40:35,219 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2020-11-29 19:40:35,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:40:35,219 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:40:35,220 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-29 19:40:35,220 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 19:40:35,220 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 19:40:35,420 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-11-29 19:40:35,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 19:40:56,097 WARN L193 SmtUtils]: Spent 20.39 s on a formula simplification. DAG size of input: 94 DAG size of output: 37 [2020-11-29 19:41:20,917 WARN L193 SmtUtils]: Spent 24.82 s on a formula simplification. DAG size of input: 189 DAG size of output: 134 [2020-11-29 19:41:51,267 WARN L193 SmtUtils]: Spent 30.34 s on a formula simplification. DAG size of input: 225 DAG size of output: 194 [2020-11-29 19:41:53,892 WARN L193 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-11-29 19:42:22,821 WARN L193 SmtUtils]: Spent 28.93 s on a formula simplification. DAG size of input: 207 DAG size of output: 146 [2020-11-29 19:42:22,836 INFO L274 CegarLoopResult]: For program point L168(lines 168 172) no Hoare annotation was computed. [2020-11-29 19:42:22,836 INFO L274 CegarLoopResult]: For program point L168-1(lines 159 173) no Hoare annotation was computed. [2020-11-29 19:42:22,836 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 19:42:22,836 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-29 19:42:22,836 INFO L274 CegarLoopResult]: For program point L202-1(lines 202 206) no Hoare annotation was computed. [2020-11-29 19:42:22,836 INFO L270 CegarLoopResult]: At program point L202-2(lines 202 206) the Hoare annotation is: false [2020-11-29 19:42:22,836 INFO L274 CegarLoopResult]: For program point L136-1(lines 136 140) no Hoare annotation was computed. [2020-11-29 19:42:22,837 INFO L274 CegarLoopResult]: For program point L202-3(lines 202 206) no Hoare annotation was computed. [2020-11-29 19:42:22,837 INFO L270 CegarLoopResult]: At program point L136-2(lines 136 140) the Hoare annotation is: false [2020-11-29 19:42:22,837 INFO L274 CegarLoopResult]: For program point L37(lines 37 41) no Hoare annotation was computed. [2020-11-29 19:42:22,837 INFO L274 CegarLoopResult]: For program point L37-2(lines 37 41) no Hoare annotation was computed. [2020-11-29 19:42:22,837 INFO L274 CegarLoopResult]: For program point L37-3(lines 37 41) no Hoare annotation was computed. [2020-11-29 19:42:22,837 INFO L274 CegarLoopResult]: For program point L37-5(lines 37 41) no Hoare annotation was computed. [2020-11-29 19:42:22,837 INFO L274 CegarLoopResult]: For program point L236(lines 236 239) no Hoare annotation was computed. [2020-11-29 19:42:22,838 INFO L274 CegarLoopResult]: For program point L38-2(lines 38 39) no Hoare annotation was computed. [2020-11-29 19:42:22,838 INFO L270 CegarLoopResult]: At program point L38-3(lines 38 39) the Hoare annotation is: false [2020-11-29 19:42:22,838 INFO L274 CegarLoopResult]: For program point L38-4(lines 38 39) no Hoare annotation was computed. [2020-11-29 19:42:22,838 INFO L274 CegarLoopResult]: For program point L38-7(lines 38 39) no Hoare annotation was computed. [2020-11-29 19:42:22,838 INFO L270 CegarLoopResult]: At program point L38-8(lines 38 39) the Hoare annotation is: false [2020-11-29 19:42:22,838 INFO L274 CegarLoopResult]: For program point L38-9(lines 38 39) no Hoare annotation was computed. [2020-11-29 19:42:22,838 INFO L277 CegarLoopResult]: At program point L240(lines 224 241) the Hoare annotation is: true [2020-11-29 19:42:22,838 INFO L274 CegarLoopResult]: For program point L141(lines 141 145) no Hoare annotation was computed. [2020-11-29 19:42:22,839 INFO L274 CegarLoopResult]: For program point L141-1(lines 123 146) no Hoare annotation was computed. [2020-11-29 19:42:22,839 INFO L274 CegarLoopResult]: For program point L75-1(lines 75 79) no Hoare annotation was computed. [2020-11-29 19:42:22,839 INFO L270 CegarLoopResult]: At program point L75-2(lines 75 79) the Hoare annotation is: false [2020-11-29 19:42:22,839 INFO L274 CegarLoopResult]: For program point L75-3(lines 75 79) no Hoare annotation was computed. [2020-11-29 19:42:22,839 INFO L274 CegarLoopResult]: For program point L75-5(lines 75 79) no Hoare annotation was computed. [2020-11-29 19:42:22,839 INFO L270 CegarLoopResult]: At program point L75-6(lines 75 79) the Hoare annotation is: false [2020-11-29 19:42:22,839 INFO L274 CegarLoopResult]: For program point L75-7(lines 75 79) no Hoare annotation was computed. [2020-11-29 19:42:22,839 INFO L274 CegarLoopResult]: For program point L109(lines 109 113) no Hoare annotation was computed. [2020-11-29 19:42:22,840 INFO L274 CegarLoopResult]: For program point L109-1(lines 83 210) no Hoare annotation was computed. [2020-11-29 19:42:22,840 INFO L270 CegarLoopResult]: At program point L209(lines 83 210) the Hoare annotation is: (let ((.cse0 (let ((.cse5 (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_hypotf_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))))) (or (and (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (= ULTIMATE.start___ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30)))) .cse5) (and (not (bvslt ULTIMATE.start___ieee754_hypotf_~hb~0 (_ bv645922816 32))) .cse5))))) (or (and (or (not (= (_ bv0 32) (bvadd ULTIMATE.start___ieee754_hypotf_~hb~0 (_ bv2155872256 32)))) (forall ((v_ULTIMATE.start_isinf_float_~ix~1_17 (_ BitVec 32))) (or (not (= ULTIMATE.start___ieee754_hypotf_~b~0 (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_17)))) (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_17) (_ bv2155872256 32)) (_ bv0 32))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_35 (_ BitVec 32))) (= ULTIMATE.start___ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_35))) .cse0 (forall ((v_ULTIMATE.start_isinf_float_~ix~1_17 (_ BitVec 32))) (or (not (= |ULTIMATE.start___ieee754_hypotf_#res| (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_17)))) (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_17) (_ bv2155872256 32)) (_ bv0 32)))) (forall ((v_ULTIMATE.start_isinf_float_~ix~1_17 (_ BitVec 32))) (or (not (= ULTIMATE.start___ieee754_hypotf_~w~0 (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_17)))) (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_17) (_ bv2155872256 32)) (_ bv0 32))))) (let ((.cse1 (not (bvsgt (bvadd ULTIMATE.start___ieee754_hypotf_~ha~0 (bvneg ULTIMATE.start___ieee754_hypotf_~hb~0)) (_ bv251658240 32))))) (and (= ULTIMATE.start___ieee754_hypotf_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (or (forall ((v_ULTIMATE.start_isinf_float_~ix~1_10 (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_10) (_ bv2139095040 32)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_10)) (fp.add currentRoundingMode (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~hb~0))))))) .cse1) (= currentRoundingMode roundNearestTiesToEven) (or (forall ((v_ULTIMATE.start_isinf_float_~ix~1_10 (_ BitVec 32))) (or (not (= (fp.add currentRoundingMode ULTIMATE.start___ieee754_hypotf_~a~0 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~hb~0))) (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_10)))) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_10) (_ bv2139095040 32)))) .cse1) (forall ((v_ULTIMATE.start_isinf_float_~ix~1_10 (_ BitVec 32))) (or (not (= |ULTIMATE.start___ieee754_hypotf_#res| (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_10)))) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_10) (_ bv2139095040 32)))) (or (forall ((v_ULTIMATE.start_isinf_float_~ix~1_10 (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_10) (_ bv2139095040 32)) (not (= (fp.add currentRoundingMode ULTIMATE.start___ieee754_hypotf_~a~0 ULTIMATE.start___ieee754_hypotf_~b~0) (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_10)))))) .cse1))) (and (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_36 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (= ULTIMATE.start___ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36)))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_36 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (= (let ((.cse2 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))) ULTIMATE.start___ieee754_hypotf_~w~0))) .cse0 (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_36 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (= (let ((.cse3 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))) |ULTIMATE.start___ieee754_hypotf_#res|))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_36 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (= (let ((.cse4 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4))) ULTIMATE.start___ieee754_hypotf_~a~0)))))) [2020-11-29 19:42:22,841 INFO L274 CegarLoopResult]: For program point L44(lines 44 45) no Hoare annotation was computed. [2020-11-29 19:42:22,841 INFO L274 CegarLoopResult]: For program point L44-2(lines 44 45) no Hoare annotation was computed. [2020-11-29 19:42:22,841 INFO L274 CegarLoopResult]: For program point L44-3(lines 44 45) no Hoare annotation was computed. [2020-11-29 19:42:22,841 INFO L274 CegarLoopResult]: For program point L44-5(lines 44 45) no Hoare annotation was computed. [2020-11-29 19:42:22,841 INFO L274 CegarLoopResult]: For program point L177(lines 177 200) no Hoare annotation was computed. [2020-11-29 19:42:22,841 INFO L274 CegarLoopResult]: For program point L177-2(lines 83 210) no Hoare annotation was computed. [2020-11-29 19:42:22,841 INFO L274 CegarLoopResult]: For program point L178-1(lines 178 182) no Hoare annotation was computed. [2020-11-29 19:42:22,841 INFO L270 CegarLoopResult]: At program point L178-2(lines 178 182) the Hoare annotation is: false [2020-11-29 19:42:22,842 INFO L274 CegarLoopResult]: For program point L178-3(lines 178 182) no Hoare annotation was computed. [2020-11-29 19:42:22,847 INFO L270 CegarLoopResult]: At program point L80(lines 16 81) the Hoare annotation is: false [2020-11-29 19:42:22,848 INFO L270 CegarLoopResult]: At program point L80-1(lines 16 81) the Hoare annotation is: false [2020-11-29 19:42:22,848 INFO L274 CegarLoopResult]: For program point L147(lines 147 174) no Hoare annotation was computed. [2020-11-29 19:42:22,848 INFO L274 CegarLoopResult]: For program point L114(lines 114 118) no Hoare annotation was computed. [2020-11-29 19:42:22,848 INFO L274 CegarLoopResult]: For program point L114-1(lines 83 210) no Hoare annotation was computed. [2020-11-29 19:42:22,848 INFO L274 CegarLoopResult]: For program point L114-2(lines 83 210) no Hoare annotation was computed. [2020-11-29 19:42:22,848 INFO L274 CegarLoopResult]: For program point L148(lines 148 173) no Hoare annotation was computed. [2020-11-29 19:42:22,848 INFO L274 CegarLoopResult]: For program point L215-1(lines 215 219) no Hoare annotation was computed. [2020-11-29 19:42:22,849 INFO L270 CegarLoopResult]: At program point L215-2(lines 215 219) the Hoare annotation is: (let ((.cse1 (let ((.cse6 (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_hypotf_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))))) (or (and (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (= ULTIMATE.start___ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30)))) .cse6) (and (not (bvslt ULTIMATE.start___ieee754_hypotf_~hb~0 (_ bv645922816 32))) .cse6))))) (or (and (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_36 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (= ULTIMATE.start___ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36)))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_36 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (= (let ((.cse0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) ULTIMATE.start___ieee754_hypotf_~w~0))) .cse1 (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_36 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (= (let ((.cse2 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))) |ULTIMATE.start___ieee754_hypotf_#res|))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_36 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (= (let ((.cse3 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))) ULTIMATE.start_isinf_float_~x))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_36 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (= (let ((.cse4 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4))) ULTIMATE.start___ieee754_hypotf_~a~0)))) (let ((.cse5 (not (bvsgt (bvadd ULTIMATE.start___ieee754_hypotf_~ha~0 (bvneg ULTIMATE.start___ieee754_hypotf_~hb~0)) (_ bv251658240 32))))) (and (= ULTIMATE.start___ieee754_hypotf_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (or (forall ((v_ULTIMATE.start_isinf_float_~ix~1_10 (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_10) (_ bv2139095040 32)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_10)) (fp.add currentRoundingMode (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~hb~0))))))) .cse5) (= currentRoundingMode roundNearestTiesToEven) (forall ((v_ULTIMATE.start_isinf_float_~ix~1_10 (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_10) (_ bv2139095040 32)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_10)) ULTIMATE.start_isinf_float_~x)))) (or (forall ((v_ULTIMATE.start_isinf_float_~ix~1_10 (_ BitVec 32))) (or (not (= (fp.add currentRoundingMode ULTIMATE.start___ieee754_hypotf_~a~0 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~hb~0))) (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_10)))) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_10) (_ bv2139095040 32)))) .cse5) (forall ((v_ULTIMATE.start_isinf_float_~ix~1_10 (_ BitVec 32))) (or (not (= |ULTIMATE.start___ieee754_hypotf_#res| (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_10)))) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_10) (_ bv2139095040 32)))) (or (forall ((v_ULTIMATE.start_isinf_float_~ix~1_10 (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_10) (_ bv2139095040 32)) (not (= (fp.add currentRoundingMode ULTIMATE.start___ieee754_hypotf_~a~0 ULTIMATE.start___ieee754_hypotf_~b~0) (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_10)))))) .cse5))) (and (forall ((v_ULTIMATE.start_isinf_float_~ix~1_17 (_ BitVec 32))) (or (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_17)) ULTIMATE.start_isinf_float_~x)) (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_17) (_ bv2155872256 32)) (_ bv0 32)))) (or (not (= (_ bv0 32) (bvadd ULTIMATE.start___ieee754_hypotf_~hb~0 (_ bv2155872256 32)))) (forall ((v_ULTIMATE.start_isinf_float_~ix~1_17 (_ BitVec 32))) (or (not (= ULTIMATE.start___ieee754_hypotf_~b~0 (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_17)))) (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_17) (_ bv2155872256 32)) (_ bv0 32))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_35 (_ BitVec 32))) (= ULTIMATE.start___ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_35))) .cse1 (forall ((v_ULTIMATE.start_isinf_float_~ix~1_17 (_ BitVec 32))) (or (not (= |ULTIMATE.start___ieee754_hypotf_#res| (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_17)))) (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_17) (_ bv2155872256 32)) (_ bv0 32)))) (forall ((v_ULTIMATE.start_isinf_float_~ix~1_17 (_ BitVec 32))) (or (not (= ULTIMATE.start___ieee754_hypotf_~w~0 (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_17)))) (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_17) (_ bv2155872256 32)) (_ bv0 32))))))) [2020-11-29 19:42:22,850 INFO L274 CegarLoopResult]: For program point L215-3(lines 215 219) no Hoare annotation was computed. [2020-11-29 19:42:22,850 INFO L274 CegarLoopResult]: For program point L150(lines 150 173) no Hoare annotation was computed. [2020-11-29 19:42:22,852 INFO L274 CegarLoopResult]: For program point L151-1(lines 151 155) no Hoare annotation was computed. [2020-11-29 19:42:22,852 INFO L270 CegarLoopResult]: At program point L151-2(lines 151 155) the Hoare annotation is: false [2020-11-29 19:42:22,853 INFO L274 CegarLoopResult]: For program point L151-3(lines 151 155) no Hoare annotation was computed. [2020-11-29 19:42:22,853 INFO L270 CegarLoopResult]: At program point L52-2(lines 52 61) the Hoare annotation is: false [2020-11-29 19:42:22,853 INFO L274 CegarLoopResult]: For program point L52-3(lines 16 81) no Hoare annotation was computed. [2020-11-29 19:42:22,853 INFO L270 CegarLoopResult]: At program point L52-6(lines 52 61) the Hoare annotation is: false [2020-11-29 19:42:22,853 INFO L274 CegarLoopResult]: For program point L52-7(lines 16 81) no Hoare annotation was computed. [2020-11-29 19:42:22,853 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 19:42:22,853 INFO L274 CegarLoopResult]: For program point L87-1(lines 87 91) no Hoare annotation was computed. [2020-11-29 19:42:22,853 INFO L274 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2020-11-29 19:42:22,854 INFO L270 CegarLoopResult]: At program point L87-2(lines 87 91) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (not (fp.gt (fp.sub currentRoundingMode ULTIMATE.start___ieee754_hypotf_~a~0 ULTIMATE.start___ieee754_hypotf_~b~0) ULTIMATE.start___ieee754_hypotf_~b~0)) (forall ((v_skolemized_v_prenex_5_5 (_ BitVec 32))) (or (not (= ULTIMATE.start___ieee754_hypotf_~a~0 (fp ((_ extract 31 31) v_skolemized_v_prenex_5_5) ((_ extract 30 23) v_skolemized_v_prenex_5_5) ((_ extract 22 0) v_skolemized_v_prenex_5_5)))) (= (_ bv0 32) (bvadd (bvand (_ bv2147483647 32) v_skolemized_v_prenex_5_5) (_ bv2155872256 32))))) (or (not (let ((.cse0 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~hb~0)))) (fp.gt (fp.sub currentRoundingMode ULTIMATE.start___ieee754_hypotf_~a~0 .cse0) .cse0))) (bvsgt ULTIMATE.start___ieee754_hypotf_~ha~0 (_ bv1484783616 32))) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_hypotf_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))))) [2020-11-29 19:42:22,854 INFO L274 CegarLoopResult]: For program point L87-3(lines 87 91) no Hoare annotation was computed. [2020-11-29 19:42:22,854 INFO L274 CegarLoopResult]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2020-11-29 19:42:22,854 INFO L274 CegarLoopResult]: For program point L54-2(lines 54 58) no Hoare annotation was computed. [2020-11-29 19:42:22,854 INFO L270 CegarLoopResult]: At program point L21-2(lines 21 25) the Hoare annotation is: false [2020-11-29 19:42:22,854 INFO L274 CegarLoopResult]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2020-11-29 19:42:22,855 INFO L274 CegarLoopResult]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2020-11-29 19:42:22,855 INFO L274 CegarLoopResult]: For program point L54-5(lines 54 58) no Hoare annotation was computed. [2020-11-29 19:42:22,855 INFO L274 CegarLoopResult]: For program point L21-5(lines 21 25) no Hoare annotation was computed. [2020-11-29 19:42:22,855 INFO L270 CegarLoopResult]: At program point L21-6(lines 21 25) the Hoare annotation is: false [2020-11-29 19:42:22,855 INFO L274 CegarLoopResult]: For program point L21-7(lines 21 25) no Hoare annotation was computed. [2020-11-29 19:42:22,855 INFO L274 CegarLoopResult]: For program point L187-1(lines 187 191) no Hoare annotation was computed. [2020-11-29 19:42:22,855 INFO L270 CegarLoopResult]: At program point L187-2(lines 187 191) the Hoare annotation is: false [2020-11-29 19:42:22,855 INFO L274 CegarLoopResult]: For program point L187-3(lines 187 191) no Hoare annotation was computed. [2020-11-29 19:42:22,857 INFO L270 CegarLoopResult]: At program point L221(lines 213 222) the Hoare annotation is: (let ((.cse6 (let ((.cse11 (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_hypotf_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))))) (or (and (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (= ULTIMATE.start___ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30)))) .cse11) (and (not (bvslt ULTIMATE.start___ieee754_hypotf_~hb~0 (_ bv645922816 32))) .cse11)))) (.cse1 (= (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32)) (_ bv0 32)))) (or (let ((.cse0 (not (bvsgt (bvadd ULTIMATE.start___ieee754_hypotf_~ha~0 (bvneg ULTIMATE.start___ieee754_hypotf_~hb~0)) (_ bv251658240 32))))) (and (= ULTIMATE.start___ieee754_hypotf_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (or (forall ((v_ULTIMATE.start_isinf_float_~ix~1_10 (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_10) (_ bv2139095040 32)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_10)) (fp.add currentRoundingMode (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~hb~0))))))) .cse0) (= currentRoundingMode roundNearestTiesToEven) (forall ((v_ULTIMATE.start_isinf_float_~ix~1_10 (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_10) (_ bv2139095040 32)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_10)) ULTIMATE.start_isinf_float_~x)))) (or (forall ((v_ULTIMATE.start_isinf_float_~ix~1_10 (_ BitVec 32))) (or (not (= (fp.add currentRoundingMode ULTIMATE.start___ieee754_hypotf_~a~0 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~hb~0))) (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_10)))) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_10) (_ bv2139095040 32)))) .cse0) .cse1 (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_27 (_ BitVec 32)) (v_ULTIMATE.start___ieee754_hypotf_~ha~0_26 (_ BitVec 32))) (let ((.cse2 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_26)) (.cse3 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_27))) (and (= (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~1)) (fp.add roundNearestTiesToEven (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3)))) (bvsgt (bvadd .cse2 (bvneg .cse3)) (_ bv251658240 32)) (= (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~ha~0_26) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~ha~0_26) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~ha~0_26)))))) (forall ((v_ULTIMATE.start_isinf_float_~ix~1_10 (_ BitVec 32))) (or (not (= |ULTIMATE.start___ieee754_hypotf_#res| (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_10)))) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_10) (_ bv2139095040 32)))) (or (forall ((v_ULTIMATE.start_isinf_float_~ix~1_10 (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_10) (_ bv2139095040 32)) (not (= (fp.add currentRoundingMode ULTIMATE.start___ieee754_hypotf_~a~0 ULTIMATE.start___ieee754_hypotf_~b~0) (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_10)))))) .cse0))) (and (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_36 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (= ULTIMATE.start___ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36)))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_36 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (= (let ((.cse4 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4))) (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~1))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_36 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (= (let ((.cse5 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))) ULTIMATE.start___ieee754_hypotf_~w~0))) .cse6 .cse1 (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_36 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (= (let ((.cse7 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (fp ((_ extract 31 31) .cse7) ((_ extract 30 23) .cse7) ((_ extract 22 0) .cse7))) |ULTIMATE.start___ieee754_hypotf_#res|))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_36 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (= (let ((.cse8 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (fp ((_ extract 31 31) .cse8) ((_ extract 30 23) .cse8) ((_ extract 22 0) .cse8))) ULTIMATE.start_isinf_float_~x))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_36 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (= (let ((.cse9 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (fp ((_ extract 31 31) .cse9) ((_ extract 30 23) .cse9) ((_ extract 22 0) .cse9))) ULTIMATE.start___ieee754_hypotf_~a~0)))) (and (forall ((v_ULTIMATE.start_isinf_float_~ix~1_17 (_ BitVec 32))) (or (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_17)) ULTIMATE.start_isinf_float_~x)) (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_17) (_ bv2155872256 32)) (_ bv0 32)))) (or (not (= (_ bv0 32) (bvadd ULTIMATE.start___ieee754_hypotf_~hb~0 (_ bv2155872256 32)))) (forall ((v_ULTIMATE.start_isinf_float_~ix~1_17 (_ BitVec 32))) (or (not (= ULTIMATE.start___ieee754_hypotf_~b~0 (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_17)))) (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_17) (_ bv2155872256 32)) (_ bv0 32))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_35 (_ BitVec 32))) (let ((.cse10 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_35))) (and (= (fp ((_ extract 31 31) .cse10) ((_ extract 30 23) .cse10) ((_ extract 22 0) .cse10)) (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~1))) (= (bvadd .cse10 (_ bv2155872256 32)) (_ bv0 32))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_35 (_ BitVec 32))) (= ULTIMATE.start___ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_35))) .cse6 .cse1 (forall ((v_ULTIMATE.start_isinf_float_~ix~1_17 (_ BitVec 32))) (or (not (= |ULTIMATE.start___ieee754_hypotf_#res| (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_17)))) (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_17) (_ bv2155872256 32)) (_ bv0 32)))) (forall ((v_ULTIMATE.start_isinf_float_~ix~1_17 (_ BitVec 32))) (or (not (= ULTIMATE.start___ieee754_hypotf_~w~0 (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_17)))) (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_17) (_ bv2155872256 32)) (_ bv0 32))))))) [2020-11-29 19:42:22,857 INFO L274 CegarLoopResult]: For program point L123(lines 123 146) no Hoare annotation was computed. [2020-11-29 19:42:22,857 INFO L274 CegarLoopResult]: For program point L123-1(lines 83 210) no Hoare annotation was computed. [2020-11-29 19:42:22,857 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 19:42:22,857 INFO L274 CegarLoopResult]: For program point L124(lines 124 131) no Hoare annotation was computed. [2020-11-29 19:42:22,857 INFO L274 CegarLoopResult]: For program point L126(lines 126 127) no Hoare annotation was computed. [2020-11-29 19:42:22,857 INFO L274 CegarLoopResult]: For program point L93-1(lines 93 97) no Hoare annotation was computed. [2020-11-29 19:42:22,858 INFO L274 CegarLoopResult]: For program point L126-2(lines 124 131) no Hoare annotation was computed. [2020-11-29 19:42:22,860 INFO L270 CegarLoopResult]: At program point L93-2(lines 93 97) the Hoare annotation is: (and (forall ((v_skolemized_v_prenex_5_5 (_ BitVec 32))) (or (not (= ULTIMATE.start___ieee754_hypotf_~a~0 (fp ((_ extract 31 31) v_skolemized_v_prenex_5_5) ((_ extract 30 23) v_skolemized_v_prenex_5_5) ((_ extract 22 0) v_skolemized_v_prenex_5_5)))) (= (bvand (_ bv2147483647 32) v_skolemized_v_prenex_5_5) (_ bv2139095040 32)))) (= currentRoundingMode roundNearestTiesToEven) (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (= ULTIMATE.start___ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30)))) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_hypotf_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))))) [2020-11-29 19:42:22,861 INFO L274 CegarLoopResult]: For program point L93-3(lines 93 97) no Hoare annotation was computed. [2020-11-29 19:42:22,861 INFO L274 CegarLoopResult]: For program point L193-1(lines 193 197) no Hoare annotation was computed. [2020-11-29 19:42:22,861 INFO L270 CegarLoopResult]: At program point L193-2(lines 193 197) the Hoare annotation is: false [2020-11-29 19:42:22,861 INFO L274 CegarLoopResult]: For program point L193-3(lines 193 197) no Hoare annotation was computed. [2020-11-29 19:42:22,861 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 19:42:22,861 INFO L274 CegarLoopResult]: For program point L28(lines 28 29) no Hoare annotation was computed. [2020-11-29 19:42:22,861 INFO L274 CegarLoopResult]: For program point L28-1(lines 28 29) no Hoare annotation was computed. [2020-11-29 19:42:22,862 INFO L274 CegarLoopResult]: For program point L128-1(lines 128 129) no Hoare annotation was computed. [2020-11-29 19:42:22,862 INFO L274 CegarLoopResult]: For program point L63(lines 63 72) no Hoare annotation was computed. [2020-11-29 19:42:22,863 INFO L274 CegarLoopResult]: For program point L63-1(lines 63 72) no Hoare annotation was computed. [2020-11-29 19:42:22,864 INFO L274 CegarLoopResult]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2020-11-29 19:42:22,864 INFO L270 CegarLoopResult]: At program point L163-2(lines 163 167) the Hoare annotation is: false [2020-11-29 19:42:22,864 INFO L274 CegarLoopResult]: For program point L31(lines 31 32) no Hoare annotation was computed. [2020-11-29 19:42:22,864 INFO L274 CegarLoopResult]: For program point L31-1(lines 31 32) no Hoare annotation was computed. [2020-11-29 19:42:22,864 INFO L274 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-11-29 19:42:22,864 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 19:42:22,865 INFO L274 CegarLoopResult]: For program point L65-2(lines 65 71) no Hoare annotation was computed. [2020-11-29 19:42:22,865 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 19:42:22,865 INFO L274 CegarLoopResult]: For program point L99(lines 99 108) no Hoare annotation was computed. [2020-11-29 19:42:22,865 INFO L274 CegarLoopResult]: For program point L33(lines 33 34) no Hoare annotation was computed. [2020-11-29 19:42:22,865 INFO L274 CegarLoopResult]: For program point L33-1(lines 33 34) no Hoare annotation was computed. [2020-11-29 19:42:22,865 INFO L274 CegarLoopResult]: For program point L67(lines 67 70) no Hoare annotation was computed. [2020-11-29 19:42:22,866 INFO L274 CegarLoopResult]: For program point L67-3(lines 67 70) no Hoare annotation was computed. [2020-11-29 19:42:22,881 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_5_5,QUANTIFIED] [2020-11-29 19:42:22,882 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_5_5,QUANTIFIED] [2020-11-29 19:42:22,882 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_5_5,QUANTIFIED] [2020-11-29 19:42:22,883 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_5_5,QUANTIFIED] [2020-11-29 19:42:22,886 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 19:42:22,886 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0_30,QUANTIFIED] [2020-11-29 19:42:22,886 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0_30,QUANTIFIED] [2020-11-29 19:42:22,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0_30,QUANTIFIED] [2020-11-29 19:42:22,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 19:42:22,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 19:42:22,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0_30,QUANTIFIED] [2020-11-29 19:42:22,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 19:42:22,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 19:42:22,891 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:42:22,896 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_5_5,QUANTIFIED] [2020-11-29 19:42:22,896 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_5_5,QUANTIFIED] [2020-11-29 19:42:22,896 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_5_5,QUANTIFIED] [2020-11-29 19:42:22,896 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_5_5,QUANTIFIED] [2020-11-29 19:42:22,897 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 19:42:22,897 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0_30,QUANTIFIED] [2020-11-29 19:42:22,897 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0_30,QUANTIFIED] [2020-11-29 19:42:22,897 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0_30,QUANTIFIED] [2020-11-29 19:42:22,897 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 19:42:22,898 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 19:42:22,898 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0_30,QUANTIFIED] [2020-11-29 19:42:22,898 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 19:42:22,899 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 19:42:22,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:42:22,914 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:707) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:267) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-29 19:42:22,921 INFO L168 Benchmark]: Toolchain (without parser) took 515549.22 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 21.7 MB in the end (delta: 15.1 MB). Peak memory consumption was 31.6 MB. Max. memory is 16.1 GB. [2020-11-29 19:42:22,926 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 58.7 MB. Free memory was 40.3 MB in the beginning and 40.3 MB in the end (delta: 40.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:42:22,928 INFO L168 Benchmark]: CACSL2BoogieTranslator took 439.00 ms. Allocated memory is still 58.7 MB. Free memory was 36.6 MB in the beginning and 41.2 MB in the end (delta: -4.6 MB). Peak memory consumption was 14.9 MB. Max. memory is 16.1 GB. [2020-11-29 19:42:22,929 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.79 ms. Allocated memory is still 58.7 MB. Free memory was 41.2 MB in the beginning and 38.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:42:22,930 INFO L168 Benchmark]: Boogie Preprocessor took 89.70 ms. Allocated memory is still 58.7 MB. Free memory was 38.2 MB in the beginning and 35.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:42:22,931 INFO L168 Benchmark]: RCFGBuilder took 7026.46 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 35.1 MB in the beginning and 31.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. [2020-11-29 19:42:22,933 INFO L168 Benchmark]: TraceAbstraction took 507872.87 ms. Allocated memory is still 71.3 MB. Free memory was 31.3 MB in the beginning and 21.7 MB in the end (delta: 9.6 MB). Peak memory consumption was 12.7 MB. Max. memory is 16.1 GB. [2020-11-29 19:42:22,938 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 58.7 MB. Free memory was 40.3 MB in the beginning and 40.3 MB in the end (delta: 40.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 439.00 ms. Allocated memory is still 58.7 MB. Free memory was 36.6 MB in the beginning and 41.2 MB in the end (delta: -4.6 MB). Peak memory consumption was 14.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 111.79 ms. Allocated memory is still 58.7 MB. Free memory was 41.2 MB in the beginning and 38.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 89.70 ms. Allocated memory is still 58.7 MB. Free memory was 38.2 MB in the beginning and 35.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 7026.46 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 35.1 MB in the beginning and 31.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 507872.87 ms. Allocated memory is still 71.3 MB. Free memory was 31.3 MB in the beginning and 21.7 MB in the end (delta: 9.6 MB). Peak memory consumption was 12.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_5_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_5_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_5_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_5_5,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[v_ULTIMATE.start___ieee754_hypotf_~ha~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_5_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_5_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_5_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_5_5,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[v_ULTIMATE.start___ieee754_hypotf_~ha~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,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 * 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: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 93]: Loop Invariant [2020-11-29 19:42:22,956 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_5_5,QUANTIFIED] [2020-11-29 19:42:22,957 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_5_5,QUANTIFIED] [2020-11-29 19:42:22,957 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_5_5,QUANTIFIED] [2020-11-29 19:42:22,957 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_5_5,QUANTIFIED] [2020-11-29 19:42:22,957 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 19:42:22,957 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0_30,QUANTIFIED] [2020-11-29 19:42:22,958 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0_30,QUANTIFIED] [2020-11-29 19:42:22,958 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0_30,QUANTIFIED] [2020-11-29 19:42:22,958 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 19:42:22,958 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 19:42:22,958 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0_30,QUANTIFIED] [2020-11-29 19:42:22,959 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 19:42:22,959 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 19:42:22,959 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 19:42:22,960 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_5_5,QUANTIFIED] [2020-11-29 19:42:22,960 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_5_5,QUANTIFIED] [2020-11-29 19:42:22,964 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_5_5,QUANTIFIED] [2020-11-29 19:42:22,964 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_5_5,QUANTIFIED] [2020-11-29 19:42:22,965 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 19:42:22,965 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0_30,QUANTIFIED] [2020-11-29 19:42:22,965 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0_30,QUANTIFIED] [2020-11-29 19:42:22,965 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0_30,QUANTIFIED] [2020-11-29 19:42:22,965 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 19:42:22,966 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 19:42:22,966 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0_30,QUANTIFIED] [2020-11-29 19:42:22,966 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 19:42:22,967 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 19:42:22,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((forall v_skolemized_v_prenex_5_5 : bv32 :: !(a == ~fp~LONGDOUBLE(v_skolemized_v_prenex_5_5[31:31], v_skolemized_v_prenex_5_5[30:23], v_skolemized_v_prenex_5_5[22:0])) || ~bvand32(2147483647bv32, v_skolemized_v_prenex_5_5) == 2139095040bv32) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_hypotf_~ha~0_30[31:31], v_ULTIMATE.start___ieee754_hypotf_~ha~0_30[30:23], v_ULTIMATE.start___ieee754_hypotf_~ha~0_30[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) && ha == ~bvand32(2147483647bv32, v_ULTIMATE.start___ieee754_hypotf_~ha~0_30))) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - ExceptionOrErrorResult: UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...