./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1270c.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0cb46825-3b2f-4795-a79b-36179534237b/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0cb46825-3b2f-4795-a79b-36179534237b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0cb46825-3b2f-4795-a79b-36179534237b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0cb46825-3b2f-4795-a79b-36179534237b/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1270c.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0cb46825-3b2f-4795-a79b-36179534237b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0cb46825-3b2f-4795-a79b-36179534237b/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 91052e8ecc9a867b12c5f0d5c9b1e4af952e3b52 ................................................................................................................................................................................................................................................................................................................................... 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_0cb46825-3b2f-4795-a79b-36179534237b/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0cb46825-3b2f-4795-a79b-36179534237b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0cb46825-3b2f-4795-a79b-36179534237b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0cb46825-3b2f-4795-a79b-36179534237b/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1270c.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0cb46825-3b2f-4795-a79b-36179534237b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0cb46825-3b2f-4795-a79b-36179534237b/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 91052e8ecc9a867b12c5f0d5c9b1e4af952e3b52 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.2.0-7b2dab5 [2020-12-09 11:14:23,332 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 11:14:23,333 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 11:14:23,370 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 11:14:23,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 11:14:23,371 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 11:14:23,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 11:14:23,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 11:14:23,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 11:14:23,377 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 11:14:23,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 11:14:23,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 11:14:23,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 11:14:23,380 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 11:14:23,381 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 11:14:23,382 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 11:14:23,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 11:14:23,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 11:14:23,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 11:14:23,386 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 11:14:23,388 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 11:14:23,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 11:14:23,390 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 11:14:23,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 11:14:23,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 11:14:23,393 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 11:14:23,393 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 11:14:23,394 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 11:14:23,395 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 11:14:23,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 11:14:23,396 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 11:14:23,396 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 11:14:23,397 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 11:14:23,398 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 11:14:23,398 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 11:14:23,399 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 11:14:23,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 11:14:23,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 11:14:23,399 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 11:14:23,400 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 11:14:23,400 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 11:14:23,401 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0cb46825-3b2f-4795-a79b-36179534237b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 11:14:23,423 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 11:14:23,424 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 11:14:23,424 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 11:14:23,425 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 11:14:23,425 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 11:14:23,425 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 11:14:23,425 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 11:14:23,425 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 11:14:23,425 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 11:14:23,426 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 11:14:23,426 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 11:14:23,426 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 11:14:23,426 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 11:14:23,426 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 11:14:23,427 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 11:14:23,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 11:14:23,427 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 11:14:23,428 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 11:14:23,428 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 11:14:23,428 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 11:14:23,428 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 11:14:23,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 11:14:23,428 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 11:14:23,429 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 11:14:23,429 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 11:14:23,429 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 11:14:23,429 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 11:14:23,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 11:14:23,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 11:14:23,430 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 11:14:23,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 11:14:23,430 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 11:14:23,430 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 11:14:23,430 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 11:14:23,431 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 11:14:23,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 11:14:23,431 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 11:14:23,431 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 11:14:23,431 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 11:14:23,431 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_0cb46825-3b2f-4795-a79b-36179534237b/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0cb46825-3b2f-4795-a79b-36179534237b/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91052e8ecc9a867b12c5f0d5c9b1e4af952e3b52 [2020-12-09 11:14:23,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 11:14:23,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 11:14:23,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 11:14:23,638 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 11:14:23,638 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 11:14:23,639 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0cb46825-3b2f-4795-a79b-36179534237b/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1270c.c [2020-12-09 11:14:23,680 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0cb46825-3b2f-4795-a79b-36179534237b/bin/utaipan/data/b60a02a7b/ae9e0b3d8baf4318ab630c322db92419/FLAG019fa5d1d [2020-12-09 11:14:24,041 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 11:14:24,042 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0cb46825-3b2f-4795-a79b-36179534237b/sv-benchmarks/c/float-newlib/float_req_bl_1270c.c [2020-12-09 11:14:24,047 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0cb46825-3b2f-4795-a79b-36179534237b/bin/utaipan/data/b60a02a7b/ae9e0b3d8baf4318ab630c322db92419/FLAG019fa5d1d [2020-12-09 11:14:24,057 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0cb46825-3b2f-4795-a79b-36179534237b/bin/utaipan/data/b60a02a7b/ae9e0b3d8baf4318ab630c322db92419 [2020-12-09 11:14:24,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 11:14:24,060 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 11:14:24,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 11:14:24,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 11:14:24,063 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 11:14:24,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:14:24" (1/1) ... [2020-12-09 11:14:24,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d2d3236 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:24, skipping insertion in model container [2020-12-09 11:14:24,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:14:24" (1/1) ... [2020-12-09 11:14:24,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 11:14:24,088 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 11:14:24,237 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0cb46825-3b2f-4795-a79b-36179534237b/sv-benchmarks/c/float-newlib/float_req_bl_1270c.c[4703,4716] [2020-12-09 11:14:24,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 11:14:24,248 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 11:14:24,290 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0cb46825-3b2f-4795-a79b-36179534237b/sv-benchmarks/c/float-newlib/float_req_bl_1270c.c[4703,4716] [2020-12-09 11:14:24,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 11:14:24,305 INFO L208 MainTranslator]: Completed translation [2020-12-09 11:14:24,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:24 WrapperNode [2020-12-09 11:14:24,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 11:14:24,307 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 11:14:24,307 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 11:14:24,307 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 11:14:24,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:24" (1/1) ... [2020-12-09 11:14:24,325 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:24" (1/1) ... [2020-12-09 11:14:24,355 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 11:14:24,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 11:14:24,356 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 11:14:24,356 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 11:14:24,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:24" (1/1) ... [2020-12-09 11:14:24,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:24" (1/1) ... [2020-12-09 11:14:24,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:24" (1/1) ... [2020-12-09 11:14:24,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:24" (1/1) ... [2020-12-09 11:14:24,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:24" (1/1) ... [2020-12-09 11:14:24,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:24" (1/1) ... [2020-12-09 11:14:24,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:24" (1/1) ... [2020-12-09 11:14:24,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 11:14:24,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 11:14:24,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 11:14:24,404 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 11:14:24,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cb46825-3b2f-4795-a79b-36179534237b/bin/utaipan/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 [2020-12-09 11:14:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 11:14:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 11:14:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-09 11:14:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-09 11:14:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-09 11:14:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 11:14:24,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 11:14:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-09 11:14:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 11:14:25,139 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 11:14:25,139 INFO L299 CfgBuilder]: Removed 52 assume(true) statements. [2020-12-09 11:14:25,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:14:25 BoogieIcfgContainer [2020-12-09 11:14:25,141 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 11:14:25,142 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 11:14:25,142 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 11:14:25,144 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 11:14:25,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 11:14:24" (1/3) ... [2020-12-09 11:14:25,145 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@432020c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:14:25, skipping insertion in model container [2020-12-09 11:14:25,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:24" (2/3) ... [2020-12-09 11:14:25,145 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@432020c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:14:25, skipping insertion in model container [2020-12-09 11:14:25,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:14:25" (3/3) ... [2020-12-09 11:14:25,147 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1270c.c [2020-12-09 11:14:25,156 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 11:14:25,159 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 11:14:25,168 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 11:14:25,187 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 11:14:25,187 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 11:14:25,187 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 11:14:25,187 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 11:14:25,188 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 11:14:25,188 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 11:14:25,188 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 11:14:25,188 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 11:14:25,199 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2020-12-09 11:14:25,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-09 11:14:25,204 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 11:14:25,204 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 11:14:25,205 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 11:14:25,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 11:14:25,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1051312980, now seen corresponding path program 1 times [2020-12-09 11:14:25,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 11:14:25,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367839812] [2020-12-09 11:14:25,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 11:14:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 11:14:25,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:14:25,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367839812] [2020-12-09 11:14:25,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 11:14:25,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 11:14:25,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983695970] [2020-12-09 11:14:25,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 11:14:25,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 11:14:25,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 11:14:25,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 11:14:25,330 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 2 states. [2020-12-09 11:14:25,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 11:14:25,347 INFO L93 Difference]: Finished difference Result 159 states and 271 transitions. [2020-12-09 11:14:25,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 11:14:25,348 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2020-12-09 11:14:25,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 11:14:25,355 INFO L225 Difference]: With dead ends: 159 [2020-12-09 11:14:25,355 INFO L226 Difference]: Without dead ends: 78 [2020-12-09 11:14:25,357 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 [2020-12-09 11:14:25,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-12-09 11:14:25,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-12-09 11:14:25,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-12-09 11:14:25,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 97 transitions. [2020-12-09 11:14:25,383 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 97 transitions. Word has length 13 [2020-12-09 11:14:25,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 11:14:25,383 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 97 transitions. [2020-12-09 11:14:25,383 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 11:14:25,383 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 97 transitions. [2020-12-09 11:14:25,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-09 11:14:25,384 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 11:14:25,384 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 11:14:25,384 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 11:14:25,384 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 11:14:25,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 11:14:25,385 INFO L82 PathProgramCache]: Analyzing trace with hash -1876189971, now seen corresponding path program 1 times [2020-12-09 11:14:25,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 11:14:25,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24539184] [2020-12-09 11:14:25,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 11:14:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 11:14:25,441 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 11:14:25,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 11:14:25,481 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 11:14:25,503 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-12-09 11:14:25,504 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 11:14:25,504 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 11:14:25,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 11:14:25 BoogieIcfgContainer [2020-12-09 11:14:25,527 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 11:14:25,527 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 11:14:25,527 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 11:14:25,527 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 11:14:25,528 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:14:25" (3/4) ... [2020-12-09 11:14:25,530 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 11:14:25,530 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 11:14:25,531 INFO L168 Benchmark]: Toolchain (without parser) took 1470.75 ms. Allocated memory is still 121.6 MB. Free memory was 88.4 MB in the beginning and 44.3 MB in the end (delta: 44.1 MB). Peak memory consumption was 41.2 MB. Max. memory is 16.1 GB. [2020-12-09 11:14:25,532 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 121.6 MB. Free memory was 102.4 MB in the beginning and 102.4 MB in the end (delta: 27.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 11:14:25,532 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.99 ms. Allocated memory is still 121.6 MB. Free memory was 88.4 MB in the beginning and 94.7 MB in the end (delta: -6.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-09 11:14:25,533 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.31 ms. Allocated memory is still 121.6 MB. Free memory was 94.7 MB in the beginning and 91.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 11:14:25,533 INFO L168 Benchmark]: Boogie Preprocessor took 47.12 ms. Allocated memory is still 121.6 MB. Free memory was 91.7 MB in the beginning and 89.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 11:14:25,534 INFO L168 Benchmark]: RCFGBuilder took 737.37 ms. Allocated memory is still 121.6 MB. Free memory was 89.5 MB in the beginning and 74.3 MB in the end (delta: 15.2 MB). Peak memory consumption was 58.7 MB. Max. memory is 16.1 GB. [2020-12-09 11:14:25,534 INFO L168 Benchmark]: TraceAbstraction took 384.91 ms. Allocated memory is still 121.6 MB. Free memory was 73.6 MB in the beginning and 45.0 MB in the end (delta: 28.7 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-12-09 11:14:25,535 INFO L168 Benchmark]: Witness Printer took 2.86 ms. Allocated memory is still 121.6 MB. Free memory was 45.0 MB in the beginning and 44.3 MB in the end (delta: 669.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 11:14:25,537 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 121.6 MB. Free memory was 102.4 MB in the beginning and 102.4 MB in the end (delta: 27.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 244.99 ms. Allocated memory is still 121.6 MB. Free memory was 88.4 MB in the beginning and 94.7 MB in the end (delta: -6.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 48.31 ms. Allocated memory is still 121.6 MB. Free memory was 94.7 MB in the beginning and 91.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.12 ms. Allocated memory is still 121.6 MB. Free memory was 91.7 MB in the beginning and 89.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 737.37 ms. Allocated memory is still 121.6 MB. Free memory was 89.5 MB in the beginning and 74.3 MB in the end (delta: 15.2 MB). Peak memory consumption was 58.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 384.91 ms. Allocated memory is still 121.6 MB. Free memory was 73.6 MB in the beginning and 45.0 MB in the end (delta: 28.7 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * Witness Printer took 2.86 ms. Allocated memory is still 121.6 MB. Free memory was 45.0 MB in the beginning and 44.3 MB in the end (delta: 669.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 237]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is 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; [L231] float x = __VERIFIER_nondet_float(); [L232] float y = 1.0f / 0.0f; [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 [L99] COND TRUE hb > ha [L100] a = y [L101] b = x [L102] j = ha [L103] ha = hb [L104] hb = j 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); [L236] COND TRUE !isinf_float(res) [L237] reach_error() VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 80 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 99 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=80occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 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 0.2.0-7b2dab5 [2020-12-09 11:14:27,071 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 11:14:27,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 11:14:27,094 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 11:14:27,094 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 11:14:27,095 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 11:14:27,096 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 11:14:27,098 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 11:14:27,100 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 11:14:27,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 11:14:27,102 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 11:14:27,102 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 11:14:27,103 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 11:14:27,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 11:14:27,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 11:14:27,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 11:14:27,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 11:14:27,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 11:14:27,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 11:14:27,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 11:14:27,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 11:14:27,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 11:14:27,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 11:14:27,114 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 11:14:27,117 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 11:14:27,117 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 11:14:27,118 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 11:14:27,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 11:14:27,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 11:14:27,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 11:14:27,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 11:14:27,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 11:14:27,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 11:14:27,122 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 11:14:27,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 11:14:27,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 11:14:27,124 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 11:14:27,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 11:14:27,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 11:14:27,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 11:14:27,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 11:14:27,126 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0cb46825-3b2f-4795-a79b-36179534237b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 11:14:27,150 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 11:14:27,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 11:14:27,150 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 11:14:27,151 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 11:14:27,151 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 11:14:27,151 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 11:14:27,151 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 11:14:27,151 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 11:14:27,151 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 11:14:27,152 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 11:14:27,152 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 11:14:27,152 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 11:14:27,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 11:14:27,152 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 11:14:27,153 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 11:14:27,153 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 11:14:27,153 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 11:14:27,153 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 11:14:27,153 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 11:14:27,153 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 11:14:27,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 11:14:27,154 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 11:14:27,154 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 11:14:27,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 11:14:27,154 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 11:14:27,154 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 11:14:27,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 11:14:27,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 11:14:27,155 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 11:14:27,155 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 11:14:27,155 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 11:14:27,155 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 11:14:27,155 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 11:14:27,155 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 11:14:27,155 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 11:14:27,155 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_0cb46825-3b2f-4795-a79b-36179534237b/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0cb46825-3b2f-4795-a79b-36179534237b/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91052e8ecc9a867b12c5f0d5c9b1e4af952e3b52 [2020-12-09 11:14:27,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 11:14:27,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 11:14:27,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 11:14:27,395 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 11:14:27,396 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 11:14:27,397 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0cb46825-3b2f-4795-a79b-36179534237b/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1270c.c [2020-12-09 11:14:27,437 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0cb46825-3b2f-4795-a79b-36179534237b/bin/utaipan/data/5fae951bb/ce2eabc01255420bbae5708b5530a7a0/FLAG85b86cc10 [2020-12-09 11:14:27,814 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 11:14:27,815 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0cb46825-3b2f-4795-a79b-36179534237b/sv-benchmarks/c/float-newlib/float_req_bl_1270c.c [2020-12-09 11:14:27,821 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0cb46825-3b2f-4795-a79b-36179534237b/bin/utaipan/data/5fae951bb/ce2eabc01255420bbae5708b5530a7a0/FLAG85b86cc10 [2020-12-09 11:14:27,834 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0cb46825-3b2f-4795-a79b-36179534237b/bin/utaipan/data/5fae951bb/ce2eabc01255420bbae5708b5530a7a0 [2020-12-09 11:14:27,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 11:14:27,838 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 11:14:27,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 11:14:27,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 11:14:27,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 11:14:27,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:14:27" (1/1) ... [2020-12-09 11:14:27,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@271b6851 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:27, skipping insertion in model container [2020-12-09 11:14:27,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:14:27" (1/1) ... [2020-12-09 11:14:27,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 11:14:27,869 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 11:14:28,001 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0cb46825-3b2f-4795-a79b-36179534237b/sv-benchmarks/c/float-newlib/float_req_bl_1270c.c[4703,4716] [2020-12-09 11:14:28,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 11:14:28,020 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 11:14:28,081 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_0cb46825-3b2f-4795-a79b-36179534237b/sv-benchmarks/c/float-newlib/float_req_bl_1270c.c[4703,4716] [2020-12-09 11:14:28,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 11:14:28,100 INFO L208 MainTranslator]: Completed translation [2020-12-09 11:14:28,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:28 WrapperNode [2020-12-09 11:14:28,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 11:14:28,102 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 11:14:28,102 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 11:14:28,102 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 11:14:28,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:28" (1/1) ... [2020-12-09 11:14:28,121 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:28" (1/1) ... [2020-12-09 11:14:28,147 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 11:14:28,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 11:14:28,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 11:14:28,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 11:14:28,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:28" (1/1) ... [2020-12-09 11:14:28,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:28" (1/1) ... [2020-12-09 11:14:28,160 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:28" (1/1) ... [2020-12-09 11:14:28,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:28" (1/1) ... [2020-12-09 11:14:28,173 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:28" (1/1) ... [2020-12-09 11:14:28,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:28" (1/1) ... [2020-12-09 11:14:28,184 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:28" (1/1) ... [2020-12-09 11:14:28,189 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 11:14:28,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 11:14:28,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 11:14:28,190 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 11:14:28,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cb46825-3b2f-4795-a79b-36179534237b/bin/utaipan/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 [2020-12-09 11:14:28,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 11:14:28,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 11:14:28,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-12-09 11:14:28,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-09 11:14:28,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 11:14:28,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 11:14:28,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-12-09 11:14:28,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-09 11:14:28,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 11:14:37,665 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 11:14:37,665 INFO L299 CfgBuilder]: Removed 52 assume(true) statements. [2020-12-09 11:14:37,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:14:37 BoogieIcfgContainer [2020-12-09 11:14:37,667 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 11:14:37,668 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 11:14:37,668 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 11:14:37,670 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 11:14:37,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 11:14:27" (1/3) ... [2020-12-09 11:14:37,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51f3b7d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:14:37, skipping insertion in model container [2020-12-09 11:14:37,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:28" (2/3) ... [2020-12-09 11:14:37,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51f3b7d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:14:37, skipping insertion in model container [2020-12-09 11:14:37,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:14:37" (3/3) ... [2020-12-09 11:14:37,672 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1270c.c [2020-12-09 11:14:37,680 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 11:14:37,683 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 11:14:37,690 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 11:14:37,706 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 11:14:37,706 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 11:14:37,706 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 11:14:37,706 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 11:14:37,706 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 11:14:37,706 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 11:14:37,706 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 11:14:37,706 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 11:14:37,716 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2020-12-09 11:14:37,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-09 11:14:37,720 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 11:14:37,720 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 11:14:37,720 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 11:14:37,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 11:14:37,724 INFO L82 PathProgramCache]: Analyzing trace with hash 311741284, now seen corresponding path program 1 times [2020-12-09 11:14:37,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 11:14:37,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1252466283] [2020-12-09 11:14:37,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cb46825-3b2f-4795-a79b-36179534237b/bin/utaipan/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 [2020-12-09 11:14:37,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 11:14:37,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-09 11:14:37,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 11:14:37,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:14:37,890 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 11:14:37,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1252466283] [2020-12-09 11:14:37,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 11:14:37,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 11:14:37,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411684098] [2020-12-09 11:14:37,896 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 11:14:37,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 11:14:37,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 11:14:37,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 11:14:37,909 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 2 states. [2020-12-09 11:14:37,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 11:14:37,928 INFO L93 Difference]: Finished difference Result 212 states and 358 transitions. [2020-12-09 11:14:37,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 11:14:37,929 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-09 11:14:37,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 11:14:37,940 INFO L225 Difference]: With dead ends: 212 [2020-12-09 11:14:37,940 INFO L226 Difference]: Without dead ends: 104 [2020-12-09 11:14:37,943 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 11:14:37,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-12-09 11:14:37,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2020-12-09 11:14:37,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-12-09 11:14:37,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 136 transitions. [2020-12-09 11:14:37,979 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 136 transitions. Word has length 16 [2020-12-09 11:14:37,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 11:14:37,980 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 136 transitions. [2020-12-09 11:14:37,980 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 11:14:37,980 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 136 transitions. [2020-12-09 11:14:37,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-09 11:14:37,980 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 11:14:37,981 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] [2020-12-09 11:14:38,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 11:14:38,181 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 11:14:38,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 11:14:38,182 INFO L82 PathProgramCache]: Analyzing trace with hash 2055151297, now seen corresponding path program 1 times [2020-12-09 11:14:38,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 11:14:38,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1435801772] [2020-12-09 11:14:38,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cb46825-3b2f-4795-a79b-36179534237b/bin/utaipan/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 [2020-12-09 11:14:38,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 11:14:38,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-09 11:14:38,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 11:14:38,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:14:38,679 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 11:14:38,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1435801772] [2020-12-09 11:14:38,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 11:14:38,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-09 11:14:38,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946497908] [2020-12-09 11:14:38,681 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 11:14:38,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 11:14:38,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 11:14:38,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-09 11:14:38,682 INFO L87 Difference]: Start difference. First operand 104 states and 136 transitions. Second operand 6 states. [2020-12-09 11:14:39,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 11:14:39,593 INFO L93 Difference]: Finished difference Result 294 states and 381 transitions. [2020-12-09 11:14:39,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 11:14:39,594 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2020-12-09 11:14:39,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 11:14:39,596 INFO L225 Difference]: With dead ends: 294 [2020-12-09 11:14:39,596 INFO L226 Difference]: Without dead ends: 208 [2020-12-09 11:14:39,597 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-12-09 11:14:39,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-12-09 11:14:39,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 113. [2020-12-09 11:14:39,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-12-09 11:14:39,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 146 transitions. [2020-12-09 11:14:39,610 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 146 transitions. Word has length 21 [2020-12-09 11:14:39,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 11:14:39,611 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 146 transitions. [2020-12-09 11:14:39,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 11:14:39,611 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 146 transitions. [2020-12-09 11:14:39,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-09 11:14:39,611 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 11:14:39,611 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] [2020-12-09 11:14:39,812 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 11:14:39,813 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 11:14:39,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 11:14:39,815 INFO L82 PathProgramCache]: Analyzing trace with hash -1653009985, now seen corresponding path program 1 times [2020-12-09 11:14:39,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 11:14:39,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [221182471] [2020-12-09 11:14:39,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cb46825-3b2f-4795-a79b-36179534237b/bin/utaipan/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 [2020-12-09 11:14:40,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 11:14:40,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 28 conjunts are in the unsatisfiable core [2020-12-09 11:14:40,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 11:14:40,193 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-09 11:14:40,195 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 11:14:40,240 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 11:14:40,242 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-09 11:14:40,242 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:41, output treesize:42 [2020-12-09 11:14:40,509 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 11:14:40,509 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 48 [2020-12-09 11:14:40,513 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 11:14:40,629 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2020-12-09 11:14:40,629 INFO L625 ElimStorePlain]: treesize reduction 16, result has 78.4 percent of original size [2020-12-09 11:14:40,632 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-12-09 11:14:40,632 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:74, output treesize:58 [2020-12-09 11:14:40,829 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 11:14:40,830 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 43 [2020-12-09 11:14:40,833 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 11:14:40,978 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-12-09 11:14:40,978 INFO L625 ElimStorePlain]: treesize reduction 12, result has 85.5 percent of original size [2020-12-09 11:14:40,983 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-09 11:14:40,983 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:83, output treesize:60 [2020-12-09 11:14:41,605 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2020-12-09 11:14:41,607 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 11:14:41,712 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-12-09 11:14:41,712 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 11:14:41,713 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-09 11:14:41,714 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:68, output treesize:53 [2020-12-09 11:14:42,277 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 11:14:42,279 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 11:14:42,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:14:42,690 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 11:14:42,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [221182471] [2020-12-09 11:14:42,691 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 11:14:42,691 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-12-09 11:14:42,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617538508] [2020-12-09 11:14:42,691 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-09 11:14:42,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 11:14:42,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-09 11:14:42,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-12-09 11:14:42,692 INFO L87 Difference]: Start difference. First operand 113 states and 146 transitions. Second operand 14 states. [2020-12-09 11:14:43,371 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-12-09 11:14:43,755 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-12-09 11:14:45,579 WARN L197 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2020-12-09 11:14:51,756 WARN L197 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2020-12-09 11:14:59,870 WARN L197 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2020-12-09 11:15:01,657 WARN L197 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2020-12-09 11:15:01,837 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 44 [2020-12-09 11:15:03,250 WARN L197 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2020-12-09 11:15:03,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 11:15:03,401 INFO L93 Difference]: Finished difference Result 135 states and 168 transitions. [2020-12-09 11:15:03,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-09 11:15:03,401 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 21 [2020-12-09 11:15:03,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 11:15:03,402 INFO L225 Difference]: With dead ends: 135 [2020-12-09 11:15:03,402 INFO L226 Difference]: Without dead ends: 42 [2020-12-09 11:15:03,403 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 14.0s TimeCoverageRelationStatistics Valid=115, Invalid=390, Unknown=1, NotChecked=0, Total=506 [2020-12-09 11:15:03,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-12-09 11:15:03,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 36. [2020-12-09 11:15:03,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-12-09 11:15:03,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2020-12-09 11:15:03,408 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 21 [2020-12-09 11:15:03,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 11:15:03,408 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2020-12-09 11:15:03,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-09 11:15:03,408 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2020-12-09 11:15:03,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-09 11:15:03,409 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 11:15:03,409 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] [2020-12-09 11:15:03,610 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 11:15:03,611 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 11:15:03,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 11:15:03,613 INFO L82 PathProgramCache]: Analyzing trace with hash -558668800, now seen corresponding path program 1 times [2020-12-09 11:15:03,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 11:15:03,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [300178979] [2020-12-09 11:15:03,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cb46825-3b2f-4795-a79b-36179534237b/bin/utaipan/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 [2020-12-09 11:15:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 11:15:03,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 21 conjunts are in the unsatisfiable core [2020-12-09 11:15:03,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 11:15:03,890 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-09 11:15:03,891 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 11:15:03,927 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 11:15:03,928 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-09 11:15:03,928 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:47, output treesize:48 [2020-12-09 11:15:04,205 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 30 [2020-12-09 11:15:04,206 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-09 11:15:04,236 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 11:15:04,237 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-09 11:15:04,237 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:30 [2020-12-09 11:15:04,338 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 11:15:04,339 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 11:15:04,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:15:04,501 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 11:15:04,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [300178979] [2020-12-09 11:15:04,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 11:15:04,502 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-09 11:15:04,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654871453] [2020-12-09 11:15:04,502 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-09 11:15:04,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 11:15:04,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-09 11:15:04,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-12-09 11:15:04,503 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand 11 states. [2020-12-09 11:15:05,850 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-12-09 11:15:06,067 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2020-12-09 11:15:06,330 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-12-09 11:15:06,568 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-12-09 11:15:06,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 11:15:06,585 INFO L93 Difference]: Finished difference Result 54 states and 54 transitions. [2020-12-09 11:15:06,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-09 11:15:06,586 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 26 [2020-12-09 11:15:06,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 11:15:06,586 INFO L225 Difference]: With dead ends: 54 [2020-12-09 11:15:06,586 INFO L226 Difference]: Without dead ends: 36 [2020-12-09 11:15:06,587 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2020-12-09 11:15:06,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-12-09 11:15:06,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 27. [2020-12-09 11:15:06,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-12-09 11:15:06,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2020-12-09 11:15:06,590 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 26 [2020-12-09 11:15:06,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 11:15:06,590 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2020-12-09 11:15:06,590 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-09 11:15:06,590 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2020-12-09 11:15:06,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-09 11:15:06,591 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 11:15:06,591 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] [2020-12-09 11:15:06,792 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-09 11:15:06,793 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 11:15:06,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 11:15:06,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1435475906, now seen corresponding path program 1 times [2020-12-09 11:15:06,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 11:15:06,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [969220890] [2020-12-09 11:15:06,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cb46825-3b2f-4795-a79b-36179534237b/bin/utaipan/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 [2020-12-09 11:15:06,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 11:15:06,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 12 conjunts are in the unsatisfiable core [2020-12-09 11:15:06,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 11:15:07,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:15:07,327 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 11:15:07,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [969220890] [2020-12-09 11:15:07,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 11:15:07,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-09 11:15:07,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047608472] [2020-12-09 11:15:07,328 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 11:15:07,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 11:15:07,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 11:15:07,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-09 11:15:07,329 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand 6 states. [2020-12-09 11:15:07,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 11:15:07,786 INFO L93 Difference]: Finished difference Result 36 states and 35 transitions. [2020-12-09 11:15:07,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 11:15:07,787 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-12-09 11:15:07,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 11:15:07,788 INFO L225 Difference]: With dead ends: 36 [2020-12-09 11:15:07,788 INFO L226 Difference]: Without dead ends: 27 [2020-12-09 11:15:07,788 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-12-09 11:15:07,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-12-09 11:15:07,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-12-09 11:15:07,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-12-09 11:15:07,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2020-12-09 11:15:07,792 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 26 [2020-12-09 11:15:07,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 11:15:07,792 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2020-12-09 11:15:07,792 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 11:15:07,792 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2020-12-09 11:15:07,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-09 11:15:07,793 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 11:15:07,793 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] [2020-12-09 11:15:07,993 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-09 11:15:07,994 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 11:15:07,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 11:15:07,995 INFO L82 PathProgramCache]: Analyzing trace with hash 2115534276, now seen corresponding path program 1 times [2020-12-09 11:15:07,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 11:15:07,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2079937910] [2020-12-09 11:15:07,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cb46825-3b2f-4795-a79b-36179534237b/bin/utaipan/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 [2020-12-09 11:15:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 11:15:08,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 22 conjunts are in the unsatisfiable core [2020-12-09 11:15:08,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 11:15:08,227 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-09 11:15:08,228 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 11:15:08,262 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 11:15:08,264 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-09 11:15:08,265 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:33, output treesize:34 [2020-12-09 11:15:08,405 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 24 [2020-12-09 11:15:08,406 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-09 11:15:08,430 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 11:15:08,431 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-09 11:15:08,431 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:48, output treesize:24 [2020-12-09 11:15:08,950 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 11:15:08,951 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 11:15:09,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:15:09,147 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 11:15:09,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2079937910] [2020-12-09 11:15:09,147 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 11:15:09,147 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-12-09 11:15:09,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262973583] [2020-12-09 11:15:09,147 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-09 11:15:09,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 11:15:09,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-09 11:15:09,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2020-12-09 11:15:09,148 INFO L87 Difference]: Start difference. First operand 27 states and 26 transitions. Second operand 12 states. [2020-12-09 11:15:10,872 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-12-09 11:15:11,117 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2020-12-09 11:15:11,351 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-12-09 11:15:11,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 11:15:11,352 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2020-12-09 11:15:11,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-09 11:15:11,352 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 26 [2020-12-09 11:15:11,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 11:15:11,352 INFO L225 Difference]: With dead ends: 27 [2020-12-09 11:15:11,352 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 11:15:11,353 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2020-12-09 11:15:11,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 11:15:11,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 11:15:11,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 11:15:11,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 11:15:11,353 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-12-09 11:15:11,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 11:15:11,353 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 11:15:11,354 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-09 11:15:11,354 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 11:15:11,354 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 11:15:11,554 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-12-09 11:15:11,560 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 11:15:14,915 WARN L197 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 127 DAG size of output: 108 [2020-12-09 11:15:17,889 WARN L197 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 140 DAG size of output: 139 [2020-12-09 11:15:26,501 WARN L197 SmtUtils]: Spent 8.56 s on a formula simplification. DAG size of input: 137 DAG size of output: 118 [2020-12-09 11:15:26,515 INFO L262 CegarLoopResult]: For program point L168(lines 168 172) no Hoare annotation was computed. [2020-12-09 11:15:26,515 INFO L262 CegarLoopResult]: For program point L168-1(lines 159 173) no Hoare annotation was computed. [2020-12-09 11:15:26,516 INFO L262 CegarLoopResult]: For program point L202-1(lines 202 206) no Hoare annotation was computed. [2020-12-09 11:15:26,516 INFO L258 CegarLoopResult]: At program point L202-2(lines 202 206) the Hoare annotation is: false [2020-12-09 11:15:26,516 INFO L262 CegarLoopResult]: For program point L136-1(lines 136 140) no Hoare annotation was computed. [2020-12-09 11:15:26,516 INFO L262 CegarLoopResult]: For program point L202-3(lines 202 206) no Hoare annotation was computed. [2020-12-09 11:15:26,516 INFO L258 CegarLoopResult]: At program point L136-2(lines 136 140) the Hoare annotation is: false [2020-12-09 11:15:26,516 INFO L262 CegarLoopResult]: For program point L37(lines 37 41) no Hoare annotation was computed. [2020-12-09 11:15:26,516 INFO L262 CegarLoopResult]: For program point L37-2(lines 37 41) no Hoare annotation was computed. [2020-12-09 11:15:26,516 INFO L262 CegarLoopResult]: For program point L37-3(lines 37 41) no Hoare annotation was computed. [2020-12-09 11:15:26,516 INFO L262 CegarLoopResult]: For program point L37-5(lines 37 41) no Hoare annotation was computed. [2020-12-09 11:15:26,516 INFO L262 CegarLoopResult]: For program point L236(lines 236 239) no Hoare annotation was computed. [2020-12-09 11:15:26,516 INFO L262 CegarLoopResult]: For program point L38-2(lines 38 39) no Hoare annotation was computed. [2020-12-09 11:15:26,516 INFO L258 CegarLoopResult]: At program point L38-3(lines 38 39) the Hoare annotation is: false [2020-12-09 11:15:26,516 INFO L262 CegarLoopResult]: For program point L38-4(lines 38 39) no Hoare annotation was computed. [2020-12-09 11:15:26,516 INFO L262 CegarLoopResult]: For program point L38-7(lines 38 39) no Hoare annotation was computed. [2020-12-09 11:15:26,516 INFO L258 CegarLoopResult]: At program point L38-8(lines 38 39) the Hoare annotation is: false [2020-12-09 11:15:26,517 INFO L262 CegarLoopResult]: For program point L38-9(lines 38 39) no Hoare annotation was computed. [2020-12-09 11:15:26,517 INFO L262 CegarLoopResult]: For program point L237(line 237) no Hoare annotation was computed. [2020-12-09 11:15:26,517 INFO L265 CegarLoopResult]: At program point L240(lines 224 241) the Hoare annotation is: true [2020-12-09 11:15:26,517 INFO L262 CegarLoopResult]: For program point L141(lines 141 145) no Hoare annotation was computed. [2020-12-09 11:15:26,517 INFO L262 CegarLoopResult]: For program point L141-1(lines 123 146) no Hoare annotation was computed. [2020-12-09 11:15:26,517 INFO L262 CegarLoopResult]: For program point L75-1(lines 75 79) no Hoare annotation was computed. [2020-12-09 11:15:26,517 INFO L258 CegarLoopResult]: At program point L75-2(lines 75 79) the Hoare annotation is: false [2020-12-09 11:15:26,517 INFO L262 CegarLoopResult]: For program point L75-3(lines 75 79) no Hoare annotation was computed. [2020-12-09 11:15:26,517 INFO L262 CegarLoopResult]: For program point L75-5(lines 75 79) no Hoare annotation was computed. [2020-12-09 11:15:26,517 INFO L258 CegarLoopResult]: At program point L75-6(lines 75 79) the Hoare annotation is: false [2020-12-09 11:15:26,517 INFO L262 CegarLoopResult]: For program point L75-7(lines 75 79) no Hoare annotation was computed. [2020-12-09 11:15:26,517 INFO L262 CegarLoopResult]: For program point L109(lines 109 113) no Hoare annotation was computed. [2020-12-09 11:15:26,517 INFO L262 CegarLoopResult]: For program point L109-1(lines 83 210) no Hoare annotation was computed. [2020-12-09 11:15:26,518 INFO L258 CegarLoopResult]: At program point L209(lines 83 210) the Hoare annotation is: (let ((.cse6 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (let ((.cse8 (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_26 (_ BitVec 32))) (= ULTIMATE.start___ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_26)))) (.cse4 (= currentRoundingMode roundNearestTiesToEven)) (.cse7 (= ULTIMATE.start___ieee754_hypotf_~y .cse6))) (or (let ((.cse5 (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)))) (and (exists ((|v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_5| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_5|) (_ bv0 32)))) (and (= (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) ULTIMATE.start___ieee754_hypotf_~b~0) (= .cse0 ULTIMATE.start___ieee754_hypotf_~hb~0)))) (exists ((|v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_5| (_ BitVec 32)) (v_ULTIMATE.start___ieee754_hypotf_~ha~0_26 (_ BitVec 32)) (ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32))) (let ((.cse2 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_26)) (.cse3 (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))) (.cse1 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_5|) (_ bv0 32)))) (and (= .cse1 .cse2) (bvsgt (bvadd (bvneg .cse2) ULTIMATE.start___ieee754_hypotf_~ha~0) (_ bv251658240 32)) (= .cse3 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) (= |ULTIMATE.start___ieee754_hypotf_#res| (fp.add roundNearestTiesToEven .cse3 (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))))))) .cse4 (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_26 (_ BitVec 32))) (= ULTIMATE.start___ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_26))) (= .cse5 .cse6) (= .cse5 ULTIMATE.start___ieee754_hypotf_~a~0) .cse7)) (and .cse8 (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_31 (_ BitVec 32)) (v_ULTIMATE.start___ieee754_hypotf_~ha~0_28 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse9 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_28))) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= .cse9 ULTIMATE.start___ieee754_hypotf_~hb~0) (bvsgt v_ULTIMATE.start___ieee754_hypotf_~hb~0_31 .cse9)))) (exists ((v_arrayElimCell_5 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse10 (fp ((_ extract 31 31) v_arrayElimCell_5) ((_ extract 30 23) v_arrayElimCell_5) ((_ extract 22 0) v_arrayElimCell_5)))) (and (= .cse10 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= .cse10 ULTIMATE.start___ieee754_hypotf_~w~0)))) .cse4 (exists ((v_arrayElimCell_5 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse11 (fp ((_ extract 31 31) v_arrayElimCell_5) ((_ extract 30 23) v_arrayElimCell_5) ((_ extract 22 0) v_arrayElimCell_5)))) (and (= .cse11 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= .cse11 ULTIMATE.start___ieee754_hypotf_~a~0)))) (exists ((v_arrayElimCell_5 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse12 (fp ((_ extract 31 31) v_arrayElimCell_5) ((_ extract 30 23) v_arrayElimCell_5) ((_ extract 22 0) v_arrayElimCell_5)))) (and (= .cse12 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= .cse12 |ULTIMATE.start___ieee754_hypotf_#res|)))) .cse7) (and (exists ((|v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6| (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse13 (let ((.cse14 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6|) (_ bv0 32)))) (fp ((_ extract 31 31) .cse14) ((_ extract 30 23) .cse14) ((_ extract 22 0) .cse14))))) (and (= .cse13 ULTIMATE.start___ieee754_hypotf_~w~0) (= .cse13 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) .cse8 (exists ((|v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6| (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse15 (let ((.cse16 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6|) (_ bv0 32)))) (fp ((_ extract 31 31) .cse16) ((_ extract 30 23) .cse16) ((_ extract 22 0) .cse16))))) (and (= .cse15 |ULTIMATE.start___ieee754_hypotf_#res|) (= .cse15 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) (exists ((|v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6| (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse17 (let ((.cse18 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6|) (_ bv0 32)))) (fp ((_ extract 31 31) .cse18) ((_ extract 30 23) .cse18) ((_ extract 22 0) .cse18))))) (and (= .cse17 ULTIMATE.start___ieee754_hypotf_~b~0) (= .cse17 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) .cse4 (exists ((currentRoundingMode RoundingMode)) (= (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.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) .cse7)))) [2020-12-09 11:15:26,518 INFO L262 CegarLoopResult]: For program point L44(lines 44 45) no Hoare annotation was computed. [2020-12-09 11:15:26,518 INFO L262 CegarLoopResult]: For program point L44-2(lines 44 45) no Hoare annotation was computed. [2020-12-09 11:15:26,518 INFO L262 CegarLoopResult]: For program point L44-3(lines 44 45) no Hoare annotation was computed. [2020-12-09 11:15:26,518 INFO L262 CegarLoopResult]: For program point L44-5(lines 44 45) no Hoare annotation was computed. [2020-12-09 11:15:26,518 INFO L262 CegarLoopResult]: For program point L177(lines 177 200) no Hoare annotation was computed. [2020-12-09 11:15:26,518 INFO L262 CegarLoopResult]: For program point L177-2(lines 83 210) no Hoare annotation was computed. [2020-12-09 11:15:26,518 INFO L262 CegarLoopResult]: For program point L178-1(lines 178 182) no Hoare annotation was computed. [2020-12-09 11:15:26,518 INFO L258 CegarLoopResult]: At program point L178-2(lines 178 182) the Hoare annotation is: false [2020-12-09 11:15:26,518 INFO L262 CegarLoopResult]: For program point L178-3(lines 178 182) no Hoare annotation was computed. [2020-12-09 11:15:26,519 INFO L258 CegarLoopResult]: At program point L80(lines 16 81) the Hoare annotation is: false [2020-12-09 11:15:26,519 INFO L258 CegarLoopResult]: At program point L80-1(lines 16 81) the Hoare annotation is: false [2020-12-09 11:15:26,519 INFO L262 CegarLoopResult]: For program point L147(lines 147 174) no Hoare annotation was computed. [2020-12-09 11:15:26,519 INFO L262 CegarLoopResult]: For program point L114(lines 114 118) no Hoare annotation was computed. [2020-12-09 11:15:26,519 INFO L262 CegarLoopResult]: For program point L114-1(lines 83 210) no Hoare annotation was computed. [2020-12-09 11:15:26,519 INFO L262 CegarLoopResult]: For program point L114-2(lines 83 210) no Hoare annotation was computed. [2020-12-09 11:15:26,519 INFO L262 CegarLoopResult]: For program point L148(lines 148 173) no Hoare annotation was computed. [2020-12-09 11:15:26,519 INFO L262 CegarLoopResult]: For program point L215-1(lines 215 219) no Hoare annotation was computed. [2020-12-09 11:15:26,520 INFO L258 CegarLoopResult]: At program point L215-2(lines 215 219) the Hoare annotation is: (let ((.cse6 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (let ((.cse11 (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_26 (_ BitVec 32))) (= ULTIMATE.start___ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_26)))) (.cse4 (= currentRoundingMode roundNearestTiesToEven)) (.cse10 (= ULTIMATE.start___ieee754_hypotf_~y .cse6))) (or (let ((.cse5 (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)))) (and (exists ((|v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_5| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_5|) (_ bv0 32)))) (and (= (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) ULTIMATE.start___ieee754_hypotf_~b~0) (= .cse0 ULTIMATE.start___ieee754_hypotf_~hb~0)))) (exists ((|v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_5| (_ BitVec 32)) (v_ULTIMATE.start___ieee754_hypotf_~ha~0_26 (_ BitVec 32)) (ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32))) (let ((.cse2 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_26)) (.cse3 (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))) (.cse1 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_5|) (_ bv0 32)))) (and (= .cse1 .cse2) (bvsgt (bvadd (bvneg .cse2) ULTIMATE.start___ieee754_hypotf_~ha~0) (_ bv251658240 32)) (= .cse3 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) (= |ULTIMATE.start___ieee754_hypotf_#res| (fp.add roundNearestTiesToEven .cse3 (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))))))) .cse4 (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_26 (_ BitVec 32))) (= ULTIMATE.start___ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_26))) (= .cse5 .cse6) (exists ((|v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_5| (_ BitVec 32)) (v_ULTIMATE.start___ieee754_hypotf_~ha~0_26 (_ BitVec 32)) (ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32))) (let ((.cse8 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_26)) (.cse9 (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))) (.cse7 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_5|) (_ bv0 32)))) (and (= .cse7 .cse8) (bvsgt (bvadd (bvneg .cse8) ULTIMATE.start___ieee754_hypotf_~ha~0) (_ bv251658240 32)) (= .cse9 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) (= (fp.add roundNearestTiesToEven .cse9 (fp ((_ extract 31 31) .cse7) ((_ extract 30 23) .cse7) ((_ extract 22 0) .cse7))) ULTIMATE.start_isinf_float_~x)))) (= .cse5 ULTIMATE.start___ieee754_hypotf_~a~0) .cse10)) (and .cse11 (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_31 (_ BitVec 32)) (v_ULTIMATE.start___ieee754_hypotf_~ha~0_28 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse12 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_28))) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= .cse12 ULTIMATE.start___ieee754_hypotf_~hb~0) (bvsgt v_ULTIMATE.start___ieee754_hypotf_~hb~0_31 .cse12)))) (exists ((v_arrayElimCell_5 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse13 (fp ((_ extract 31 31) v_arrayElimCell_5) ((_ extract 30 23) v_arrayElimCell_5) ((_ extract 22 0) v_arrayElimCell_5)))) (and (= .cse13 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= .cse13 ULTIMATE.start___ieee754_hypotf_~w~0)))) .cse4 (exists ((v_arrayElimCell_5 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse14 (fp ((_ extract 31 31) v_arrayElimCell_5) ((_ extract 30 23) v_arrayElimCell_5) ((_ extract 22 0) v_arrayElimCell_5)))) (and (= .cse14 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= .cse14 ULTIMATE.start___ieee754_hypotf_~a~0)))) (exists ((v_arrayElimCell_5 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse15 (fp ((_ extract 31 31) v_arrayElimCell_5) ((_ extract 30 23) v_arrayElimCell_5) ((_ extract 22 0) v_arrayElimCell_5)))) (and (= .cse15 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= .cse15 ULTIMATE.start_isinf_float_~x)))) (exists ((v_arrayElimCell_5 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse16 (fp ((_ extract 31 31) v_arrayElimCell_5) ((_ extract 30 23) v_arrayElimCell_5) ((_ extract 22 0) v_arrayElimCell_5)))) (and (= .cse16 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= .cse16 |ULTIMATE.start___ieee754_hypotf_#res|)))) .cse10) (and (exists ((|v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6| (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse17 (let ((.cse18 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6|) (_ bv0 32)))) (fp ((_ extract 31 31) .cse18) ((_ extract 30 23) .cse18) ((_ extract 22 0) .cse18))))) (and (= .cse17 ULTIMATE.start___ieee754_hypotf_~w~0) (= .cse17 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) .cse11 (exists ((|v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6| (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse19 (let ((.cse20 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6|) (_ bv0 32)))) (fp ((_ extract 31 31) .cse20) ((_ extract 30 23) .cse20) ((_ extract 22 0) .cse20))))) (and (= .cse19 |ULTIMATE.start___ieee754_hypotf_#res|) (= .cse19 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) (exists ((|v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6| (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse21 (let ((.cse22 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6|) (_ bv0 32)))) (fp ((_ extract 31 31) .cse22) ((_ extract 30 23) .cse22) ((_ extract 22 0) .cse22))))) (and (= .cse21 ULTIMATE.start___ieee754_hypotf_~b~0) (= .cse21 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) .cse4 (exists ((|v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6| (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse23 (let ((.cse24 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6|) (_ bv0 32)))) (fp ((_ extract 31 31) .cse24) ((_ extract 30 23) .cse24) ((_ extract 22 0) .cse24))))) (and (= .cse23 ULTIMATE.start_isinf_float_~x) (= .cse23 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) (exists ((currentRoundingMode RoundingMode)) (= (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.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) .cse10)))) [2020-12-09 11:15:26,520 INFO L262 CegarLoopResult]: For program point L215-3(lines 215 219) no Hoare annotation was computed. [2020-12-09 11:15:26,520 INFO L262 CegarLoopResult]: For program point L150(lines 150 173) no Hoare annotation was computed. [2020-12-09 11:15:26,520 INFO L262 CegarLoopResult]: For program point L151-1(lines 151 155) no Hoare annotation was computed. [2020-12-09 11:15:26,520 INFO L258 CegarLoopResult]: At program point L151-2(lines 151 155) the Hoare annotation is: false [2020-12-09 11:15:26,520 INFO L262 CegarLoopResult]: For program point L151-3(lines 151 155) no Hoare annotation was computed. [2020-12-09 11:15:26,520 INFO L258 CegarLoopResult]: At program point L52-2(lines 52 61) the Hoare annotation is: false [2020-12-09 11:15:26,520 INFO L262 CegarLoopResult]: For program point L52-3(lines 16 81) no Hoare annotation was computed. [2020-12-09 11:15:26,520 INFO L258 CegarLoopResult]: At program point L52-6(lines 52 61) the Hoare annotation is: false [2020-12-09 11:15:26,520 INFO L262 CegarLoopResult]: For program point L52-7(lines 16 81) no Hoare annotation was computed. [2020-12-09 11:15:26,520 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 11:15:26,520 INFO L262 CegarLoopResult]: For program point L87-1(lines 87 91) no Hoare annotation was computed. [2020-12-09 11:15:26,520 INFO L262 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2020-12-09 11:15:26,520 INFO L258 CegarLoopResult]: At program point L87-2(lines 87 91) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_hypotf_~y (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) [2020-12-09 11:15:26,520 INFO L262 CegarLoopResult]: For program point L87-3(lines 87 91) no Hoare annotation was computed. [2020-12-09 11:15:26,520 INFO L262 CegarLoopResult]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2020-12-09 11:15:26,521 INFO L262 CegarLoopResult]: For program point L54-2(lines 54 58) no Hoare annotation was computed. [2020-12-09 11:15:26,521 INFO L258 CegarLoopResult]: At program point L21-2(lines 21 25) the Hoare annotation is: false [2020-12-09 11:15:26,521 INFO L262 CegarLoopResult]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2020-12-09 11:15:26,521 INFO L262 CegarLoopResult]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2020-12-09 11:15:26,521 INFO L262 CegarLoopResult]: For program point L54-5(lines 54 58) no Hoare annotation was computed. [2020-12-09 11:15:26,521 INFO L262 CegarLoopResult]: For program point L21-5(lines 21 25) no Hoare annotation was computed. [2020-12-09 11:15:26,521 INFO L258 CegarLoopResult]: At program point L21-6(lines 21 25) the Hoare annotation is: false [2020-12-09 11:15:26,521 INFO L262 CegarLoopResult]: For program point L21-7(lines 21 25) no Hoare annotation was computed. [2020-12-09 11:15:26,521 INFO L262 CegarLoopResult]: For program point L187-1(lines 187 191) no Hoare annotation was computed. [2020-12-09 11:15:26,521 INFO L258 CegarLoopResult]: At program point L187-2(lines 187 191) the Hoare annotation is: false [2020-12-09 11:15:26,521 INFO L262 CegarLoopResult]: For program point L187-3(lines 187 191) no Hoare annotation was computed. [2020-12-09 11:15:26,522 INFO L258 CegarLoopResult]: At program point L221(lines 213 222) the Hoare annotation is: (let ((.cse15 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (let ((.cse6 (= currentRoundingMode roundNearestTiesToEven)) (.cse9 (= (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse11 (= ULTIMATE.start___ieee754_hypotf_~y .cse15))) (or (and (exists ((|v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6| (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse0 (let ((.cse1 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6|) (_ bv0 32)))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))))) (and (= .cse0 ULTIMATE.start___ieee754_hypotf_~w~0) (= .cse0 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_26 (_ BitVec 32))) (= ULTIMATE.start___ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_26))) (exists ((|v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6| (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse2 (let ((.cse3 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6|) (_ bv0 32)))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))))) (and (= .cse2 |ULTIMATE.start___ieee754_hypotf_#res|) (= .cse2 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) (exists ((|v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6| (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse4 (let ((.cse5 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6|) (_ bv0 32)))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (and (= .cse4 ULTIMATE.start___ieee754_hypotf_~b~0) (= .cse4 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) .cse6 (exists ((|v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6| (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse7 (let ((.cse8 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6|) (_ bv0 32)))) (fp ((_ extract 31 31) .cse8) ((_ extract 30 23) .cse8) ((_ extract 22 0) .cse8))))) (and (= .cse7 ULTIMATE.start_isinf_float_~x) (= .cse7 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) .cse9 (exists ((v_arrayElimCell_4 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse10 (fp ((_ extract 31 31) v_arrayElimCell_4) ((_ extract 30 23) v_arrayElimCell_4) ((_ extract 22 0) v_arrayElimCell_4)))) (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)) .cse10) (= .cse10 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) (exists ((currentRoundingMode RoundingMode)) (= (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.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) .cse11) (and .cse6 (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_26 (_ BitVec 32)) (ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32))) (let ((.cse13 (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))) (.cse12 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_26))) (and (bvsgt (bvadd (bvneg .cse12) ULTIMATE.start___ieee754_hypotf_~ha~0) (_ bv251658240 32)) (= .cse13 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) (= (fp.add roundNearestTiesToEven .cse13 (fp ((_ extract 31 31) .cse12) ((_ extract 30 23) .cse12) ((_ extract 22 0) .cse12))) (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_26 (_ BitVec 32))) (= ULTIMATE.start___ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_26))) (exists ((|v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1.base_5| (_ BitVec 32))) (let ((.cse14 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1.base_5|) (_ bv0 32)))) (and (= .cse14 ULTIMATE.start___ieee754_hypotf_~ha~0) (= ULTIMATE.start___ieee754_hypotf_~a~0 (fp ((_ extract 31 31) .cse14) ((_ extract 30 23) .cse14) ((_ extract 22 0) .cse14)))))) .cse9 (= (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)) .cse15) .cse11) (and (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_28 (_ BitVec 32))) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_28) ULTIMATE.start___ieee754_hypotf_~ha~0)) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_31 (_ BitVec 32)) (v_ULTIMATE.start___ieee754_hypotf_~ha~0_28 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse16 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_28))) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= .cse16 ULTIMATE.start___ieee754_hypotf_~hb~0) (bvsgt v_ULTIMATE.start___ieee754_hypotf_~hb~0_31 .cse16)))) (exists ((v_arrayElimCell_5 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse17 (fp ((_ extract 31 31) v_arrayElimCell_5) ((_ extract 30 23) v_arrayElimCell_5) ((_ extract 22 0) v_arrayElimCell_5)))) (and (= .cse17 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= .cse17 ULTIMATE.start___ieee754_hypotf_~w~0)))) .cse6 (exists ((v_arrayElimCell_5 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse18 (fp ((_ extract 31 31) v_arrayElimCell_5) ((_ extract 30 23) v_arrayElimCell_5) ((_ extract 22 0) v_arrayElimCell_5)))) (and (= .cse18 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= .cse18 ULTIMATE.start___ieee754_hypotf_~a~0)))) .cse9 (exists ((v_arrayElimCell_5 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse19 (fp ((_ extract 31 31) v_arrayElimCell_5) ((_ extract 30 23) v_arrayElimCell_5) ((_ extract 22 0) v_arrayElimCell_5)))) (and (= .cse19 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= .cse19 (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_arrayElimCell_5 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse20 (fp ((_ extract 31 31) v_arrayElimCell_5) ((_ extract 30 23) v_arrayElimCell_5) ((_ extract 22 0) v_arrayElimCell_5)))) (and (= .cse20 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= .cse20 ULTIMATE.start_isinf_float_~x)))) (exists ((v_arrayElimCell_5 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse21 (fp ((_ extract 31 31) v_arrayElimCell_5) ((_ extract 30 23) v_arrayElimCell_5) ((_ extract 22 0) v_arrayElimCell_5)))) (and (= .cse21 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= .cse21 |ULTIMATE.start___ieee754_hypotf_#res|)))) .cse11)))) [2020-12-09 11:15:26,522 INFO L262 CegarLoopResult]: For program point L123(lines 123 146) no Hoare annotation was computed. [2020-12-09 11:15:26,522 INFO L262 CegarLoopResult]: For program point L123-1(lines 83 210) no Hoare annotation was computed. [2020-12-09 11:15:26,522 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 11:15:26,522 INFO L262 CegarLoopResult]: For program point L124(lines 124 131) no Hoare annotation was computed. [2020-12-09 11:15:26,522 INFO L262 CegarLoopResult]: For program point L126(lines 126 127) no Hoare annotation was computed. [2020-12-09 11:15:26,522 INFO L262 CegarLoopResult]: For program point L93-1(lines 93 97) no Hoare annotation was computed. [2020-12-09 11:15:26,522 INFO L262 CegarLoopResult]: For program point L126-2(lines 124 131) no Hoare annotation was computed. [2020-12-09 11:15:26,522 INFO L258 CegarLoopResult]: At program point L93-2(lines 93 97) the Hoare annotation is: (and (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_26 (_ BitVec 32))) (= ULTIMATE.start___ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_26))) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_hypotf_~y (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) [2020-12-09 11:15:26,522 INFO L262 CegarLoopResult]: For program point L93-3(lines 93 97) no Hoare annotation was computed. [2020-12-09 11:15:26,522 INFO L262 CegarLoopResult]: For program point L193-1(lines 193 197) no Hoare annotation was computed. [2020-12-09 11:15:26,522 INFO L258 CegarLoopResult]: At program point L193-2(lines 193 197) the Hoare annotation is: false [2020-12-09 11:15:26,522 INFO L262 CegarLoopResult]: For program point L193-3(lines 193 197) no Hoare annotation was computed. [2020-12-09 11:15:26,522 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 11:15:26,523 INFO L262 CegarLoopResult]: For program point L28(lines 28 29) no Hoare annotation was computed. [2020-12-09 11:15:26,523 INFO L262 CegarLoopResult]: For program point L28-1(lines 28 29) no Hoare annotation was computed. [2020-12-09 11:15:26,523 INFO L262 CegarLoopResult]: For program point L128-1(lines 128 129) no Hoare annotation was computed. [2020-12-09 11:15:26,523 INFO L262 CegarLoopResult]: For program point L63(lines 63 72) no Hoare annotation was computed. [2020-12-09 11:15:26,523 INFO L262 CegarLoopResult]: For program point L63-1(lines 63 72) no Hoare annotation was computed. [2020-12-09 11:15:26,523 INFO L262 CegarLoopResult]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2020-12-09 11:15:26,523 INFO L258 CegarLoopResult]: At program point L163-2(lines 163 167) the Hoare annotation is: false [2020-12-09 11:15:26,523 INFO L262 CegarLoopResult]: For program point L31(lines 31 32) no Hoare annotation was computed. [2020-12-09 11:15:26,523 INFO L262 CegarLoopResult]: For program point L31-1(lines 31 32) no Hoare annotation was computed. [2020-12-09 11:15:26,523 INFO L262 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-12-09 11:15:26,523 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 11:15:26,523 INFO L262 CegarLoopResult]: For program point L65-2(lines 65 71) no Hoare annotation was computed. [2020-12-09 11:15:26,523 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 237) no Hoare annotation was computed. [2020-12-09 11:15:26,523 INFO L262 CegarLoopResult]: For program point L99(lines 99 108) no Hoare annotation was computed. [2020-12-09 11:15:26,523 INFO L262 CegarLoopResult]: For program point L33(lines 33 34) no Hoare annotation was computed. [2020-12-09 11:15:26,523 INFO L262 CegarLoopResult]: For program point L33-1(lines 33 34) no Hoare annotation was computed. [2020-12-09 11:15:26,523 INFO L262 CegarLoopResult]: For program point L67(lines 67 70) no Hoare annotation was computed. [2020-12-09 11:15:26,523 INFO L262 CegarLoopResult]: For program point L67-3(lines 67 70) no Hoare annotation was computed. [2020-12-09 11:15:26,530 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0_26,QUANTIFIED] [2020-12-09 11:15:26,532 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 11:15:26,534 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0_26,QUANTIFIED] [2020-12-09 11:15:26,534 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 11:15:26,535 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:211) 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:456) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:135) 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:796) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:283) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:240) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) 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) [2020-12-09 11:15:26,538 INFO L168 Benchmark]: Toolchain (without parser) took 58699.65 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 36.0 MB in the beginning and 23.5 MB in the end (delta: 12.5 MB). Peak memory consumption was 35.4 MB. Max. memory is 16.1 GB. [2020-12-09 11:15:26,538 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 56.6 MB. Free memory was 39.4 MB in the beginning and 39.3 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 11:15:26,538 INFO L168 Benchmark]: CACSL2BoogieTranslator took 262.12 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 35.9 MB in the beginning and 59.5 MB in the end (delta: -23.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 11:15:26,539 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.17 ms. Allocated memory is still 77.6 MB. Free memory was 59.5 MB in the beginning and 56.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 11:15:26,539 INFO L168 Benchmark]: Boogie Preprocessor took 41.40 ms. Allocated memory is still 77.6 MB. Free memory was 56.9 MB in the beginning and 54.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 11:15:26,540 INFO L168 Benchmark]: RCFGBuilder took 9477.35 ms. Allocated memory is still 77.6 MB. Free memory was 54.0 MB in the beginning and 47.0 MB in the end (delta: 7.0 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. [2020-12-09 11:15:26,540 INFO L168 Benchmark]: TraceAbstraction took 48869.11 ms. Allocated memory is still 77.6 MB. Free memory was 46.6 MB in the beginning and 23.5 MB in the end (delta: 23.1 MB). Peak memory consumption was 26.5 MB. Max. memory is 16.1 GB. [2020-12-09 11:15:26,542 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 56.6 MB. Free memory was 39.4 MB in the beginning and 39.3 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 262.12 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 35.9 MB in the beginning and 59.5 MB in the end (delta: -23.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.17 ms. Allocated memory is still 77.6 MB. Free memory was 59.5 MB in the beginning and 56.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.40 ms. Allocated memory is still 77.6 MB. Free memory was 56.9 MB in the beginning and 54.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 9477.35 ms. Allocated memory is still 77.6 MB. Free memory was 54.0 MB in the beginning and 47.0 MB in the end (delta: 7.0 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 48869.11 ms. Allocated memory is still 77.6 MB. Free memory was 46.6 MB in the beginning and 23.5 MB in the end (delta: 23.1 MB). Peak memory consumption was 26.5 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_ULTIMATE.start___ieee754_hypotf_~ha~0_26,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_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 237]: call to reach_error is unreachable For all program executions holds that call to reach_error is 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 [2020-12-09 11:15:26,547 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-12-09 11:15:26,547 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0_26,QUANTIFIED] [2020-12-09 11:15:26,547 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 11:15:26,547 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-12-09 11:15:26,547 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0_26,QUANTIFIED] [2020-12-09 11:15:26,547 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((\exists v_ULTIMATE.start___ieee754_hypotf_~ha~0_26 : bv32 :: ULTIMATE.start___ieee754_hypotf_~ha~0 == ~bvand32(2147483647bv32, v_ULTIMATE.start___ieee754_hypotf_~ha~0_26)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && y == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 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:211) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...