./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0210.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0210.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa --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 8f97d7ab8eac5ca3d115fa0347c96d0f4518c09b98759dc2b329944b78141e6f --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 00:28:43,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 00:28:43,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 00:28:43,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 00:28:43,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 00:28:43,137 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 00:28:43,138 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 00:28:43,140 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 00:28:43,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 00:28:43,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 00:28:43,145 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 00:28:43,146 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 00:28:43,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 00:28:43,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 00:28:43,149 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 00:28:43,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 00:28:43,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 00:28:43,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 00:28:43,154 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 00:28:43,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 00:28:43,159 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 00:28:43,160 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 00:28:43,161 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 00:28:43,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 00:28:43,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 00:28:43,166 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 00:28:43,166 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 00:28:43,167 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 00:28:43,168 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 00:28:43,169 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 00:28:43,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 00:28:43,170 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 00:28:43,171 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 00:28:43,172 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 00:28:43,173 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 00:28:43,173 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 00:28:43,174 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 00:28:43,174 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 00:28:43,174 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 00:28:43,175 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 00:28:43,175 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 00:28:43,176 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-07 00:28:43,197 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 00:28:43,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 00:28:43,197 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 00:28:43,197 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 00:28:43,198 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 00:28:43,198 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 00:28:43,199 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 00:28:43,199 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 00:28:43,199 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 00:28:43,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 00:28:43,200 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 00:28:43,200 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 00:28:43,200 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 00:28:43,200 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 00:28:43,200 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 00:28:43,201 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 00:28:43,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 00:28:43,201 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 00:28:43,201 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 00:28:43,201 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 00:28:43,202 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 00:28:43,202 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 00:28:43,202 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 00:28:43,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 00:28:43,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:28:43,202 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 00:28:43,203 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 00:28:43,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 00:28:43,203 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 00:28:43,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 00:28:43,203 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 00:28:43,204 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 00:28:43,204 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 00:28:43,204 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 00:28:43,204 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_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f97d7ab8eac5ca3d115fa0347c96d0f4518c09b98759dc2b329944b78141e6f [2021-12-07 00:28:43,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 00:28:43,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 00:28:43,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 00:28:43,396 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 00:28:43,396 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 00:28:43,397 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/float-newlib/double_req_bl_0210.c [2021-12-07 00:28:43,437 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/data/95e078e52/f3f5c6823fbe4cadaa91494c9ca40ba0/FLAGa84637587 [2021-12-07 00:28:43,844 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 00:28:43,845 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/sv-benchmarks/c/float-newlib/double_req_bl_0210.c [2021-12-07 00:28:43,853 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/data/95e078e52/f3f5c6823fbe4cadaa91494c9ca40ba0/FLAGa84637587 [2021-12-07 00:28:43,863 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/data/95e078e52/f3f5c6823fbe4cadaa91494c9ca40ba0 [2021-12-07 00:28:43,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 00:28:43,866 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 00:28:43,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 00:28:43,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 00:28:43,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 00:28:43,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:28:43" (1/1) ... [2021-12-07 00:28:43,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a87539b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:43, skipping insertion in model container [2021-12-07 00:28:43,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:28:43" (1/1) ... [2021-12-07 00:28:43,877 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 00:28:43,911 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 00:28:44,111 WARN L230 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_1da0c75b-ae21-45f4-a30d-8a867c548fed/sv-benchmarks/c/float-newlib/double_req_bl_0210.c[15959,15972] [2021-12-07 00:28:44,113 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:28:44,127 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 00:28:44,196 WARN L230 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_1da0c75b-ae21-45f4-a30d-8a867c548fed/sv-benchmarks/c/float-newlib/double_req_bl_0210.c[15959,15972] [2021-12-07 00:28:44,196 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:28:44,215 INFO L208 MainTranslator]: Completed translation [2021-12-07 00:28:44,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:44 WrapperNode [2021-12-07 00:28:44,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 00:28:44,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 00:28:44,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 00:28:44,217 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 00:28:44,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:44" (1/1) ... [2021-12-07 00:28:44,242 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:44" (1/1) ... [2021-12-07 00:28:44,284 INFO L137 Inliner]: procedures = 25, calls = 375, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1036 [2021-12-07 00:28:44,285 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 00:28:44,285 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 00:28:44,285 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 00:28:44,285 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 00:28:44,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:44" (1/1) ... [2021-12-07 00:28:44,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:44" (1/1) ... [2021-12-07 00:28:44,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:44" (1/1) ... [2021-12-07 00:28:44,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:44" (1/1) ... [2021-12-07 00:28:44,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:44" (1/1) ... [2021-12-07 00:28:44,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:44" (1/1) ... [2021-12-07 00:28:44,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:44" (1/1) ... [2021-12-07 00:28:44,358 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 00:28:44,359 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 00:28:44,359 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 00:28:44,359 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 00:28:44,360 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:44" (1/1) ... [2021-12-07 00:28:44,366 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:28:44,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:28:44,386 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 00:28:44,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 00:28:44,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 00:28:44,424 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2021-12-07 00:28:44,424 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2021-12-07 00:28:44,425 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cos [2021-12-07 00:28:44,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cos [2021-12-07 00:28:44,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 00:28:44,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-07 00:28:44,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 00:28:44,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-12-07 00:28:44,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 00:28:44,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-12-07 00:28:44,426 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sin [2021-12-07 00:28:44,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sin [2021-12-07 00:28:44,426 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2021-12-07 00:28:44,426 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2021-12-07 00:28:44,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 00:28:44,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 00:28:44,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 00:28:44,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 00:28:44,548 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 00:28:44,549 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 00:28:45,119 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 00:28:45,129 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 00:28:45,129 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-12-07 00:28:45,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:28:45 BoogieIcfgContainer [2021-12-07 00:28:45,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 00:28:45,133 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 00:28:45,134 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 00:28:45,137 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 00:28:45,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:28:43" (1/3) ... [2021-12-07 00:28:45,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@194385b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:28:45, skipping insertion in model container [2021-12-07 00:28:45,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:44" (2/3) ... [2021-12-07 00:28:45,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@194385b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:28:45, skipping insertion in model container [2021-12-07 00:28:45,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:28:45" (3/3) ... [2021-12-07 00:28:45,139 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0210.c [2021-12-07 00:28:45,144 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 00:28:45,145 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 00:28:45,180 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 00:28:45,186 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 [2021-12-07 00:28:45,186 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-07 00:28:45,210 INFO L276 IsEmpty]: Start isEmpty. Operand has 257 states, 239 states have (on average 1.6694560669456067) internal successors, (399), 240 states have internal predecessors, (399), 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) [2021-12-07 00:28:45,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-07 00:28:45,214 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:28:45,215 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:28:45,216 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:28:45,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:28:45,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1677747797, now seen corresponding path program 1 times [2021-12-07 00:28:45,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:28:45,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442454235] [2021-12-07 00:28:45,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:28:45,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:28:45,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:45,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:28:45,444 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:28:45,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442454235] [2021-12-07 00:28:45,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442454235] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:28:45,445 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:28:45,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 00:28:45,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213361221] [2021-12-07 00:28:45,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:28:45,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-07 00:28:45,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:28:45,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-07 00:28:45,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 00:28:45,486 INFO L87 Difference]: Start difference. First operand has 257 states, 239 states have (on average 1.6694560669456067) internal successors, (399), 240 states have internal predecessors, (399), 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) [2021-12-07 00:28:45,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:28:45,542 INFO L93 Difference]: Finished difference Result 512 states and 856 transitions. [2021-12-07 00:28:45,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 00:28:45,544 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 [2021-12-07 00:28:45,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:28:45,556 INFO L225 Difference]: With dead ends: 512 [2021-12-07 00:28:45,556 INFO L226 Difference]: Without dead ends: 254 [2021-12-07 00:28:45,562 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 [2021-12-07 00:28:45,566 INFO L933 BasicCegarLoop]: 359 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:28:45,568 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:28:45,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-12-07 00:28:45,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2021-12-07 00:28:45,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 237 states have (on average 1.40084388185654) internal successors, (332), 237 states have internal predecessors, (332), 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) [2021-12-07 00:28:45,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 356 transitions. [2021-12-07 00:28:45,629 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 356 transitions. Word has length 10 [2021-12-07 00:28:45,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:28:45,629 INFO L470 AbstractCegarLoop]: Abstraction has 254 states and 356 transitions. [2021-12-07 00:28:45,630 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) [2021-12-07 00:28:45,630 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 356 transitions. [2021-12-07 00:28:45,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-07 00:28:45,630 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:28:45,631 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:28:45,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 00:28:45,631 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:28:45,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:28:45,632 INFO L85 PathProgramCache]: Analyzing trace with hash 750166241, now seen corresponding path program 1 times [2021-12-07 00:28:45,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:28:45,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767462005] [2021-12-07 00:28:45,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:28:45,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:28:45,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:28:45,697 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:28:45,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:28:45,767 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:28:45,767 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-07 00:28:45,769 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-07 00:28:45,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 00:28:45,773 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-07 00:28:45,775 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-07 00:28:45,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:28:45 BoogieIcfgContainer [2021-12-07 00:28:45,822 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-07 00:28:45,822 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 00:28:45,822 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 00:28:45,823 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 00:28:45,823 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:28:45" (3/4) ... [2021-12-07 00:28:45,826 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-07 00:28:45,826 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 00:28:45,827 INFO L158 Benchmark]: Toolchain (without parser) took 1960.75ms. Allocated memory was 115.3MB in the beginning and 153.1MB in the end (delta: 37.7MB). Free memory was 75.6MB in the beginning and 81.9MB in the end (delta: -6.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-12-07 00:28:45,827 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 115.3MB. Free memory was 93.5MB in the beginning and 93.3MB in the end (delta: 181.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:28:45,828 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.41ms. Allocated memory is still 115.3MB. Free memory was 75.4MB in the beginning and 74.1MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-07 00:28:45,828 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.10ms. Allocated memory is still 115.3MB. Free memory was 74.1MB in the beginning and 67.9MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-07 00:28:45,829 INFO L158 Benchmark]: Boogie Preprocessor took 72.80ms. Allocated memory is still 115.3MB. Free memory was 67.9MB in the beginning and 61.8MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-07 00:28:45,829 INFO L158 Benchmark]: RCFGBuilder took 773.13ms. Allocated memory is still 115.3MB. Free memory was 61.8MB in the beginning and 53.6MB in the end (delta: 8.2MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2021-12-07 00:28:45,830 INFO L158 Benchmark]: TraceAbstraction took 688.39ms. Allocated memory was 115.3MB in the beginning and 153.1MB in the end (delta: 37.7MB). Free memory was 53.1MB in the beginning and 82.4MB in the end (delta: -29.3MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2021-12-07 00:28:45,831 INFO L158 Benchmark]: Witness Printer took 3.51ms. Allocated memory is still 153.1MB. Free memory was 82.4MB in the beginning and 81.9MB in the end (delta: 479.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:28:45,834 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 115.3MB. Free memory was 93.5MB in the beginning and 93.3MB in the end (delta: 181.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.41ms. Allocated memory is still 115.3MB. Free memory was 75.4MB in the beginning and 74.1MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.10ms. Allocated memory is still 115.3MB. Free memory was 74.1MB in the beginning and 67.9MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.80ms. Allocated memory is still 115.3MB. Free memory was 67.9MB in the beginning and 61.8MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 773.13ms. Allocated memory is still 115.3MB. Free memory was 61.8MB in the beginning and 53.6MB in the end (delta: 8.2MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. * TraceAbstraction took 688.39ms. Allocated memory was 115.3MB in the beginning and 153.1MB in the end (delta: 37.7MB). Free memory was 53.1MB in the beginning and 82.4MB in the end (delta: -29.3MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Witness Printer took 3.51ms. Allocated memory is still 153.1MB. Free memory was 82.4MB in the beginning and 81.9MB in the end (delta: 479.0kB). There was no memory consumed. 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: 639]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 528, overapproximation of someBinaryArithmeticDOUBLEoperation at line 612, overapproximation of bitwiseAnd at line 608, overapproximation of someBinaryDOUBLEComparisonOperation at line 82. Possible FailurePath: [L16] static const double huge_floor = 1.0e300; [L105-L107] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L176] static const int init_jk_krempio[] = {2, 3, 4, 6}; [L178-L183] static const double PIo2_krempio[] = { 1.57079625129699707031e+00, 7.54978941586159635335e-08, 5.39030252995776476554e-15, 3.28200341580791294123e-22, 1.27065575308067607349e-29, 1.22933308981111328932e-36, 2.73370053816464559624e-44, 2.16741683877804819444e-51, }; [L185-L187] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L362-L373] static const __int32_t two_over_pi_rempio[] = { 0xA2F983, 0x6E4E44, 0x1529FC, 0x2757D1, 0xF534DD, 0xC0DB62, 0x95993C, 0x439041, 0xFE5163, 0xABDEBB, 0xC561B7, 0x246E3A, 0x424DD2, 0xE00649, 0x2EEA09, 0xD1921C, 0xFE1DEB, 0x1CB129, 0xA73EE8, 0x8235F5, 0x2EBB44, 0x84E99C, 0x7026B4, 0x5F7E41, 0x3991D6, 0x398353, 0x39F49C, 0x845F8B, 0xBDF928, 0x3B1FF8, 0x97FFDE, 0x05980F, 0xEF2F11, 0x8B5A0A, 0x6D1F6D, 0x367ECF, 0x27CB09, 0xB74F46, 0x3F669E, 0x5FEA2D, 0x7527BA, 0xC7EBE5, 0xF17B3D, 0x0739F7, 0x8A5292, 0xEA6BFB, 0x5FB11F, 0x8D5D08, 0x560330, 0x46FC7B, 0x6BABF0, 0xCFBC20, 0x9AF436, 0x1DA9E3, 0x91615E, 0xE61B08, 0x659985, 0x5F14A0, 0x68408D, 0xFFD880, 0x4D7327, 0x310606, 0x1556CA, 0x73A8C9, 0x60E27B, 0xC08C6B, }; [L375-L382] static const __int32_t npio2_hw_rempio[] = { 0x3FF921FB, 0x400921FB, 0x4012D97C, 0x401921FB, 0x401F6A7A, 0x4022D97C, 0x4025FDBB, 0x402921FB, 0x402C463A, 0x402F6A7A, 0x4031475C, 0x4032D97C, 0x40346B9C, 0x4035FDBB, 0x40378FDB, 0x403921FB, 0x403AB41B, 0x403C463A, 0x403DD85A, 0x403F6A7A, 0x40407E4C, 0x4041475C, 0x4042106C, 0x4042D97C, 0x4043A28C, 0x40446B9C, 0x404534AC, 0x4045FDBB, 0x4046C6CB, 0x40478FDB, 0x404858EB, 0x404921FB, }; [L384-L393] static const double zero_rempio = 0.00000000000000000000e+00, half_rempio = 5.00000000000000000000e-01, two24_rempio = 1.67772160000000000000e+07, invpio2_rempio = 6.36619772367581382433e-01, pio2_1_rempio = 1.57079632673412561417e+00, pio2_1t_rempio = 6.07710050650619224932e-11, pio2_2_rempio = 6.07710050630396597660e-11, pio2_2t_rempio = 2.02226624879595063154e-21, pio2_3_rempio = 2.02226624871116645580e-21, pio2_3t_rempio = 8.47842766036889956997e-32; [L526-L532] static const double one_kcos = 1.00000000000000000000e+00, C1_kcos = 4.16666666666666019037e-02, C2_kcos = -1.38888888888741095749e-03, C3_kcos = 2.48015872894767294178e-05, C4_kcos = -2.75573143513906633035e-07, C5_kcos = 2.08757232129817482790e-09, C6_kcos = -1.13596475577881948265e-11; [L570-L576] static const double half_ksin = 5.00000000000000000000e-01, S1_ksin = -1.66666666666666324348e-01, S2_ksin = 8.33333333332248946124e-03, S3_ksin = -1.98412698298579493134e-04, S4_ksin = 2.75573137070700676789e-06, S5_ksin = -2.50507602534068634195e-08, S6_ksin = 1.58969099521155010221e-10; VAL [C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, zero_krempio=0, zero_rempio=0] [L634] double x = 0.0 / 0.0; [L635] CALL, EXPR sin_double(x) [L601] double y[2], z = 0.0; [L602] __int32_t n, ix; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L604] ieee_double_shape_type gh_u; [L605] gh_u.value = (x) [L606] EXPR gh_u.parts.msw [L606] (ix) = gh_u.parts.msw [L608] ix &= 0x7fffffff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L609] COND FALSE !(ix <= 0x3fe921fb) VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, ix=2146435072, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L611] COND TRUE ix >= 0x7ff00000 [L612] return x - x; [L612] return x - x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, ix=2146435072, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, z=0, zero_krempio=0, zero_rempio=0] [L635] RET, EXPR sin_double(x) [L635] double res = sin_double(x); [L638] CALL, EXPR isnan_double(res) [L82] return x != x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, \result=0, C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, zero_krempio=0, zero_rempio=0] [L638] RET, EXPR isnan_double(res) [L638] COND TRUE !isnan_double(res) [L639] reach_error() VAL [C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 257 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 359 SdHoareTripleChecker+Invalid, 0.0s 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, 359 mSDtfsCounter, 0 mSolverCounterSat, 0.0s 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=257occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s 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 [2021-12-07 00:28:45,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/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_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0210.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa --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 8f97d7ab8eac5ca3d115fa0347c96d0f4518c09b98759dc2b329944b78141e6f --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 00:28:47,366 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 00:28:47,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 00:28:47,389 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 00:28:47,390 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 00:28:47,390 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 00:28:47,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 00:28:47,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 00:28:47,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 00:28:47,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 00:28:47,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 00:28:47,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 00:28:47,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 00:28:47,399 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 00:28:47,400 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 00:28:47,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 00:28:47,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 00:28:47,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 00:28:47,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 00:28:47,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 00:28:47,408 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 00:28:47,410 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 00:28:47,411 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 00:28:47,411 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 00:28:47,414 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 00:28:47,415 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 00:28:47,415 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 00:28:47,416 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 00:28:47,416 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 00:28:47,417 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 00:28:47,417 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 00:28:47,418 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 00:28:47,419 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 00:28:47,419 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 00:28:47,420 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 00:28:47,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 00:28:47,421 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 00:28:47,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 00:28:47,422 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 00:28:47,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 00:28:47,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 00:28:47,424 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-07 00:28:47,441 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 00:28:47,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 00:28:47,442 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 00:28:47,442 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 00:28:47,442 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 00:28:47,442 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 00:28:47,443 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 00:28:47,443 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 00:28:47,443 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 00:28:47,443 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 00:28:47,444 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 00:28:47,444 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 00:28:47,444 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 00:28:47,444 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 00:28:47,444 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 00:28:47,444 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 00:28:47,444 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-07 00:28:47,444 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-07 00:28:47,445 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-07 00:28:47,445 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 00:28:47,445 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 00:28:47,445 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 00:28:47,445 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 00:28:47,445 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 00:28:47,445 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 00:28:47,445 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 00:28:47,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:28:47,446 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 00:28:47,446 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 00:28:47,446 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 00:28:47,446 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-07 00:28:47,446 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-07 00:28:47,446 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 00:28:47,447 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 00:28:47,447 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 00:28:47,447 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 00:28:47,447 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-07 00:28:47,447 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_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f97d7ab8eac5ca3d115fa0347c96d0f4518c09b98759dc2b329944b78141e6f [2021-12-07 00:28:47,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 00:28:47,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 00:28:47,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 00:28:47,718 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 00:28:47,719 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 00:28:47,720 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/float-newlib/double_req_bl_0210.c [2021-12-07 00:28:47,761 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/data/850c578a5/805cbc5f76b74344b525609fe534e873/FLAGb58dbab10 [2021-12-07 00:28:48,190 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 00:28:48,190 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/sv-benchmarks/c/float-newlib/double_req_bl_0210.c [2021-12-07 00:28:48,199 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/data/850c578a5/805cbc5f76b74344b525609fe534e873/FLAGb58dbab10 [2021-12-07 00:28:48,208 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/data/850c578a5/805cbc5f76b74344b525609fe534e873 [2021-12-07 00:28:48,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 00:28:48,211 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 00:28:48,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 00:28:48,212 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 00:28:48,214 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 00:28:48,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:28:48" (1/1) ... [2021-12-07 00:28:48,216 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54144ed9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:48, skipping insertion in model container [2021-12-07 00:28:48,216 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:28:48" (1/1) ... [2021-12-07 00:28:48,221 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 00:28:48,251 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 00:28:48,493 WARN L230 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_1da0c75b-ae21-45f4-a30d-8a867c548fed/sv-benchmarks/c/float-newlib/double_req_bl_0210.c[15959,15972] [2021-12-07 00:28:48,496 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:28:48,519 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 00:28:48,609 WARN L230 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_1da0c75b-ae21-45f4-a30d-8a867c548fed/sv-benchmarks/c/float-newlib/double_req_bl_0210.c[15959,15972] [2021-12-07 00:28:48,610 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:28:48,642 INFO L208 MainTranslator]: Completed translation [2021-12-07 00:28:48,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:48 WrapperNode [2021-12-07 00:28:48,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 00:28:48,643 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 00:28:48,643 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 00:28:48,643 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 00:28:48,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:48" (1/1) ... [2021-12-07 00:28:48,675 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:48" (1/1) ... [2021-12-07 00:28:48,724 INFO L137 Inliner]: procedures = 29, calls = 375, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1034 [2021-12-07 00:28:48,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 00:28:48,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 00:28:48,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 00:28:48,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 00:28:48,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:48" (1/1) ... [2021-12-07 00:28:48,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:48" (1/1) ... [2021-12-07 00:28:48,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:48" (1/1) ... [2021-12-07 00:28:48,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:48" (1/1) ... [2021-12-07 00:28:48,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:48" (1/1) ... [2021-12-07 00:28:48,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:48" (1/1) ... [2021-12-07 00:28:48,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:48" (1/1) ... [2021-12-07 00:28:48,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 00:28:48,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 00:28:48,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 00:28:48,807 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 00:28:48,808 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:48" (1/1) ... [2021-12-07 00:28:48,814 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:28:48,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:28:48,832 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 00:28:48,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 00:28:48,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 00:28:48,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-12-07 00:28:48,860 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2021-12-07 00:28:48,861 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2021-12-07 00:28:48,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-12-07 00:28:48,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-07 00:28:48,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-07 00:28:48,861 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cos [2021-12-07 00:28:48,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cos [2021-12-07 00:28:48,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 00:28:48,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-12-07 00:28:48,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-07 00:28:48,862 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sin [2021-12-07 00:28:48,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sin [2021-12-07 00:28:48,862 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2021-12-07 00:28:48,862 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2021-12-07 00:28:48,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 00:28:48,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 00:28:48,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-07 00:28:48,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 00:28:48,983 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 00:28:48,984 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 00:29:41,289 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 00:29:41,300 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 00:29:41,300 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-12-07 00:29:41,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:29:41 BoogieIcfgContainer [2021-12-07 00:29:41,302 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 00:29:41,304 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 00:29:41,304 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 00:29:41,306 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 00:29:41,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:28:48" (1/3) ... [2021-12-07 00:29:41,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13871d65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:29:41, skipping insertion in model container [2021-12-07 00:29:41,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:48" (2/3) ... [2021-12-07 00:29:41,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13871d65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:29:41, skipping insertion in model container [2021-12-07 00:29:41,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:29:41" (3/3) ... [2021-12-07 00:29:41,309 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0210.c [2021-12-07 00:29:41,313 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 00:29:41,314 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 00:29:41,356 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 00:29:41,362 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 [2021-12-07 00:29:41,362 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-07 00:29:41,378 INFO L276 IsEmpty]: Start isEmpty. Operand has 257 states, 239 states have (on average 1.6694560669456067) internal successors, (399), 240 states have internal predecessors, (399), 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) [2021-12-07 00:29:41,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-07 00:29:41,381 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:29:41,381 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:29:41,381 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:29:41,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:29:41,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1677747797, now seen corresponding path program 1 times [2021-12-07 00:29:41,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:29:41,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1499873645] [2021-12-07 00:29:41,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:29:41,396 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:29:41,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:29:41,397 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:29:41,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-07 00:29:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:41,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-07 00:29:41,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:29:41,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:29:41,819 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:29:41,820 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:29:41,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1499873645] [2021-12-07 00:29:41,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1499873645] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:29:41,821 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:29:41,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 00:29:41,822 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699269532] [2021-12-07 00:29:41,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:29:41,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-07 00:29:41,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:29:41,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-07 00:29:41,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 00:29:41,850 INFO L87 Difference]: Start difference. First operand has 257 states, 239 states have (on average 1.6694560669456067) internal successors, (399), 240 states have internal predecessors, (399), 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) [2021-12-07 00:29:41,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:29:41,895 INFO L93 Difference]: Finished difference Result 512 states and 856 transitions. [2021-12-07 00:29:41,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 00:29:41,896 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 [2021-12-07 00:29:41,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:29:41,904 INFO L225 Difference]: With dead ends: 512 [2021-12-07 00:29:41,904 INFO L226 Difference]: Without dead ends: 254 [2021-12-07 00:29:41,909 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 00:29:41,911 INFO L933 BasicCegarLoop]: 359 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:29:41,912 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:29:41,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-12-07 00:29:41,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2021-12-07 00:29:41,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 237 states have (on average 1.40084388185654) internal successors, (332), 237 states have internal predecessors, (332), 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) [2021-12-07 00:29:41,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 356 transitions. [2021-12-07 00:29:41,964 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 356 transitions. Word has length 10 [2021-12-07 00:29:41,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:29:41,965 INFO L470 AbstractCegarLoop]: Abstraction has 254 states and 356 transitions. [2021-12-07 00:29:41,965 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) [2021-12-07 00:29:41,965 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 356 transitions. [2021-12-07 00:29:41,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-07 00:29:41,965 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:29:41,965 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:29:41,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-07 00:29:42,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:29:42,168 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:29:42,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:29:42,170 INFO L85 PathProgramCache]: Analyzing trace with hash 750166241, now seen corresponding path program 1 times [2021-12-07 00:29:42,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:29:42,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1553041733] [2021-12-07 00:29:42,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:29:42,174 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:29:42,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:29:42,178 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:29:42,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-07 00:29:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:42,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-07 00:29:42,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:29:43,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:29:43,510 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:29:43,511 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:29:43,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1553041733] [2021-12-07 00:29:43,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1553041733] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:29:43,511 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:29:43,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:29:43,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370353901] [2021-12-07 00:29:43,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:29:43,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 00:29:43,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:29:43,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 00:29:43,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-07 00:29:43,514 INFO L87 Difference]: Start difference. First operand 254 states and 356 transitions. Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 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) [2021-12-07 00:29:46,934 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:29:49,871 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:29:52,342 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:29:53,814 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:29:56,040 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:29:57,226 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:29:59,461 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:30:02,107 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:30:05,366 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:30:08,488 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:30:10,700 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:30:13,086 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:30:15,419 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:30:17,740 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:30:20,184 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:30:22,456 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:30:24,642 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:30:27,391 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:30:29,842 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:30:32,730 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:30:37,440 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:30:40,025 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:30:42,617 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:30:44,889 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:30:47,079 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:30:49,487 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:30:51,836 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:30:54,629 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:30:56,729 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:30:56,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:30:56,730 INFO L93 Difference]: Finished difference Result 379 states and 527 transitions. [2021-12-07 00:30:56,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:30:56,762 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 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 [2021-12-07 00:30:56,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:30:56,767 INFO L225 Difference]: With dead ends: 379 [2021-12-07 00:30:56,767 INFO L226 Difference]: Without dead ends: 374 [2021-12-07 00:30:56,768 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:30:56,769 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 306 mSDsluCounter, 1277 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 12 mSolverCounterUnsat, 27 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 70.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 1600 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 27 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 72.7s IncrementalHoareTripleChecker+Time [2021-12-07 00:30:56,769 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [318 Valid, 1600 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 155 Invalid, 27 Unknown, 0 Unchecked, 72.7s Time] [2021-12-07 00:30:56,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2021-12-07 00:30:56,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 288. [2021-12-07 00:30:56,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 269 states have (on average 1.3977695167286246) internal successors, (376), 270 states have internal predecessors, (376), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (14), 12 states have call predecessors, (14), 13 states have call successors, (14) [2021-12-07 00:30:56,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 403 transitions. [2021-12-07 00:30:56,793 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 403 transitions. Word has length 11 [2021-12-07 00:30:56,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:30:56,794 INFO L470 AbstractCegarLoop]: Abstraction has 288 states and 403 transitions. [2021-12-07 00:30:56,794 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 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) [2021-12-07 00:30:56,794 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 403 transitions. [2021-12-07 00:30:56,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-12-07 00:30:56,795 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:30:56,795 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] [2021-12-07 00:30:56,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-12-07 00:30:56,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:30:56,997 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:30:56,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:30:56,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1355433090, now seen corresponding path program 1 times [2021-12-07 00:30:57,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:30:57,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1679121881] [2021-12-07 00:30:57,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:30:57,003 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:30:57,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:30:57,005 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:30:57,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-07 00:30:57,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:57,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-07 00:30:57,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:31:00,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:31:00,127 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:31:00,128 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:31:00,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1679121881] [2021-12-07 00:31:00,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1679121881] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:31:00,128 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:31:00,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 00:31:00,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558667427] [2021-12-07 00:31:00,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:31:00,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 00:31:00,129 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:31:00,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 00:31:00,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=12, Unknown=1, NotChecked=0, Total=20 [2021-12-07 00:31:00,130 INFO L87 Difference]: Start difference. First operand 288 states and 403 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 00:31:00,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:31:00,144 INFO L93 Difference]: Finished difference Result 303 states and 419 transitions. [2021-12-07 00:31:00,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 00:31:00,145 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2021-12-07 00:31:00,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:31:00,148 INFO L225 Difference]: With dead ends: 303 [2021-12-07 00:31:00,148 INFO L226 Difference]: Without dead ends: 286 [2021-12-07 00:31:00,148 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=7, Invalid=12, Unknown=1, NotChecked=0, Total=20 [2021-12-07 00:31:00,149 INFO L933 BasicCegarLoop]: 348 mSDtfsCounter, 0 mSDsluCounter, 1037 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1385 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 8 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:31:00,149 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1385 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 8 Unchecked, 0.0s Time] [2021-12-07 00:31:00,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2021-12-07 00:31:00,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 286. [2021-12-07 00:31:00,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 268 states have (on average 1.3955223880597014) internal successors, (374), 269 states have internal predecessors, (374), 12 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (13), 11 states have call predecessors, (13), 12 states have call successors, (13) [2021-12-07 00:31:00,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 399 transitions. [2021-12-07 00:31:00,169 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 399 transitions. Word has length 20 [2021-12-07 00:31:00,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:31:00,169 INFO L470 AbstractCegarLoop]: Abstraction has 286 states and 399 transitions. [2021-12-07 00:31:00,170 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 00:31:00,170 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 399 transitions. [2021-12-07 00:31:00,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-12-07 00:31:00,171 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:31:00,171 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] [2021-12-07 00:31:00,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-12-07 00:31:00,371 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:31:00,372 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:31:00,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:31:00,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1493280314, now seen corresponding path program 1 times [2021-12-07 00:31:00,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:31:00,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2023058229] [2021-12-07 00:31:00,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:31:00,378 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:31:00,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:31:00,380 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:31:00,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-07 00:31:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:00,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-07 00:31:00,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:31:01,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:31:01,937 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:31:01,937 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:31:01,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2023058229] [2021-12-07 00:31:01,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2023058229] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:31:01,938 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:31:01,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:31:01,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929190608] [2021-12-07 00:31:01,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:31:01,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:31:01,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:31:01,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:31:01,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:31:01,940 INFO L87 Difference]: Start difference. First operand 286 states and 399 transitions. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 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) [2021-12-07 00:31:01,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:31:01,959 INFO L93 Difference]: Finished difference Result 329 states and 454 transitions. [2021-12-07 00:31:01,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:31:01,959 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 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 21 [2021-12-07 00:31:01,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:31:01,962 INFO L225 Difference]: With dead ends: 329 [2021-12-07 00:31:01,962 INFO L226 Difference]: Without dead ends: 286 [2021-12-07 00:31:01,962 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:31:01,963 INFO L933 BasicCegarLoop]: 345 mSDtfsCounter, 0 mSDsluCounter, 1350 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1695 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 30 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:31:01,963 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1695 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 30 Unchecked, 0.0s Time] [2021-12-07 00:31:01,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2021-12-07 00:31:01,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 286. [2021-12-07 00:31:01,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 268 states have (on average 1.3917910447761195) internal successors, (373), 269 states have internal predecessors, (373), 12 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (13), 11 states have call predecessors, (13), 12 states have call successors, (13) [2021-12-07 00:31:01,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 398 transitions. [2021-12-07 00:31:01,975 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 398 transitions. Word has length 21 [2021-12-07 00:31:01,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:31:01,976 INFO L470 AbstractCegarLoop]: Abstraction has 286 states and 398 transitions. [2021-12-07 00:31:01,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 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) [2021-12-07 00:31:01,976 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 398 transitions. [2021-12-07 00:31:01,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-07 00:31:01,977 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:31:01,977 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, 1, 1, 1] [2021-12-07 00:31:01,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-12-07 00:31:02,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:31:02,178 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:31:02,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:31:02,178 INFO L85 PathProgramCache]: Analyzing trace with hash -818154427, now seen corresponding path program 1 times [2021-12-07 00:31:02,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:31:02,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [101981698] [2021-12-07 00:31:02,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:31:02,179 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:31:02,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:31:02,180 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:31:02,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-07 00:31:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:02,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-07 00:31:02,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:31:02,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:31:02,812 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:31:02,812 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:31:02,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [101981698] [2021-12-07 00:31:02,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [101981698] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:31:02,813 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:31:02,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:31:02,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094866714] [2021-12-07 00:31:02,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:31:02,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:31:02,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:31:02,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:31:02,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:31:02,815 INFO L87 Difference]: Start difference. First operand 286 states and 398 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2021-12-07 00:31:03,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:31:03,193 INFO L93 Difference]: Finished difference Result 333 states and 456 transitions. [2021-12-07 00:31:03,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 00:31:03,198 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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 24 [2021-12-07 00:31:03,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:31:03,200 INFO L225 Difference]: With dead ends: 333 [2021-12-07 00:31:03,200 INFO L226 Difference]: Without dead ends: 294 [2021-12-07 00:31:03,200 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:31:03,201 INFO L933 BasicCegarLoop]: 351 mSDtfsCounter, 17 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 1016 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-07 00:31:03,201 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 1016 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-07 00:31:03,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-12-07 00:31:03,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 287. [2021-12-07 00:31:03,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 269 states have (on average 1.3866171003717471) internal successors, (373), 270 states have internal predecessors, (373), 12 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (13), 11 states have call predecessors, (13), 12 states have call successors, (13) [2021-12-07 00:31:03,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 398 transitions. [2021-12-07 00:31:03,213 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 398 transitions. Word has length 24 [2021-12-07 00:31:03,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:31:03,213 INFO L470 AbstractCegarLoop]: Abstraction has 287 states and 398 transitions. [2021-12-07 00:31:03,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2021-12-07 00:31:03,213 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 398 transitions. [2021-12-07 00:31:03,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-12-07 00:31:03,215 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:31:03,215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:31:03,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-12-07 00:31:03,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:31:03,416 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:31:03,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:31:03,418 INFO L85 PathProgramCache]: Analyzing trace with hash -945352540, now seen corresponding path program 1 times [2021-12-07 00:31:03,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:31:03,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [526031482] [2021-12-07 00:31:03,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:31:03,421 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:31:03,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:31:03,423 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:31:03,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-07 00:31:03,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:03,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 26 conjunts are in the unsatisfiable core [2021-12-07 00:31:03,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:31:05,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:05,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 18 [2021-12-07 00:31:06,210 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-07 00:31:06,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 20 [2021-12-07 00:31:08,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:31:08,392 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:31:08,392 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:31:08,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [526031482] [2021-12-07 00:31:08,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [526031482] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:31:08,392 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:31:08,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-07 00:31:08,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607387944] [2021-12-07 00:31:08,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:31:08,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-07 00:31:08,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:31:08,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-07 00:31:08,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-12-07 00:31:08,394 INFO L87 Difference]: Start difference. First operand 287 states and 398 transitions. Second operand has 11 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 00:31:10,867 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:31:13,009 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:31:14,413 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:31:16,558 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:31:19,466 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:31:21,585 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:31:26,018 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:31:28,025 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:31:30,041 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:31:32,394 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:31:34,659 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:31:36,667 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:31:38,673 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:31:41,161 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:31:43,163 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:31:45,167 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:31:47,991 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:31:50,517 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:31:52,521 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:31:54,845 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:31:56,852 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:31:59,695 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:32:01,701 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:32:04,041 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:32:06,047 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:32:08,685 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:32:10,961 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:32:13,085 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:32:15,274 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:32:17,871 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:32:19,927 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:32:22,824 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:32:24,979 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:32:27,491 WARN L534 Checker$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 [] [2021-12-07 00:32:32,983 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:32:35,840 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:32:38,663 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:32:40,665 WARN L534 Checker$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 [] [2021-12-07 00:32:42,906 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:32:44,914 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:32:47,078 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:32:49,085 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:32:51,775 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:32:52,902 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:32:55,345 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:32:58,375 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:32:58,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:32:58,739 INFO L93 Difference]: Finished difference Result 386 states and 532 transitions. [2021-12-07 00:32:58,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-07 00:32:58,776 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2021-12-07 00:32:58,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:32:58,779 INFO L225 Difference]: With dead ends: 386 [2021-12-07 00:32:58,779 INFO L226 Difference]: Without dead ends: 380 [2021-12-07 00:32:58,780 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-12-07 00:32:58,780 INFO L933 BasicCegarLoop]: 313 mSDtfsCounter, 264 mSDsluCounter, 2368 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 18 mSolverCounterUnsat, 41 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 106.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 2681 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 41 IncrementalHoareTripleChecker+Unknown, 267 IncrementalHoareTripleChecker+Unchecked, 109.3s IncrementalHoareTripleChecker+Time [2021-12-07 00:32:58,781 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [265 Valid, 2681 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 154 Invalid, 41 Unknown, 267 Unchecked, 109.3s Time] [2021-12-07 00:32:58,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2021-12-07 00:32:58,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 312. [2021-12-07 00:32:58,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 288 states have (on average 1.375) internal successors, (396), 293 states have internal predecessors, (396), 16 states have call successors, (16), 6 states have call predecessors, (16), 7 states have return successors, (19), 12 states have call predecessors, (19), 16 states have call successors, (19) [2021-12-07 00:32:58,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 431 transitions. [2021-12-07 00:32:58,799 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 431 transitions. Word has length 30 [2021-12-07 00:32:58,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:32:58,800 INFO L470 AbstractCegarLoop]: Abstraction has 312 states and 431 transitions. [2021-12-07 00:32:58,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 00:32:58,800 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 431 transitions. [2021-12-07 00:32:58,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-07 00:32:58,802 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:32:58,802 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:32:58,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-12-07 00:32:59,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:32:59,004 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:32:59,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:32:59,006 INFO L85 PathProgramCache]: Analyzing trace with hash 762279202, now seen corresponding path program 1 times [2021-12-07 00:32:59,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:32:59,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [569058595] [2021-12-07 00:32:59,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:32:59,009 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:32:59,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:32:59,011 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:32:59,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-12-07 00:32:59,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:32:59,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-07 00:32:59,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:33:01,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:33:01,264 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:33:01,264 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:33:01,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [569058595] [2021-12-07 00:33:01,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [569058595] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:33:01,265 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:33:01,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:33:01,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288634488] [2021-12-07 00:33:01,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:33:01,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:33:01,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:33:01,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:33:01,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:33:01,266 INFO L87 Difference]: Start difference. First operand 312 states and 431 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 00:33:01,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:33:01,281 INFO L93 Difference]: Finished difference Result 358 states and 490 transitions. [2021-12-07 00:33:01,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:33:01,282 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2021-12-07 00:33:01,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:33:01,285 INFO L225 Difference]: With dead ends: 358 [2021-12-07 00:33:01,285 INFO L226 Difference]: Without dead ends: 307 [2021-12-07 00:33:01,285 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:33:01,286 INFO L933 BasicCegarLoop]: 333 mSDtfsCounter, 0 mSDsluCounter, 1312 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1645 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 21 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:33:01,286 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1645 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 21 Unchecked, 0.0s Time] [2021-12-07 00:33:01,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2021-12-07 00:33:01,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 307. [2021-12-07 00:33:01,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 283 states have (on average 1.3674911660777385) internal successors, (387), 288 states have internal predecessors, (387), 16 states have call successors, (16), 6 states have call predecessors, (16), 7 states have return successors, (19), 12 states have call predecessors, (19), 16 states have call successors, (19) [2021-12-07 00:33:01,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 422 transitions. [2021-12-07 00:33:01,302 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 422 transitions. Word has length 31 [2021-12-07 00:33:01,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:33:01,302 INFO L470 AbstractCegarLoop]: Abstraction has 307 states and 422 transitions. [2021-12-07 00:33:01,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 00:33:01,302 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 422 transitions. [2021-12-07 00:33:01,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-07 00:33:01,303 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:33:01,303 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:33:01,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-12-07 00:33:01,503 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:33:01,504 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:33:01,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:33:01,504 INFO L85 PathProgramCache]: Analyzing trace with hash -682654608, now seen corresponding path program 1 times [2021-12-07 00:33:01,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:33:01,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [939413947] [2021-12-07 00:33:01,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:33:01,505 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:33:01,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:33:01,506 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:33:01,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-12-07 00:33:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:33:03,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-07 00:33:03,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:33:04,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:33:04,193 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:33:04,193 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:33:04,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [939413947] [2021-12-07 00:33:04,193 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [939413947] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:33:04,193 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:33:04,194 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:33:04,194 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457647871] [2021-12-07 00:33:04,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:33:04,194 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:33:04,194 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:33:04,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:33:04,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:33:04,195 INFO L87 Difference]: Start difference. First operand 307 states and 422 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 00:33:06,506 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:33:09,034 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:33:09,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:33:09,356 INFO L93 Difference]: Finished difference Result 320 states and 438 transitions. [2021-12-07 00:33:09,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 00:33:09,357 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2021-12-07 00:33:09,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:33:09,360 INFO L225 Difference]: With dead ends: 320 [2021-12-07 00:33:09,360 INFO L226 Difference]: Without dead ends: 309 [2021-12-07 00:33:09,361 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:33:09,362 INFO L933 BasicCegarLoop]: 337 mSDtfsCounter, 4 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 995 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-12-07 00:33:09,362 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 995 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 2 Unknown, 0 Unchecked, 5.1s Time] [2021-12-07 00:33:09,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2021-12-07 00:33:09,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 307. [2021-12-07 00:33:09,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 283 states have (on average 1.3604240282685511) internal successors, (385), 288 states have internal predecessors, (385), 16 states have call successors, (16), 6 states have call predecessors, (16), 7 states have return successors, (19), 12 states have call predecessors, (19), 16 states have call successors, (19) [2021-12-07 00:33:09,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 420 transitions. [2021-12-07 00:33:09,376 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 420 transitions. Word has length 31 [2021-12-07 00:33:09,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:33:09,376 INFO L470 AbstractCegarLoop]: Abstraction has 307 states and 420 transitions. [2021-12-07 00:33:09,377 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 00:33:09,377 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 420 transitions. [2021-12-07 00:33:09,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-07 00:33:09,378 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:33:09,378 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:33:09,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-12-07 00:33:09,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:33:09,579 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:33:09,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:33:09,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1060155727, now seen corresponding path program 1 times [2021-12-07 00:33:09,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:33:09,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1015696178] [2021-12-07 00:33:09,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:33:09,582 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:33:09,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:33:09,584 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:33:09,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-12-07 00:33:12,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:33:12,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-07 00:33:12,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:33:15,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:33:15,573 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:33:15,573 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:33:15,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1015696178] [2021-12-07 00:33:15,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1015696178] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:33:15,573 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:33:15,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 00:33:15,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023833787] [2021-12-07 00:33:15,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:33:15,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 00:33:15,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:33:15,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 00:33:15,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=12, Unknown=1, NotChecked=0, Total=20 [2021-12-07 00:33:15,575 INFO L87 Difference]: Start difference. First operand 307 states and 420 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 00:33:15,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:33:15,582 INFO L93 Difference]: Finished difference Result 307 states and 420 transitions. [2021-12-07 00:33:15,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 00:33:15,582 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2021-12-07 00:33:15,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:33:15,583 INFO L225 Difference]: With dead ends: 307 [2021-12-07 00:33:15,583 INFO L226 Difference]: Without dead ends: 0 [2021-12-07 00:33:15,584 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=7, Invalid=12, Unknown=1, NotChecked=0, Total=20 [2021-12-07 00:33:15,585 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 5 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:33:15,585 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 5 Unchecked, 0.0s Time] [2021-12-07 00:33:15,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-07 00:33:15,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-07 00:33:15,586 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) [2021-12-07 00:33:15,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-07 00:33:15,587 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2021-12-07 00:33:15,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:33:15,587 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 00:33:15,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 00:33:15,587 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-07 00:33:15,587 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-07 00:33:15,590 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-07 00:33:15,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-12-07 00:33:15,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:33:15,797 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-07 00:33:16,968 INFO L858 garLoopResultBuilder]: For program point L122-1(lines 122 126) no Hoare annotation was computed. [2021-12-07 00:33:16,968 INFO L861 garLoopResultBuilder]: At program point L122-2(lines 122 126) the Hoare annotation is: true [2021-12-07 00:33:16,968 INFO L858 garLoopResultBuilder]: For program point L122-3(lines 122 126) no Hoare annotation was computed. [2021-12-07 00:33:16,968 INFO L858 garLoopResultBuilder]: For program point L118(lines 118 130) no Hoare annotation was computed. [2021-12-07 00:33:16,968 INFO L858 garLoopResultBuilder]: For program point L118-2(lines 109 159) no Hoare annotation was computed. [2021-12-07 00:33:16,968 INFO L861 garLoopResultBuilder]: At program point L147(line 147) the Hoare annotation is: true [2021-12-07 00:33:16,969 INFO L858 garLoopResultBuilder]: For program point L147-1(line 147) no Hoare annotation was computed. [2021-12-07 00:33:16,969 INFO L858 garLoopResultBuilder]: For program point scalbn_doubleFINAL(lines 109 159) no Hoare annotation was computed. [2021-12-07 00:33:16,969 INFO L861 garLoopResultBuilder]: At program point L135(line 135) the Hoare annotation is: true [2021-12-07 00:33:16,969 INFO L858 garLoopResultBuilder]: For program point L135-1(line 135) no Hoare annotation was computed. [2021-12-07 00:33:16,969 INFO L858 garLoopResultBuilder]: For program point L119(lines 119 120) no Hoare annotation was computed. [2021-12-07 00:33:16,969 INFO L858 garLoopResultBuilder]: For program point L152-1(lines 152 157) no Hoare annotation was computed. [2021-12-07 00:33:16,969 INFO L861 garLoopResultBuilder]: At program point L152-2(lines 152 157) the Hoare annotation is: true [2021-12-07 00:33:16,969 INFO L858 garLoopResultBuilder]: For program point L152-3(lines 152 157) no Hoare annotation was computed. [2021-12-07 00:33:16,970 INFO L858 garLoopResultBuilder]: For program point L111-1(lines 111 116) no Hoare annotation was computed. [2021-12-07 00:33:16,970 INFO L858 garLoopResultBuilder]: For program point scalbn_doubleEXIT(lines 109 159) no Hoare annotation was computed. [2021-12-07 00:33:16,970 INFO L861 garLoopResultBuilder]: At program point L111-2(lines 111 116) the Hoare annotation is: true [2021-12-07 00:33:16,970 INFO L858 garLoopResultBuilder]: For program point L111-3(lines 111 116) no Hoare annotation was computed. [2021-12-07 00:33:16,970 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 144) no Hoare annotation was computed. [2021-12-07 00:33:16,970 INFO L861 garLoopResultBuilder]: At program point scalbn_doubleENTRY(lines 109 159) the Hoare annotation is: true [2021-12-07 00:33:16,970 INFO L858 garLoopResultBuilder]: For program point L128(lines 128 129) no Hoare annotation was computed. [2021-12-07 00:33:16,970 INFO L861 garLoopResultBuilder]: At program point L149(line 149) the Hoare annotation is: true [2021-12-07 00:33:16,971 INFO L858 garLoopResultBuilder]: For program point L149-1(line 149) no Hoare annotation was computed. [2021-12-07 00:33:16,971 INFO L858 garLoopResultBuilder]: For program point L145(lines 145 150) no Hoare annotation was computed. [2021-12-07 00:33:16,971 INFO L858 garLoopResultBuilder]: For program point L137-1(lines 137 142) no Hoare annotation was computed. [2021-12-07 00:33:16,971 INFO L861 garLoopResultBuilder]: At program point L137-2(lines 137 142) the Hoare annotation is: true [2021-12-07 00:33:16,971 INFO L858 garLoopResultBuilder]: For program point L137-3(lines 137 142) no Hoare annotation was computed. [2021-12-07 00:33:16,971 INFO L858 garLoopResultBuilder]: For program point L146(lines 146 149) no Hoare annotation was computed. [2021-12-07 00:33:16,971 INFO L858 garLoopResultBuilder]: For program point L134(lines 134 135) no Hoare annotation was computed. [2021-12-07 00:33:16,971 INFO L858 garLoopResultBuilder]: For program point L91(lines 91 95) no Hoare annotation was computed. [2021-12-07 00:33:16,972 INFO L858 garLoopResultBuilder]: For program point L91-1(lines 84 103) no Hoare annotation was computed. [2021-12-07 00:33:16,972 INFO L858 garLoopResultBuilder]: For program point copysign_doubleFINAL(lines 84 103) no Hoare annotation was computed. [2021-12-07 00:33:16,972 INFO L858 garLoopResultBuilder]: For program point copysign_doubleEXIT(lines 84 103) no Hoare annotation was computed. [2021-12-07 00:33:16,972 INFO L861 garLoopResultBuilder]: At program point copysign_doubleENTRY(lines 84 103) the Hoare annotation is: true [2021-12-07 00:33:16,972 INFO L858 garLoopResultBuilder]: For program point L96(lines 96 101) no Hoare annotation was computed. [2021-12-07 00:33:16,972 INFO L858 garLoopResultBuilder]: For program point L96-1(lines 84 103) no Hoare annotation was computed. [2021-12-07 00:33:16,972 INFO L858 garLoopResultBuilder]: For program point L96-2(lines 96 101) no Hoare annotation was computed. [2021-12-07 00:33:16,972 INFO L858 garLoopResultBuilder]: For program point L86-1(lines 86 90) no Hoare annotation was computed. [2021-12-07 00:33:16,973 INFO L861 garLoopResultBuilder]: At program point L86-2(lines 86 90) the Hoare annotation is: true [2021-12-07 00:33:16,973 INFO L858 garLoopResultBuilder]: For program point L543(lines 543 546) no Hoare annotation was computed. [2021-12-07 00:33:16,973 INFO L858 garLoopResultBuilder]: For program point L543-2(lines 543 546) no Hoare annotation was computed. [2021-12-07 00:33:16,973 INFO L858 garLoopResultBuilder]: For program point L537-1(lines 537 541) no Hoare annotation was computed. [2021-12-07 00:33:16,973 INFO L861 garLoopResultBuilder]: At program point L537-2(lines 537 541) the Hoare annotation is: true [2021-12-07 00:33:16,973 INFO L858 garLoopResultBuilder]: For program point L537-3(lines 537 541) no Hoare annotation was computed. [2021-12-07 00:33:16,973 INFO L858 garLoopResultBuilder]: For program point __kernel_cosFINAL(lines 534 568) no Hoare annotation was computed. [2021-12-07 00:33:16,973 INFO L858 garLoopResultBuilder]: For program point L554(lines 554 563) no Hoare annotation was computed. [2021-12-07 00:33:16,973 INFO L858 garLoopResultBuilder]: For program point __kernel_cosEXIT(lines 534 568) no Hoare annotation was computed. [2021-12-07 00:33:16,974 INFO L861 garLoopResultBuilder]: At program point __kernel_cosENTRY(lines 534 568) the Hoare annotation is: true [2021-12-07 00:33:16,974 INFO L858 garLoopResultBuilder]: For program point L544(lines 544 545) no Hoare annotation was computed. [2021-12-07 00:33:16,974 INFO L858 garLoopResultBuilder]: For program point L557-1(lines 557 562) no Hoare annotation was computed. [2021-12-07 00:33:16,974 INFO L861 garLoopResultBuilder]: At program point L557-2(lines 557 562) the Hoare annotation is: true [2021-12-07 00:33:16,974 INFO L858 garLoopResultBuilder]: For program point L557-3(lines 554 563) no Hoare annotation was computed. [2021-12-07 00:33:16,974 INFO L858 garLoopResultBuilder]: For program point L551(lines 551 567) no Hoare annotation was computed. [2021-12-07 00:33:16,974 INFO L858 garLoopResultBuilder]: For program point L334-1(line 334) no Hoare annotation was computed. [2021-12-07 00:33:16,974 INFO L858 garLoopResultBuilder]: For program point L235(lines 235 236) no Hoare annotation was computed. [2021-12-07 00:33:16,974 INFO L858 garLoopResultBuilder]: For program point L268-1(lines 190 360) no Hoare annotation was computed. [2021-12-07 00:33:16,975 INFO L858 garLoopResultBuilder]: For program point L235-2(lines 190 360) no Hoare annotation was computed. [2021-12-07 00:33:16,975 INFO L854 garLoopResultBuilder]: At program point L600(lines 600 626) the Hoare annotation is: (and (= |ULTIMATE.start_sin_double_#res#1| (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse0 .cse0))) (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) |ULTIMATE.start_sin_double_~x#1|) (= currentRoundingMode roundNearestTiesToEven)) [2021-12-07 00:33:16,975 INFO L858 garLoopResultBuilder]: For program point L468(lines 468 474) no Hoare annotation was computed. [2021-12-07 00:33:16,975 INFO L858 garLoopResultBuilder]: For program point L402-1(lines 402 406) no Hoare annotation was computed. [2021-12-07 00:33:16,975 INFO L854 garLoopResultBuilder]: At program point L402-2(lines 402 406) the Hoare annotation is: false [2021-12-07 00:33:16,975 INFO L858 garLoopResultBuilder]: For program point L336(line 336) no Hoare annotation was computed. [2021-12-07 00:33:16,975 INFO L858 garLoopResultBuilder]: For program point L402-3(lines 402 406) no Hoare annotation was computed. [2021-12-07 00:33:16,975 INFO L858 garLoopResultBuilder]: For program point L270-2(lines 270 271) no Hoare annotation was computed. [2021-12-07 00:33:16,976 INFO L854 garLoopResultBuilder]: At program point L270-3(lines 270 271) the Hoare annotation is: false [2021-12-07 00:33:16,976 INFO L858 garLoopResultBuilder]: For program point L270-4(lines 268 285) no Hoare annotation was computed. [2021-12-07 00:33:16,976 INFO L858 garLoopResultBuilder]: For program point L72(lines 72 77) no Hoare annotation was computed. [2021-12-07 00:33:16,976 INFO L858 garLoopResultBuilder]: For program point L72-1(lines 18 79) no Hoare annotation was computed. [2021-12-07 00:33:16,976 INFO L858 garLoopResultBuilder]: For program point L72-2(lines 72 77) no Hoare annotation was computed. [2021-12-07 00:33:16,976 INFO L858 garLoopResultBuilder]: For program point L337-2(lines 337 341) no Hoare annotation was computed. [2021-12-07 00:33:16,976 INFO L858 garLoopResultBuilder]: For program point L238(lines 190 360) no Hoare annotation was computed. [2021-12-07 00:33:16,976 INFO L854 garLoopResultBuilder]: At program point L337-3(lines 337 341) the Hoare annotation is: false [2021-12-07 00:33:16,976 INFO L858 garLoopResultBuilder]: For program point L337-4(lines 337 341) no Hoare annotation was computed. [2021-12-07 00:33:16,976 INFO L858 garLoopResultBuilder]: For program point L205-2(lines 205 206) no Hoare annotation was computed. [2021-12-07 00:33:16,977 INFO L854 garLoopResultBuilder]: At program point L205-3(lines 205 206) the Hoare annotation is: false [2021-12-07 00:33:16,977 INFO L858 garLoopResultBuilder]: For program point L205-4(lines 205 206) no Hoare annotation was computed. [2021-12-07 00:33:16,977 INFO L858 garLoopResultBuilder]: For program point L40(lines 40 41) no Hoare annotation was computed. [2021-12-07 00:33:16,977 INFO L858 garLoopResultBuilder]: For program point L503-1(lines 503 508) no Hoare annotation was computed. [2021-12-07 00:33:16,977 INFO L854 garLoopResultBuilder]: At program point L503-2(lines 503 508) the Hoare annotation is: false [2021-12-07 00:33:16,977 INFO L858 garLoopResultBuilder]: For program point L503-3(lines 503 508) no Hoare annotation was computed. [2021-12-07 00:33:16,977 INFO L858 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-12-07 00:33:16,977 INFO L854 garLoopResultBuilder]: At program point L173(lines 160 174) the Hoare annotation is: false [2021-12-07 00:33:16,977 INFO L858 garLoopResultBuilder]: For program point L206-2(line 206) no Hoare annotation was computed. [2021-12-07 00:33:16,978 INFO L858 garLoopResultBuilder]: For program point L603-1(lines 603 607) no Hoare annotation was computed. [2021-12-07 00:33:16,978 INFO L854 garLoopResultBuilder]: At program point L603-2(lines 603 607) the Hoare annotation is: (and (= |ULTIMATE.start_sin_double_~#y~0#1.offset| (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) |ULTIMATE.start_sin_double_~x#1|))) [2021-12-07 00:33:16,978 INFO L858 garLoopResultBuilder]: For program point L603-3(lines 603 607) no Hoare annotation was computed. [2021-12-07 00:33:16,978 INFO L858 garLoopResultBuilder]: For program point L438(lines 438 484) no Hoare annotation was computed. [2021-12-07 00:33:16,978 INFO L858 garLoopResultBuilder]: For program point L306(line 306) no Hoare annotation was computed. [2021-12-07 00:33:16,978 INFO L858 garLoopResultBuilder]: For program point L273-1(lines 273 274) no Hoare annotation was computed. [2021-12-07 00:33:16,978 INFO L858 garLoopResultBuilder]: For program point L273-3(lines 273 274) no Hoare annotation was computed. [2021-12-07 00:33:16,978 INFO L854 garLoopResultBuilder]: At program point L273-4(lines 273 274) the Hoare annotation is: false [2021-12-07 00:33:16,978 INFO L858 garLoopResultBuilder]: For program point L273-5(lines 273 274) no Hoare annotation was computed. [2021-12-07 00:33:16,978 INFO L858 garLoopResultBuilder]: For program point L42(lines 42 47) no Hoare annotation was computed. [2021-12-07 00:33:16,979 INFO L858 garLoopResultBuilder]: For program point L307-2(lines 307 310) no Hoare annotation was computed. [2021-12-07 00:33:16,979 INFO L854 garLoopResultBuilder]: At program point L307-3(lines 307 310) the Hoare annotation is: false [2021-12-07 00:33:16,979 INFO L858 garLoopResultBuilder]: For program point L241-2(lines 241 250) no Hoare annotation was computed. [2021-12-07 00:33:16,979 INFO L858 garLoopResultBuilder]: For program point L307-4(lines 307 310) no Hoare annotation was computed. [2021-12-07 00:33:16,979 INFO L858 garLoopResultBuilder]: For program point L208-2(lines 208 212) no Hoare annotation was computed. [2021-12-07 00:33:16,979 INFO L854 garLoopResultBuilder]: At program point L241-3(lines 241 250) the Hoare annotation is: false [2021-12-07 00:33:16,979 INFO L854 garLoopResultBuilder]: At program point L208-3(lines 208 212) the Hoare annotation is: false [2021-12-07 00:33:16,979 INFO L858 garLoopResultBuilder]: For program point L241-4(lines 238 266) no Hoare annotation was computed. [2021-12-07 00:33:16,979 INFO L858 garLoopResultBuilder]: For program point L208-4(lines 208 212) no Hoare annotation was computed. [2021-12-07 00:33:16,979 INFO L858 garLoopResultBuilder]: For program point L43(lines 43 44) no Hoare annotation was computed. [2021-12-07 00:33:16,980 INFO L858 garLoopResultBuilder]: For program point L43-2(lines 43 44) no Hoare annotation was computed. [2021-12-07 00:33:16,980 INFO L858 garLoopResultBuilder]: For program point L638(lines 638 641) no Hoare annotation was computed. [2021-12-07 00:33:16,980 INFO L858 garLoopResultBuilder]: For program point L209-2(lines 209 210) no Hoare annotation was computed. [2021-12-07 00:33:16,980 INFO L854 garLoopResultBuilder]: At program point L209-3(lines 209 210) the Hoare annotation is: false [2021-12-07 00:33:16,980 INFO L858 garLoopResultBuilder]: For program point L209-4(lines 209 210) no Hoare annotation was computed. [2021-12-07 00:33:16,980 INFO L858 garLoopResultBuilder]: For program point L639(line 639) no Hoare annotation was computed. [2021-12-07 00:33:16,980 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 412) no Hoare annotation was computed. [2021-12-07 00:33:16,980 INFO L858 garLoopResultBuilder]: For program point L342-2(lines 342 346) no Hoare annotation was computed. [2021-12-07 00:33:16,980 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 249) no Hoare annotation was computed. [2021-12-07 00:33:16,980 INFO L854 garLoopResultBuilder]: At program point L342-3(lines 342 346) the Hoare annotation is: false [2021-12-07 00:33:16,981 INFO L858 garLoopResultBuilder]: For program point L276-2(lines 276 281) no Hoare annotation was computed. [2021-12-07 00:33:16,981 INFO L858 garLoopResultBuilder]: For program point L342-4(lines 342 346) no Hoare annotation was computed. [2021-12-07 00:33:16,981 INFO L854 garLoopResultBuilder]: At program point L276-3(lines 276 281) the Hoare annotation is: false [2021-12-07 00:33:16,981 INFO L858 garLoopResultBuilder]: For program point L276-4(lines 276 281) no Hoare annotation was computed. [2021-12-07 00:33:16,981 INFO L854 garLoopResultBuilder]: At program point L78(lines 18 79) the Hoare annotation is: false [2021-12-07 00:33:16,981 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 247) no Hoare annotation was computed. [2021-12-07 00:33:16,981 INFO L858 garLoopResultBuilder]: For program point L509-2(lines 509 512) no Hoare annotation was computed. [2021-12-07 00:33:16,981 INFO L854 garLoopResultBuilder]: At program point L509-3(lines 509 512) the Hoare annotation is: false [2021-12-07 00:33:16,981 INFO L858 garLoopResultBuilder]: For program point L509-4(lines 509 512) no Hoare annotation was computed. [2021-12-07 00:33:16,981 INFO L858 garLoopResultBuilder]: For program point L278-2(lines 278 279) no Hoare annotation was computed. [2021-12-07 00:33:16,981 INFO L854 garLoopResultBuilder]: At program point L278-3(lines 278 279) the Hoare annotation is: false [2021-12-07 00:33:16,982 INFO L858 garLoopResultBuilder]: For program point L278-4(lines 278 279) no Hoare annotation was computed. [2021-12-07 00:33:16,982 INFO L858 garLoopResultBuilder]: For program point L609(lines 609 625) no Hoare annotation was computed. [2021-12-07 00:33:16,982 INFO L858 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2021-12-07 00:33:16,982 INFO L858 garLoopResultBuilder]: For program point L444-2(lines 444 476) no Hoare annotation was computed. [2021-12-07 00:33:16,982 INFO L858 garLoopResultBuilder]: For program point L312-2(lines 312 316) no Hoare annotation was computed. [2021-12-07 00:33:16,982 INFO L854 garLoopResultBuilder]: At program point L312-3(lines 312 316) the Hoare annotation is: false [2021-12-07 00:33:16,982 INFO L858 garLoopResultBuilder]: For program point L312-4(lines 312 316) no Hoare annotation was computed. [2021-12-07 00:33:16,982 INFO L861 garLoopResultBuilder]: At program point L643(lines 628 644) the Hoare annotation is: true [2021-12-07 00:33:16,982 INFO L854 garLoopResultBuilder]: At program point L610(line 610) the Hoare annotation is: false [2021-12-07 00:33:16,982 INFO L858 garLoopResultBuilder]: For program point L610-1(line 610) no Hoare annotation was computed. [2021-12-07 00:33:16,982 INFO L858 garLoopResultBuilder]: For program point L478(lines 478 483) no Hoare annotation was computed. [2021-12-07 00:33:16,983 INFO L858 garLoopResultBuilder]: For program point L313-2(lines 313 314) no Hoare annotation was computed. [2021-12-07 00:33:16,983 INFO L854 garLoopResultBuilder]: At program point L313-3(lines 313 314) the Hoare annotation is: false [2021-12-07 00:33:16,983 INFO L858 garLoopResultBuilder]: For program point L313-4(lines 313 314) no Hoare annotation was computed. [2021-12-07 00:33:16,983 INFO L854 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (and (= |ULTIMATE.start_sin_double_#res#1| (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse0 .cse0))) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res#1|) (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) |ULTIMATE.start_sin_double_~x#1|) (= currentRoundingMode roundNearestTiesToEven)) [2021-12-07 00:33:16,983 INFO L858 garLoopResultBuilder]: For program point L49(lines 49 71) no Hoare annotation was computed. [2021-12-07 00:33:16,983 INFO L858 garLoopResultBuilder]: For program point L611(lines 611 625) no Hoare annotation was computed. [2021-12-07 00:33:16,983 INFO L858 garLoopResultBuilder]: For program point L413(lines 413 437) no Hoare annotation was computed. [2021-12-07 00:33:16,983 INFO L858 garLoopResultBuilder]: For program point L347-2(lines 347 348) no Hoare annotation was computed. [2021-12-07 00:33:16,983 INFO L854 garLoopResultBuilder]: At program point L347-3(lines 347 348) the Hoare annotation is: false [2021-12-07 00:33:16,983 INFO L858 garLoopResultBuilder]: For program point L347-4(lines 318 358) no Hoare annotation was computed. [2021-12-07 00:33:16,983 INFO L858 garLoopResultBuilder]: For program point L50(lines 50 53) no Hoare annotation was computed. [2021-12-07 00:33:16,984 INFO L858 garLoopResultBuilder]: For program point L414(lines 414 436) no Hoare annotation was computed. [2021-12-07 00:33:16,984 INFO L854 garLoopResultBuilder]: At program point L283(lines 190 360) the Hoare annotation is: false [2021-12-07 00:33:16,984 INFO L858 garLoopResultBuilder]: For program point L217-2(lines 217 221) no Hoare annotation was computed. [2021-12-07 00:33:16,984 INFO L854 garLoopResultBuilder]: At program point L217-3(lines 217 221) the Hoare annotation is: false [2021-12-07 00:33:16,984 INFO L854 garLoopResultBuilder]: At program point L217-4(lines 217 221) the Hoare annotation is: false [2021-12-07 00:33:16,984 INFO L858 garLoopResultBuilder]: For program point L515-1(lines 515 516) no Hoare annotation was computed. [2021-12-07 00:33:16,984 INFO L858 garLoopResultBuilder]: For program point L416(lines 416 423) no Hoare annotation was computed. [2021-12-07 00:33:16,984 INFO L854 garLoopResultBuilder]: At program point L515-3(lines 515 516) the Hoare annotation is: false [2021-12-07 00:33:16,984 INFO L858 garLoopResultBuilder]: For program point L515-4(lines 515 516) no Hoare annotation was computed. [2021-12-07 00:33:16,984 INFO L858 garLoopResultBuilder]: For program point L416-2(lines 416 423) no Hoare annotation was computed. [2021-12-07 00:33:16,984 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-07 00:33:16,984 INFO L858 garLoopResultBuilder]: For program point L251-1(lines 238 266) no Hoare annotation was computed. [2021-12-07 00:33:16,985 INFO L858 garLoopResultBuilder]: For program point L615(lines 615 624) no Hoare annotation was computed. [2021-12-07 00:33:16,985 INFO L858 garLoopResultBuilder]: For program point L450-1(lines 450 454) no Hoare annotation was computed. [2021-12-07 00:33:16,985 INFO L854 garLoopResultBuilder]: At program point L450-2(lines 450 454) the Hoare annotation is: false [2021-12-07 00:33:16,985 INFO L858 garLoopResultBuilder]: For program point L450-3(lines 450 454) no Hoare annotation was computed. [2021-12-07 00:33:16,985 INFO L854 garLoopResultBuilder]: At program point L318(lines 318 358) the Hoare annotation is: false [2021-12-07 00:33:16,985 INFO L854 garLoopResultBuilder]: At program point L252(lines 252 259) the Hoare annotation is: false [2021-12-07 00:33:16,985 INFO L858 garLoopResultBuilder]: For program point L21-1(lines 21 26) no Hoare annotation was computed. [2021-12-07 00:33:16,985 INFO L854 garLoopResultBuilder]: At program point L21-2(lines 21 26) the Hoare annotation is: false [2021-12-07 00:33:16,985 INFO L858 garLoopResultBuilder]: For program point L21-3(lines 21 26) no Hoare annotation was computed. [2021-12-07 00:33:16,985 INFO L858 garLoopResultBuilder]: For program point L616(line 616) no Hoare annotation was computed. [2021-12-07 00:33:16,985 INFO L858 garLoopResultBuilder]: For program point L319(line 319) no Hoare annotation was computed. [2021-12-07 00:33:16,985 INFO L858 garLoopResultBuilder]: For program point L253(line 253) no Hoare annotation was computed. [2021-12-07 00:33:16,986 INFO L854 garLoopResultBuilder]: At program point L617(line 617) the Hoare annotation is: false [2021-12-07 00:33:16,986 INFO L858 garLoopResultBuilder]: For program point L617-1(line 617) no Hoare annotation was computed. [2021-12-07 00:33:16,986 INFO L858 garLoopResultBuilder]: For program point L518(lines 518 522) no Hoare annotation was computed. [2021-12-07 00:33:16,986 INFO L858 garLoopResultBuilder]: For program point L56(lines 56 57) no Hoare annotation was computed. [2021-12-07 00:33:16,986 INFO L858 garLoopResultBuilder]: For program point L618(line 618) no Hoare annotation was computed. [2021-12-07 00:33:16,986 INFO L858 garLoopResultBuilder]: For program point L486(lines 486 489) no Hoare annotation was computed. [2021-12-07 00:33:16,986 INFO L858 garLoopResultBuilder]: For program point L321-2(lines 321 322) no Hoare annotation was computed. [2021-12-07 00:33:16,986 INFO L854 garLoopResultBuilder]: At program point L321-3(lines 321 322) the Hoare annotation is: false [2021-12-07 00:33:16,986 INFO L858 garLoopResultBuilder]: For program point L321-4(lines 318 358) no Hoare annotation was computed. [2021-12-07 00:33:16,986 INFO L854 garLoopResultBuilder]: At program point L619(line 619) the Hoare annotation is: false [2021-12-07 00:33:16,986 INFO L858 garLoopResultBuilder]: For program point L619-1(line 619) no Hoare annotation was computed. [2021-12-07 00:33:16,986 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-07 00:33:16,986 INFO L858 garLoopResultBuilder]: For program point L256(line 256) no Hoare annotation was computed. [2021-12-07 00:33:16,987 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-12-07 00:33:16,987 INFO L858 garLoopResultBuilder]: For program point L58(lines 58 70) no Hoare annotation was computed. [2021-12-07 00:33:16,987 INFO L858 garLoopResultBuilder]: For program point L620(line 620) no Hoare annotation was computed. [2021-12-07 00:33:16,987 INFO L858 garLoopResultBuilder]: For program point L323-1(line 323) no Hoare annotation was computed. [2021-12-07 00:33:16,987 INFO L858 garLoopResultBuilder]: For program point L290-1(lines 290 293) no Hoare annotation was computed. [2021-12-07 00:33:16,987 INFO L854 garLoopResultBuilder]: At program point L290-3(lines 290 293) the Hoare annotation is: false [2021-12-07 00:33:16,987 INFO L858 garLoopResultBuilder]: For program point L59(lines 59 68) no Hoare annotation was computed. [2021-12-07 00:33:16,987 INFO L858 garLoopResultBuilder]: For program point L59-1(lines 59 68) no Hoare annotation was computed. [2021-12-07 00:33:16,987 INFO L854 garLoopResultBuilder]: At program point L621(line 621) the Hoare annotation is: false [2021-12-07 00:33:16,987 INFO L858 garLoopResultBuilder]: For program point L621-1(line 621) no Hoare annotation was computed. [2021-12-07 00:33:16,987 INFO L858 garLoopResultBuilder]: For program point L456(lines 456 475) no Hoare annotation was computed. [2021-12-07 00:33:16,987 INFO L858 garLoopResultBuilder]: For program point L456-1(lines 444 476) no Hoare annotation was computed. [2021-12-07 00:33:16,988 INFO L858 garLoopResultBuilder]: For program point L60(lines 60 67) no Hoare annotation was computed. [2021-12-07 00:33:16,988 INFO L858 garLoopResultBuilder]: For program point L622(line 622) no Hoare annotation was computed. [2021-12-07 00:33:16,988 INFO L854 garLoopResultBuilder]: At program point L523(lines 395 524) the Hoare annotation is: false [2021-12-07 00:33:16,988 INFO L858 garLoopResultBuilder]: For program point L325(line 325) no Hoare annotation was computed. [2021-12-07 00:33:16,988 INFO L858 garLoopResultBuilder]: For program point L325-2(line 325) no Hoare annotation was computed. [2021-12-07 00:33:16,988 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-07 00:33:16,988 INFO L858 garLoopResultBuilder]: For program point L28(lines 28 71) no Hoare annotation was computed. [2021-12-07 00:33:16,988 INFO L854 garLoopResultBuilder]: At program point L623(line 623) the Hoare annotation is: false [2021-12-07 00:33:16,988 INFO L858 garLoopResultBuilder]: For program point L623-1(line 623) no Hoare annotation was computed. [2021-12-07 00:33:16,988 INFO L858 garLoopResultBuilder]: For program point L491-1(lines 491 495) no Hoare annotation was computed. [2021-12-07 00:33:16,988 INFO L854 garLoopResultBuilder]: At program point L491-2(lines 491 495) the Hoare annotation is: false [2021-12-07 00:33:16,988 INFO L854 garLoopResultBuilder]: At program point L359(lines 189 360) the Hoare annotation is: false [2021-12-07 00:33:16,989 INFO L858 garLoopResultBuilder]: For program point L326(line 326) no Hoare annotation was computed. [2021-12-07 00:33:16,989 INFO L858 garLoopResultBuilder]: For program point L29(lines 29 48) no Hoare annotation was computed. [2021-12-07 00:33:16,989 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 236) no Hoare annotation was computed. [2021-12-07 00:33:16,989 INFO L858 garLoopResultBuilder]: For program point L162-1(lines 162 166) no Hoare annotation was computed. [2021-12-07 00:33:16,989 INFO L854 garLoopResultBuilder]: At program point L162-2(lines 162 166) the Hoare annotation is: false [2021-12-07 00:33:16,989 INFO L858 garLoopResultBuilder]: For program point L30(lines 30 37) no Hoare annotation was computed. [2021-12-07 00:33:16,989 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 434) no Hoare annotation was computed. [2021-12-07 00:33:16,989 INFO L858 garLoopResultBuilder]: For program point L427-2(lines 427 434) no Hoare annotation was computed. [2021-12-07 00:33:16,989 INFO L854 garLoopResultBuilder]: At program point L295(line 295) the Hoare annotation is: false [2021-12-07 00:33:16,989 INFO L858 garLoopResultBuilder]: For program point L295-1(line 295) no Hoare annotation was computed. [2021-12-07 00:33:16,989 INFO L858 garLoopResultBuilder]: For program point L328-2(lines 328 329) no Hoare annotation was computed. [2021-12-07 00:33:16,989 INFO L854 garLoopResultBuilder]: At program point L328-3(lines 328 329) the Hoare annotation is: false [2021-12-07 00:33:16,989 INFO L858 garLoopResultBuilder]: For program point L328-4(lines 318 358) no Hoare annotation was computed. [2021-12-07 00:33:16,989 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 65) no Hoare annotation was computed. [2021-12-07 00:33:16,990 INFO L858 garLoopResultBuilder]: For program point L31(lines 31 36) no Hoare annotation was computed. [2021-12-07 00:33:16,992 INFO L858 garLoopResultBuilder]: For program point L64-2(lines 64 65) no Hoare annotation was computed. [2021-12-07 00:33:16,992 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 303) no Hoare annotation was computed. [2021-12-07 00:33:16,992 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 264) no Hoare annotation was computed. [2021-12-07 00:33:16,993 INFO L854 garLoopResultBuilder]: At program point L296-2(lines 287 304) the Hoare annotation is: false [2021-12-07 00:33:16,993 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-07 00:33:16,993 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 639) no Hoare annotation was computed. [2021-12-07 00:33:16,993 INFO L858 garLoopResultBuilder]: For program point L462-1(lines 462 466) no Hoare annotation was computed. [2021-12-07 00:33:16,993 INFO L854 garLoopResultBuilder]: At program point L462-2(lines 462 466) the Hoare annotation is: false [2021-12-07 00:33:16,993 INFO L858 garLoopResultBuilder]: For program point L462-3(lines 462 466) no Hoare annotation was computed. [2021-12-07 00:33:16,993 INFO L858 garLoopResultBuilder]: For program point L330-1(line 330) no Hoare annotation was computed. [2021-12-07 00:33:16,993 INFO L854 garLoopResultBuilder]: At program point L264(line 264) the Hoare annotation is: false [2021-12-07 00:33:16,993 INFO L858 garLoopResultBuilder]: For program point L264-1(line 264) no Hoare annotation was computed. [2021-12-07 00:33:16,993 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 36) no Hoare annotation was computed. [2021-12-07 00:33:16,993 INFO L858 garLoopResultBuilder]: For program point L496(lines 496 501) no Hoare annotation was computed. [2021-12-07 00:33:16,994 INFO L858 garLoopResultBuilder]: For program point L496-1(lines 395 524) no Hoare annotation was computed. [2021-12-07 00:33:16,994 INFO L858 garLoopResultBuilder]: For program point L496-2(lines 496 501) no Hoare annotation was computed. [2021-12-07 00:33:16,994 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 200) no Hoare annotation was computed. [2021-12-07 00:33:16,994 INFO L858 garLoopResultBuilder]: For program point L199-2(lines 199 200) no Hoare annotation was computed. [2021-12-07 00:33:16,994 INFO L858 garLoopResultBuilder]: For program point L332-2(lines 332 333) no Hoare annotation was computed. [2021-12-07 00:33:16,994 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 236) no Hoare annotation was computed. [2021-12-07 00:33:16,994 INFO L854 garLoopResultBuilder]: At program point L332-3(lines 332 333) the Hoare annotation is: false [2021-12-07 00:33:16,994 INFO L858 garLoopResultBuilder]: For program point L332-4(lines 318 358) no Hoare annotation was computed. [2021-12-07 00:33:16,994 INFO L858 garLoopResultBuilder]: For program point L167(lines 167 172) no Hoare annotation was computed. [2021-12-07 00:33:16,994 INFO L858 garLoopResultBuilder]: For program point L167-1(lines 160 174) no Hoare annotation was computed. [2021-12-07 00:33:16,994 INFO L858 garLoopResultBuilder]: For program point L167-2(lines 167 172) no Hoare annotation was computed. [2021-12-07 00:33:16,994 INFO L861 garLoopResultBuilder]: At program point __kernel_sinENTRY(lines 578 598) the Hoare annotation is: true [2021-12-07 00:33:16,994 INFO L858 garLoopResultBuilder]: For program point __kernel_sinFINAL(lines 578 598) no Hoare annotation was computed. [2021-12-07 00:33:16,994 INFO L858 garLoopResultBuilder]: For program point L587(lines 587 590) no Hoare annotation was computed. [2021-12-07 00:33:16,995 INFO L858 garLoopResultBuilder]: For program point L587-2(lines 587 590) no Hoare annotation was computed. [2021-12-07 00:33:16,995 INFO L858 garLoopResultBuilder]: For program point L581-1(lines 581 585) no Hoare annotation was computed. [2021-12-07 00:33:16,995 INFO L861 garLoopResultBuilder]: At program point L581-2(lines 581 585) the Hoare annotation is: true [2021-12-07 00:33:16,995 INFO L858 garLoopResultBuilder]: For program point L581-3(lines 581 585) no Hoare annotation was computed. [2021-12-07 00:33:16,995 INFO L858 garLoopResultBuilder]: For program point __kernel_sinEXIT(lines 578 598) no Hoare annotation was computed. [2021-12-07 00:33:16,995 INFO L858 garLoopResultBuilder]: For program point L594(lines 594 597) no Hoare annotation was computed. [2021-12-07 00:33:16,995 INFO L858 garLoopResultBuilder]: For program point L588(lines 588 589) no Hoare annotation was computed. [2021-12-07 00:33:16,998 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:33:16,999 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-07 00:33:17,009 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:33:17,010 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:33:17,013 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:33:17,013 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:33:17,014 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:33:17,015 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:33:17,015 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:33:17,015 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:33:17,016 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:33:17,016 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:33:17,016 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:33:17,016 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:33:17,018 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:33:17,018 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:33:17,019 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:33:17,019 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:33:17,019 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:33:17,019 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:33:17,020 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:33:17,020 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:33:17,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:33:17 BoogieIcfgContainer [2021-12-07 00:33:17,021 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-07 00:33:17,022 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 00:33:17,022 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 00:33:17,022 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 00:33:17,022 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:29:41" (3/4) ... [2021-12-07 00:33:17,025 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-07 00:33:17,032 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_double [2021-12-07 00:33:17,033 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_double [2021-12-07 00:33:17,033 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_cos [2021-12-07 00:33:17,033 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_sin [2021-12-07 00:33:17,047 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2021-12-07 00:33:17,048 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2021-12-07 00:33:17,049 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-12-07 00:33:17,049 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-07 00:33:17,067 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (y == 0bv32 && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) [2021-12-07 00:33:17,068 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-12-07 00:33:17,068 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && 1bv32 == \result) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-12-07 00:33:17,140 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-07 00:33:17,140 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 00:33:17,140 INFO L158 Benchmark]: Toolchain (without parser) took 268929.52ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 39.4MB in the beginning and 46.8MB in the end (delta: -7.3MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2021-12-07 00:33:17,141 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 60.8MB. Free memory was 42.1MB in the beginning and 42.1MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:33:17,141 INFO L158 Benchmark]: CACSL2BoogieTranslator took 430.69ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 39.2MB in the beginning and 54.4MB in the end (delta: -15.1MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2021-12-07 00:33:17,141 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.23ms. Allocated memory is still 75.5MB. Free memory was 54.4MB in the beginning and 48.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-07 00:33:17,141 INFO L158 Benchmark]: Boogie Preprocessor took 82.03ms. Allocated memory is still 75.5MB. Free memory was 48.1MB in the beginning and 41.4MB in the end (delta: 6.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-07 00:33:17,141 INFO L158 Benchmark]: RCFGBuilder took 52495.05ms. Allocated memory is still 75.5MB. Free memory was 41.4MB in the beginning and 33.1MB in the end (delta: 8.4MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2021-12-07 00:33:17,142 INFO L158 Benchmark]: TraceAbstraction took 215717.62ms. Allocated memory is still 75.5MB. Free memory was 32.7MB in the beginning and 45.2MB in the end (delta: -12.5MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2021-12-07 00:33:17,142 INFO L158 Benchmark]: Witness Printer took 118.11ms. Allocated memory is still 75.5MB. Free memory was 45.2MB in the beginning and 46.8MB in the end (delta: -1.6MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2021-12-07 00:33:17,143 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 60.8MB. Free memory was 42.1MB in the beginning and 42.1MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 430.69ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 39.2MB in the beginning and 54.4MB in the end (delta: -15.1MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.23ms. Allocated memory is still 75.5MB. Free memory was 54.4MB in the beginning and 48.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.03ms. Allocated memory is still 75.5MB. Free memory was 48.1MB in the beginning and 41.4MB in the end (delta: 6.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 52495.05ms. Allocated memory is still 75.5MB. Free memory was 41.4MB in the beginning and 33.1MB in the end (delta: 8.4MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * TraceAbstraction took 215717.62ms. Allocated memory is still 75.5MB. Free memory was 32.7MB in the beginning and 45.2MB in the end (delta: -12.5MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * Witness Printer took 118.11ms. Allocated memory is still 75.5MB. Free memory was 45.2MB in the beginning and 46.8MB in the end (delta: -1.6MB). Peak memory consumption was 26.2MB. 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - 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: 639]: 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, 257 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 215.6s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 189.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 70 mSolverCounterUnknown, 608 SdHoareTripleChecker+Valid, 187.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 591 mSDsluCounter, 11384 SdHoareTripleChecker+Invalid, 181.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 331 IncrementalHoareTripleChecker+Unchecked, 8672 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 336 IncrementalHoareTripleChecker+Invalid, 775 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 2712 mSDtfsCounter, 336 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 207 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 10.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=312occurred in iteration=6, InterpolantAutomatonStates: 52, 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, 9 MinimizatonAttempts, 163 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 192 PreInvPairs, 196 NumberOfFragments, 121 HoareAnnotationTreeSize, 192 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 63 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 6.5s SatisfiabilityAnalysisTime, 15.6s InterpolantComputationTime, 209 NumberOfCodeBlocks, 209 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 200 ConstructedInterpolants, 37 QuantifiedInterpolants, 999 SizeOfPredicates, 60 NumberOfNonLiveVariables, 2529 ConjunctsInSsa, 89 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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: 628]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 603]: Loop Invariant [2021-12-07 00:33:17,149 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:33:17,149 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:33:17,150 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:33:17,150 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (y == 0bv32 && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) - InvariantResult [Line: 600]: Loop Invariant [2021-12-07 00:33:17,150 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:33:17,150 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:33:17,150 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:33:17,150 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:33:17,150 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:33:17,150 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:33:17,150 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:33:17,151 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\result == ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 581]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 337]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 82]: Loop Invariant [2021-12-07 00:33:17,152 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:33:17,152 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:33:17,153 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:33:17,153 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:33:17,153 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:33:17,153 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:33:17,153 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:33:17,153 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((\result == ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && 1bv32 == \result) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 162]: 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: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-12-07 00:33:17,356 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-12-07 00:33:17,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1da0c75b-ae21-45f4-a30d-8a867c548fed/bin/uautomizer-DrprNOufMa/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