./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0730b.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_worker_vcloud-master_on_vcloud-master/run_dir_38ebd1c6-be00-4f31-afdf-8a8e2906d9bb/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ebd1c6-be00-4f31-afdf-8a8e2906d9bb/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ebd1c6-be00-4f31-afdf-8a8e2906d9bb/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ebd1c6-be00-4f31-afdf-8a8e2906d9bb/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0730b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ebd1c6-be00-4f31-afdf-8a8e2906d9bb/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ebd1c6-be00-4f31-afdf-8a8e2906d9bb/bin/uautomizer-Z5i5R5N3CC --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8e7d1cf180b9d7ec82be720739bf017cddebb7c7 ................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ebd1c6-be00-4f31-afdf-8a8e2906d9bb/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ebd1c6-be00-4f31-afdf-8a8e2906d9bb/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ebd1c6-be00-4f31-afdf-8a8e2906d9bb/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ebd1c6-be00-4f31-afdf-8a8e2906d9bb/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0730b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ebd1c6-be00-4f31-afdf-8a8e2906d9bb/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ebd1c6-be00-4f31-afdf-8a8e2906d9bb/bin/uautomizer-Z5i5R5N3CC --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8e7d1cf180b9d7ec82be720739bf017cddebb7c7 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:21:33,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:21:33,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:21:33,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:21:33,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:21:33,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:21:33,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:21:33,270 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:21:33,272 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:21:33,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:21:33,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:21:33,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:21:33,281 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:21:33,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:21:33,290 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:21:33,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:21:33,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:21:33,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:21:33,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:21:33,304 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:21:33,310 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:21:33,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:21:33,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:21:33,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:21:33,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:21:33,323 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:21:33,323 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:21:33,326 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:21:33,327 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:21:33,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:21:33,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:21:33,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:21:33,333 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:21:33,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:21:33,336 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:21:33,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:21:33,337 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:21:33,337 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:21:33,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:21:33,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:21:33,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:21:33,340 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ebd1c6-be00-4f31-afdf-8a8e2906d9bb/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:21:33,370 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:21:33,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:21:33,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:21:33,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:21:33,372 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:21:33,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:21:33,373 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:21:33,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:21:33,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:21:33,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:21:33,381 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:21:33,381 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:21:33,381 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:21:33,382 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:21:33,382 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:21:33,382 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:21:33,382 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:21:33,382 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:21:33,383 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:21:33,383 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:21:33,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:21:33,383 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:21:33,383 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:21:33,384 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:21:33,384 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:21:33,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:21:33,384 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:21:33,384 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:21:33,384 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ebd1c6-be00-4f31-afdf-8a8e2906d9bb/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ebd1c6-be00-4f31-afdf-8a8e2906d9bb/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e7d1cf180b9d7ec82be720739bf017cddebb7c7 [2021-10-11 00:21:33,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:21:33,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:21:33,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:21:33,707 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:21:33,708 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:21:33,709 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ebd1c6-be00-4f31-afdf-8a8e2906d9bb/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/float-newlib/double_req_bl_0730b.c [2021-10-11 00:21:33,796 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ebd1c6-be00-4f31-afdf-8a8e2906d9bb/bin/uautomizer-Z5i5R5N3CC/data/7c1bee202/96a2a8075c6e41e98a03e979d1b509cf/FLAG429f172d2 [2021-10-11 00:21:34,260 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:21:34,261 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ebd1c6-be00-4f31-afdf-8a8e2906d9bb/sv-benchmarks/c/float-newlib/double_req_bl_0730b.c [2021-10-11 00:21:34,269 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ebd1c6-be00-4f31-afdf-8a8e2906d9bb/bin/uautomizer-Z5i5R5N3CC/data/7c1bee202/96a2a8075c6e41e98a03e979d1b509cf/FLAG429f172d2 [2021-10-11 00:21:34,283 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ebd1c6-be00-4f31-afdf-8a8e2906d9bb/bin/uautomizer-Z5i5R5N3CC/data/7c1bee202/96a2a8075c6e41e98a03e979d1b509cf [2021-10-11 00:21:34,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:21:34,288 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:21:34,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:21:34,290 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:21:34,293 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:21:34,294 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:21:34" (1/1) ... [2021-10-11 00:21:34,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69ae71b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:34, skipping insertion in model container [2021-10-11 00:21:34,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:21:34" (1/1) ... [2021-10-11 00:21:34,304 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:21:34,325 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:21:34,618 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ebd1c6-be00-4f31-afdf-8a8e2906d9bb/sv-benchmarks/c/float-newlib/double_req_bl_0730b.c[3225,3238] [2021-10-11 00:21:34,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:21:34,639 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:21:34,707 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ebd1c6-be00-4f31-afdf-8a8e2906d9bb/sv-benchmarks/c/float-newlib/double_req_bl_0730b.c[3225,3238] [2021-10-11 00:21:34,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:21:34,728 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:21:34,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:34 WrapperNode [2021-10-11 00:21:34,729 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:21:34,730 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:21:34,730 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:21:34,730 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:21:34,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:34" (1/1) ... [2021-10-11 00:21:34,748 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:34" (1/1) ... [2021-10-11 00:21:34,790 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:21:34,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:21:34,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:21:34,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:21:34,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:34" (1/1) ... [2021-10-11 00:21:34,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:34" (1/1) ... [2021-10-11 00:21:34,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:34" (1/1) ... [2021-10-11 00:21:34,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:34" (1/1) ... [2021-10-11 00:21:34,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:34" (1/1) ... [2021-10-11 00:21:34,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:34" (1/1) ... [2021-10-11 00:21:34,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:34" (1/1) ... [2021-10-11 00:21:34,833 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:21:34,834 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:21:34,834 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:21:34,843 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:21:34,847 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:34" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ebd1c6-be00-4f31-afdf-8a8e2906d9bb/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:21:34,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:21:34,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:21:34,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-11 00:21:34,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-11 00:21:34,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-11 00:21:34,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:21:34,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:21:34,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-11 00:21:34,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 00:21:35,470 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:21:35,470 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2021-10-11 00:21:35,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:21:35 BoogieIcfgContainer [2021-10-11 00:21:35,472 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:21:35,474 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:21:35,484 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:21:35,488 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:21:35,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:21:34" (1/3) ... [2021-10-11 00:21:35,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ed261d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:21:35, skipping insertion in model container [2021-10-11 00:21:35,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:34" (2/3) ... [2021-10-11 00:21:35,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ed261d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:21:35, skipping insertion in model container [2021-10-11 00:21:35,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:21:35" (3/3) ... [2021-10-11 00:21:35,491 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0730b.c [2021-10-11 00:21:35,513 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:21:35,516 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 00:21:35,526 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 00:21:35,551 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:21:35,551 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:21:35,551 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:21:35,551 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:21:35,552 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:21:35,552 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:21:35,552 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:21:35,552 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:21:35,566 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2021-10-11 00:21:35,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-11 00:21:35,572 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:35,573 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:35,574 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:35,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:35,579 INFO L82 PathProgramCache]: Analyzing trace with hash 361085180, now seen corresponding path program 1 times [2021-10-11 00:21:35,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:35,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717472983] [2021-10-11 00:21:35,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:35,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:35,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:21:35,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717472983] [2021-10-11 00:21:35,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:35,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:21:35,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939940927] [2021-10-11 00:21:35,730 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:21:35,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:35,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:21:35,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:21:35,790 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 2 states. [2021-10-11 00:21:35,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:35,833 INFO L93 Difference]: Finished difference Result 104 states and 166 transitions. [2021-10-11 00:21:35,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:21:35,835 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2021-10-11 00:21:35,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:35,843 INFO L225 Difference]: With dead ends: 104 [2021-10-11 00:21:35,844 INFO L226 Difference]: Without dead ends: 50 [2021-10-11 00:21:35,846 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 [2021-10-11 00:21:35,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-10-11 00:21:35,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2021-10-11 00:21:35,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2021-10-11 00:21:35,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 70 transitions. [2021-10-11 00:21:35,883 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 70 transitions. Word has length 8 [2021-10-11 00:21:35,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:35,884 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 70 transitions. [2021-10-11 00:21:35,884 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:21:35,884 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 70 transitions. [2021-10-11 00:21:35,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-11 00:21:35,885 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:35,885 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:35,885 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:21:35,885 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:35,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:35,886 INFO L82 PathProgramCache]: Analyzing trace with hash 331839487, now seen corresponding path program 1 times [2021-10-11 00:21:35,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:35,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825597274] [2021-10-11 00:21:35,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:35,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:21:35,925 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:21:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:21:35,951 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:21:35,975 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:21:35,975 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 00:21:35,976 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:21:36,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:21:36 BoogieIcfgContainer [2021-10-11 00:21:36,006 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:21:36,006 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:21:36,006 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:21:36,007 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:21:36,007 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:21:35" (3/4) ... [2021-10-11 00:21:36,010 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 00:21:36,010 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:21:36,012 INFO L168 Benchmark]: Toolchain (without parser) took 1723.75 ms. Allocated memory is still 100.7 MB. Free memory was 69.0 MB in the beginning and 67.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 76.0 kB. Max. memory is 16.1 GB. [2021-10-11 00:21:36,013 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 77.6 MB. Free memory was 35.3 MB in the beginning and 35.3 MB in the end (delta: 37.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:21:36,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 439.67 ms. Allocated memory is still 100.7 MB. Free memory was 68.8 MB in the beginning and 75.4 MB in the end (delta: -6.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:36,015 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.51 ms. Allocated memory is still 100.7 MB. Free memory was 75.4 MB in the beginning and 72.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:36,015 INFO L168 Benchmark]: Boogie Preprocessor took 41.73 ms. Allocated memory is still 100.7 MB. Free memory was 72.6 MB in the beginning and 71.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:21:36,016 INFO L168 Benchmark]: RCFGBuilder took 638.63 ms. Allocated memory is still 100.7 MB. Free memory was 71.2 MB in the beginning and 43.9 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:36,016 INFO L168 Benchmark]: TraceAbstraction took 531.93 ms. Allocated memory is still 100.7 MB. Free memory was 43.4 MB in the beginning and 68.1 MB in the end (delta: -24.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:21:36,017 INFO L168 Benchmark]: Witness Printer took 4.22 ms. Allocated memory is still 100.7 MB. Free memory is still 67.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:21:36,020 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 77.6 MB. Free memory was 35.3 MB in the beginning and 35.3 MB in the end (delta: 37.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 439.67 ms. Allocated memory is still 100.7 MB. Free memory was 68.8 MB in the beginning and 75.4 MB in the end (delta: -6.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 60.51 ms. Allocated memory is still 100.7 MB. Free memory was 75.4 MB in the beginning and 72.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.73 ms. Allocated memory is still 100.7 MB. Free memory was 72.6 MB in the beginning and 71.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 638.63 ms. Allocated memory is still 100.7 MB. Free memory was 71.2 MB in the beginning and 43.9 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 531.93 ms. Allocated memory is still 100.7 MB. Free memory was 43.4 MB in the beginning and 68.1 MB in the end (delta: -24.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.22 ms. Allocated memory is still 100.7 MB. Free memory is still 67.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 156]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 151, overapproximation of someBinaryArithmeticDOUBLEoperation at line 35, overapproximation of bitwiseAnd at line 34, overapproximation of someBinaryDOUBLEComparisonOperation at line 155. Possible FailurePath: [L19] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L151] double x = -0.0; [L22] double z; [L23] __int32_t sign = 0x80000000; [L24] __uint32_t r, t1, s1, ix1, q1; [L25] __int32_t ix0, s0, q, m, t, i; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L28] ieee_double_shape_type ew_u; [L29] ew_u.value = (x) [L30] EXPR ew_u.parts.msw [L30] (ix0) = ew_u.parts.msw [L31] EXPR ew_u.parts.lsw [L31] (ix1) = ew_u.parts.lsw [L34] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L35] return x * x + x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L152] double res = __ieee754_sqrt(x); [L155] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L155] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L156] reach_error() VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 73 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=53occurred 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 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 [2021-10-11 00:21:38,507 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:21:38,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:21:38,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-11 00:21:38,587 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:21:38,590 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:21:38,591 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:21:38,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:21:38,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:21:38,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:21:38,596 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:21:38,598 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:21:38,600 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:21:38,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:21:38,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:21:38,609 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:21:38,620 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-11 00:21:38,626 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:21:38,627 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:21:38,629 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:21:38,629 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:21:38,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:21:38,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:21:38,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:21:38,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:21:38,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:21:38,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:21:38,635 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:21:38,636 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ebd1c6-be00-4f31-afdf-8a8e2906d9bb/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-11 00:21:38,675 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:21:38,675 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:21:38,678 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:21:38,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:21:38,678 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:21:38,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:21:38,679 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:21:38,679 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:21:38,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:21:38,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:21:38,680 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:21:38,681 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:21:38,681 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 00:21:38,681 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 00:21:38,682 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:21:38,682 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:21:38,682 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:21:38,682 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:21:38,683 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:21:38,683 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:21:38,683 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:21:38,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:21:38,684 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:21:38,684 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:21:38,684 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:21:38,684 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-11 00:21:38,685 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 00:21:38,685 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:21:38,685 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:21:38,686 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 00:21:38,686 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_worker_vcloud-master_on_vcloud-master/run_dir_38ebd1c6-be00-4f31-afdf-8a8e2906d9bb/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ebd1c6-be00-4f31-afdf-8a8e2906d9bb/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e7d1cf180b9d7ec82be720739bf017cddebb7c7 [2021-10-11 00:21:39,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:21:39,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:21:39,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:21:39,062 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:21:39,063 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:21:39,064 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ebd1c6-be00-4f31-afdf-8a8e2906d9bb/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/float-newlib/double_req_bl_0730b.c [2021-10-11 00:21:39,132 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ebd1c6-be00-4f31-afdf-8a8e2906d9bb/bin/uautomizer-Z5i5R5N3CC/data/c07ced415/4d58692c693749e09c78e7662dba56ba/FLAG1ac8e5470 [2021-10-11 00:21:39,651 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:21:39,653 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ebd1c6-be00-4f31-afdf-8a8e2906d9bb/sv-benchmarks/c/float-newlib/double_req_bl_0730b.c [2021-10-11 00:21:39,663 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ebd1c6-be00-4f31-afdf-8a8e2906d9bb/bin/uautomizer-Z5i5R5N3CC/data/c07ced415/4d58692c693749e09c78e7662dba56ba/FLAG1ac8e5470 [2021-10-11 00:21:39,999 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ebd1c6-be00-4f31-afdf-8a8e2906d9bb/bin/uautomizer-Z5i5R5N3CC/data/c07ced415/4d58692c693749e09c78e7662dba56ba [2021-10-11 00:21:40,002 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:21:40,004 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:21:40,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:21:40,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:21:40,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:21:40,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:21:40" (1/1) ... [2021-10-11 00:21:40,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d882e92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:40, skipping insertion in model container [2021-10-11 00:21:40,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:21:40" (1/1) ... [2021-10-11 00:21:40,020 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:21:40,040 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:21:40,235 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ebd1c6-be00-4f31-afdf-8a8e2906d9bb/sv-benchmarks/c/float-newlib/double_req_bl_0730b.c[3225,3238] [2021-10-11 00:21:40,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:21:40,271 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:21:40,337 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ebd1c6-be00-4f31-afdf-8a8e2906d9bb/sv-benchmarks/c/float-newlib/double_req_bl_0730b.c[3225,3238] [2021-10-11 00:21:40,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:21:40,370 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:21:40,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:40 WrapperNode [2021-10-11 00:21:40,371 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:21:40,372 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:21:40,372 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:21:40,372 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:21:40,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:40" (1/1) ... [2021-10-11 00:21:40,393 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:40" (1/1) ... [2021-10-11 00:21:40,426 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:21:40,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:21:40,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:21:40,428 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:21:40,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:40" (1/1) ... [2021-10-11 00:21:40,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:40" (1/1) ... [2021-10-11 00:21:40,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:40" (1/1) ... [2021-10-11 00:21:40,443 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:40" (1/1) ... [2021-10-11 00:21:40,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:40" (1/1) ... [2021-10-11 00:21:40,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:40" (1/1) ... [2021-10-11 00:21:40,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:40" (1/1) ... [2021-10-11 00:21:40,472 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:21:40,473 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:21:40,473 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:21:40,474 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:21:40,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:40" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ebd1c6-be00-4f31-afdf-8a8e2906d9bb/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:21:40,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-11 00:21:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-11 00:21:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 00:21:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:21:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-11 00:21:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:21:40,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:21:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-11 00:21:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 00:21:46,464 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:21:46,465 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2021-10-11 00:21:46,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:21:46 BoogieIcfgContainer [2021-10-11 00:21:46,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:21:46,469 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:21:46,469 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:21:46,472 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:21:46,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:21:40" (1/3) ... [2021-10-11 00:21:46,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@433dad6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:21:46, skipping insertion in model container [2021-10-11 00:21:46,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:40" (2/3) ... [2021-10-11 00:21:46,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@433dad6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:21:46, skipping insertion in model container [2021-10-11 00:21:46,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:21:46" (3/3) ... [2021-10-11 00:21:46,476 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0730b.c [2021-10-11 00:21:46,491 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:21:46,495 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 00:21:46,506 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 00:21:46,532 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:21:46,533 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:21:46,533 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:21:46,533 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:21:46,533 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:21:46,533 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:21:46,533 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:21:46,533 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:21:46,547 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2021-10-11 00:21:46,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-11 00:21:46,553 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:46,553 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:46,554 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:46,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:46,560 INFO L82 PathProgramCache]: Analyzing trace with hash 361085180, now seen corresponding path program 1 times [2021-10-11 00:21:46,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-11 00:21:46,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1857228077] [2021-10-11 00:21:46,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ebd1c6-be00-4f31-afdf-8a8e2906d9bb/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:21:47,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:47,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 00:21:47,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:21:47,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:21:47,102 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 00:21:47,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1857228077] [2021-10-11 00:21:47,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:47,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:21:47,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798059309] [2021-10-11 00:21:47,109 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:21:47,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-11 00:21:47,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:21:47,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:21:47,131 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 2 states. [2021-10-11 00:21:47,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:47,169 INFO L93 Difference]: Finished difference Result 104 states and 166 transitions. [2021-10-11 00:21:47,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:21:47,170 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2021-10-11 00:21:47,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:47,186 INFO L225 Difference]: With dead ends: 104 [2021-10-11 00:21:47,186 INFO L226 Difference]: Without dead ends: 50 [2021-10-11 00:21:47,189 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:21:47,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-10-11 00:21:47,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2021-10-11 00:21:47,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2021-10-11 00:21:47,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 70 transitions. [2021-10-11 00:21:47,234 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 70 transitions. Word has length 8 [2021-10-11 00:21:47,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:47,235 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 70 transitions. [2021-10-11 00:21:47,235 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:21:47,236 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 70 transitions. [2021-10-11 00:21:47,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-11 00:21:47,237 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:47,237 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:47,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 00:21:47,455 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:47,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:47,456 INFO L82 PathProgramCache]: Analyzing trace with hash 331839487, now seen corresponding path program 1 times [2021-10-11 00:21:47,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-11 00:21:47,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1885165333] [2021-10-11 00:21:47,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ebd1c6-be00-4f31-afdf-8a8e2906d9bb/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:21:47,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:47,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 00:21:47,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:21:48,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:21:48,069 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 00:21:48,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1885165333] [2021-10-11 00:21:48,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:48,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:21:48,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886852390] [2021-10-11 00:21:48,072 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:21:48,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-11 00:21:48,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:21:48,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:21:48,074 INFO L87 Difference]: Start difference. First operand 50 states and 70 transitions. Second operand 4 states. [2021-10-11 00:21:50,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:50,812 INFO L93 Difference]: Finished difference Result 68 states and 88 transitions. [2021-10-11 00:21:50,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:21:50,997 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2021-10-11 00:21:50,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:50,997 INFO L225 Difference]: With dead ends: 68 [2021-10-11 00:21:50,998 INFO L226 Difference]: Without dead ends: 26 [2021-10-11 00:21:50,999 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:21:50,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-10-11 00:21:51,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 17. [2021-10-11 00:21:51,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-10-11 00:21:51,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2021-10-11 00:21:51,003 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 9 [2021-10-11 00:21:51,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:51,003 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2021-10-11 00:21:51,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:21:51,004 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2021-10-11 00:21:51,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-11 00:21:51,004 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:51,004 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:51,205 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 00:21:51,205 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:51,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:51,206 INFO L82 PathProgramCache]: Analyzing trace with hash -1929218748, now seen corresponding path program 1 times [2021-10-11 00:21:51,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-11 00:21:51,207 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1578174829] [2021-10-11 00:21:51,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ebd1c6-be00-4f31-afdf-8a8e2906d9bb/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:21:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:51,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 00:21:51,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:21:51,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:21:51,444 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 00:21:51,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1578174829] [2021-10-11 00:21:51,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:51,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:21:51,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044300179] [2021-10-11 00:21:51,445 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:21:51,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-11 00:21:51,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:21:51,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:21:51,448 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand 5 states. [2021-10-11 00:21:54,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:54,717 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2021-10-11 00:21:54,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:21:54,717 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2021-10-11 00:21:54,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:54,718 INFO L225 Difference]: With dead ends: 29 [2021-10-11 00:21:54,719 INFO L226 Difference]: Without dead ends: 26 [2021-10-11 00:21:54,719 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:21:54,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-10-11 00:21:54,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 19. [2021-10-11 00:21:54,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-10-11 00:21:54,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2021-10-11 00:21:54,724 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 11 [2021-10-11 00:21:54,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:54,725 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2021-10-11 00:21:54,725 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:21:54,725 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2021-10-11 00:21:54,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-11 00:21:54,726 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:54,726 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:54,935 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 00:21:54,936 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:54,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:54,936 INFO L82 PathProgramCache]: Analyzing trace with hash 239121058, now seen corresponding path program 1 times [2021-10-11 00:21:54,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-11 00:21:54,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1444270011] [2021-10-11 00:21:54,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ebd1c6-be00-4f31-afdf-8a8e2906d9bb/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:21:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:55,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-11 00:21:55,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:21:55,983 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 15 treesize of output 13 [2021-10-11 00:21:56,007 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-11 00:21:56,018 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:21:56,019 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-11 00:21:56,068 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:21:56,071 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:21:56,072 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:35, output treesize:24 [2021-10-11 00:21:56,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:21:56,208 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 00:21:56,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1444270011] [2021-10-11 00:21:56,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:56,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:21:56,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187572614] [2021-10-11 00:21:56,210 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:21:56,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-11 00:21:56,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:21:56,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:21:56,211 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand 4 states. [2021-10-11 00:21:56,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:56,319 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2021-10-11 00:21:56,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:21:56,323 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2021-10-11 00:21:56,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:56,323 INFO L225 Difference]: With dead ends: 26 [2021-10-11 00:21:56,329 INFO L226 Difference]: Without dead ends: 16 [2021-10-11 00:21:56,330 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:21:56,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-10-11 00:21:56,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-10-11 00:21:56,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-10-11 00:21:56,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2021-10-11 00:21:56,335 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 12 [2021-10-11 00:21:56,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:56,335 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2021-10-11 00:21:56,336 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:21:56,336 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2021-10-11 00:21:56,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-11 00:21:56,337 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:56,337 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:56,537 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 00:21:56,538 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:56,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:56,538 INFO L82 PathProgramCache]: Analyzing trace with hash 264903321, now seen corresponding path program 1 times [2021-10-11 00:21:56,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-11 00:21:56,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [505237958] [2021-10-11 00:21:56,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ebd1c6-be00-4f31-afdf-8a8e2906d9bb/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:21:56,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:56,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-11 00:21:56,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:21:56,967 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-10-11 00:21:57,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:21:57,146 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 00:21:57,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [505237958] [2021-10-11 00:21:57,147 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:57,147 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-10-11 00:21:57,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038419428] [2021-10-11 00:21:57,148 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-10-11 00:21:57,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-11 00:21:57,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-11 00:21:57,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:21:57,150 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 9 states. [2021-10-11 00:21:57,895 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2021-10-11 00:21:57,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:57,913 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2021-10-11 00:21:57,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 00:21:57,915 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2021-10-11 00:21:57,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:57,915 INFO L225 Difference]: With dead ends: 16 [2021-10-11 00:21:57,915 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:21:57,916 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2021-10-11 00:21:57,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:21:57,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:21:57,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:21:57,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:21:57,917 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2021-10-11 00:21:57,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:57,917 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:21:57,917 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-10-11 00:21:57,917 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:21:57,917 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:21:58,126 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 00:21:58,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:21:58,457 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-10-11 00:21:58,635 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2021-10-11 00:21:58,637 INFO L262 CegarLoopResult]: For program point L60(lines 60 63) no Hoare annotation was computed. [2021-10-11 00:21:58,637 INFO L262 CegarLoopResult]: For program point L27-1(lines 27 32) no Hoare annotation was computed. [2021-10-11 00:21:58,638 INFO L262 CegarLoopResult]: For program point L60-2(lines 60 63) no Hoare annotation was computed. [2021-10-11 00:21:58,638 INFO L258 CegarLoopResult]: At program point L27-2(lines 27 32) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___ieee754_sqrt_~sign~0 (_ bv2147483648 32)) (_ bv0 32)) (= ULTIMATE.start___ieee754_sqrt_~x (fp.neg (_ +zero 11 53)))) [2021-10-11 00:21:58,638 INFO L262 CegarLoopResult]: For program point L27-3(lines 21 129) no Hoare annotation was computed. [2021-10-11 00:21:58,638 INFO L262 CegarLoopResult]: For program point L52-2(lines 52 53) no Hoare annotation was computed. [2021-10-11 00:21:58,638 INFO L258 CegarLoopResult]: At program point L52-3(lines 52 53) the Hoare annotation is: false [2021-10-11 00:21:58,638 INFO L262 CegarLoopResult]: For program point L52-4(lines 52 53) no Hoare annotation was computed. [2021-10-11 00:21:58,638 INFO L262 CegarLoopResult]: For program point L110(lines 110 111) no Hoare annotation was computed. [2021-10-11 00:21:58,639 INFO L262 CegarLoopResult]: For program point L110-2(lines 110 111) no Hoare annotation was computed. [2021-10-11 00:21:58,639 INFO L262 CegarLoopResult]: For program point L102(lines 102 116) no Hoare annotation was computed. [2021-10-11 00:21:58,639 INFO L265 CegarLoopResult]: At program point L160(lines 143 161) the Hoare annotation is: true [2021-10-11 00:21:58,639 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:21:58,639 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:21:58,639 INFO L262 CegarLoopResult]: For program point L119(lines 119 120) no Hoare annotation was computed. [2021-10-11 00:21:58,639 INFO L262 CegarLoopResult]: For program point L119-2(lines 119 120) no Hoare annotation was computed. [2021-10-11 00:21:58,639 INFO L258 CegarLoopResult]: At program point L128(lines 21 129) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= |ULTIMATE.start___ieee754_sqrt_#res| .cse0) (exists ((|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (fp.neg (_ +zero 11 53))) (= ULTIMATE.start___ieee754_sqrt_~ix0~0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|)) (= ULTIMATE.start___ieee754_sqrt_~ix1~0 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_6|)))) (= (bvadd ULTIMATE.start___ieee754_sqrt_~sign~0 (_ bv2147483648 32)) (_ bv0 32)) (= ULTIMATE.start___ieee754_sqrt_~x .cse0))) [2021-10-11 00:21:58,640 INFO L262 CegarLoopResult]: For program point L87(lines 87 96) no Hoare annotation was computed. [2021-10-11 00:21:58,640 INFO L262 CegarLoopResult]: For program point L87-2(lines 87 96) no Hoare annotation was computed. [2021-10-11 00:21:58,640 INFO L262 CegarLoopResult]: For program point L46(lines 46 57) no Hoare annotation was computed. [2021-10-11 00:21:58,640 INFO L262 CegarLoopResult]: For program point L46-2(lines 46 57) no Hoare annotation was computed. [2021-10-11 00:21:58,640 INFO L262 CegarLoopResult]: For program point L104(lines 104 115) no Hoare annotation was computed. [2021-10-11 00:21:58,640 INFO L262 CegarLoopResult]: For program point L38(lines 38 43) no Hoare annotation was computed. [2021-10-11 00:21:58,640 INFO L258 CegarLoopResult]: At program point L71-2(lines 71 81) the Hoare annotation is: false [2021-10-11 00:21:58,640 INFO L262 CegarLoopResult]: For program point L38-2(lines 38 43) no Hoare annotation was computed. [2021-10-11 00:21:58,640 INFO L262 CegarLoopResult]: For program point L71-3(lines 71 81) no Hoare annotation was computed. [2021-10-11 00:21:58,640 INFO L258 CegarLoopResult]: At program point L47-2(lines 47 51) the Hoare annotation is: false [2021-10-11 00:21:58,641 INFO L262 CegarLoopResult]: For program point L47-3(lines 47 51) no Hoare annotation was computed. [2021-10-11 00:21:58,641 INFO L262 CegarLoopResult]: For program point L39(lines 39 42) no Hoare annotation was computed. [2021-10-11 00:21:58,641 INFO L262 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2021-10-11 00:21:58,641 INFO L262 CegarLoopResult]: For program point L89(lines 89 90) no Hoare annotation was computed. [2021-10-11 00:21:58,641 INFO L262 CegarLoopResult]: For program point L122-1(lines 122 127) no Hoare annotation was computed. [2021-10-11 00:21:58,641 INFO L262 CegarLoopResult]: For program point L155-2(lines 155 158) no Hoare annotation was computed. [2021-10-11 00:21:58,641 INFO L258 CegarLoopResult]: At program point L122-2(lines 122 127) the Hoare annotation is: false [2021-10-11 00:21:58,641 INFO L262 CegarLoopResult]: For program point L89-2(lines 89 90) no Hoare annotation was computed. [2021-10-11 00:21:58,641 INFO L262 CegarLoopResult]: For program point L122-3(lines 122 127) no Hoare annotation was computed. [2021-10-11 00:21:58,642 INFO L262 CegarLoopResult]: For program point L106(lines 106 114) no Hoare annotation was computed. [2021-10-11 00:21:58,642 INFO L262 CegarLoopResult]: For program point L73(lines 73 77) no Hoare annotation was computed. [2021-10-11 00:21:58,642 INFO L262 CegarLoopResult]: For program point L73-2(lines 73 77) no Hoare annotation was computed. [2021-10-11 00:21:58,642 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:21:58,642 INFO L262 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2021-10-11 00:21:58,642 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 156) no Hoare annotation was computed. [2021-10-11 00:21:58,642 INFO L258 CegarLoopResult]: At program point L140(lines 131 141) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= |ULTIMATE.start___ieee754_sqrt_#res| .cse0) (= .cse0 ULTIMATE.start_main_~res~0) (exists ((|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (fp.neg (_ +zero 11 53))) (= ULTIMATE.start___ieee754_sqrt_~ix0~0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|)) (= ULTIMATE.start___ieee754_sqrt_~ix1~0 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_6|)))) (exists ((|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)) (fp.neg (_ +zero 11 53))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|) ULTIMATE.start___signbit_double_~msw~0))) (= ULTIMATE.start___signbit_double_~x .cse0) (= (bvadd ULTIMATE.start___ieee754_sqrt_~sign~0 (_ bv2147483648 32)) (_ bv0 32)) (= ULTIMATE.start___ieee754_sqrt_~x .cse0) (= (bvadd |ULTIMATE.start___signbit_double_#res| (_ bv4294967295 32)) (_ bv0 32)) |ULTIMATE.start_main_#t~short14|)) [2021-10-11 00:21:58,643 INFO L262 CegarLoopResult]: For program point L41(lines 41 42) no Hoare annotation was computed. [2021-10-11 00:21:58,643 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:21:58,643 INFO L262 CegarLoopResult]: For program point L92(lines 92 93) no Hoare annotation was computed. [2021-10-11 00:21:58,643 INFO L262 CegarLoopResult]: For program point L92-2(lines 92 93) no Hoare annotation was computed. [2021-10-11 00:21:58,643 INFO L258 CegarLoopResult]: At program point L84-2(lines 84 100) the Hoare annotation is: false [2021-10-11 00:21:58,643 INFO L262 CegarLoopResult]: For program point L84-3(lines 21 129) no Hoare annotation was computed. [2021-10-11 00:21:58,643 INFO L262 CegarLoopResult]: For program point L109(lines 109 114) no Hoare annotation was computed. [2021-10-11 00:21:58,643 INFO L262 CegarLoopResult]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2021-10-11 00:21:58,644 INFO L258 CegarLoopResult]: At program point L134-2(lines 134 138) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= |ULTIMATE.start___ieee754_sqrt_#res| .cse0) (= .cse0 ULTIMATE.start_main_~res~0) (exists ((|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (fp.neg (_ +zero 11 53))) (= ULTIMATE.start___ieee754_sqrt_~ix0~0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|)) (= ULTIMATE.start___ieee754_sqrt_~ix1~0 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_6|)))) (= ULTIMATE.start___signbit_double_~x .cse0) (= (bvadd ULTIMATE.start___ieee754_sqrt_~sign~0 (_ bv2147483648 32)) (_ bv0 32)) (= ULTIMATE.start___ieee754_sqrt_~x .cse0) |ULTIMATE.start_main_#t~short14|)) [2021-10-11 00:21:58,644 INFO L262 CegarLoopResult]: For program point L134-3(lines 134 138) no Hoare annotation was computed. [2021-10-11 00:21:58,655 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,656 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,656 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,656 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,657 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,663 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,663 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,663 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,664 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,664 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,666 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,666 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,666 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,666 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,667 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,667 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-10-11 00:21:58,667 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-10-11 00:21:58,667 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-10-11 00:21:58,668 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-10-11 00:21:58,669 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,669 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,669 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,669 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,670 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,670 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-10-11 00:21:58,670 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-10-11 00:21:58,670 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-10-11 00:21:58,671 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-10-11 00:21:58,672 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,672 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,673 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,673 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,673 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,674 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,674 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,674 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,675 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,675 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:21:58 BoogieIcfgContainer [2021-10-11 00:21:58,677 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:21:58,678 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:21:58,678 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:21:58,679 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:21:58,679 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:21:46" (3/4) ... [2021-10-11 00:21:58,683 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:21:58,696 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-10-11 00:21:58,697 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-11 00:21:58,697 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:21:58,698 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:21:58,729 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && (\exists v_skolemized_q#valueAsBitvector_6 : bv64 :: (~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_6[63:63], v_skolemized_q#valueAsBitvector_6[62:52], v_skolemized_q#valueAsBitvector_6[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && ix0 == v_skolemized_q#valueAsBitvector_6[63:32]) && ix1 == v_skolemized_q#valueAsBitvector_6[31:0])) && ~bvadd64(sign, 2147483648bv32) == 0bv32) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2021-10-11 00:21:58,730 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == res) && (\exists v_skolemized_q#valueAsBitvector_6 : bv64 :: (~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_6[63:63], v_skolemized_q#valueAsBitvector_6[62:52], v_skolemized_q#valueAsBitvector_6[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && ix0 == v_skolemized_q#valueAsBitvector_6[63:32]) && ix1 == v_skolemized_q#valueAsBitvector_6[31:0])) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~bvadd64(sign, 2147483648bv32) == 0bv32) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && aux-res == -0.0 && __signbit_double(res) == 1-aux [2021-10-11 00:21:58,731 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == res) && (\exists v_skolemized_q#valueAsBitvector_6 : bv64 :: (~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_6[63:63], v_skolemized_q#valueAsBitvector_6[62:52], v_skolemized_q#valueAsBitvector_6[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && ix0 == v_skolemized_q#valueAsBitvector_6[63:32]) && ix1 == v_skolemized_q#valueAsBitvector_6[31:0])) && (\exists v_skolemized_q#valueAsBitvector_7 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_7[63:63], v_skolemized_q#valueAsBitvector_7[62:52], v_skolemized_q#valueAsBitvector_7[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && v_skolemized_q#valueAsBitvector_7[63:32] == msw)) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~bvadd64(sign, 2147483648bv32) == 0bv32) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && aux-res == -0.0 && __signbit_double(res) == 1-aux [2021-10-11 00:21:58,763 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ebd1c6-be00-4f31-afdf-8a8e2906d9bb/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:21:58,763 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:21:58,764 INFO L168 Benchmark]: Toolchain (without parser) took 18760.30 ms. Allocated memory was 54.5 MB in the beginning and 73.4 MB in the end (delta: 18.9 MB). Free memory was 31.3 MB in the beginning and 51.9 MB in the end (delta: -20.7 MB). Peak memory consumption was 25.8 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:58,765 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 54.5 MB. Free memory was 36.0 MB in the beginning and 36.0 MB in the end (delta: 37.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:21:58,765 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.92 ms. Allocated memory was 54.5 MB in the beginning and 73.4 MB in the end (delta: 18.9 MB). Free memory was 31.1 MB in the beginning and 54.4 MB in the end (delta: -23.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:58,766 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.73 ms. Allocated memory is still 73.4 MB. Free memory was 54.4 MB in the beginning and 52.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:58,766 INFO L168 Benchmark]: Boogie Preprocessor took 44.94 ms. Allocated memory is still 73.4 MB. Free memory was 52.4 MB in the beginning and 50.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:58,767 INFO L168 Benchmark]: RCFGBuilder took 5993.60 ms. Allocated memory is still 73.4 MB. Free memory was 50.3 MB in the beginning and 42.6 MB in the end (delta: 7.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:58,767 INFO L168 Benchmark]: TraceAbstraction took 12208.79 ms. Allocated memory is still 73.4 MB. Free memory was 42.3 MB in the beginning and 26.6 MB in the end (delta: 15.7 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:58,768 INFO L168 Benchmark]: Witness Printer took 85.19 ms. Allocated memory is still 73.4 MB. Free memory was 26.6 MB in the beginning and 51.9 MB in the end (delta: -25.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:58,770 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 54.5 MB. Free memory was 36.0 MB in the beginning and 36.0 MB in the end (delta: 37.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 365.92 ms. Allocated memory was 54.5 MB in the beginning and 73.4 MB in the end (delta: 18.9 MB). Free memory was 31.1 MB in the beginning and 54.4 MB in the end (delta: -23.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 54.73 ms. Allocated memory is still 73.4 MB. Free memory was 54.4 MB in the beginning and 52.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.94 ms. Allocated memory is still 73.4 MB. Free memory was 52.4 MB in the beginning and 50.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 5993.60 ms. Allocated memory is still 73.4 MB. Free memory was 50.3 MB in the beginning and 42.6 MB in the end (delta: 7.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 12208.79 ms. Allocated memory is still 73.4 MB. Free memory was 42.3 MB in the beginning and 26.6 MB in the end (delta: 15.7 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. * Witness Printer took 85.19 ms. Allocated memory is still 73.4 MB. Free memory was 26.6 MB in the beginning and 51.9 MB in the end (delta: -25.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 156]: 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: 71]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant [2021-10-11 00:21:58,781 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,782 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,782 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,782 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,782 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,783 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,783 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,783 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,784 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,784 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] Derived loop invariant: ((\result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && (\exists v_skolemized_q#valueAsBitvector_6 : bv64 :: (~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_6[63:63], v_skolemized_q#valueAsBitvector_6[62:52], v_skolemized_q#valueAsBitvector_6[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && ix0 == v_skolemized_q#valueAsBitvector_6[63:32]) && ix1 == v_skolemized_q#valueAsBitvector_6[31:0])) && ~bvadd64(sign, 2147483648bv32) == 0bv32) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant [2021-10-11 00:21:58,785 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,785 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,785 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,786 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,786 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,786 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-10-11 00:21:58,786 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-10-11 00:21:58,786 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-10-11 00:21:58,787 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-10-11 00:21:58,787 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,788 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,788 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,788 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,788 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,788 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-10-11 00:21:58,789 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-10-11 00:21:58,789 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-10-11 00:21:58,789 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] Derived loop invariant: (((((((\result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == res) && (\exists v_skolemized_q#valueAsBitvector_6 : bv64 :: (~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_6[63:63], v_skolemized_q#valueAsBitvector_6[62:52], v_skolemized_q#valueAsBitvector_6[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && ix0 == v_skolemized_q#valueAsBitvector_6[63:32]) && ix1 == v_skolemized_q#valueAsBitvector_6[31:0])) && (\exists v_skolemized_q#valueAsBitvector_7 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_7[63:63], v_skolemized_q#valueAsBitvector_7[62:52], v_skolemized_q#valueAsBitvector_7[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && v_skolemized_q#valueAsBitvector_7[63:32] == msw)) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~bvadd64(sign, 2147483648bv32) == 0bv32) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && aux-res == -0.0 && __signbit_double(res) == 1-aux - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: ~bvadd64(sign, 2147483648bv32) == 0bv32 && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 134]: Loop Invariant [2021-10-11 00:21:58,791 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,791 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,792 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,792 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,792 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,793 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,793 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,793 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,793 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2021-10-11 00:21:58,793 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] Derived loop invariant: (((((\result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == res) && (\exists v_skolemized_q#valueAsBitvector_6 : bv64 :: (~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_6[63:63], v_skolemized_q#valueAsBitvector_6[62:52], v_skolemized_q#valueAsBitvector_6[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && ix0 == v_skolemized_q#valueAsBitvector_6[63:32]) && ix1 == v_skolemized_q#valueAsBitvector_6[31:0])) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~bvadd64(sign, 2147483648bv32) == 0bv32) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && aux-res == -0.0 && __signbit_double(res) == 1-aux - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 117 SDtfs, 98 SDslu, 81 SDs, 0 SdLazy, 53 SolverSat, 10 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred 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, 5 MinimizatonAttempts, 16 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 15 NumberOfFragments, 157 HoareAnnotationTreeSize, 10 FomulaSimplifications, 24 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 50 ConstructedInterpolants, 8 QuantifiedInterpolants, 2985 SizeOfPredicates, 28 NumberOfNonLiveVariables, 237 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...