./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be --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 ef3aead09e1d04146222ba824ba5fd2f951ea3a53aa52ba41e6fea5dd6ebb3d5 ........................................................................................................................................................................................................................................................................................................................................ 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_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be --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 ef3aead09e1d04146222ba824ba5fd2f951ea3a53aa52ba41e6fea5dd6ebb3d5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:26:47,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:26:47,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:26:47,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:26:47,579 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:26:47,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:26:47,589 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:26:47,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:26:47,597 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:26:47,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:26:47,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:26:47,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:26:47,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:26:47,613 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:26:47,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:26:47,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:26:47,621 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:26:47,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:26:47,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:26:47,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:26:47,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:26:47,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:26:47,649 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:26:47,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:26:47,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:26:47,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:26:47,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:26:47,658 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:26:47,659 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:26:47,661 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:26:47,662 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:26:47,663 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:26:47,665 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:26:47,667 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:26:47,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:26:47,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:26:47,670 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:26:47,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:26:47,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:26:47,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:26:47,672 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:26:47,673 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:26:47,719 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:26:47,719 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:26:47,720 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:26:47,720 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:26:47,721 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:26:47,722 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:26:47,722 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:26:47,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:26:47,722 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:26:47,723 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:26:47,723 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:26:47,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:26:47,724 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:26:47,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:26:47,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:26:47,724 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:26:47,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:26:47,725 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:26:47,725 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:26:47,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:26:47,726 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:26:47,726 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:26:47,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:26:47,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:26:47,727 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:26:47,727 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:26:47,727 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:26:47,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:26:47,728 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:26:47,728 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:26:47,729 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:26:47,729 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:26:47,729 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_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef3aead09e1d04146222ba824ba5fd2f951ea3a53aa52ba41e6fea5dd6ebb3d5 [2021-10-21 19:26:48,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:26:48,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:26:48,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:26:48,123 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:26:48,124 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:26:48,125 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2021-10-21 19:26:48,207 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/data/09b6153dc/2f91d217f3a143edaa59bcbed563eded/FLAGdc4366f90 [2021-10-21 19:26:48,792 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:26:48,793 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2021-10-21 19:26:48,804 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/data/09b6153dc/2f91d217f3a143edaa59bcbed563eded/FLAGdc4366f90 [2021-10-21 19:26:49,135 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/data/09b6153dc/2f91d217f3a143edaa59bcbed563eded [2021-10-21 19:26:49,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:26:49,139 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:26:49,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:26:49,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:26:49,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:26:49,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:26:49" (1/1) ... [2021-10-21 19:26:49,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64c9a45f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:49, skipping insertion in model container [2021-10-21 19:26:49,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:26:49" (1/1) ... [2021-10-21 19:26:49,164 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:26:49,202 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:26:49,469 WARN L228 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_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/sv-benchmarks/c/float-newlib/float_req_bl_0670.c[5373,5386] [2021-10-21 19:26:49,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:26:49,482 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:26:49,555 WARN L228 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_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/sv-benchmarks/c/float-newlib/float_req_bl_0670.c[5373,5386] [2021-10-21 19:26:49,558 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:26:49,577 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:26:49,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:49 WrapperNode [2021-10-21 19:26:49,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:26:49,579 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:26:49,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:26:49,579 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:26:49,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:49" (1/1) ... [2021-10-21 19:26:49,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:49" (1/1) ... [2021-10-21 19:26:49,657 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:26:49,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:26:49,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:26:49,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:26:49,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:49" (1/1) ... [2021-10-21 19:26:49,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:49" (1/1) ... [2021-10-21 19:26:49,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:49" (1/1) ... [2021-10-21 19:26:49,677 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:49" (1/1) ... [2021-10-21 19:26:49,698 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:49" (1/1) ... [2021-10-21 19:26:49,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:49" (1/1) ... [2021-10-21 19:26:49,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:49" (1/1) ... [2021-10-21 19:26:49,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:26:49,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:26:49,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:26:49,720 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:26:49,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:49" (1/1) ... [2021-10-21 19:26:49,736 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:26:49,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:49,782 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:49,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:26:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:26:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:26:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-21 19:26:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 19:26:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-21 19:26:49,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:26:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:26:49,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 19:26:49,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-21 19:26:49,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 19:26:50,570 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:26:50,571 INFO L299 CfgBuilder]: Removed 46 assume(true) statements. [2021-10-21 19:26:50,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:26:50 BoogieIcfgContainer [2021-10-21 19:26:50,573 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:26:50,576 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:26:50,576 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:26:50,580 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:26:50,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:26:49" (1/3) ... [2021-10-21 19:26:50,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14cf46e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:26:50, skipping insertion in model container [2021-10-21 19:26:50,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:49" (2/3) ... [2021-10-21 19:26:50,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14cf46e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:26:50, skipping insertion in model container [2021-10-21 19:26:50,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:26:50" (3/3) ... [2021-10-21 19:26:50,584 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0670.c [2021-10-21 19:26:50,590 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:26:50,590 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 19:26:50,691 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:26:50,697 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 19:26:50,698 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 19:26:50,719 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 113 states have (on average 1.6814159292035398) internal successors, (190), 114 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:50,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-21 19:26:50,725 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:26:50,726 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:26:50,727 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:26:50,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:50,734 INFO L82 PathProgramCache]: Analyzing trace with hash 2081772354, now seen corresponding path program 1 times [2021-10-21 19:26:50,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:26:50,745 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427274205] [2021-10-21 19:26:50,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:26:50,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:26:50,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:51,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:26:51,042 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:26:51,043 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427274205] [2021-10-21 19:26:51,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427274205] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:26:51,044 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:26:51,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:26:51,046 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243336173] [2021-10-21 19:26:51,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 19:26:51,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:26:51,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 19:26:51,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:26:51,071 INFO L87 Difference]: Start difference. First operand has 115 states, 113 states have (on average 1.6814159292035398) internal successors, (190), 114 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:51,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:26:51,102 INFO L93 Difference]: Finished difference Result 224 states and 372 transitions. [2021-10-21 19:26:51,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 19:26:51,103 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-10-21 19:26:51,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:26:51,115 INFO L225 Difference]: With dead ends: 224 [2021-10-21 19:26:51,116 INFO L226 Difference]: Without dead ends: 111 [2021-10-21 19:26:51,119 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:26:51,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2021-10-21 19:26:51,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2021-10-21 19:26:51,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 110 states have (on average 1.4545454545454546) internal successors, (160), 110 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:51,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 160 transitions. [2021-10-21 19:26:51,167 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 160 transitions. Word has length 14 [2021-10-21 19:26:51,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:26:51,167 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 160 transitions. [2021-10-21 19:26:51,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:26:51,168 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 160 transitions. [2021-10-21 19:26:51,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-21 19:26:51,169 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:26:51,169 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:26:51,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:26:51,170 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:26:51,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:51,171 INFO L82 PathProgramCache]: Analyzing trace with hash 1906427737, now seen corresponding path program 1 times [2021-10-21 19:26:51,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:26:51,172 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927608080] [2021-10-21 19:26:51,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:26:51,173 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:26:51,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:26:51,251 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:26:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:26:51,437 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:26:51,438 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-21 19:26:51,440 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:26:51,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 19:26:51,450 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:26:51,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:26:51 BoogieIcfgContainer [2021-10-21 19:26:51,509 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:26:51,510 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:26:51,510 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:26:51,510 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:26:51,511 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:26:50" (3/4) ... [2021-10-21 19:26:51,514 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:26:51,514 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:26:51,517 INFO L168 Benchmark]: Toolchain (without parser) took 2376.21 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 49.7 MB in the beginning and 42.8 MB in the end (delta: 6.9 MB). Peak memory consumption was 34.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:26:51,517 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 90.2 MB. Free memory is still 66.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:26:51,518 INFO L168 Benchmark]: CACSL2BoogieTranslator took 436.94 ms. Allocated memory is still 90.2 MB. Free memory was 49.5 MB in the beginning and 56.8 MB in the end (delta: -7.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:26:51,519 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.51 ms. Allocated memory is still 90.2 MB. Free memory was 56.6 MB in the beginning and 53.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:26:51,520 INFO L168 Benchmark]: Boogie Preprocessor took 60.47 ms. Allocated memory is still 90.2 MB. Free memory was 53.4 MB in the beginning and 50.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:26:51,521 INFO L168 Benchmark]: RCFGBuilder took 854.38 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 50.3 MB in the beginning and 81.8 MB in the end (delta: -31.5 MB). Peak memory consumption was 24.0 MB. Max. memory is 16.1 GB. [2021-10-21 19:26:51,522 INFO L168 Benchmark]: TraceAbstraction took 933.76 ms. Allocated memory is still 117.4 MB. Free memory was 81.8 MB in the beginning and 43.3 MB in the end (delta: 38.6 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:26:51,523 INFO L168 Benchmark]: Witness Printer took 4.78 ms. Allocated memory is still 117.4 MB. Free memory was 43.3 MB in the beginning and 42.8 MB in the end (delta: 471.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:26:51,528 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 90.2 MB. Free memory is still 66.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 436.94 ms. Allocated memory is still 90.2 MB. Free memory was 49.5 MB in the beginning and 56.8 MB in the end (delta: -7.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.51 ms. Allocated memory is still 90.2 MB. Free memory was 56.6 MB in the beginning and 53.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.47 ms. Allocated memory is still 90.2 MB. Free memory was 53.4 MB in the beginning and 50.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 854.38 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 50.3 MB in the beginning and 81.8 MB in the end (delta: -31.5 MB). Peak memory consumption was 24.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 933.76 ms. Allocated memory is still 117.4 MB. Free memory was 81.8 MB in the beginning and 43.3 MB in the end (delta: 38.6 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * Witness Printer took 4.78 ms. Allocated memory is still 117.4 MB. Free memory was 43.3 MB in the beginning and 42.8 MB in the end (delta: 471.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 236]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 15, overapproximation of someUnaryDOUBLEoperation at line 47, overapproximation of bitwiseAnd at line 138, overapproximation of someBinaryArithmeticFLOAToperation at line 140. Possible FailurePath: [L32-L37] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L39-L44] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L46-L50] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L52-L54] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L120-L121] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L226] float x = __VERIFIER_nondet_float(); [L227] float y = __VERIFIER_nondet_float(); [L15] return x != x; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L229] isnan_float(x) || isnan_float(y) VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L229] COND TRUE isnan_float(x) || isnan_float(y) [L124] float z; [L125] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L128] ieee_float_shape_type gf_u; [L129] gf_u.value = (x) [L130] EXPR gf_u.word [L130] (hx) = gf_u.word [L132] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L134] ieee_float_shape_type gf_u; [L135] gf_u.value = (y) [L136] EXPR gf_u.word [L136] (hy) = gf_u.word [L138] iy = hy & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L139] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L140] return x + y; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L232] float res = __ieee754_atan2f(y, x); [L15] return x != x; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L235] COND TRUE !isnan_float(res) [L236] reach_error() VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 115 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 775.6ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 12.3ms, AutomataDifference: 66.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 16.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 165 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 31.2ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 17.0ms SsaConstructionTime, 170.0ms SatisfiabilityAnalysisTime, 101.3ms InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 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 [2021-10-21 19:26:51,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:26:54,253 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:26:54,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:26:54,318 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:26:54,318 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:26:54,324 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:26:54,326 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:26:54,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:26:54,336 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:26:54,344 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:26:54,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:26:54,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:26:54,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:26:54,351 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:26:54,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:26:54,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:26:54,360 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:26:54,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:26:54,363 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:26:54,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:26:54,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:26:54,374 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:26:54,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:26:54,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:26:54,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:26:54,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:26:54,387 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:26:54,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:26:54,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:26:54,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:26:54,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:26:54,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:26:54,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:26:54,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:26:54,397 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:26:54,397 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:26:54,398 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:26:54,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:26:54,399 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:26:54,413 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:26:54,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:26:54,415 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-21 19:26:54,463 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:26:54,464 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:26:54,464 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:26:54,465 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:26:54,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:26:54,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:26:54,467 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:26:54,467 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:26:54,468 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:26:54,468 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:26:54,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:26:54,469 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:26:54,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:26:54,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:26:54,470 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-21 19:26:54,470 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-21 19:26:54,470 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:26:54,471 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:26:54,471 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:26:54,471 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:26:54,472 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:26:54,472 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:26:54,472 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:26:54,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:26:54,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:26:54,473 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:26:54,473 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:26:54,473 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-21 19:26:54,474 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-21 19:26:54,474 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:26:54,474 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:26:54,474 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:26:54,475 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:26:54,475 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-21 19:26:54,475 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_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef3aead09e1d04146222ba824ba5fd2f951ea3a53aa52ba41e6fea5dd6ebb3d5 [2021-10-21 19:26:54,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:26:54,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:26:54,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:26:54,847 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:26:54,848 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:26:54,848 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2021-10-21 19:26:54,932 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/data/a6701256f/e243185f8e7a403f88e9c625cacd5cdb/FLAGeb77770fe [2021-10-21 19:26:55,448 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:26:55,453 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2021-10-21 19:26:55,466 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/data/a6701256f/e243185f8e7a403f88e9c625cacd5cdb/FLAGeb77770fe [2021-10-21 19:26:55,795 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/data/a6701256f/e243185f8e7a403f88e9c625cacd5cdb [2021-10-21 19:26:55,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:26:55,806 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:26:55,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:26:55,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:26:55,812 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:26:55,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:26:55" (1/1) ... [2021-10-21 19:26:55,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2573f617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:55, skipping insertion in model container [2021-10-21 19:26:55,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:26:55" (1/1) ... [2021-10-21 19:26:55,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:26:55,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:26:56,125 WARN L228 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_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/sv-benchmarks/c/float-newlib/float_req_bl_0670.c[5373,5386] [2021-10-21 19:26:56,128 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:26:56,169 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:26:56,262 WARN L228 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_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/sv-benchmarks/c/float-newlib/float_req_bl_0670.c[5373,5386] [2021-10-21 19:26:56,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:26:56,297 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:26:56,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:56 WrapperNode [2021-10-21 19:26:56,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:26:56,299 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:26:56,299 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:26:56,299 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:26:56,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:56" (1/1) ... [2021-10-21 19:26:56,323 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:56" (1/1) ... [2021-10-21 19:26:56,373 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:26:56,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:26:56,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:26:56,374 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:26:56,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:56" (1/1) ... [2021-10-21 19:26:56,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:56" (1/1) ... [2021-10-21 19:26:56,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:56" (1/1) ... [2021-10-21 19:26:56,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:56" (1/1) ... [2021-10-21 19:26:56,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:56" (1/1) ... [2021-10-21 19:26:56,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:56" (1/1) ... [2021-10-21 19:26:56,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:56" (1/1) ... [2021-10-21 19:26:56,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:26:56,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:26:56,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:26:56,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:26:56,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:56" (1/1) ... [2021-10-21 19:26:56,498 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:26:56,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:56,517 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:56,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:26:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-10-21 19:26:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-21 19:26:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:26:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-21 19:26:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-21 19:26:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:26:56,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:26:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-21 19:26:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-21 19:26:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 19:27:20,806 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:27:20,806 INFO L299 CfgBuilder]: Removed 46 assume(true) statements. [2021-10-21 19:27:20,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:27:20 BoogieIcfgContainer [2021-10-21 19:27:20,809 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:27:20,811 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:27:20,811 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:27:20,815 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:27:20,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:26:55" (1/3) ... [2021-10-21 19:27:20,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7054ebc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:27:20, skipping insertion in model container [2021-10-21 19:27:20,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:56" (2/3) ... [2021-10-21 19:27:20,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7054ebc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:27:20, skipping insertion in model container [2021-10-21 19:27:20,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:27:20" (3/3) ... [2021-10-21 19:27:20,819 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0670.c [2021-10-21 19:27:20,826 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:27:20,826 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 19:27:20,882 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:27:20,888 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 19:27:20,888 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 19:27:20,907 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 113 states have (on average 1.6814159292035398) internal successors, (190), 114 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:27:20,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-21 19:27:20,912 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:27:20,913 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:27:20,914 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:27:20,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:27:20,920 INFO L82 PathProgramCache]: Analyzing trace with hash 2081772354, now seen corresponding path program 1 times [2021-10-21 19:27:20,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:27:20,933 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1744083074] [2021-10-21 19:27:20,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:27:20,935 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:27:20,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:27:20,938 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:27:20,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-21 19:27:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:27:22,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-21 19:27:22,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:27:22,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:27:22,287 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:27:22,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:27:22,390 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:27:22,391 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1744083074] [2021-10-21 19:27:22,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1744083074] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:27:22,391 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:27:22,392 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-21 19:27:22,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085250288] [2021-10-21 19:27:22,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 19:27:22,399 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:27:22,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 19:27:22,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:27:22,417 INFO L87 Difference]: Start difference. First operand has 115 states, 113 states have (on average 1.6814159292035398) internal successors, (190), 114 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:27:22,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:27:22,448 INFO L93 Difference]: Finished difference Result 224 states and 372 transitions. [2021-10-21 19:27:22,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 19:27:22,450 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-10-21 19:27:22,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:27:22,461 INFO L225 Difference]: With dead ends: 224 [2021-10-21 19:27:22,461 INFO L226 Difference]: Without dead ends: 111 [2021-10-21 19:27:22,464 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:27:22,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2021-10-21 19:27:22,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2021-10-21 19:27:22,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 110 states have (on average 1.4545454545454546) internal successors, (160), 110 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:27:22,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 160 transitions. [2021-10-21 19:27:22,507 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 160 transitions. Word has length 14 [2021-10-21 19:27:22,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:27:22,507 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 160 transitions. [2021-10-21 19:27:22,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:27:22,508 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 160 transitions. [2021-10-21 19:27:22,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-21 19:27:22,509 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:27:22,509 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:27:22,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:27:22,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:27:22,732 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:27:22,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:27:22,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1906427737, now seen corresponding path program 1 times [2021-10-21 19:27:22,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:27:22,734 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1179086724] [2021-10-21 19:27:22,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:27:22,735 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:27:22,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:27:22,736 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:27:22,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-21 19:27:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:27:23,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-21 19:27:23,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:27:25,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:27:25,833 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:27:33,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:27:33,270 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:27:33,271 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1179086724] [2021-10-21 19:27:33,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1179086724] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:27:33,271 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:27:33,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 17 [2021-10-21 19:27:33,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882256218] [2021-10-21 19:27:33,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-21 19:27:33,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:27:33,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-21 19:27:33,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2021-10-21 19:27:33,276 INFO L87 Difference]: Start difference. First operand 111 states and 160 transitions. Second operand has 17 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 17 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:19,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:19,211 INFO L93 Difference]: Finished difference Result 236 states and 331 transitions. [2021-10-21 19:29:19,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-21 19:29:19,223 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 17 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-21 19:29:19,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:19,229 INFO L225 Difference]: With dead ends: 236 [2021-10-21 19:29:19,229 INFO L226 Difference]: Without dead ends: 231 [2021-10-21 19:29:19,230 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 8142.2ms TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2021-10-21 19:29:19,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2021-10-21 19:29:19,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 119. [2021-10-21 19:29:19,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 118 states have (on average 1.423728813559322) internal successors, (168), 118 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:19,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 168 transitions. [2021-10-21 19:29:19,273 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 168 transitions. Word has length 16 [2021-10-21 19:29:19,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:19,273 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 168 transitions. [2021-10-21 19:29:19,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 17 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:19,274 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 168 transitions. [2021-10-21 19:29:19,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-21 19:29:19,276 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:19,276 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:29:19,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:29:19,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:29:19,501 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:29:19,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:19,502 INFO L82 PathProgramCache]: Analyzing trace with hash 2143643094, now seen corresponding path program 1 times [2021-10-21 19:29:19,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:29:19,503 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1066577122] [2021-10-21 19:29:19,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:19,503 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:29:19,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:29:19,504 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:29:19,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-21 19:29:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:20,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-21 19:29:20,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:29:22,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:29:22,380 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:29:29,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:29:29,572 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:29:29,573 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1066577122] [2021-10-21 19:29:29,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1066577122] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:29,573 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:29,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2021-10-21 19:29:29,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724183196] [2021-10-21 19:29:29,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-21 19:29:29,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:29:29,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-21 19:29:29,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-10-21 19:29:29,576 INFO L87 Difference]: Start difference. First operand 119 states and 168 transitions. Second operand has 15 states, 15 states have (on average 2.2) internal successors, (33), 15 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:16,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:31:16,105 INFO L93 Difference]: Finished difference Result 236 states and 330 transitions. [2021-10-21 19:31:16,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 19:31:16,118 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.2) internal successors, (33), 15 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-21 19:31:16,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:31:16,121 INFO L225 Difference]: With dead ends: 236 [2021-10-21 19:31:16,121 INFO L226 Difference]: Without dead ends: 231 [2021-10-21 19:31:16,122 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 11199.1ms TimeCoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2021-10-21 19:31:16,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2021-10-21 19:31:16,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 124. [2021-10-21 19:31:16,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 123 states have (on average 1.4227642276422765) internal successors, (175), 123 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:16,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 175 transitions. [2021-10-21 19:31:16,149 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 175 transitions. Word has length 17 [2021-10-21 19:31:16,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:31:16,150 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 175 transitions. [2021-10-21 19:31:16,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.2) internal successors, (33), 15 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:16,150 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 175 transitions. [2021-10-21 19:31:16,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-21 19:31:16,152 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:31:16,152 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:31:16,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-21 19:31:16,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:31:16,366 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:31:16,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:31:16,366 INFO L82 PathProgramCache]: Analyzing trace with hash 953381099, now seen corresponding path program 1 times [2021-10-21 19:31:16,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:31:16,367 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [991349249] [2021-10-21 19:31:16,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:31:16,368 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:31:16,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:31:16,374 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:31:16,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-21 19:31:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:31:17,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-21 19:31:17,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:31:18,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:31:18,719 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:31:20,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:31:20,297 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:31:20,297 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [991349249] [2021-10-21 19:31:20,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [991349249] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:31:20,298 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:31:20,298 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2021-10-21 19:31:20,299 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993244805] [2021-10-21 19:31:20,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-21 19:31:20,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:31:20,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-21 19:31:20,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-10-21 19:31:20,301 INFO L87 Difference]: Start difference. First operand 124 states and 175 transitions. Second operand has 14 states, 14 states have (on average 2.5) internal successors, (35), 14 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:23,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:31:23,967 INFO L93 Difference]: Finished difference Result 227 states and 319 transitions. [2021-10-21 19:31:23,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-21 19:31:23,968 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.5) internal successors, (35), 14 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-10-21 19:31:23,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:31:23,969 INFO L225 Difference]: With dead ends: 227 [2021-10-21 19:31:23,969 INFO L226 Difference]: Without dead ends: 121 [2021-10-21 19:31:23,971 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 3050.0ms TimeCoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2021-10-21 19:31:23,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-10-21 19:31:23,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 111. [2021-10-21 19:31:23,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 110 states have (on average 1.4272727272727272) internal successors, (157), 110 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:23,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 157 transitions. [2021-10-21 19:31:23,984 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 157 transitions. Word has length 21 [2021-10-21 19:31:23,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:31:23,984 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 157 transitions. [2021-10-21 19:31:23,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.5) internal successors, (35), 14 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:23,985 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 157 transitions. [2021-10-21 19:31:23,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-21 19:31:23,986 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:31:23,987 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:31:24,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-10-21 19:31:24,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:31:24,189 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:31:24,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:31:24,190 INFO L82 PathProgramCache]: Analyzing trace with hash -74426226, now seen corresponding path program 1 times [2021-10-21 19:31:24,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:31:24,191 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [858584515] [2021-10-21 19:31:24,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:31:24,191 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:31:24,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:31:24,192 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:31:24,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-21 19:31:25,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:31:25,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-21 19:31:25,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:31:26,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:31:26,355 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:31:27,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:31:27,266 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:31:27,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [858584515] [2021-10-21 19:31:27,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [858584515] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:31:27,270 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:31:27,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 10 [2021-10-21 19:31:27,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042160918] [2021-10-21 19:31:27,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-21 19:31:27,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:31:27,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-21 19:31:27,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-21 19:31:27,273 INFO L87 Difference]: Start difference. First operand 111 states and 157 transitions. Second operand has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:29,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:31:29,033 INFO L93 Difference]: Finished difference Result 111 states and 157 transitions. [2021-10-21 19:31:29,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:31:29,034 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-21 19:31:29,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:31:29,034 INFO L225 Difference]: With dead ends: 111 [2021-10-21 19:31:29,034 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:31:29,036 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2569.1ms TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-10-21 19:31:29,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:31:29,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:31:29,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:29,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:31:29,037 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2021-10-21 19:31:29,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:31:29,037 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:31:29,038 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:29,038 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:31:29,038 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:31:29,041 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:31:29,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-10-21 19:31:29,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:31:29,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 19:31:29,247 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:31:29,279 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:31:29,280 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:31:29,284 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:31:29,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:31:29,286 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:31:29,286 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:31:29,295 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:31:29,307 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:31:29,308 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:31:29,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:31:29,335 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:31:29,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:31:29,337 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:31:29,338 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:31:29,348 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:31:29,349 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:31:29,364 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:31:31,263 INFO L857 garLoopResultBuilder]: For program point L201-1(lines 201 205) no Hoare annotation was computed. [2021-10-21 19:31:31,264 INFO L853 garLoopResultBuilder]: At program point L201-2(lines 201 205) the Hoare annotation is: false [2021-10-21 19:31:31,264 INFO L857 garLoopResultBuilder]: For program point L69(lines 69 72) no Hoare annotation was computed. [2021-10-21 19:31:31,264 INFO L857 garLoopResultBuilder]: For program point L69-1(lines 69 72) no Hoare annotation was computed. [2021-10-21 19:31:31,264 INFO L857 garLoopResultBuilder]: For program point L235(lines 235 238) no Hoare annotation was computed. [2021-10-21 19:31:31,264 INFO L857 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-10-21 19:31:31,264 INFO L857 garLoopResultBuilder]: For program point L236(line 236) no Hoare annotation was computed. [2021-10-21 19:31:31,264 INFO L857 garLoopResultBuilder]: For program point L139(lines 139 140) no Hoare annotation was computed. [2021-10-21 19:31:31,265 INFO L857 garLoopResultBuilder]: For program point L206(lines 206 210) no Hoare annotation was computed. [2021-10-21 19:31:31,265 INFO L857 garLoopResultBuilder]: For program point L173(lines 173 182) no Hoare annotation was computed. [2021-10-21 19:31:31,265 INFO L857 garLoopResultBuilder]: For program point L206-1(lines 199 211) no Hoare annotation was computed. [2021-10-21 19:31:31,265 INFO L857 garLoopResultBuilder]: For program point L206-2(lines 206 210) no Hoare annotation was computed. [2021-10-21 19:31:31,265 INFO L857 garLoopResultBuilder]: For program point L74(lines 74 99) no Hoare annotation was computed. [2021-10-21 19:31:31,265 INFO L857 garLoopResultBuilder]: For program point L74-2(lines 74 99) no Hoare annotation was computed. [2021-10-21 19:31:31,265 INFO L857 garLoopResultBuilder]: For program point L174(line 174) no Hoare annotation was computed. [2021-10-21 19:31:31,266 INFO L857 garLoopResultBuilder]: For program point L141(lines 141 142) no Hoare annotation was computed. [2021-10-21 19:31:31,266 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 78) no Hoare annotation was computed. [2021-10-21 19:31:31,266 INFO L857 garLoopResultBuilder]: For program point L75-2(lines 75 78) no Hoare annotation was computed. [2021-10-21 19:31:31,266 INFO L857 garLoopResultBuilder]: For program point L75-3(lines 75 78) no Hoare annotation was computed. [2021-10-21 19:31:31,266 INFO L857 garLoopResultBuilder]: For program point L75-5(lines 75 78) no Hoare annotation was computed. [2021-10-21 19:31:31,267 INFO L860 garLoopResultBuilder]: At program point L241(lines 220 242) the Hoare annotation is: true [2021-10-21 19:31:31,267 INFO L857 garLoopResultBuilder]: For program point L76(lines 76 77) no Hoare annotation was computed. [2021-10-21 19:31:31,267 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 76 77) no Hoare annotation was computed. [2021-10-21 19:31:31,267 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-10-21 19:31:31,267 INFO L857 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-10-21 19:31:31,267 INFO L857 garLoopResultBuilder]: For program point L145(lines 145 155) no Hoare annotation was computed. [2021-10-21 19:31:31,268 INFO L857 garLoopResultBuilder]: For program point L112(lines 112 117) no Hoare annotation was computed. [2021-10-21 19:31:31,268 INFO L857 garLoopResultBuilder]: For program point L145-2(lines 123 218) no Hoare annotation was computed. [2021-10-21 19:31:31,268 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 112 117) no Hoare annotation was computed. [2021-10-21 19:31:31,268 INFO L857 garLoopResultBuilder]: For program point L146(lines 146 154) no Hoare annotation was computed. [2021-10-21 19:31:31,268 INFO L857 garLoopResultBuilder]: For program point L213(line 213) no Hoare annotation was computed. [2021-10-21 19:31:31,268 INFO L857 garLoopResultBuilder]: For program point L180(line 180) no Hoare annotation was computed. [2021-10-21 19:31:31,268 INFO L857 garLoopResultBuilder]: For program point L147(line 147) no Hoare annotation was computed. [2021-10-21 19:31:31,269 INFO L857 garLoopResultBuilder]: For program point L147-2(line 147) no Hoare annotation was computed. [2021-10-21 19:31:31,269 INFO L853 garLoopResultBuilder]: At program point L15(line 15) the Hoare annotation is: (and (let ((.cse0 (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (or (and (= (_ bv0 32) |ULTIMATE.start_isnan_float_#res|) .cse0) (and (not .cse0) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|)))) (= currentRoundingMode roundNearestTiesToEven)) [2021-10-21 19:31:31,269 INFO L853 garLoopResultBuilder]: At program point L15-1(line 15) the Hoare annotation is: (let ((.cse3 (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0))) (let ((.cse2 (not .cse3)) (.cse1 (not |ULTIMATE.start_main_#t~short46|))) (and (let ((.cse0 (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (or (and |ULTIMATE.start_main_#t~short46| (not .cse0)) (and .cse0 .cse1))) (or (and .cse2 (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|)) (and (= (_ bv0 32) |ULTIMATE.start_isnan_float_#res|) .cse3)) (or .cse2 .cse1) (= currentRoundingMode roundNearestTiesToEven)))) [2021-10-21 19:31:31,269 INFO L853 garLoopResultBuilder]: At program point L15-2(line 15) the Hoare annotation is: (let ((.cse0 (not (fp.eq |ULTIMATE.start___ieee754_atan2f_#res| |ULTIMATE.start___ieee754_atan2f_#res|))) (.cse1 (= currentRoundingMode roundNearestTiesToEven)) (.cse2 (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|))) (or (and (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0)) (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) .cse0 .cse1 .cse2) (and (not (fp.eq ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~x)) .cse0 (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0)) .cse1 .cse2))) [2021-10-21 19:31:31,270 INFO L857 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-10-21 19:31:31,270 INFO L857 garLoopResultBuilder]: For program point L82(lines 82 98) no Hoare annotation was computed. [2021-10-21 19:31:31,270 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 82 98) no Hoare annotation was computed. [2021-10-21 19:31:31,270 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-10-21 19:31:31,270 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-10-21 19:31:31,270 INFO L857 garLoopResultBuilder]: For program point L83(lines 83 89) no Hoare annotation was computed. [2021-10-21 19:31:31,270 INFO L857 garLoopResultBuilder]: For program point L116-2(line 116) no Hoare annotation was computed. [2021-10-21 19:31:31,271 INFO L853 garLoopResultBuilder]: At program point L116-3(lines 56 118) the Hoare annotation is: false [2021-10-21 19:31:31,271 INFO L857 garLoopResultBuilder]: For program point L83-3(lines 83 89) no Hoare annotation was computed. [2021-10-21 19:31:31,271 INFO L857 garLoopResultBuilder]: For program point L116-4(line 116) no Hoare annotation was computed. [2021-10-21 19:31:31,271 INFO L857 garLoopResultBuilder]: For program point L116-6(line 116) no Hoare annotation was computed. [2021-10-21 19:31:31,271 INFO L853 garLoopResultBuilder]: At program point L116-7(lines 56 118) the Hoare annotation is: false [2021-10-21 19:31:31,271 INFO L857 garLoopResultBuilder]: For program point L150(line 150) no Hoare annotation was computed. [2021-10-21 19:31:31,271 INFO L857 garLoopResultBuilder]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2021-10-21 19:31:31,272 INFO L853 garLoopResultBuilder]: At program point L19-2(lines 19 23) the Hoare annotation is: false [2021-10-21 19:31:31,272 INFO L857 garLoopResultBuilder]: For program point L19-5(lines 19 23) no Hoare annotation was computed. [2021-10-21 19:31:31,272 INFO L853 garLoopResultBuilder]: At program point L19-6(lines 19 23) the Hoare annotation is: false [2021-10-21 19:31:31,272 INFO L857 garLoopResultBuilder]: For program point L19-9(lines 19 23) no Hoare annotation was computed. [2021-10-21 19:31:31,272 INFO L853 garLoopResultBuilder]: At program point L19-10(lines 19 23) the Hoare annotation is: false [2021-10-21 19:31:31,272 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 19:31:31,272 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-10-21 19:31:31,273 INFO L857 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-10-21 19:31:31,273 INFO L857 garLoopResultBuilder]: For program point L187-2(line 187) no Hoare annotation was computed. [2021-10-21 19:31:31,273 INFO L853 garLoopResultBuilder]: At program point L123(lines 123 218) the Hoare annotation is: (let ((.cse0 (not (fp.eq |ULTIMATE.start___ieee754_atan2f_#res| |ULTIMATE.start___ieee754_atan2f_#res|))) (.cse1 (= currentRoundingMode roundNearestTiesToEven)) (.cse2 (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|))) (or (and (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0)) (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) .cse0 .cse1 .cse2) (and (not (fp.eq ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~x)) .cse0 (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0)) .cse1 .cse2))) [2021-10-21 19:31:31,273 INFO L857 garLoopResultBuilder]: For program point L24(lines 24 28) no Hoare annotation was computed. [2021-10-21 19:31:31,274 INFO L857 garLoopResultBuilder]: For program point L24-1(lines 17 30) no Hoare annotation was computed. [2021-10-21 19:31:31,274 INFO L857 garLoopResultBuilder]: For program point L24-2(lines 24 28) no Hoare annotation was computed. [2021-10-21 19:31:31,274 INFO L857 garLoopResultBuilder]: For program point L24-3(lines 24 28) no Hoare annotation was computed. [2021-10-21 19:31:31,274 INFO L857 garLoopResultBuilder]: For program point L24-4(lines 17 30) no Hoare annotation was computed. [2021-10-21 19:31:31,274 INFO L857 garLoopResultBuilder]: For program point L24-5(lines 24 28) no Hoare annotation was computed. [2021-10-21 19:31:31,275 INFO L857 garLoopResultBuilder]: For program point L24-6(lines 24 28) no Hoare annotation was computed. [2021-10-21 19:31:31,275 INFO L857 garLoopResultBuilder]: For program point L24-7(lines 17 30) no Hoare annotation was computed. [2021-10-21 19:31:31,275 INFO L857 garLoopResultBuilder]: For program point L24-8(lines 24 28) no Hoare annotation was computed. [2021-10-21 19:31:31,275 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 19:31:31,276 INFO L857 garLoopResultBuilder]: For program point L190(lines 190 195) no Hoare annotation was computed. [2021-10-21 19:31:31,276 INFO L857 garLoopResultBuilder]: For program point L91(lines 91 97) no Hoare annotation was computed. [2021-10-21 19:31:31,276 INFO L857 garLoopResultBuilder]: For program point L91-2(lines 74 99) no Hoare annotation was computed. [2021-10-21 19:31:31,276 INFO L857 garLoopResultBuilder]: For program point L91-3(lines 91 97) no Hoare annotation was computed. [2021-10-21 19:31:31,276 INFO L857 garLoopResultBuilder]: For program point L91-5(lines 74 99) no Hoare annotation was computed. [2021-10-21 19:31:31,277 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-10-21 19:31:31,277 INFO L857 garLoopResultBuilder]: For program point L158-2(line 158) no Hoare annotation was computed. [2021-10-21 19:31:31,277 INFO L857 garLoopResultBuilder]: For program point L192(lines 192 195) no Hoare annotation was computed. [2021-10-21 19:31:31,277 INFO L857 garLoopResultBuilder]: For program point L192-2(lines 190 195) no Hoare annotation was computed. [2021-10-21 19:31:31,277 INFO L857 garLoopResultBuilder]: For program point L60-1(lines 60 64) no Hoare annotation was computed. [2021-10-21 19:31:31,278 INFO L853 garLoopResultBuilder]: At program point L60-2(lines 60 64) the Hoare annotation is: false [2021-10-21 19:31:31,278 INFO L857 garLoopResultBuilder]: For program point L60-3(lines 60 64) no Hoare annotation was computed. [2021-10-21 19:31:31,278 INFO L857 garLoopResultBuilder]: For program point L60-5(lines 60 64) no Hoare annotation was computed. [2021-10-21 19:31:31,278 INFO L853 garLoopResultBuilder]: At program point L60-6(lines 60 64) the Hoare annotation is: false [2021-10-21 19:31:31,279 INFO L857 garLoopResultBuilder]: For program point L60-7(lines 60 64) no Hoare annotation was computed. [2021-10-21 19:31:31,279 INFO L857 garLoopResultBuilder]: For program point L160(lines 160 184) no Hoare annotation was computed. [2021-10-21 19:31:31,279 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 123 218) no Hoare annotation was computed. [2021-10-21 19:31:31,279 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 127 131) no Hoare annotation was computed. [2021-10-21 19:31:31,280 INFO L853 garLoopResultBuilder]: At program point L127-2(lines 127 131) the Hoare annotation is: (let ((.cse0 (= currentRoundingMode roundNearestTiesToEven)) (.cse1 (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|))) (or (and (not (fp.eq ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~x)) (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0)) .cse0 .cse1) (and (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0)) (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) .cse0 .cse1))) [2021-10-21 19:31:31,280 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 19:31:31,280 INFO L857 garLoopResultBuilder]: For program point L127-3(lines 127 131) no Hoare annotation was computed. [2021-10-21 19:31:31,280 INFO L857 garLoopResultBuilder]: For program point L161(lines 161 183) no Hoare annotation was computed. [2021-10-21 19:31:31,281 INFO L853 garLoopResultBuilder]: At program point L29(lines 17 30) the Hoare annotation is: false [2021-10-21 19:31:31,281 INFO L853 garLoopResultBuilder]: At program point L29-1(lines 17 30) the Hoare annotation is: false [2021-10-21 19:31:31,281 INFO L853 garLoopResultBuilder]: At program point L29-2(lines 17 30) the Hoare annotation is: false [2021-10-21 19:31:31,281 INFO L857 garLoopResultBuilder]: For program point L162(lines 162 171) no Hoare annotation was computed. [2021-10-21 19:31:31,282 INFO L857 garLoopResultBuilder]: For program point L229(line 229) no Hoare annotation was computed. [2021-10-21 19:31:31,282 INFO L857 garLoopResultBuilder]: For program point L196(lines 196 217) no Hoare annotation was computed. [2021-10-21 19:31:31,282 INFO L857 garLoopResultBuilder]: For program point L229-2(lines 229 239) no Hoare annotation was computed. [2021-10-21 19:31:31,282 INFO L857 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-10-21 19:31:31,282 INFO L857 garLoopResultBuilder]: For program point L229-4(lines 229 239) no Hoare annotation was computed. [2021-10-21 19:31:31,283 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-10-21 19:31:31,283 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 19:31:31,283 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 236) no Hoare annotation was computed. [2021-10-21 19:31:31,283 INFO L857 garLoopResultBuilder]: For program point L165(line 165) no Hoare annotation was computed. [2021-10-21 19:31:31,284 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 73) no Hoare annotation was computed. [2021-10-21 19:31:31,284 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 66 73) no Hoare annotation was computed. [2021-10-21 19:31:31,284 INFO L857 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-10-21 19:31:31,284 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 133 137) no Hoare annotation was computed. [2021-10-21 19:31:31,285 INFO L853 garLoopResultBuilder]: At program point L133-2(lines 133 137) the Hoare annotation is: (let ((.cse0 (= currentRoundingMode roundNearestTiesToEven)) (.cse1 (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|))) (or (and (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0)) (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) .cse0 .cse1) (and (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1) ULTIMATE.start___ieee754_atan2f_~ix~2) (not (let ((.cse2 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)))) (fp.eq .cse2 .cse2))))) (not (fp.eq ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~x)) (not (let ((.cse3 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)))) (fp.eq .cse3 .cse3))) (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0)) .cse0 .cse1))) [2021-10-21 19:31:31,285 INFO L857 garLoopResultBuilder]: For program point L67(lines 67 68) no Hoare annotation was computed. [2021-10-21 19:31:31,285 INFO L857 garLoopResultBuilder]: For program point L133-3(lines 133 137) no Hoare annotation was computed. [2021-10-21 19:31:31,285 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 67 68) no Hoare annotation was computed. [2021-10-21 19:31:31,285 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-10-21 19:31:31,291 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:31:31,303 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:31:31,306 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:31:31,308 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:31:31,308 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:31:31,310 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:31:31,310 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:31:31,312 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:31:31,312 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:31:31,313 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:31:31,313 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:31:31,316 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:31:31,316 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-21 19:31:31,317 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-21 19:31:31,317 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-21 19:31:31,317 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-21 19:31:31,317 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-21 19:31:31,318 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-21 19:31:31,318 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-21 19:31:31,318 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:31:31,321 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:31:31,321 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-21 19:31:31,321 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-21 19:31:31,321 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-21 19:31:31,322 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-21 19:31:31,322 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-21 19:31:31,322 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-21 19:31:31,323 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-21 19:31:31,323 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:31:31,324 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:31:31,325 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:31:31,326 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:31:31,327 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:31:31,328 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:31:31,329 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:31:31,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:31:31 BoogieIcfgContainer [2021-10-21 19:31:31,330 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:31:31,331 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:31:31,331 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:31:31,331 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:31:31,332 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:27:20" (3/4) ... [2021-10-21 19:31:31,335 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:31:31,357 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2021-10-21 19:31:31,358 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-10-21 19:31:31,358 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:31:31,359 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:31:31,388 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == \result && ~fp.eq~FLOAT(x, x)) || (!~fp.eq~FLOAT(x, x) && 1bv32 == \result)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-10-21 19:31:31,388 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((aux-isnan_float(x) || isnan_float(y)-aux && !~fp.eq~FLOAT(x, x)) || (~fp.eq~FLOAT(x, x) && !aux-isnan_float(x) || isnan_float(y)-aux)) && ((!~fp.eq~FLOAT(y, y) && 1bv32 == \result) || (0bv32 == \result && ~fp.eq~FLOAT(y, y)))) && (!~fp.eq~FLOAT(y, y) || !aux-isnan_float(x) || isnan_float(y)-aux)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-10-21 19:31:31,389 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!~fp.eq~FLOAT(x, x) && !~fp.eq~FLOAT(x, x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) || (((!~fp.eq~FLOAT(y, y) && !~fp.eq~FLOAT(y, y)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) [2021-10-21 19:31:31,389 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!~fp.eq~FLOAT(y, y) && !~fp.eq~FLOAT(y, y)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) || ((((((\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix && !~fp.eq~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]), ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]))) && !~fp.eq~FLOAT(x, x)) && !~fp.eq~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]))) && !~fp.eq~FLOAT(x, x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) [2021-10-21 19:31:31,389 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!~fp.eq~FLOAT(y, y) && !~fp.eq~FLOAT(y, y)) && !~fp.eq~FLOAT(\result, \result)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) || ((((!~fp.eq~FLOAT(x, x) && !~fp.eq~FLOAT(\result, \result)) && !~fp.eq~FLOAT(x, x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) [2021-10-21 19:31:31,391 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!~fp.eq~FLOAT(y, y) && !~fp.eq~FLOAT(y, y)) && !~fp.eq~FLOAT(\result, \result)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) || ((((!~fp.eq~FLOAT(x, x) && !~fp.eq~FLOAT(\result, \result)) && !~fp.eq~FLOAT(x, x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) [2021-10-21 19:31:31,464 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:31:31,465 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:31:31,467 INFO L168 Benchmark]: Toolchain (without parser) took 275659.37 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 37.1 MB in the beginning and 47.3 MB in the end (delta: -10.2 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:31:31,467 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 58.7 MB. Free memory is still 39.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:31:31,468 INFO L168 Benchmark]: CACSL2BoogieTranslator took 489.88 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 36.9 MB in the beginning and 51.1 MB in the end (delta: -14.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:31:31,469 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.17 ms. Allocated memory is still 71.3 MB. Free memory was 50.9 MB in the beginning and 47.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:31:31,469 INFO L168 Benchmark]: Boogie Preprocessor took 115.80 ms. Allocated memory is still 71.3 MB. Free memory was 47.6 MB in the beginning and 44.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:31:31,470 INFO L168 Benchmark]: RCFGBuilder took 24318.91 ms. Allocated memory is still 71.3 MB. Free memory was 44.0 MB in the beginning and 45.6 MB in the end (delta: -1.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-21 19:31:31,470 INFO L168 Benchmark]: TraceAbstraction took 250519.26 ms. Allocated memory is still 71.3 MB. Free memory was 45.1 MB in the beginning and 30.7 MB in the end (delta: 14.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 16.1 GB. [2021-10-21 19:31:31,471 INFO L168 Benchmark]: Witness Printer took 133.82 ms. Allocated memory is still 71.3 MB. Free memory was 30.7 MB in the beginning and 47.3 MB in the end (delta: -16.5 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. [2021-10-21 19:31:31,474 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 58.7 MB. Free memory is still 39.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 489.88 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 36.9 MB in the beginning and 51.1 MB in the end (delta: -14.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.17 ms. Allocated memory is still 71.3 MB. Free memory was 50.9 MB in the beginning and 47.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 115.80 ms. Allocated memory is still 71.3 MB. Free memory was 47.6 MB in the beginning and 44.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 24318.91 ms. Allocated memory is still 71.3 MB. Free memory was 44.0 MB in the beginning and 45.6 MB in the end (delta: -1.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 250519.26 ms. Allocated memory is still 71.3 MB. Free memory was 45.1 MB in the beginning and 30.7 MB in the end (delta: 14.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 16.1 GB. * Witness Printer took 133.82 ms. Allocated memory is still 71.3 MB. Free memory was 30.7 MB in the beginning and 47.3 MB in the end (delta: -16.5 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 236]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 115 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 250409.9ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 17.3ms, AutomataDifference: 218003.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 2020.9ms, InitialAbstractionConstructionTime: 13.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 666 SDtfs, 2383 SDslu, 3488 SDs, 0 SdLazy, 1054 SolverSat, 51 SolverUnsat, 35 SolverUnknown, 0 SolverNotchecked, 202376.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 192 GetRequests, 120 SyntacticMatches, 2 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 3 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 24960.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=3, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 111.5ms AutomataMinimizationTime, 5 MinimizatonAttempts, 229 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 18 LocationsWithAnnotation, 18 PreInvPairs, 27 NumberOfFragments, 251 HoareAnnotationTreeSize, 18 FomulaSimplifications, 46 FormulaSimplificationTreeSizeReduction, 119.5ms HoareSimplificationTime, 18 FomulaSimplificationsInter, 14 FormulaSimplificationTreeSizeReductionInter, 1893.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 100.5ms SsaConstructionTime, 4598.1ms SatisfiabilityAnalysisTime, 24020.3ms InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 170 ConstructedInterpolants, 33 QuantifiedInterpolants, 1076 SizeOfPredicates, 53 NumberOfNonLiveVariables, 618 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 15]: Loop Invariant [2021-10-21 19:31:31,493 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:31:31,493 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((0bv32 == \result && ~fp.eq~FLOAT(x, x)) || (!~fp.eq~FLOAT(x, x) && 1bv32 == \result)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant [2021-10-21 19:31:31,495 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:31:31,498 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:31:31,501 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:31:31,502 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((!~fp.eq~FLOAT(y, y) && !~fp.eq~FLOAT(y, y)) && !~fp.eq~FLOAT(\result, \result)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) || ((((!~fp.eq~FLOAT(x, x) && !~fp.eq~FLOAT(\result, \result)) && !~fp.eq~FLOAT(x, x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 15]: Loop Invariant [2021-10-21 19:31:31,513 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:31:31,513 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:31:31,514 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:31:31,514 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((!~fp.eq~FLOAT(y, y) && !~fp.eq~FLOAT(y, y)) && !~fp.eq~FLOAT(\result, \result)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) || ((((!~fp.eq~FLOAT(x, x) && !~fp.eq~FLOAT(\result, \result)) && !~fp.eq~FLOAT(x, x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) - InvariantResult [Line: 133]: Loop Invariant [2021-10-21 19:31:31,515 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:31:31,515 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-21 19:31:31,515 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-21 19:31:31,515 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-21 19:31:31,516 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-21 19:31:31,516 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-21 19:31:31,516 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-21 19:31:31,516 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-21 19:31:31,517 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:31:31,517 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:31:31,518 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-21 19:31:31,519 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-21 19:31:31,519 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-21 19:31:31,519 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-21 19:31:31,519 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-21 19:31:31,520 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-21 19:31:31,520 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2021-10-21 19:31:31,522 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((!~fp.eq~FLOAT(y, y) && !~fp.eq~FLOAT(y, y)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) || ((((((\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix && !~fp.eq~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]), ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]))) && !~fp.eq~FLOAT(x, x)) && !~fp.eq~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]))) && !~fp.eq~FLOAT(x, x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant [2021-10-21 19:31:31,523 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:31:31,524 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:31:31,524 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:31:31,524 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((!~fp.eq~FLOAT(x, x) && !~fp.eq~FLOAT(x, x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) || (((!~fp.eq~FLOAT(y, y) && !~fp.eq~FLOAT(y, y)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 15]: Loop Invariant [2021-10-21 19:31:31,525 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:31:31,525 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((aux-isnan_float(x) || isnan_float(y)-aux && !~fp.eq~FLOAT(x, x)) || (~fp.eq~FLOAT(x, x) && !aux-isnan_float(x) || isnan_float(y)-aux)) && ((!~fp.eq~FLOAT(y, y) && 1bv32 == \result) || (0bv32 == \result && ~fp.eq~FLOAT(y, y)))) && (!~fp.eq~FLOAT(y, y) || !aux-isnan_float(x) || isnan_float(y)-aux)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-21 19:31:31,757 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-10-21 19:31:31,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9dcec2e-12d1-4bfb-bd93-6ddfbba6680d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...