./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0330b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0330b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y --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 95270295f2f54973f5a4406f4d5640e80eb5820da515d0f17ae47a66fb97633c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 17:51:18,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 17:51:18,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 17:51:19,056 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 17:51:19,064 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 17:51:19,065 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 17:51:19,067 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 17:51:19,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 17:51:19,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 17:51:19,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 17:51:19,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 17:51:19,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 17:51:19,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 17:51:19,093 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 17:51:19,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 17:51:19,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 17:51:19,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 17:51:19,106 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 17:51:19,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 17:51:19,117 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 17:51:19,124 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 17:51:19,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 17:51:19,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 17:51:19,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 17:51:19,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 17:51:19,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 17:51:19,136 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 17:51:19,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 17:51:19,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 17:51:19,140 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 17:51:19,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 17:51:19,141 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 17:51:19,142 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 17:51:19,144 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 17:51:19,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 17:51:19,145 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 17:51:19,146 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 17:51:19,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 17:51:19,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 17:51:19,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 17:51:19,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 17:51:19,150 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-13 17:51:19,194 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 17:51:19,194 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 17:51:19,195 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 17:51:19,196 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 17:51:19,204 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 17:51:19,205 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 17:51:19,206 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 17:51:19,206 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 17:51:19,206 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 17:51:19,207 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 17:51:19,208 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 17:51:19,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 17:51:19,209 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 17:51:19,209 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 17:51:19,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 17:51:19,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 17:51:19,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 17:51:19,210 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 17:51:19,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 17:51:19,211 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 17:51:19,211 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 17:51:19,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 17:51:19,212 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 17:51:19,212 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 17:51:19,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:51:19,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 17:51:19,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 17:51:19,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 17:51:19,214 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 17:51:19,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 17:51:19,216 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 17:51:19,216 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 17:51:19,217 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 17:51:19,217 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 17:51:19,217 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_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95270295f2f54973f5a4406f4d5640e80eb5820da515d0f17ae47a66fb97633c [2021-11-13 17:51:19,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 17:51:19,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 17:51:19,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 17:51:19,537 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 17:51:19,538 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 17:51:19,540 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/float-newlib/float_req_bl_0330b.c [2021-11-13 17:51:19,624 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/data/9ebfc03b9/373b3413d63f404b81e75b9e4436e427/FLAG40e36993f [2021-11-13 17:51:20,284 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 17:51:20,285 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/sv-benchmarks/c/float-newlib/float_req_bl_0330b.c [2021-11-13 17:51:20,299 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/data/9ebfc03b9/373b3413d63f404b81e75b9e4436e427/FLAG40e36993f [2021-11-13 17:51:20,528 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/data/9ebfc03b9/373b3413d63f404b81e75b9e4436e427 [2021-11-13 17:51:20,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 17:51:20,531 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 17:51:20,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 17:51:20,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 17:51:20,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 17:51:20,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:51:20" (1/1) ... [2021-11-13 17:51:20,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bd036f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:51:20, skipping insertion in model container [2021-11-13 17:51:20,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:51:20" (1/1) ... [2021-11-13 17:51:20,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 17:51:20,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 17:51:21,002 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_08019f4b-982f-4978-b278-8ffd9ea3c02d/sv-benchmarks/c/float-newlib/float_req_bl_0330b.c[15498,15511] [2021-11-13 17:51:21,006 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:51:21,048 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 17:51:21,185 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_08019f4b-982f-4978-b278-8ffd9ea3c02d/sv-benchmarks/c/float-newlib/float_req_bl_0330b.c[15498,15511] [2021-11-13 17:51:21,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:51:21,239 INFO L208 MainTranslator]: Completed translation [2021-11-13 17:51:21,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:51:21 WrapperNode [2021-11-13 17:51:21,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 17:51:21,242 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 17:51:21,242 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 17:51:21,242 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 17:51:21,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:51:21" (1/1) ... [2021-11-13 17:51:21,283 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:51:21" (1/1) ... [2021-11-13 17:51:21,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 17:51:21,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 17:51:21,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 17:51:21,390 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 17:51:21,400 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:51:21" (1/1) ... [2021-11-13 17:51:21,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:51:21" (1/1) ... [2021-11-13 17:51:21,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:51:21" (1/1) ... [2021-11-13 17:51:21,433 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:51:21" (1/1) ... [2021-11-13 17:51:21,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:51:21" (1/1) ... [2021-11-13 17:51:21,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:51:21" (1/1) ... [2021-11-13 17:51:21,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:51:21" (1/1) ... [2021-11-13 17:51:21,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 17:51:21,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 17:51:21,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 17:51:21,571 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 17:51:21,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:51:21" (1/1) ... [2021-11-13 17:51:21,591 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:51:21,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:51:21,623 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 17:51:21,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 17:51:21,682 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2021-11-13 17:51:21,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2021-11-13 17:51:21,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 17:51:21,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-13 17:51:21,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 17:51:21,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-13 17:51:21,683 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2021-11-13 17:51:21,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2021-11-13 17:51:21,684 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2021-11-13 17:51:21,684 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2021-11-13 17:51:21,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 17:51:21,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-13 17:51:21,684 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2021-11-13 17:51:21,685 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2021-11-13 17:51:21,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 17:51:21,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 17:51:21,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 17:51:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 17:51:23,201 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 17:51:23,201 INFO L299 CfgBuilder]: Removed 59 assume(true) statements. [2021-11-13 17:51:23,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:51:23 BoogieIcfgContainer [2021-11-13 17:51:23,204 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 17:51:23,210 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 17:51:23,210 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 17:51:23,213 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 17:51:23,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 05:51:20" (1/3) ... [2021-11-13 17:51:23,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e7da83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:51:23, skipping insertion in model container [2021-11-13 17:51:23,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:51:21" (2/3) ... [2021-11-13 17:51:23,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e7da83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:51:23, skipping insertion in model container [2021-11-13 17:51:23,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:51:23" (3/3) ... [2021-11-13 17:51:23,241 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0330b.c [2021-11-13 17:51:23,247 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 17:51:23,247 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 17:51:23,295 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 17:51:23,302 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 [2021-11-13 17:51:23,302 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 17:51:23,332 INFO L276 IsEmpty]: Start isEmpty. Operand has 245 states, 227 states have (on average 1.6607929515418502) internal successors, (377), 228 states have internal predecessors, (377), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-13 17:51:23,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 17:51:23,336 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:51:23,337 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:51:23,338 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:51:23,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:51:23,343 INFO L85 PathProgramCache]: Analyzing trace with hash -709379349, now seen corresponding path program 1 times [2021-11-13 17:51:23,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:51:23,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818755019] [2021-11-13 17:51:23,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:51:23,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:51:23,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:51:23,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:51:23,680 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:51:23,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818755019] [2021-11-13 17:51:23,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818755019] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:51:23,681 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:51:23,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 17:51:23,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625034248] [2021-11-13 17:51:23,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:51:23,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 17:51:23,687 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:51:23,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 17:51:23,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 17:51:23,714 INFO L87 Difference]: Start difference. First operand has 245 states, 227 states have (on average 1.6607929515418502) internal successors, (377), 228 states have internal predecessors, (377), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-11-13 17:51:23,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:51:23,782 INFO L93 Difference]: Finished difference Result 488 states and 812 transitions. [2021-11-13 17:51:23,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 17:51:23,784 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2021-11-13 17:51:23,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:51:23,799 INFO L225 Difference]: With dead ends: 488 [2021-11-13 17:51:23,799 INFO L226 Difference]: Without dead ends: 242 [2021-11-13 17:51:23,805 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 17:51:23,809 INFO L933 BasicCegarLoop]: 341 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.10ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-13 17:51:23,810 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 5.10ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-13 17:51:23,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2021-11-13 17:51:23,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2021-11-13 17:51:23,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 225 states have (on average 1.3955555555555557) internal successors, (314), 225 states have internal predecessors, (314), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-13 17:51:23,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 338 transitions. [2021-11-13 17:51:23,880 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 338 transitions. Word has length 10 [2021-11-13 17:51:23,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:51:23,881 INFO L470 AbstractCegarLoop]: Abstraction has 242 states and 338 transitions. [2021-11-13 17:51:23,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-11-13 17:51:23,881 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 338 transitions. [2021-11-13 17:51:23,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 17:51:23,882 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:51:23,882 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:51:23,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 17:51:23,883 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:51:23,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:51:23,884 INFO L85 PathProgramCache]: Analyzing trace with hash 759304673, now seen corresponding path program 1 times [2021-11-13 17:51:23,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:51:23,885 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347953395] [2021-11-13 17:51:23,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:51:23,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:51:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:51:24,077 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:51:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:51:24,283 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:51:24,283 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-13 17:51:24,285 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-13 17:51:24,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 17:51:24,290 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-13 17:51:24,293 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 17:51:24,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 05:51:24 BoogieIcfgContainer [2021-11-13 17:51:24,382 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 17:51:24,383 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 17:51:24,383 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 17:51:24,383 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 17:51:24,384 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:51:23" (3/4) ... [2021-11-13 17:51:24,387 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-13 17:51:24,387 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 17:51:24,388 INFO L158 Benchmark]: Toolchain (without parser) took 3856.47ms. Allocated memory was 109.1MB in the beginning and 134.2MB in the end (delta: 25.2MB). Free memory was 76.1MB in the beginning and 86.0MB in the end (delta: -9.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-13 17:51:24,389 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 109.1MB. Free memory is still 62.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 17:51:24,390 INFO L158 Benchmark]: CACSL2BoogieTranslator took 707.57ms. Allocated memory was 109.1MB in the beginning and 134.2MB in the end (delta: 25.2MB). Free memory was 75.8MB in the beginning and 89.4MB in the end (delta: -13.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 17:51:24,391 INFO L158 Benchmark]: Boogie Procedure Inliner took 147.49ms. Allocated memory is still 134.2MB. Free memory was 89.4MB in the beginning and 82.5MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-13 17:51:24,391 INFO L158 Benchmark]: Boogie Preprocessor took 179.63ms. Allocated memory is still 134.2MB. Free memory was 82.5MB in the beginning and 76.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-13 17:51:24,392 INFO L158 Benchmark]: RCFGBuilder took 1633.85ms. Allocated memory is still 134.2MB. Free memory was 75.6MB in the beginning and 53.3MB in the end (delta: 22.3MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2021-11-13 17:51:24,393 INFO L158 Benchmark]: TraceAbstraction took 1172.20ms. Allocated memory is still 134.2MB. Free memory was 52.7MB in the beginning and 86.9MB in the end (delta: -34.2MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2021-11-13 17:51:24,393 INFO L158 Benchmark]: Witness Printer took 4.85ms. Allocated memory is still 134.2MB. Free memory was 86.9MB in the beginning and 86.0MB in the end (delta: 907.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 17:51:24,398 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 109.1MB. Free memory is still 62.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 707.57ms. Allocated memory was 109.1MB in the beginning and 134.2MB in the end (delta: 25.2MB). Free memory was 75.8MB in the beginning and 89.4MB in the end (delta: -13.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 147.49ms. Allocated memory is still 134.2MB. Free memory was 89.4MB in the beginning and 82.5MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 179.63ms. Allocated memory is still 134.2MB. Free memory was 82.5MB in the beginning and 76.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1633.85ms. Allocated memory is still 134.2MB. Free memory was 75.6MB in the beginning and 53.3MB in the end (delta: 22.3MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1172.20ms. Allocated memory is still 134.2MB. Free memory was 52.7MB in the beginning and 86.9MB in the end (delta: -34.2MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Witness Printer took 4.85ms. Allocated memory is still 134.2MB. Free memory was 86.9MB in the beginning and 86.0MB in the end (delta: 907.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 613]: 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 64, overapproximation of someUnaryDOUBLEoperation at line 500, overapproximation of bitwiseAnd at line 579, overapproximation of someBinaryArithmeticFLOAToperation at line 584. Possible FailurePath: [L18] static const float huge_floor = 1.0e30; [L86-L88] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L158] static const int init_jk_krempio[] = {4, 7, 9}; [L160-L164] static const float PIo2_krempio[] = { 1.5703125000e+00, 4.5776367188e-04, 2.5987625122e-05, 7.5437128544e-08, 6.0026650317e-11, 7.3896444519e-13, 5.3845816694e-15, 5.6378512969e-18, 8.3009228831e-20, 3.2756352257e-22, 6.3331015649e-25, }; [L166-L168] static const float zero_krempio = 0.0, one_krempio = 1.0, two8_krempio = 2.5600000000e+02, twon8_krempio = 3.9062500000e-03; [L343-L361] static const __int32_t two_over_pi_rempio[] = { 0xA2, 0xF9, 0x83, 0x6E, 0x4E, 0x44, 0x15, 0x29, 0xFC, 0x27, 0x57, 0xD1, 0xF5, 0x34, 0xDD, 0xC0, 0xDB, 0x62, 0x95, 0x99, 0x3C, 0x43, 0x90, 0x41, 0xFE, 0x51, 0x63, 0xAB, 0xDE, 0xBB, 0xC5, 0x61, 0xB7, 0x24, 0x6E, 0x3A, 0x42, 0x4D, 0xD2, 0xE0, 0x06, 0x49, 0x2E, 0xEA, 0x09, 0xD1, 0x92, 0x1C, 0xFE, 0x1D, 0xEB, 0x1C, 0xB1, 0x29, 0xA7, 0x3E, 0xE8, 0x82, 0x35, 0xF5, 0x2E, 0xBB, 0x44, 0x84, 0xE9, 0x9C, 0x70, 0x26, 0xB4, 0x5F, 0x7E, 0x41, 0x39, 0x91, 0xD6, 0x39, 0x83, 0x53, 0x39, 0xF4, 0x9C, 0x84, 0x5F, 0x8B, 0xBD, 0xF9, 0x28, 0x3B, 0x1F, 0xF8, 0x97, 0xFF, 0xDE, 0x05, 0x98, 0x0F, 0xEF, 0x2F, 0x11, 0x8B, 0x5A, 0x0A, 0x6D, 0x1F, 0x6D, 0x36, 0x7E, 0xCF, 0x27, 0xCB, 0x09, 0xB7, 0x4F, 0x46, 0x3F, 0x66, 0x9E, 0x5F, 0xEA, 0x2D, 0x75, 0x27, 0xBA, 0xC7, 0xEB, 0xE5, 0xF1, 0x7B, 0x3D, 0x07, 0x39, 0xF7, 0x8A, 0x52, 0x92, 0xEA, 0x6B, 0xFB, 0x5F, 0xB1, 0x1F, 0x8D, 0x5D, 0x08, 0x56, 0x03, 0x30, 0x46, 0xFC, 0x7B, 0x6B, 0xAB, 0xF0, 0xCF, 0xBC, 0x20, 0x9A, 0xF4, 0x36, 0x1D, 0xA9, 0xE3, 0x91, 0x61, 0x5E, 0xE6, 0x1B, 0x08, 0x65, 0x99, 0x85, 0x5F, 0x14, 0xA0, 0x68, 0x40, 0x8D, 0xFF, 0xD8, 0x80, 0x4D, 0x73, 0x27, 0x31, 0x06, 0x06, 0x15, 0x56, 0xCA, 0x73, 0xA8, 0xC9, 0x60, 0xE2, 0x7B, 0xC0, 0x8C, 0x6B, }; [L363-L369] static const __int32_t npio2_hw_rempio[] = { 0x3fc90f00, 0x40490f00, 0x4096cb00, 0x40c90f00, 0x40fb5300, 0x4116cb00, 0x412fed00, 0x41490f00, 0x41623100, 0x417b5300, 0x418a3a00, 0x4196cb00, 0x41a35c00, 0x41afed00, 0x41bc7e00, 0x41c90f00, 0x41d5a000, 0x41e23100, 0x41eec200, 0x41fb5300, 0x4203f200, 0x420a3a00, 0x42108300, 0x4216cb00, 0x421d1400, 0x42235c00, 0x4229a500, 0x422fed00, 0x42363600, 0x423c7e00, 0x4242c700, 0x42490f00}; [L371-L380] static const float zero_rempio = 0.0000000000e+00, half_rempio = 5.0000000000e-01, two8_rempio = 2.5600000000e+02, invpio2_rempio = 6.3661980629e-01, pio2_1_rempio = 1.5707855225e+00, pio2_1t_rempio = 1.0804334124e-05, pio2_2_rempio = 1.0804273188e-05, pio2_2t_rempio = 6.0770999344e-11, pio2_3_rempio = 6.0770943833e-11, pio2_3t_rempio = 6.1232342629e-17; [L500-L503] static const float half_ksin = 5.0000000000e-01, S1_ksin = -1.6666667163e-01, S2_ksin = 8.3333337680e-03, S3_ksin = -1.9841270114e-04, S4_ksin = 2.7557314297e-06, S5_ksin = -2.5050759689e-08, S6_ksin = 1.5896910177e-10; [L527-L530] static const float one_kcos = 1.0000000000e+00, C1_kcos = 4.1666667908e-02, C2_kcos = -1.3888889225e-03, C3_kcos = 2.4801587642e-05, C4_kcos = -2.7557314297e-07, C5_kcos = 2.0875723372e-09, C6_kcos = -1.1359647598e-11; [L567] static const float one_cos = 1.0; VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={25:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={19:0}, one_cos=1, one_kcos=1, one_krempio=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={22:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={18:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, zero_krempio=0, zero_rempio=0] [L608] float x = -1.0f / 0.0f; [L609] CALL, EXPR cos_float(x) [L570] float y[2], z = 0.0; [L571] __int32_t n, ix; VAL [\old(x)=1000000000000000000000000000002, C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={25:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={19:0}, one_cos=1, one_kcos=1, one_krempio=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={22:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={18:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, y={26:0}, z=0, zero_krempio=0, zero_rempio=0] [L574] ieee_float_shape_type gf_u; [L575] gf_u.value = (x) [L576] EXPR gf_u.word [L576] (ix) = gf_u.word [L579] ix &= 0x7fffffff VAL [\old(x)=1000000000000000000000000000002, C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={25:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={19:0}, one_cos=1, one_kcos=1, one_krempio=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={22:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={18:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, y={26:0}, z=0, zero_krempio=0, zero_rempio=0] [L580] COND FALSE !(ix <= 0x3f490fd8) VAL [\old(x)=1000000000000000000000000000002, C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={25:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={19:0}, one_cos=1, one_kcos=1, one_krempio=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={22:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={18:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, y={26:0}, z=0, zero_krempio=0, zero_rempio=0] [L583] COND TRUE !((ix) < 0x7f800000L) [L584] return x - x; [L584] return x - x; VAL [\old(x)=1000000000000000000000000000002, C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={25:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={19:0}, one_cos=1, one_kcos=1, one_krempio=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={22:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={18:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, z=0, zero_krempio=0, zero_rempio=0] [L609] RET, EXPR cos_float(x) [L609] float res = cos_float(x); [L612] CALL, EXPR isnan_float(res) [L64] return x != x; VAL [\old(x)=1000000000000000000000000000001, \result=0, C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={25:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={19:0}, one_cos=1, one_kcos=1, one_krempio=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={22:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={18:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000001, zero_krempio=0, zero_rempio=0] [L612] RET, EXPR isnan_float(res) [L612] COND TRUE !isnan_float(res) [L613] reach_error() VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={25:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={19:0}, one_cos=1, one_kcos=1, one_krempio=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={22:0}, res=1000000000000000000000000000001, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={18:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.00ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 341 SdHoareTripleChecker+Invalid, 0.00ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 341 mSDtfsCounter, 0 mSolverCounterSat, 5.10ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=245occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 [2021-11-13 17:51:24,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0330b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y --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 95270295f2f54973f5a4406f4d5640e80eb5820da515d0f17ae47a66fb97633c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 17:51:27,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 17:51:27,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 17:51:27,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 17:51:27,373 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 17:51:27,378 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 17:51:27,381 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 17:51:27,390 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 17:51:27,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 17:51:27,403 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 17:51:27,405 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 17:51:27,408 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 17:51:27,408 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 17:51:27,412 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 17:51:27,414 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 17:51:27,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 17:51:27,423 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 17:51:27,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 17:51:27,428 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 17:51:27,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 17:51:27,440 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 17:51:27,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 17:51:27,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 17:51:27,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 17:51:27,451 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 17:51:27,451 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 17:51:27,452 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 17:51:27,453 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 17:51:27,454 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 17:51:27,455 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 17:51:27,456 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 17:51:27,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 17:51:27,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 17:51:27,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 17:51:27,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 17:51:27,461 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 17:51:27,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 17:51:27,462 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 17:51:27,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 17:51:27,465 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 17:51:27,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 17:51:27,472 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-11-13 17:51:27,522 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 17:51:27,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 17:51:27,523 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 17:51:27,523 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 17:51:27,524 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 17:51:27,525 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 17:51:27,526 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 17:51:27,526 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 17:51:27,527 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 17:51:27,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 17:51:27,528 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 17:51:27,528 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 17:51:27,529 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 17:51:27,529 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 17:51:27,529 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 17:51:27,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 17:51:27,529 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 17:51:27,530 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 17:51:27,530 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 17:51:27,530 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 17:51:27,530 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 17:51:27,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 17:51:27,531 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 17:51:27,531 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 17:51:27,531 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 17:51:27,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:51:27,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 17:51:27,532 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 17:51:27,532 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 17:51:27,532 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-13 17:51:27,533 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 17:51:27,533 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 17:51:27,533 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 17:51:27,533 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 17:51:27,534 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 17:51:27,534 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 17:51:27,534 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_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95270295f2f54973f5a4406f4d5640e80eb5820da515d0f17ae47a66fb97633c [2021-11-13 17:51:27,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 17:51:27,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 17:51:27,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 17:51:27,962 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 17:51:27,962 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 17:51:27,964 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/float-newlib/float_req_bl_0330b.c [2021-11-13 17:51:28,046 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/data/e48938d4f/2eda6419c9934b8f8a6c190287ab2d02/FLAGfbcb4511b [2021-11-13 17:51:28,757 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 17:51:28,757 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/sv-benchmarks/c/float-newlib/float_req_bl_0330b.c [2021-11-13 17:51:28,776 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/data/e48938d4f/2eda6419c9934b8f8a6c190287ab2d02/FLAGfbcb4511b [2021-11-13 17:51:29,039 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/data/e48938d4f/2eda6419c9934b8f8a6c190287ab2d02 [2021-11-13 17:51:29,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 17:51:29,044 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 17:51:29,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 17:51:29,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 17:51:29,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 17:51:29,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:51:29" (1/1) ... [2021-11-13 17:51:29,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3384ef28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:51:29, skipping insertion in model container [2021-11-13 17:51:29,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:51:29" (1/1) ... [2021-11-13 17:51:29,078 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 17:51:29,154 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 17:51:29,545 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_08019f4b-982f-4978-b278-8ffd9ea3c02d/sv-benchmarks/c/float-newlib/float_req_bl_0330b.c[15498,15511] [2021-11-13 17:51:29,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:51:29,636 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 17:51:29,825 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_08019f4b-982f-4978-b278-8ffd9ea3c02d/sv-benchmarks/c/float-newlib/float_req_bl_0330b.c[15498,15511] [2021-11-13 17:51:29,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:51:29,887 INFO L208 MainTranslator]: Completed translation [2021-11-13 17:51:29,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:51:29 WrapperNode [2021-11-13 17:51:29,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 17:51:29,889 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 17:51:29,890 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 17:51:29,890 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 17:51:29,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:51:29" (1/1) ... [2021-11-13 17:51:29,938 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:51:29" (1/1) ... [2021-11-13 17:51:30,022 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 17:51:30,023 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 17:51:30,023 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 17:51:30,023 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 17:51:30,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:51:29" (1/1) ... [2021-11-13 17:51:30,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:51:29" (1/1) ... [2021-11-13 17:51:30,053 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:51:29" (1/1) ... [2021-11-13 17:51:30,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:51:29" (1/1) ... [2021-11-13 17:51:30,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:51:29" (1/1) ... [2021-11-13 17:51:30,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:51:29" (1/1) ... [2021-11-13 17:51:30,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:51:29" (1/1) ... [2021-11-13 17:51:30,192 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 17:51:30,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 17:51:30,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 17:51:30,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 17:51:30,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:51:29" (1/1) ... [2021-11-13 17:51:30,224 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:51:30,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:51:30,255 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 17:51:30,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 17:51:30,310 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2021-11-13 17:51:30,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2021-11-13 17:51:30,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 17:51:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-13 17:51:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 17:51:30,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-11-13 17:51:30,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-13 17:51:30,313 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2021-11-13 17:51:30,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2021-11-13 17:51:30,313 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2021-11-13 17:51:30,314 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2021-11-13 17:51:30,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-11-13 17:51:30,314 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2021-11-13 17:51:30,314 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2021-11-13 17:51:30,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-11-13 17:51:30,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 17:51:30,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 17:51:30,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 17:51:30,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 17:52:07,089 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 17:52:07,090 INFO L299 CfgBuilder]: Removed 59 assume(true) statements. [2021-11-13 17:52:07,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:52:07 BoogieIcfgContainer [2021-11-13 17:52:07,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 17:52:07,095 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 17:52:07,095 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 17:52:07,098 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 17:52:07,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 05:51:29" (1/3) ... [2021-11-13 17:52:07,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4450eab1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:52:07, skipping insertion in model container [2021-11-13 17:52:07,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:51:29" (2/3) ... [2021-11-13 17:52:07,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4450eab1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:52:07, skipping insertion in model container [2021-11-13 17:52:07,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:52:07" (3/3) ... [2021-11-13 17:52:07,102 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0330b.c [2021-11-13 17:52:07,107 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 17:52:07,108 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 17:52:07,160 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 17:52:07,167 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 [2021-11-13 17:52:07,168 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 17:52:07,195 INFO L276 IsEmpty]: Start isEmpty. Operand has 245 states, 227 states have (on average 1.6607929515418502) internal successors, (377), 228 states have internal predecessors, (377), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-13 17:52:07,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 17:52:07,201 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:52:07,202 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:52:07,203 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:52:07,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:52:07,210 INFO L85 PathProgramCache]: Analyzing trace with hash -709379349, now seen corresponding path program 1 times [2021-11-13 17:52:07,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:52:07,227 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [225364000] [2021-11-13 17:52:07,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:52:07,228 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:52:07,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:52:07,236 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:52:07,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-13 17:52:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:52:08,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 17:52:08,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:52:09,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:52:09,031 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:52:09,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:52:09,094 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 17:52:09,094 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [225364000] [2021-11-13 17:52:09,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [225364000] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 17:52:09,095 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:52:09,095 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-13 17:52:09,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049483720] [2021-11-13 17:52:09,099 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 17:52:09,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 17:52:09,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 17:52:09,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 17:52:09,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 17:52:09,144 INFO L87 Difference]: Start difference. First operand has 245 states, 227 states have (on average 1.6607929515418502) internal successors, (377), 228 states have internal predecessors, (377), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-11-13 17:52:09,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:52:09,227 INFO L93 Difference]: Finished difference Result 488 states and 812 transitions. [2021-11-13 17:52:09,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 17:52:09,230 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2021-11-13 17:52:09,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:52:09,246 INFO L225 Difference]: With dead ends: 488 [2021-11-13 17:52:09,246 INFO L226 Difference]: Without dead ends: 242 [2021-11-13 17:52:09,254 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 17:52:09,259 INFO L933 BasicCegarLoop]: 341 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.40ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-13 17:52:09,261 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 5.40ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-13 17:52:09,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2021-11-13 17:52:09,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2021-11-13 17:52:09,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 225 states have (on average 1.3955555555555557) internal successors, (314), 225 states have internal predecessors, (314), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-13 17:52:09,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 338 transitions. [2021-11-13 17:52:09,403 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 338 transitions. Word has length 10 [2021-11-13 17:52:09,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:52:09,404 INFO L470 AbstractCegarLoop]: Abstraction has 242 states and 338 transitions. [2021-11-13 17:52:09,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-11-13 17:52:09,404 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 338 transitions. [2021-11-13 17:52:09,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 17:52:09,405 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:52:09,405 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:52:09,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-13 17:52:09,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 17:52:09,607 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:52:09,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:52:09,608 INFO L85 PathProgramCache]: Analyzing trace with hash 759304673, now seen corresponding path program 1 times [2021-11-13 17:52:09,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:52:09,609 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [295790264] [2021-11-13 17:52:09,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:52:09,610 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:52:09,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:52:09,615 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:52:09,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 17:52:11,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:52:11,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-13 17:52:11,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:52:11,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:52:11,889 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:52:12,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:52:12,918 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 17:52:12,918 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [295790264] [2021-11-13 17:52:12,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [295790264] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 17:52:12,919 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:52:12,919 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-13 17:52:12,919 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834659510] [2021-11-13 17:52:12,919 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 17:52:12,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 17:52:12,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 17:52:12,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 17:52:12,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-13 17:52:12,923 INFO L87 Difference]: Start difference. First operand 242 states and 338 transitions. Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 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) [2021-11-13 17:52:15,753 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-13 17:52:18,223 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-13 17:52:20,227 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-13 17:52:22,245 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-13 17:52:26,207 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:52:29,029 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-13 17:52:31,037 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-13 17:52:33,042 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-13 17:52:35,221 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:52:37,350 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-13 17:52:39,983 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-13 17:52:42,316 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-13 17:52:44,329 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-13 17:52:46,333 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-13 17:52:48,496 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-13 17:52:50,504 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-13 17:52:52,509 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-13 17:52:54,544 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-13 17:52:56,673 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:52:58,676 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:00,680 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:03,901 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:05,904 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:07,910 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:10,104 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:11,877 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:16,901 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:20,449 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:22,369 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:27,486 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:29,294 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:32,083 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:34,189 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:35,960 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:38,292 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:40,194 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:42,018 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:43,691 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:45,078 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:46,318 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:48,398 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:49,503 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:51,689 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-13 17:53:52,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:53:52,045 INFO L93 Difference]: Finished difference Result 438 states and 616 transitions. [2021-11-13 17:53:52,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 17:53:52,057 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 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 11 [2021-11-13 17:53:52,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:53:52,067 INFO L225 Difference]: With dead ends: 438 [2021-11-13 17:53:52,067 INFO L226 Difference]: Without dead ends: 433 [2021-11-13 17:53:52,068 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-11-13 17:53:52,070 INFO L933 BasicCegarLoop]: 283 mSDtfsCounter, 288 mSDsluCounter, 1839 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 9 mSolverCounterUnsat, 27 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 97015.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 2122 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.76ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 27 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 98812.34ms IncrementalHoareTripleChecker+Time [2021-11-13 17:53:52,071 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [302 Valid, 2122 Invalid, 494 Unknown, 0 Unchecked, 18.76ms Time], IncrementalHoareTripleChecker [9 Valid, 458 Invalid, 27 Unknown, 0 Unchecked, 98812.34ms Time] [2021-11-13 17:53:52,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2021-11-13 17:53:52,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 242. [2021-11-13 17:53:52,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 225 states have (on average 1.3911111111111112) internal successors, (313), 225 states have internal predecessors, (313), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-13 17:53:52,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 337 transitions. [2021-11-13 17:53:52,114 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 337 transitions. Word has length 11 [2021-11-13 17:53:52,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:53:52,115 INFO L470 AbstractCegarLoop]: Abstraction has 242 states and 337 transitions. [2021-11-13 17:53:52,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 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) [2021-11-13 17:53:52,115 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 337 transitions. [2021-11-13 17:53:52,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 17:53:52,117 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:53:52,117 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:53:52,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-13 17:53:52,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 17:53:52,324 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:53:52,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:53:52,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1245430414, now seen corresponding path program 1 times [2021-11-13 17:53:52,325 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:53:52,326 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1488430902] [2021-11-13 17:53:52,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:53:52,327 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:53:52,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:53:52,329 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:53:52,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-13 17:53:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:53,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 17:53:53,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:53:54,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:53:54,259 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:53:54,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:53:54,648 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 17:53:54,648 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1488430902] [2021-11-13 17:53:54,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1488430902] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 17:53:54,648 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:53:54,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-13 17:53:54,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183780177] [2021-11-13 17:53:54,649 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 17:53:54,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 17:53:54,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 17:53:54,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 17:53:54,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-11-13 17:53:54,651 INFO L87 Difference]: Start difference. First operand 242 states and 337 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 17:53:54,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:53:54,693 INFO L93 Difference]: Finished difference Result 261 states and 358 transitions. [2021-11-13 17:53:54,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 17:53:54,695 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2021-11-13 17:53:54,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:53:54,698 INFO L225 Difference]: With dead ends: 261 [2021-11-13 17:53:54,698 INFO L226 Difference]: Without dead ends: 240 [2021-11-13 17:53:54,699 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-11-13 17:53:54,701 INFO L933 BasicCegarLoop]: 330 mSDtfsCounter, 0 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.80ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 987 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.08ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4 IncrementalHoareTripleChecker+Unchecked, 25.69ms IncrementalHoareTripleChecker+Time [2021-11-13 17:53:54,701 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 987 Invalid, 6 Unknown, 0 Unchecked, 3.08ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 4 Unchecked, 25.69ms Time] [2021-11-13 17:53:54,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2021-11-13 17:53:54,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 240. [2021-11-13 17:53:54,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 224 states have (on average 1.3883928571428572) internal successors, (311), 224 states have internal predecessors, (311), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-13 17:53:54,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 333 transitions. [2021-11-13 17:53:54,733 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 333 transitions. Word has length 20 [2021-11-13 17:53:54,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:53:54,733 INFO L470 AbstractCegarLoop]: Abstraction has 240 states and 333 transitions. [2021-11-13 17:53:54,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 17:53:54,734 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 333 transitions. [2021-11-13 17:53:54,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 17:53:54,736 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:53:54,736 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:53:54,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-13 17:53:54,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 17:53:54,954 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:53:54,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:53:54,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1362280166, now seen corresponding path program 1 times [2021-11-13 17:53:54,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:53:54,956 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1610420688] [2021-11-13 17:53:54,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:53:54,956 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:53:54,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:53:54,962 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:53:55,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-13 17:53:56,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:56,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 17:53:56,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:53:56,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:53:56,982 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:53:57,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:53:57,469 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 17:53:57,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1610420688] [2021-11-13 17:53:57,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1610420688] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 17:53:57,470 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:53:57,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-13 17:53:57,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050816179] [2021-11-13 17:53:57,470 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 17:53:57,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 17:53:57,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 17:53:57,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 17:53:57,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-11-13 17:53:57,472 INFO L87 Difference]: Start difference. First operand 240 states and 333 transitions. Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 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) [2021-11-13 17:53:57,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:53:57,497 INFO L93 Difference]: Finished difference Result 240 states and 333 transitions. [2021-11-13 17:53:57,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 17:53:57,498 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 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 21 [2021-11-13 17:53:57,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:53:57,499 INFO L225 Difference]: With dead ends: 240 [2021-11-13 17:53:57,499 INFO L226 Difference]: Without dead ends: 0 [2021-11-13 17:53:57,502 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-11-13 17:53:57,503 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.08ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4 IncrementalHoareTripleChecker+Unchecked, 18.84ms IncrementalHoareTripleChecker+Time [2021-11-13 17:53:57,503 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 9 Invalid, 6 Unknown, 0 Unchecked, 0.08ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 4 Unchecked, 18.84ms Time] [2021-11-13 17:53:57,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-13 17:53:57,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-13 17:53:57,505 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) [2021-11-13 17:53:57,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-13 17:53:57,505 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2021-11-13 17:53:57,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:53:57,506 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 17:53:57,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 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) [2021-11-13 17:53:57,506 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-13 17:53:57,507 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 17:53:57,510 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-13 17:53:57,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-13 17:53:57,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 17:53:57,735 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-13 17:53:58,168 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 544) no Hoare annotation was computed. [2021-11-13 17:53:58,168 INFO L858 garLoopResultBuilder]: For program point L541-2(lines 541 544) no Hoare annotation was computed. [2021-11-13 17:53:58,168 INFO L858 garLoopResultBuilder]: For program point L535-1(lines 535 539) no Hoare annotation was computed. [2021-11-13 17:53:58,168 INFO L861 garLoopResultBuilder]: At program point L535-2(lines 535 539) the Hoare annotation is: true [2021-11-13 17:53:58,169 INFO L858 garLoopResultBuilder]: For program point L535-3(lines 535 539) no Hoare annotation was computed. [2021-11-13 17:53:58,169 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 560) no Hoare annotation was computed. [2021-11-13 17:53:58,169 INFO L861 garLoopResultBuilder]: At program point __kernel_cosfENTRY(lines 532 565) the Hoare annotation is: true [2021-11-13 17:53:58,169 INFO L858 garLoopResultBuilder]: For program point L542(lines 542 543) no Hoare annotation was computed. [2021-11-13 17:53:58,169 INFO L858 garLoopResultBuilder]: For program point __kernel_cosfFINAL(lines 532 565) no Hoare annotation was computed. [2021-11-13 17:53:58,169 INFO L858 garLoopResultBuilder]: For program point L555-1(lines 555 559) no Hoare annotation was computed. [2021-11-13 17:53:58,170 INFO L861 garLoopResultBuilder]: At program point L555-2(lines 555 559) the Hoare annotation is: true [2021-11-13 17:53:58,170 INFO L858 garLoopResultBuilder]: For program point L555-3(lines 552 560) no Hoare annotation was computed. [2021-11-13 17:53:58,170 INFO L858 garLoopResultBuilder]: For program point L549(lines 549 564) no Hoare annotation was computed. [2021-11-13 17:53:58,170 INFO L858 garLoopResultBuilder]: For program point __kernel_cosfEXIT(lines 532 565) no Hoare annotation was computed. [2021-11-13 17:53:58,170 INFO L858 garLoopResultBuilder]: For program point copysign_floatEXIT(lines 66 84) no Hoare annotation was computed. [2021-11-13 17:53:58,170 INFO L858 garLoopResultBuilder]: For program point L73(lines 73 77) no Hoare annotation was computed. [2021-11-13 17:53:58,170 INFO L858 garLoopResultBuilder]: For program point L73-1(lines 66 84) no Hoare annotation was computed. [2021-11-13 17:53:58,171 INFO L861 garLoopResultBuilder]: At program point copysign_floatENTRY(lines 66 84) the Hoare annotation is: true [2021-11-13 17:53:58,171 INFO L858 garLoopResultBuilder]: For program point L78(lines 78 82) no Hoare annotation was computed. [2021-11-13 17:53:58,171 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 66 84) no Hoare annotation was computed. [2021-11-13 17:53:58,171 INFO L858 garLoopResultBuilder]: For program point L78-2(lines 78 82) no Hoare annotation was computed. [2021-11-13 17:53:58,171 INFO L858 garLoopResultBuilder]: For program point copysign_floatFINAL(lines 66 84) no Hoare annotation was computed. [2021-11-13 17:53:58,171 INFO L858 garLoopResultBuilder]: For program point L68-1(lines 68 72) no Hoare annotation was computed. [2021-11-13 17:53:58,172 INFO L861 garLoopResultBuilder]: At program point L68-2(lines 68 72) the Hoare annotation is: true [2021-11-13 17:53:58,172 INFO L858 garLoopResultBuilder]: For program point L514-2(lines 514 517) no Hoare annotation was computed. [2021-11-13 17:53:58,172 INFO L858 garLoopResultBuilder]: For program point L508-1(lines 508 512) no Hoare annotation was computed. [2021-11-13 17:53:58,172 INFO L861 garLoopResultBuilder]: At program point L508-2(lines 508 512) the Hoare annotation is: true [2021-11-13 17:53:58,172 INFO L858 garLoopResultBuilder]: For program point L508-3(lines 508 512) no Hoare annotation was computed. [2021-11-13 17:53:58,172 INFO L858 garLoopResultBuilder]: For program point __kernel_sinfEXIT(lines 505 525) no Hoare annotation was computed. [2021-11-13 17:53:58,172 INFO L858 garLoopResultBuilder]: For program point L521(lines 521 524) no Hoare annotation was computed. [2021-11-13 17:53:58,173 INFO L858 garLoopResultBuilder]: For program point L515(lines 515 516) no Hoare annotation was computed. [2021-11-13 17:53:58,173 INFO L861 garLoopResultBuilder]: At program point __kernel_sinfENTRY(lines 505 525) the Hoare annotation is: true [2021-11-13 17:53:58,173 INFO L858 garLoopResultBuilder]: For program point __kernel_sinfFINAL(lines 505 525) no Hoare annotation was computed. [2021-11-13 17:53:58,173 INFO L858 garLoopResultBuilder]: For program point L514(lines 514 517) no Hoare annotation was computed. [2021-11-13 17:53:58,173 INFO L858 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2021-11-13 17:53:58,173 INFO L858 garLoopResultBuilder]: For program point L300(line 300) no Hoare annotation was computed. [2021-11-13 17:53:58,173 INFO L858 garLoopResultBuilder]: For program point L234(line 234) no Hoare annotation was computed. [2021-11-13 17:53:58,174 INFO L858 garLoopResultBuilder]: For program point L400(lines 400 422) no Hoare annotation was computed. [2021-11-13 17:53:58,174 INFO L858 garLoopResultBuilder]: For program point L302-2(lines 302 303) no Hoare annotation was computed. [2021-11-13 17:53:58,174 INFO L854 garLoopResultBuilder]: At program point L302-3(lines 302 303) the Hoare annotation is: false [2021-11-13 17:53:58,174 INFO L858 garLoopResultBuilder]: For program point L302-4(lines 299 339) no Hoare annotation was computed. [2021-11-13 17:53:58,174 INFO L858 garLoopResultBuilder]: For program point L402(lines 402 409) no Hoare annotation was computed. [2021-11-13 17:53:58,174 INFO L858 garLoopResultBuilder]: For program point L402-2(lines 402 409) no Hoare annotation was computed. [2021-11-13 17:53:58,174 INFO L858 garLoopResultBuilder]: For program point L237(line 237) no Hoare annotation was computed. [2021-11-13 17:53:58,175 INFO L858 garLoopResultBuilder]: For program point L204(line 204) no Hoare annotation was computed. [2021-11-13 17:53:58,175 INFO L858 garLoopResultBuilder]: For program point L436-1(lines 436 440) no Hoare annotation was computed. [2021-11-13 17:53:58,175 INFO L854 garLoopResultBuilder]: At program point L436-2(lines 436 440) the Hoare annotation is: false [2021-11-13 17:53:58,175 INFO L858 garLoopResultBuilder]: For program point L436-3(lines 436 440) no Hoare annotation was computed. [2021-11-13 17:53:58,175 INFO L858 garLoopResultBuilder]: For program point L304-1(line 304) no Hoare annotation was computed. [2021-11-13 17:53:58,175 INFO L858 garLoopResultBuilder]: For program point L271-1(lines 271 274) no Hoare annotation was computed. [2021-11-13 17:53:58,176 INFO L854 garLoopResultBuilder]: At program point L271-3(lines 271 274) the Hoare annotation is: false [2021-11-13 17:53:58,176 INFO L854 garLoopResultBuilder]: At program point L569(lines 569 599) the Hoare annotation is: (and (= |ULTIMATE.start_cos_float_#res#1| (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse0 .cse0))) (= currentRoundingMode roundNearestTiesToEven) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start_cos_float_~x#1|)) [2021-11-13 17:53:58,176 INFO L858 garLoopResultBuilder]: For program point L41(lines 41 42) no Hoare annotation was computed. [2021-11-13 17:53:58,176 INFO L858 garLoopResultBuilder]: For program point L306(line 306) no Hoare annotation was computed. [2021-11-13 17:53:58,176 INFO L858 garLoopResultBuilder]: For program point L306-2(line 306) no Hoare annotation was computed. [2021-11-13 17:53:58,176 INFO L858 garLoopResultBuilder]: For program point L472(lines 472 475) no Hoare annotation was computed. [2021-11-13 17:53:58,176 INFO L854 garLoopResultBuilder]: At program point L340(lines 170 341) the Hoare annotation is: false [2021-11-13 17:53:58,177 INFO L858 garLoopResultBuilder]: For program point L307(line 307) no Hoare annotation was computed. [2021-11-13 17:53:58,177 INFO L858 garLoopResultBuilder]: For program point L43(lines 43 47) no Hoare annotation was computed. [2021-11-13 17:53:58,177 INFO L858 garLoopResultBuilder]: For program point L209(lines 209 217) no Hoare annotation was computed. [2021-11-13 17:53:58,177 INFO L858 garLoopResultBuilder]: For program point L143-1(lines 143 147) no Hoare annotation was computed. [2021-11-13 17:53:58,177 INFO L854 garLoopResultBuilder]: At program point L143-2(lines 143 147) the Hoare annotation is: false [2021-11-13 17:53:58,177 INFO L858 garLoopResultBuilder]: For program point L44(lines 44 45) no Hoare annotation was computed. [2021-11-13 17:53:58,178 INFO L858 garLoopResultBuilder]: For program point L44-2(lines 44 45) no Hoare annotation was computed. [2021-11-13 17:53:58,178 INFO L858 garLoopResultBuilder]: For program point L573-1(lines 573 577) no Hoare annotation was computed. [2021-11-13 17:53:58,178 INFO L854 garLoopResultBuilder]: At program point L573-2(lines 573 577) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start_cos_float_~x#1|)) [2021-11-13 17:53:58,178 INFO L858 garLoopResultBuilder]: For program point L573-3(lines 573 577) no Hoare annotation was computed. [2021-11-13 17:53:58,178 INFO L854 garLoopResultBuilder]: At program point L276(line 276) the Hoare annotation is: false [2021-11-13 17:53:58,178 INFO L858 garLoopResultBuilder]: For program point L276-1(line 276) no Hoare annotation was computed. [2021-11-13 17:53:58,178 INFO L858 garLoopResultBuilder]: For program point L309-2(lines 309 310) no Hoare annotation was computed. [2021-11-13 17:53:58,179 INFO L854 garLoopResultBuilder]: At program point L309-3(lines 309 310) the Hoare annotation is: false [2021-11-13 17:53:58,179 INFO L858 garLoopResultBuilder]: For program point L309-4(lines 299 339) no Hoare annotation was computed. [2021-11-13 17:53:58,179 INFO L858 garLoopResultBuilder]: For program point L442(lines 442 461) no Hoare annotation was computed. [2021-11-13 17:53:58,179 INFO L858 garLoopResultBuilder]: For program point L442-1(lines 430 462) no Hoare annotation was computed. [2021-11-13 17:53:58,179 INFO L858 garLoopResultBuilder]: For program point L277(lines 277 284) no Hoare annotation was computed. [2021-11-13 17:53:58,179 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 245) no Hoare annotation was computed. [2021-11-13 17:53:58,179 INFO L854 garLoopResultBuilder]: At program point L277-2(lines 268 285) the Hoare annotation is: false [2021-11-13 17:53:58,180 INFO L858 garLoopResultBuilder]: For program point L311-1(line 311) no Hoare annotation was computed. [2021-11-13 17:53:58,180 INFO L854 garLoopResultBuilder]: At program point L245(line 245) the Hoare annotation is: false [2021-11-13 17:53:58,180 INFO L858 garLoopResultBuilder]: For program point L245-1(line 245) no Hoare annotation was computed. [2021-11-13 17:53:58,180 INFO L858 garLoopResultBuilder]: For program point L180(lines 180 181) no Hoare annotation was computed. [2021-11-13 17:53:58,180 INFO L858 garLoopResultBuilder]: For program point L180-2(lines 180 181) no Hoare annotation was computed. [2021-11-13 17:53:58,180 INFO L858 garLoopResultBuilder]: For program point L478-1(lines 478 482) no Hoare annotation was computed. [2021-11-13 17:53:58,181 INFO L854 garLoopResultBuilder]: At program point L478-2(lines 478 482) the Hoare annotation is: false [2021-11-13 17:53:58,181 INFO L858 garLoopResultBuilder]: For program point L478-3(lines 478 482) no Hoare annotation was computed. [2021-11-13 17:53:58,181 INFO L858 garLoopResultBuilder]: For program point L313-2(lines 313 314) no Hoare annotation was computed. [2021-11-13 17:53:58,181 INFO L858 garLoopResultBuilder]: For program point L214(lines 214 217) no Hoare annotation was computed. [2021-11-13 17:53:58,181 INFO L854 garLoopResultBuilder]: At program point L313-3(lines 313 314) the Hoare annotation is: false [2021-11-13 17:53:58,181 INFO L858 garLoopResultBuilder]: For program point L313-4(lines 299 339) no Hoare annotation was computed. [2021-11-13 17:53:58,181 INFO L858 garLoopResultBuilder]: For program point L148(lines 148 152) no Hoare annotation was computed. [2021-11-13 17:53:58,182 INFO L858 garLoopResultBuilder]: For program point L148-1(lines 141 154) no Hoare annotation was computed. [2021-11-13 17:53:58,182 INFO L858 garLoopResultBuilder]: For program point L148-2(lines 148 152) no Hoare annotation was computed. [2021-11-13 17:53:58,182 INFO L858 garLoopResultBuilder]: For program point L413(lines 413 420) no Hoare annotation was computed. [2021-11-13 17:53:58,182 INFO L858 garLoopResultBuilder]: For program point L413-2(lines 413 420) no Hoare annotation was computed. [2021-11-13 17:53:58,182 INFO L858 garLoopResultBuilder]: For program point L50(lines 50 53) no Hoare annotation was computed. [2021-11-13 17:53:58,182 INFO L858 garLoopResultBuilder]: For program point L612(lines 612 615) no Hoare annotation was computed. [2021-11-13 17:53:58,182 INFO L858 garLoopResultBuilder]: For program point L315-1(line 315) no Hoare annotation was computed. [2021-11-13 17:53:58,183 INFO L858 garLoopResultBuilder]: For program point L216(lines 216 217) no Hoare annotation was computed. [2021-11-13 17:53:58,183 INFO L858 garLoopResultBuilder]: For program point L249-1(lines 171 341) no Hoare annotation was computed. [2021-11-13 17:53:58,183 INFO L858 garLoopResultBuilder]: For program point L216-2(lines 171 341) no Hoare annotation was computed. [2021-11-13 17:53:58,183 INFO L858 garLoopResultBuilder]: For program point L613(line 613) no Hoare annotation was computed. [2021-11-13 17:53:58,183 INFO L858 garLoopResultBuilder]: For program point L580(lines 580 598) no Hoare annotation was computed. [2021-11-13 17:53:58,183 INFO L858 garLoopResultBuilder]: For program point L448-1(lines 448 452) no Hoare annotation was computed. [2021-11-13 17:53:58,183 INFO L854 garLoopResultBuilder]: At program point L448-2(lines 448 452) the Hoare annotation is: false [2021-11-13 17:53:58,197 INFO L858 garLoopResultBuilder]: For program point L448-3(lines 448 452) no Hoare annotation was computed. [2021-11-13 17:53:58,197 INFO L854 garLoopResultBuilder]: At program point L581(line 581) the Hoare annotation is: false [2021-11-13 17:53:58,197 INFO L858 garLoopResultBuilder]: For program point L581-1(line 581) no Hoare annotation was computed. [2021-11-13 17:53:58,198 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-13 17:53:58,198 INFO L858 garLoopResultBuilder]: For program point L317(line 317) no Hoare annotation was computed. [2021-11-13 17:53:58,198 INFO L858 garLoopResultBuilder]: For program point L251-2(lines 251 252) no Hoare annotation was computed. [2021-11-13 17:53:58,198 INFO L854 garLoopResultBuilder]: At program point L251-3(lines 251 252) the Hoare annotation is: false [2021-11-13 17:53:58,198 INFO L858 garLoopResultBuilder]: For program point L251-4(lines 249 266) no Hoare annotation was computed. [2021-11-13 17:53:58,199 INFO L858 garLoopResultBuilder]: For program point L483-2(lines 483 486) no Hoare annotation was computed. [2021-11-13 17:53:58,199 INFO L854 garLoopResultBuilder]: At program point L483-3(lines 483 486) the Hoare annotation is: false [2021-11-13 17:53:58,199 INFO L858 garLoopResultBuilder]: For program point L483-4(lines 483 486) no Hoare annotation was computed. [2021-11-13 17:53:58,199 INFO L858 garLoopResultBuilder]: For program point L318-2(lines 318 322) no Hoare annotation was computed. [2021-11-13 17:53:58,199 INFO L858 garLoopResultBuilder]: For program point L219(lines 171 341) no Hoare annotation was computed. [2021-11-13 17:53:58,200 INFO L854 garLoopResultBuilder]: At program point L318-3(lines 318 322) the Hoare annotation is: false [2021-11-13 17:53:58,200 INFO L858 garLoopResultBuilder]: For program point L318-4(lines 318 322) no Hoare annotation was computed. [2021-11-13 17:53:58,200 INFO L854 garLoopResultBuilder]: At program point L153(lines 141 154) the Hoare annotation is: false [2021-11-13 17:53:58,200 INFO L858 garLoopResultBuilder]: For program point L186-2(lines 186 187) no Hoare annotation was computed. [2021-11-13 17:53:58,200 INFO L854 garLoopResultBuilder]: At program point L186-3(lines 186 187) the Hoare annotation is: false [2021-11-13 17:53:58,201 INFO L858 garLoopResultBuilder]: For program point L186-4(lines 186 187) no Hoare annotation was computed. [2021-11-13 17:53:58,201 INFO L858 garLoopResultBuilder]: For program point L583(lines 583 598) no Hoare annotation was computed. [2021-11-13 17:53:58,201 INFO L858 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-11-13 17:53:58,201 INFO L858 garLoopResultBuilder]: For program point L187-2(line 187) no Hoare annotation was computed. [2021-11-13 17:53:58,201 INFO L858 garLoopResultBuilder]: For program point L55(lines 55 59) no Hoare annotation was computed. [2021-11-13 17:53:58,202 INFO L858 garLoopResultBuilder]: For program point L55-1(lines 20 61) no Hoare annotation was computed. [2021-11-13 17:53:58,202 INFO L858 garLoopResultBuilder]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2021-11-13 17:53:58,202 INFO L861 garLoopResultBuilder]: At program point L617(lines 601 618) the Hoare annotation is: true [2021-11-13 17:53:58,202 INFO L858 garLoopResultBuilder]: For program point L287(line 287) no Hoare annotation was computed. [2021-11-13 17:53:58,202 INFO L858 garLoopResultBuilder]: For program point L254-1(lines 254 255) no Hoare annotation was computed. [2021-11-13 17:53:58,203 INFO L858 garLoopResultBuilder]: For program point L254-3(lines 254 255) no Hoare annotation was computed. [2021-11-13 17:53:58,203 INFO L854 garLoopResultBuilder]: At program point L254-4(lines 254 255) the Hoare annotation is: false [2021-11-13 17:53:58,203 INFO L858 garLoopResultBuilder]: For program point L254-5(lines 254 255) no Hoare annotation was computed. [2021-11-13 17:53:58,203 INFO L858 garLoopResultBuilder]: For program point L23-1(lines 23 27) no Hoare annotation was computed. [2021-11-13 17:53:58,203 INFO L854 garLoopResultBuilder]: At program point L23-2(lines 23 27) the Hoare annotation is: false [2021-11-13 17:53:58,204 INFO L858 garLoopResultBuilder]: For program point L23-3(lines 23 27) no Hoare annotation was computed. [2021-11-13 17:53:58,204 INFO L858 garLoopResultBuilder]: For program point L288-2(lines 288 291) no Hoare annotation was computed. [2021-11-13 17:53:58,204 INFO L854 garLoopResultBuilder]: At program point L288-3(lines 288 291) the Hoare annotation is: false [2021-11-13 17:53:58,204 INFO L858 garLoopResultBuilder]: For program point L222-2(lines 222 231) no Hoare annotation was computed. [2021-11-13 17:53:58,205 INFO L858 garLoopResultBuilder]: For program point L288-4(lines 288 291) no Hoare annotation was computed. [2021-11-13 17:53:58,205 INFO L858 garLoopResultBuilder]: For program point L189-2(lines 189 193) no Hoare annotation was computed. [2021-11-13 17:53:58,205 INFO L854 garLoopResultBuilder]: At program point L222-3(lines 222 231) the Hoare annotation is: false [2021-11-13 17:53:58,205 INFO L854 garLoopResultBuilder]: At program point L189-3(lines 189 193) the Hoare annotation is: false [2021-11-13 17:53:58,205 INFO L858 garLoopResultBuilder]: For program point L222-4(lines 219 247) no Hoare annotation was computed. [2021-11-13 17:53:58,206 INFO L858 garLoopResultBuilder]: For program point L189-4(lines 189 193) no Hoare annotation was computed. [2021-11-13 17:53:58,206 INFO L858 garLoopResultBuilder]: For program point L454(lines 454 460) no Hoare annotation was computed. [2021-11-13 17:53:58,206 INFO L858 garLoopResultBuilder]: For program point L388-1(lines 388 392) no Hoare annotation was computed. [2021-11-13 17:53:58,206 INFO L854 garLoopResultBuilder]: At program point L388-2(lines 388 392) the Hoare annotation is: false [2021-11-13 17:53:58,206 INFO L858 garLoopResultBuilder]: For program point L388-3(lines 388 392) no Hoare annotation was computed. [2021-11-13 17:53:58,207 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-13 17:53:58,207 INFO L858 garLoopResultBuilder]: For program point L190-2(lines 190 191) no Hoare annotation was computed. [2021-11-13 17:53:58,207 INFO L854 garLoopResultBuilder]: At program point L190-3(lines 190 191) the Hoare annotation is: false [2021-11-13 17:53:58,207 INFO L858 garLoopResultBuilder]: For program point L190-4(lines 190 191) no Hoare annotation was computed. [2021-11-13 17:53:58,207 INFO L858 garLoopResultBuilder]: For program point L323-2(lines 323 327) no Hoare annotation was computed. [2021-11-13 17:53:58,208 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 230) no Hoare annotation was computed. [2021-11-13 17:53:58,208 INFO L854 garLoopResultBuilder]: At program point L323-3(lines 323 327) the Hoare annotation is: false [2021-11-13 17:53:58,208 INFO L858 garLoopResultBuilder]: For program point L257-2(lines 257 262) no Hoare annotation was computed. [2021-11-13 17:53:58,208 INFO L858 garLoopResultBuilder]: For program point L323-4(lines 323 327) no Hoare annotation was computed. [2021-11-13 17:53:58,208 INFO L854 garLoopResultBuilder]: At program point L257-3(lines 257 262) the Hoare annotation is: false [2021-11-13 17:53:58,220 INFO L858 garLoopResultBuilder]: For program point L257-4(lines 257 262) no Hoare annotation was computed. [2021-11-13 17:53:58,220 INFO L858 garLoopResultBuilder]: For program point L588(lines 588 597) no Hoare annotation was computed. [2021-11-13 17:53:58,222 INFO L858 garLoopResultBuilder]: For program point L489-1(lines 489 490) no Hoare annotation was computed. [2021-11-13 17:53:58,222 INFO L854 garLoopResultBuilder]: At program point L489-3(lines 489 490) the Hoare annotation is: false [2021-11-13 17:53:58,222 INFO L858 garLoopResultBuilder]: For program point L489-4(lines 489 490) no Hoare annotation was computed. [2021-11-13 17:53:58,222 INFO L858 garLoopResultBuilder]: For program point L225(lines 225 228) no Hoare annotation was computed. [2021-11-13 17:53:58,222 INFO L854 garLoopResultBuilder]: At program point L60(lines 20 61) the Hoare annotation is: false [2021-11-13 17:53:58,223 INFO L858 garLoopResultBuilder]: For program point L589(line 589) no Hoare annotation was computed. [2021-11-13 17:53:58,223 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 470) no Hoare annotation was computed. [2021-11-13 17:53:58,223 INFO L858 garLoopResultBuilder]: For program point L259-2(lines 259 260) no Hoare annotation was computed. [2021-11-13 17:53:58,223 INFO L854 garLoopResultBuilder]: At program point L259-3(lines 259 260) the Hoare annotation is: false [2021-11-13 17:53:58,223 INFO L858 garLoopResultBuilder]: For program point L259-4(lines 259 260) no Hoare annotation was computed. [2021-11-13 17:53:58,223 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-13 17:53:58,223 INFO L854 garLoopResultBuilder]: At program point L590(line 590) the Hoare annotation is: false [2021-11-13 17:53:58,223 INFO L858 garLoopResultBuilder]: For program point L590-1(line 590) no Hoare annotation was computed. [2021-11-13 17:53:58,223 INFO L858 garLoopResultBuilder]: For program point L293-2(lines 293 297) no Hoare annotation was computed. [2021-11-13 17:53:58,223 INFO L854 garLoopResultBuilder]: At program point L293-3(lines 293 297) the Hoare annotation is: false [2021-11-13 17:53:58,224 INFO L858 garLoopResultBuilder]: For program point L293-4(lines 293 297) no Hoare annotation was computed. [2021-11-13 17:53:58,224 INFO L858 garLoopResultBuilder]: For program point L591(line 591) no Hoare annotation was computed. [2021-11-13 17:53:58,224 INFO L858 garLoopResultBuilder]: For program point L492(lines 492 496) no Hoare annotation was computed. [2021-11-13 17:53:58,224 INFO L858 garLoopResultBuilder]: For program point L294-2(lines 294 295) no Hoare annotation was computed. [2021-11-13 17:53:58,224 INFO L854 garLoopResultBuilder]: At program point L294-3(lines 294 295) the Hoare annotation is: false [2021-11-13 17:53:58,224 INFO L858 garLoopResultBuilder]: For program point L294-4(lines 294 295) no Hoare annotation was computed. [2021-11-13 17:53:58,224 INFO L858 garLoopResultBuilder]: For program point L30(lines 30 54) no Hoare annotation was computed. [2021-11-13 17:53:58,224 INFO L854 garLoopResultBuilder]: At program point L592(line 592) the Hoare annotation is: false [2021-11-13 17:53:58,224 INFO L858 garLoopResultBuilder]: For program point L592-1(line 592) no Hoare annotation was computed. [2021-11-13 17:53:58,224 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 398) no Hoare annotation was computed. [2021-11-13 17:53:58,225 INFO L858 garLoopResultBuilder]: For program point L328-2(lines 328 329) no Hoare annotation was computed. [2021-11-13 17:53:58,225 INFO L854 garLoopResultBuilder]: At program point L328-3(lines 328 329) the Hoare annotation is: false [2021-11-13 17:53:58,225 INFO L858 garLoopResultBuilder]: For program point L328-4(lines 299 339) no Hoare annotation was computed. [2021-11-13 17:53:58,225 INFO L854 garLoopResultBuilder]: At program point L64(line 64) the Hoare annotation is: (and (= |ULTIMATE.start_cos_float_#res#1| (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse0 .cse0))) (= currentRoundingMode roundNearestTiesToEven) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res#1|) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start_cos_float_~x#1|)) [2021-11-13 17:53:58,225 INFO L858 garLoopResultBuilder]: For program point L31(lines 31 48) no Hoare annotation was computed. [2021-11-13 17:53:58,225 INFO L858 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2021-11-13 17:53:58,225 INFO L858 garLoopResultBuilder]: For program point L32(lines 32 38) no Hoare annotation was computed. [2021-11-13 17:53:58,226 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-13 17:53:58,226 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 613) no Hoare annotation was computed. [2021-11-13 17:53:58,226 INFO L854 garLoopResultBuilder]: At program point L594(line 594) the Hoare annotation is: false [2021-11-13 17:53:58,226 INFO L858 garLoopResultBuilder]: For program point L594-1(line 594) no Hoare annotation was computed. [2021-11-13 17:53:58,226 INFO L854 garLoopResultBuilder]: At program point L264(lines 171 341) the Hoare annotation is: false [2021-11-13 17:53:58,226 INFO L858 garLoopResultBuilder]: For program point L198-2(lines 198 202) no Hoare annotation was computed. [2021-11-13 17:53:58,227 INFO L854 garLoopResultBuilder]: At program point L198-3(lines 198 202) the Hoare annotation is: false [2021-11-13 17:53:58,227 INFO L854 garLoopResultBuilder]: At program point L198-4(lines 198 202) the Hoare annotation is: false [2021-11-13 17:53:58,227 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 37) no Hoare annotation was computed. [2021-11-13 17:53:58,227 INFO L858 garLoopResultBuilder]: For program point L595(line 595) no Hoare annotation was computed. [2021-11-13 17:53:58,227 INFO L858 garLoopResultBuilder]: For program point L430(line 430) no Hoare annotation was computed. [2021-11-13 17:53:58,227 INFO L858 garLoopResultBuilder]: For program point L430-2(lines 430 462) no Hoare annotation was computed. [2021-11-13 17:53:58,227 INFO L858 garLoopResultBuilder]: For program point L232-1(lines 219 247) no Hoare annotation was computed. [2021-11-13 17:53:58,228 INFO L854 garLoopResultBuilder]: At program point L596(line 596) the Hoare annotation is: false [2021-11-13 17:53:58,228 INFO L858 garLoopResultBuilder]: For program point L596-1(line 596) no Hoare annotation was computed. [2021-11-13 17:53:58,228 INFO L854 garLoopResultBuilder]: At program point L497(lines 382 498) the Hoare annotation is: false [2021-11-13 17:53:58,228 INFO L858 garLoopResultBuilder]: For program point L464(lines 464 469) no Hoare annotation was computed. [2021-11-13 17:53:58,228 INFO L854 garLoopResultBuilder]: At program point L299(lines 299 339) the Hoare annotation is: false [2021-11-13 17:53:58,228 INFO L854 garLoopResultBuilder]: At program point L233(lines 233 240) the Hoare annotation is: false [2021-11-13 17:53:58,228 INFO L858 garLoopResultBuilder]: For program point L35(lines 35 37) no Hoare annotation was computed. [2021-11-13 17:53:58,228 INFO L861 garLoopResultBuilder]: At program point L118(line 118) the Hoare annotation is: true [2021-11-13 17:53:58,229 INFO L858 garLoopResultBuilder]: For program point L118-1(line 118) no Hoare annotation was computed. [2021-11-13 17:53:58,229 INFO L861 garLoopResultBuilder]: At program point L131(line 131) the Hoare annotation is: true [2021-11-13 17:53:58,229 INFO L858 garLoopResultBuilder]: For program point L131-1(line 131) no Hoare annotation was computed. [2021-11-13 17:53:58,229 INFO L858 garLoopResultBuilder]: For program point L127(lines 127 132) no Hoare annotation was computed. [2021-11-13 17:53:58,229 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 94 98) no Hoare annotation was computed. [2021-11-13 17:53:58,229 INFO L861 garLoopResultBuilder]: At program point L94-2(lines 94 98) the Hoare annotation is: true [2021-11-13 17:53:58,229 INFO L858 garLoopResultBuilder]: For program point L94-3(lines 94 98) no Hoare annotation was computed. [2021-11-13 17:53:58,230 INFO L858 garLoopResultBuilder]: For program point L119(lines 119 126) no Hoare annotation was computed. [2021-11-13 17:53:58,230 INFO L858 garLoopResultBuilder]: For program point scalbn_floatFINAL(lines 90 140) no Hoare annotation was computed. [2021-11-13 17:53:58,230 INFO L858 garLoopResultBuilder]: For program point L107-1(lines 107 111) no Hoare annotation was computed. [2021-11-13 17:53:58,230 INFO L861 garLoopResultBuilder]: At program point L107-2(lines 107 111) the Hoare annotation is: true [2021-11-13 17:53:58,230 INFO L858 garLoopResultBuilder]: For program point L107-3(lines 107 111) no Hoare annotation was computed. [2021-11-13 17:53:58,230 INFO L858 garLoopResultBuilder]: For program point L103(lines 103 104) no Hoare annotation was computed. [2021-11-13 17:53:58,230 INFO L858 garLoopResultBuilder]: For program point L128(lines 128 131) no Hoare annotation was computed. [2021-11-13 17:53:58,231 INFO L858 garLoopResultBuilder]: For program point L120-1(lines 120 124) no Hoare annotation was computed. [2021-11-13 17:53:58,231 INFO L861 garLoopResultBuilder]: At program point L120-2(lines 120 124) the Hoare annotation is: true [2021-11-13 17:53:58,231 INFO L858 garLoopResultBuilder]: For program point L120-3(lines 120 124) no Hoare annotation was computed. [2021-11-13 17:53:58,231 INFO L858 garLoopResultBuilder]: For program point scalbn_floatEXIT(lines 90 140) no Hoare annotation was computed. [2021-11-13 17:53:58,231 INFO L861 garLoopResultBuilder]: At program point scalbn_floatENTRY(lines 90 140) the Hoare annotation is: true [2021-11-13 17:53:58,231 INFO L861 garLoopResultBuilder]: At program point L129(line 129) the Hoare annotation is: true [2021-11-13 17:53:58,231 INFO L858 garLoopResultBuilder]: For program point L129-1(line 129) no Hoare annotation was computed. [2021-11-13 17:53:58,232 INFO L858 garLoopResultBuilder]: For program point L117(lines 117 118) no Hoare annotation was computed. [2021-11-13 17:53:58,232 INFO L858 garLoopResultBuilder]: For program point L113(lines 113 114) no Hoare annotation was computed. [2021-11-13 17:53:58,232 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 115) no Hoare annotation was computed. [2021-11-13 17:53:58,232 INFO L858 garLoopResultBuilder]: For program point L105-2(lines 105 115) no Hoare annotation was computed. [2021-11-13 17:53:58,232 INFO L858 garLoopResultBuilder]: For program point L101(lines 101 102) no Hoare annotation was computed. [2021-11-13 17:53:58,232 INFO L858 garLoopResultBuilder]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2021-11-13 17:53:58,232 INFO L861 garLoopResultBuilder]: At program point L134-2(lines 134 138) the Hoare annotation is: true [2021-11-13 17:53:58,232 INFO L858 garLoopResultBuilder]: For program point L134-3(lines 134 138) no Hoare annotation was computed. [2021-11-13 17:53:58,246 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-13 17:53:58,248 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 17:53:58,277 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,277 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,277 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,278 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,278 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,278 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,285 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,286 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,286 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,286 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,287 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,287 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,289 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,290 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,291 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,292 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,292 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,292 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,292 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,293 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,294 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,294 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,294 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,294 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,295 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,295 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 05:53:58 BoogieIcfgContainer [2021-11-13 17:53:58,297 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 17:53:58,297 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 17:53:58,297 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 17:53:58,298 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 17:53:58,298 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:52:07" (3/4) ... [2021-11-13 17:53:58,302 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 17:53:58,310 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_cosf [2021-11-13 17:53:58,311 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_float [2021-11-13 17:53:58,311 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_sinf [2021-11-13 17:53:58,311 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_float [2021-11-13 17:53:58,363 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 77 nodes and edges [2021-11-13 17:53:58,367 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2021-11-13 17:53:58,371 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-13 17:53:58,374 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 17:53:58,426 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x [2021-11-13 17:53:58,426 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x [2021-11-13 17:53:58,807 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/witness.graphml [2021-11-13 17:53:58,807 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 17:53:58,808 INFO L158 Benchmark]: Toolchain (without parser) took 149764.49ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 33.6MB in the beginning and 33.0MB in the end (delta: 653.1kB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2021-11-13 17:53:58,809 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 56.6MB. Free memory was 37.9MB in the beginning and 37.9MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 17:53:58,809 INFO L158 Benchmark]: CACSL2BoogieTranslator took 835.31ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 33.5MB in the beginning and 44.2MB in the end (delta: -10.7MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2021-11-13 17:53:58,810 INFO L158 Benchmark]: Boogie Procedure Inliner took 132.76ms. Allocated memory is still 69.2MB. Free memory was 44.2MB in the beginning and 36.9MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 17:53:58,811 INFO L158 Benchmark]: Boogie Preprocessor took 182.29ms. Allocated memory is still 69.2MB. Free memory was 36.9MB in the beginning and 45.0MB in the end (delta: -8.1MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2021-11-13 17:53:58,811 INFO L158 Benchmark]: RCFGBuilder took 36886.94ms. Allocated memory is still 69.2MB. Free memory was 45.0MB in the beginning and 39.7MB in the end (delta: 5.3MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2021-11-13 17:53:58,812 INFO L158 Benchmark]: TraceAbstraction took 111202.15ms. Allocated memory is still 69.2MB. Free memory was 39.3MB in the beginning and 28.5MB in the end (delta: 10.9MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2021-11-13 17:53:58,812 INFO L158 Benchmark]: Witness Printer took 510.14ms. Allocated memory is still 69.2MB. Free memory was 28.5MB in the beginning and 33.0MB in the end (delta: -4.5MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2021-11-13 17:53:58,815 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 56.6MB. Free memory was 37.9MB in the beginning and 37.9MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 835.31ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 33.5MB in the beginning and 44.2MB in the end (delta: -10.7MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 132.76ms. Allocated memory is still 69.2MB. Free memory was 44.2MB in the beginning and 36.9MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 182.29ms. Allocated memory is still 69.2MB. Free memory was 36.9MB in the beginning and 45.0MB in the end (delta: -8.1MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * RCFGBuilder took 36886.94ms. Allocated memory is still 69.2MB. Free memory was 45.0MB in the beginning and 39.7MB in the end (delta: 5.3MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * TraceAbstraction took 111202.15ms. Allocated memory is still 69.2MB. Free memory was 39.3MB in the beginning and 28.5MB in the end (delta: 10.9MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * Witness Printer took 510.14ms. Allocated memory is still 69.2MB. Free memory was 28.5MB in the beginning and 33.0MB in the end (delta: -4.5MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * 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 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 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 613]: 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 5 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 111.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 99.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 27 mSolverCounterUnknown, 302 SdHoareTripleChecker+Valid, 98856.87ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 288 mSDsluCounter, 3459 SdHoareTripleChecker+Invalid, 97058.85ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 8 IncrementalHoareTripleChecker+Unchecked, 2502 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 462 IncrementalHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 957 mSDtfsCounter, 462 mSolverCounterSat, 27.33ms SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 119 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=245occurred in iteration=0, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 191 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 149 PreInvPairs, 153 NumberOfFragments, 137 HoareAnnotationTreeSize, 149 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 62 FomulaSimplificationsInter, 10 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 5.5s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 116 ConstructedInterpolants, 11 QuantifiedInterpolants, 529 SizeOfPredicates, 23 NumberOfNonLiveVariables, 1485 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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: 569]: Loop Invariant [2021-11-13 17:53:58,843 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,843 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,843 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,843 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,846 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,847 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,847 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,849 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,850 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,850 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,850 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,850 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\result == ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 573]: Loop Invariant [2021-11-13 17:53:58,860 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,860 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 483]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant [2021-11-13 17:53:58,863 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,865 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,865 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,866 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,866 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,866 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,867 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,867 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,871 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,871 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,872 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-13 17:53:58,872 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((\result == ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-13 17:53:59,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08019f4b-982f-4978-b278-8ffd9ea3c02d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE