./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1271b.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_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/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_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1271b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/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_6e9de6db-a904-44c0-85ec-77a9134ce878/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 54beaedde19fb88c3dc27e1161ae96882063bbaad8d02ac66ce4442258b91813 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 00:35:08,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 00:35:08,376 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 00:35:08,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 00:35:08,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 00:35:08,399 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 00:35:08,400 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 00:35:08,402 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 00:35:08,404 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 00:35:08,405 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 00:35:08,406 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 00:35:08,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 00:35:08,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 00:35:08,408 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 00:35:08,409 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 00:35:08,410 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 00:35:08,411 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 00:35:08,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 00:35:08,413 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 00:35:08,415 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 00:35:08,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 00:35:08,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 00:35:08,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 00:35:08,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 00:35:08,423 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 00:35:08,423 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 00:35:08,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 00:35:08,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 00:35:08,425 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 00:35:08,426 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 00:35:08,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 00:35:08,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 00:35:08,427 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 00:35:08,428 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 00:35:08,429 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 00:35:08,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 00:35:08,430 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 00:35:08,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 00:35:08,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 00:35:08,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 00:35:08,431 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 00:35:08,432 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-07 00:35:08,450 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 00:35:08,450 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 00:35:08,450 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 00:35:08,451 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 00:35:08,451 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 00:35:08,451 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 00:35:08,452 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 00:35:08,452 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 00:35:08,452 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 00:35:08,452 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 00:35:08,452 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 00:35:08,452 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 00:35:08,453 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 00:35:08,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 00:35:08,453 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 00:35:08,453 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 00:35:08,453 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 00:35:08,453 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 00:35:08,453 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 00:35:08,454 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 00:35:08,454 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 00:35:08,454 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 00:35:08,454 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 00:35:08,454 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 00:35:08,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:35:08,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 00:35:08,455 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 00:35:08,455 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 00:35:08,455 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 00:35:08,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 00:35:08,455 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 00:35:08,455 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 00:35:08,455 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 00:35:08,456 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 00:35:08,456 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_6e9de6db-a904-44c0-85ec-77a9134ce878/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54beaedde19fb88c3dc27e1161ae96882063bbaad8d02ac66ce4442258b91813 [2021-12-07 00:35:08,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 00:35:08,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 00:35:08,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 00:35:08,654 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 00:35:08,655 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 00:35:08,656 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/float-newlib/float_req_bl_1271b.c [2021-12-07 00:35:08,697 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/data/1162ee12c/279f198161314ee0bffe7c9a422d1ae7/FLAG265b02c57 [2021-12-07 00:35:09,072 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 00:35:09,073 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/sv-benchmarks/c/float-newlib/float_req_bl_1271b.c [2021-12-07 00:35:09,078 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/data/1162ee12c/279f198161314ee0bffe7c9a422d1ae7/FLAG265b02c57 [2021-12-07 00:35:09,088 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/data/1162ee12c/279f198161314ee0bffe7c9a422d1ae7 [2021-12-07 00:35:09,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 00:35:09,090 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 00:35:09,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 00:35:09,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 00:35:09,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 00:35:09,094 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:35:09" (1/1) ... [2021-12-07 00:35:09,095 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@300507b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:35:09, skipping insertion in model container [2021-12-07 00:35:09,095 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:35:09" (1/1) ... [2021-12-07 00:35:09,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 00:35:09,120 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 00:35:09,279 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_6e9de6db-a904-44c0-85ec-77a9134ce878/sv-benchmarks/c/float-newlib/float_req_bl_1271b.c[4883,4896] [2021-12-07 00:35:09,281 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:35:09,287 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 00:35:09,322 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_6e9de6db-a904-44c0-85ec-77a9134ce878/sv-benchmarks/c/float-newlib/float_req_bl_1271b.c[4883,4896] [2021-12-07 00:35:09,323 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:35:09,334 INFO L208 MainTranslator]: Completed translation [2021-12-07 00:35:09,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:35:09 WrapperNode [2021-12-07 00:35:09,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 00:35:09,335 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 00:35:09,335 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 00:35:09,335 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 00:35:09,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:35:09" (1/1) ... [2021-12-07 00:35:09,349 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:35:09" (1/1) ... [2021-12-07 00:35:09,371 INFO L137 Inliner]: procedures = 19, calls = 76, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 262 [2021-12-07 00:35:09,371 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 00:35:09,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 00:35:09,372 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 00:35:09,372 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 00:35:09,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:35:09" (1/1) ... [2021-12-07 00:35:09,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:35:09" (1/1) ... [2021-12-07 00:35:09,382 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:35:09" (1/1) ... [2021-12-07 00:35:09,382 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:35:09" (1/1) ... [2021-12-07 00:35:09,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:35:09" (1/1) ... [2021-12-07 00:35:09,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:35:09" (1/1) ... [2021-12-07 00:35:09,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:35:09" (1/1) ... [2021-12-07 00:35:09,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 00:35:09,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 00:35:09,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 00:35:09,404 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 00:35:09,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:35:09" (1/1) ... [2021-12-07 00:35:09,410 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:35:09,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:35:09,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 00:35:09,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 00:35:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 00:35:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 00:35:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 00:35:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-07 00:35:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 00:35:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-12-07 00:35:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 00:35:09,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 00:35:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 00:35:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 00:35:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2021-12-07 00:35:09,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2021-12-07 00:35:09,528 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 00:35:09,529 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 00:35:09,796 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 00:35:09,802 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 00:35:09,802 INFO L301 CfgBuilder]: Removed 34 assume(true) statements. [2021-12-07 00:35:09,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:35:09 BoogieIcfgContainer [2021-12-07 00:35:09,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 00:35:09,805 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 00:35:09,806 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 00:35:09,808 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 00:35:09,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:35:09" (1/3) ... [2021-12-07 00:35:09,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a7167db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:35:09, skipping insertion in model container [2021-12-07 00:35:09,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:35:09" (2/3) ... [2021-12-07 00:35:09,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a7167db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:35:09, skipping insertion in model container [2021-12-07 00:35:09,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:35:09" (3/3) ... [2021-12-07 00:35:09,810 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1271b.c [2021-12-07 00:35:09,814 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 00:35:09,814 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 00:35:09,850 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 00:35:09,855 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 00:35:09,855 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-07 00:35:09,870 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 87 states have (on average 1.6781609195402298) internal successors, (146), 88 states have internal predecessors, (146), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-07 00:35:09,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-12-07 00:35:09,873 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:35:09,874 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:35:09,874 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:35:09,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:35:09,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1119796192, now seen corresponding path program 1 times [2021-12-07 00:35:09,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:35:09,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385185201] [2021-12-07 00:35:09,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:35:09,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:35:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:35:09,996 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 00:35:09,997 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:35:09,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385185201] [2021-12-07 00:35:09,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385185201] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:35:09,998 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:35:09,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 00:35:09,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25671146] [2021-12-07 00:35:10,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:35:10,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-07 00:35:10,003 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:35:10,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-07 00:35:10,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 00:35:10,026 INFO L87 Difference]: Start difference. First operand has 92 states, 87 states have (on average 1.6781609195402298) internal successors, (146), 88 states have internal predecessors, (146), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 00:35:10,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:35:10,051 INFO L93 Difference]: Finished difference Result 182 states and 300 transitions. [2021-12-07 00:35:10,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 00:35:10,052 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 18 [2021-12-07 00:35:10,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:35:10,059 INFO L225 Difference]: With dead ends: 182 [2021-12-07 00:35:10,059 INFO L226 Difference]: Without dead ends: 88 [2021-12-07 00:35:10,062 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 00:35:10,065 INFO L933 BasicCegarLoop]: 115 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, 115 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 00:35:10,065 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:35:10,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-12-07 00:35:10,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2021-12-07 00:35:10,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 84 states have (on average 1.2619047619047619) internal successors, (106), 84 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-07 00:35:10,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 110 transitions. [2021-12-07 00:35:10,098 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 110 transitions. Word has length 18 [2021-12-07 00:35:10,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:35:10,099 INFO L470 AbstractCegarLoop]: Abstraction has 88 states and 110 transitions. [2021-12-07 00:35:10,099 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 00:35:10,099 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 110 transitions. [2021-12-07 00:35:10,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-07 00:35:10,100 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:35:10,100 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] [2021-12-07 00:35:10,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 00:35:10,100 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:35:10,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:35:10,101 INFO L85 PathProgramCache]: Analyzing trace with hash 46998031, now seen corresponding path program 1 times [2021-12-07 00:35:10,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:35:10,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613857448] [2021-12-07 00:35:10,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:35:10,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:35:10,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:35:10,177 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:35:10,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:35:10,240 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:35:10,240 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-07 00:35:10,241 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-07 00:35:10,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 00:35:10,246 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-07 00:35:10,248 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-07 00:35:10,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:35:10 BoogieIcfgContainer [2021-12-07 00:35:10,273 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-07 00:35:10,273 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 00:35:10,273 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 00:35:10,274 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 00:35:10,274 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:35:09" (3/4) ... [2021-12-07 00:35:10,277 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-07 00:35:10,277 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 00:35:10,278 INFO L158 Benchmark]: Toolchain (without parser) took 1186.91ms. Allocated memory was 79.7MB in the beginning and 151.0MB in the end (delta: 71.3MB). Free memory was 43.1MB in the beginning and 63.7MB in the end (delta: -20.5MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2021-12-07 00:35:10,278 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 79.7MB. Free memory was 59.6MB in the beginning and 59.5MB in the end (delta: 71.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:35:10,278 INFO L158 Benchmark]: CACSL2BoogieTranslator took 243.10ms. Allocated memory was 79.7MB in the beginning and 151.0MB in the end (delta: 71.3MB). Free memory was 43.0MB in the beginning and 123.1MB in the end (delta: -80.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-07 00:35:10,279 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.97ms. Allocated memory is still 151.0MB. Free memory was 123.1MB in the beginning and 121.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 00:35:10,279 INFO L158 Benchmark]: Boogie Preprocessor took 31.48ms. Allocated memory is still 151.0MB. Free memory was 121.0MB in the beginning and 118.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 00:35:10,280 INFO L158 Benchmark]: RCFGBuilder took 400.58ms. Allocated memory is still 151.0MB. Free memory was 118.2MB in the beginning and 97.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-07 00:35:10,280 INFO L158 Benchmark]: TraceAbstraction took 467.37ms. Allocated memory is still 151.0MB. Free memory was 96.5MB in the beginning and 64.3MB in the end (delta: 32.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-12-07 00:35:10,281 INFO L158 Benchmark]: Witness Printer took 3.51ms. Allocated memory is still 151.0MB. Free memory was 64.3MB in the beginning and 63.7MB in the end (delta: 686.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:35:10,283 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 79.7MB. Free memory was 59.6MB in the beginning and 59.5MB in the end (delta: 71.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 243.10ms. Allocated memory was 79.7MB in the beginning and 151.0MB in the end (delta: 71.3MB). Free memory was 43.0MB in the beginning and 123.1MB in the end (delta: -80.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.97ms. Allocated memory is still 151.0MB. Free memory was 123.1MB in the beginning and 121.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.48ms. Allocated memory is still 151.0MB. Free memory was 121.0MB in the beginning and 118.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 400.58ms. Allocated memory is still 151.0MB. Free memory was 118.2MB in the beginning and 97.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 467.37ms. Allocated memory is still 151.0MB. Free memory was 96.5MB in the beginning and 64.3MB in the end (delta: 32.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 3.51ms. Allocated memory is still 151.0MB. Free memory was 64.3MB in the beginning and 63.7MB in the end (delta: 686.6kB). 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: 241]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 213, overapproximation of someBinaryArithmeticFLOAToperation at line 120, overapproximation of bitwiseAnd at line 98. Possible FailurePath: [L14] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L234] float x = __VERIFIER_nondet_float(); [L235] float y = 0.0f / 0.0f; [L237] CALL isfinite_float(x) [L217] __int32_t ix; VAL [\old(x)=8589934595, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=8589934595] [L219] ieee_float_shape_type gf_u; [L220] gf_u.value = (x) [L221] EXPR gf_u.word [L221] (ix) = gf_u.word [L223] ix &= 0x7fffffff [L224] return (((ix) < 0x7f800000L)); VAL [\old(x)=8589934595, \result=1, ix=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=8589934595] [L237] RET isfinite_float(x) [L237] COND TRUE isfinite_float(x) [L238] CALL, EXPR __ieee754_hypotf(x, y) [L84] float a = x, b = y, t1, t2, y1, y2, w; [L85] __int32_t j, k, ha, hb; VAL [\old(x)=8589934595, \old(y)=8589934592, a=8589934595, b=8589934592, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=8589934595, y=8589934592] [L88] ieee_float_shape_type gf_u; [L89] gf_u.value = (x) [L90] EXPR gf_u.word [L90] (ha) = gf_u.word [L92] ha &= 0x7fffffffL VAL [\old(x)=8589934595, \old(y)=8589934592, a=8589934595, b=8589934592, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=8589934595, y=8589934592] [L94] ieee_float_shape_type gf_u; [L95] gf_u.value = (y) [L96] EXPR gf_u.word [L96] (hb) = gf_u.word [L98] hb &= 0x7fffffffL VAL [\old(x)=8589934595, \old(y)=8589934592, a=8589934595, b=8589934592, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=8589934595, y=8589934592] [L99] COND TRUE hb > ha [L100] a = y [L101] b = x [L102] j = ha [L103] ha = hb [L104] hb = j VAL [\old(x)=8589934595, \old(y)=8589934592, a=8589934592, b=8589934595, ha=251658241, hb=0, j=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=8589934595, y=8589934592] [L110] ieee_float_shape_type sf_u; [L111] sf_u.word = (ha) [L112] EXPR sf_u.value [L112] (a) = sf_u.value [L115] ieee_float_shape_type sf_u; [L116] sf_u.word = (hb) [L117] EXPR sf_u.value [L117] (b) = sf_u.value [L119] COND TRUE (ha - hb) > 0xf000000L [L120] return a + b; VAL [\old(x)=8589934595, \old(y)=8589934592, a=8589934594, b=8589934593, ha=251658241, hb=0, j=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=8589934595, y=8589934592] [L238] RET, EXPR __ieee754_hypotf(x, y) [L238] float res = __ieee754_hypotf(x, y); [L240] CALL, EXPR isnan_float(res) [L213] return x != x; VAL [\old(x)=8589934591, \result=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=8589934591] [L240] RET, EXPR isnan_float(res) [L240] COND TRUE !isnan_float(res) [L241] reach_error() VAL [one_sqrt=1, res=8589934591, tiny_sqrt=1/1000000000000000000000000000000, x=8589934595, y=8589934592] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 115 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, 115 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=92occurred 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, 0.0s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 17 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 00:35:10,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/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_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/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_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1271b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/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_6e9de6db-a904-44c0-85ec-77a9134ce878/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 54beaedde19fb88c3dc27e1161ae96882063bbaad8d02ac66ce4442258b91813 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 00:35:11,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 00:35:11,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 00:35:11,954 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 00:35:11,955 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 00:35:11,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 00:35:11,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 00:35:11,960 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 00:35:11,962 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 00:35:11,963 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 00:35:11,964 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 00:35:11,965 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 00:35:11,966 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 00:35:11,967 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 00:35:11,969 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 00:35:11,970 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 00:35:11,971 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 00:35:11,972 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 00:35:11,981 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 00:35:11,984 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 00:35:11,986 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 00:35:11,987 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 00:35:11,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 00:35:11,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 00:35:11,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 00:35:11,994 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 00:35:11,994 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 00:35:11,995 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 00:35:11,996 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 00:35:11,997 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 00:35:11,997 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 00:35:11,998 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 00:35:11,999 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 00:35:12,000 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 00:35:12,001 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 00:35:12,001 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 00:35:12,002 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 00:35:12,002 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 00:35:12,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 00:35:12,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 00:35:12,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 00:35:12,004 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-07 00:35:12,025 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 00:35:12,025 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 00:35:12,025 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 00:35:12,026 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 00:35:12,026 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 00:35:12,026 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 00:35:12,027 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 00:35:12,027 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 00:35:12,027 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 00:35:12,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 00:35:12,027 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 00:35:12,027 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 00:35:12,028 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 00:35:12,028 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 00:35:12,028 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 00:35:12,028 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 00:35:12,028 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-07 00:35:12,028 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-07 00:35:12,028 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-07 00:35:12,028 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 00:35:12,028 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 00:35:12,029 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 00:35:12,029 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 00:35:12,029 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 00:35:12,029 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 00:35:12,029 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 00:35:12,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:35:12,030 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 00:35:12,030 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 00:35:12,030 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 00:35:12,030 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-07 00:35:12,030 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-07 00:35:12,030 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 00:35:12,030 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 00:35:12,030 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 00:35:12,031 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 00:35:12,031 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-07 00:35:12,031 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_6e9de6db-a904-44c0-85ec-77a9134ce878/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54beaedde19fb88c3dc27e1161ae96882063bbaad8d02ac66ce4442258b91813 [2021-12-07 00:35:12,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 00:35:12,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 00:35:12,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 00:35:12,284 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 00:35:12,284 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 00:35:12,286 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/float-newlib/float_req_bl_1271b.c [2021-12-07 00:35:12,329 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/data/a5a3e5d06/6aff4adc53d64484aacf9c9b088233a7/FLAGa4ba13abe [2021-12-07 00:35:12,646 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 00:35:12,647 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/sv-benchmarks/c/float-newlib/float_req_bl_1271b.c [2021-12-07 00:35:12,653 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/data/a5a3e5d06/6aff4adc53d64484aacf9c9b088233a7/FLAGa4ba13abe [2021-12-07 00:35:13,057 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/data/a5a3e5d06/6aff4adc53d64484aacf9c9b088233a7 [2021-12-07 00:35:13,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 00:35:13,060 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 00:35:13,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 00:35:13,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 00:35:13,065 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 00:35:13,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:35:13" (1/1) ... [2021-12-07 00:35:13,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65e6f9ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:35:13, skipping insertion in model container [2021-12-07 00:35:13,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:35:13" (1/1) ... [2021-12-07 00:35:13,071 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 00:35:13,086 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 00:35:13,234 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_6e9de6db-a904-44c0-85ec-77a9134ce878/sv-benchmarks/c/float-newlib/float_req_bl_1271b.c[4883,4896] [2021-12-07 00:35:13,237 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:35:13,247 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 00:35:13,280 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_6e9de6db-a904-44c0-85ec-77a9134ce878/sv-benchmarks/c/float-newlib/float_req_bl_1271b.c[4883,4896] [2021-12-07 00:35:13,281 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:35:13,292 INFO L208 MainTranslator]: Completed translation [2021-12-07 00:35:13,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:35:13 WrapperNode [2021-12-07 00:35:13,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 00:35:13,293 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 00:35:13,293 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 00:35:13,293 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 00:35:13,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:35:13" (1/1) ... [2021-12-07 00:35:13,308 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:35:13" (1/1) ... [2021-12-07 00:35:13,327 INFO L137 Inliner]: procedures = 22, calls = 76, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 261 [2021-12-07 00:35:13,327 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 00:35:13,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 00:35:13,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 00:35:13,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 00:35:13,334 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:35:13" (1/1) ... [2021-12-07 00:35:13,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:35:13" (1/1) ... [2021-12-07 00:35:13,339 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:35:13" (1/1) ... [2021-12-07 00:35:13,339 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:35:13" (1/1) ... [2021-12-07 00:35:13,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:35:13" (1/1) ... [2021-12-07 00:35:13,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:35:13" (1/1) ... [2021-12-07 00:35:13,359 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:35:13" (1/1) ... [2021-12-07 00:35:13,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 00:35:13,363 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 00:35:13,363 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 00:35:13,363 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 00:35:13,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:35:13" (1/1) ... [2021-12-07 00:35:13,369 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:35:13,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:35:13,386 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 00:35:13,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 00:35:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 00:35:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-07 00:35:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 00:35:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-12-07 00:35:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-07 00:35:13,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 00:35:13,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 00:35:13,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-12-07 00:35:13,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-07 00:35:13,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 00:35:13,425 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2021-12-07 00:35:13,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2021-12-07 00:35:13,502 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 00:35:13,504 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 00:35:14,431 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 00:35:14,437 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 00:35:14,437 INFO L301 CfgBuilder]: Removed 34 assume(true) statements. [2021-12-07 00:35:14,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:35:14 BoogieIcfgContainer [2021-12-07 00:35:14,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 00:35:14,440 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 00:35:14,440 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 00:35:14,442 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 00:35:14,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:35:13" (1/3) ... [2021-12-07 00:35:14,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@768ad096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:35:14, skipping insertion in model container [2021-12-07 00:35:14,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:35:13" (2/3) ... [2021-12-07 00:35:14,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@768ad096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:35:14, skipping insertion in model container [2021-12-07 00:35:14,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:35:14" (3/3) ... [2021-12-07 00:35:14,445 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1271b.c [2021-12-07 00:35:14,448 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 00:35:14,449 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 00:35:14,482 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 00:35:14,487 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 00:35:14,487 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-07 00:35:14,501 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 87 states have (on average 1.6781609195402298) internal successors, (146), 88 states have internal predecessors, (146), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-07 00:35:14,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-12-07 00:35:14,503 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:35:14,504 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:35:14,504 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:35:14,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:35:14,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1119796192, now seen corresponding path program 1 times [2021-12-07 00:35:14,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:35:14,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [354494341] [2021-12-07 00:35:14,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:35:14,518 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:35:14,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:35:14,519 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:35:14,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-07 00:35:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:35:14,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-07 00:35:14,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:35:14,685 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 00:35:14,685 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:35:14,686 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:35:14,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [354494341] [2021-12-07 00:35:14,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [354494341] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:35:14,687 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:35:14,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 00:35:14,688 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370348507] [2021-12-07 00:35:14,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:35:14,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-07 00:35:14,692 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:35:14,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-07 00:35:14,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 00:35:14,714 INFO L87 Difference]: Start difference. First operand has 92 states, 87 states have (on average 1.6781609195402298) internal successors, (146), 88 states have internal predecessors, (146), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 00:35:14,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:35:14,740 INFO L93 Difference]: Finished difference Result 182 states and 300 transitions. [2021-12-07 00:35:14,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 00:35:14,741 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 18 [2021-12-07 00:35:14,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:35:14,747 INFO L225 Difference]: With dead ends: 182 [2021-12-07 00:35:14,747 INFO L226 Difference]: Without dead ends: 88 [2021-12-07 00:35:14,750 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 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 00:35:14,753 INFO L933 BasicCegarLoop]: 115 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, 115 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 00:35:14,754 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:35:14,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-12-07 00:35:14,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2021-12-07 00:35:14,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 84 states have (on average 1.2619047619047619) internal successors, (106), 84 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-07 00:35:14,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 110 transitions. [2021-12-07 00:35:14,784 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 110 transitions. Word has length 18 [2021-12-07 00:35:14,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:35:14,784 INFO L470 AbstractCegarLoop]: Abstraction has 88 states and 110 transitions. [2021-12-07 00:35:14,785 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 00:35:14,785 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 110 transitions. [2021-12-07 00:35:14,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-07 00:35:14,785 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:35:14,785 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] [2021-12-07 00:35:14,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-07 00:35:14,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:35:14,988 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:35:14,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:35:14,991 INFO L85 PathProgramCache]: Analyzing trace with hash 46998031, now seen corresponding path program 1 times [2021-12-07 00:35:14,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:35:14,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [678662167] [2021-12-07 00:35:14,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:35:14,995 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:35:14,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:35:14,998 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:35:15,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-07 00:35:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:35:15,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 22 conjunts are in the unsatisfiable core [2021-12-07 00:35:15,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:35:15,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-07 00:35:15,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-12-07 00:35:16,263 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 00:35:16,264 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:35:16,264 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:35:16,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [678662167] [2021-12-07 00:35:16,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [678662167] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:35:16,264 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:35:16,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-07 00:35:16,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20431325] [2021-12-07 00:35:16,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:35:16,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-07 00:35:16,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:35:16,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-07 00:35:16,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-12-07 00:35:16,266 INFO L87 Difference]: Start difference. First operand 88 states and 110 transitions. Second operand has 12 states, 12 states have (on average 1.9166666666666667) internal successors, (23), 11 states have internal predecessors, (23), 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 00:35:17,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:35:17,676 INFO L93 Difference]: Finished difference Result 123 states and 153 transitions. [2021-12-07 00:35:17,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-07 00:35:17,680 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.9166666666666667) internal successors, (23), 11 states have internal predecessors, (23), 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 23 [2021-12-07 00:35:17,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:35:17,681 INFO L225 Difference]: With dead ends: 123 [2021-12-07 00:35:17,681 INFO L226 Difference]: Without dead ends: 118 [2021-12-07 00:35:17,682 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2021-12-07 00:35:17,683 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 61 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 78 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-07 00:35:17,683 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 572 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 78 Unchecked, 1.3s Time] [2021-12-07 00:35:17,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-12-07 00:35:17,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 93. [2021-12-07 00:35:17,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 89 states have (on average 1.247191011235955) internal successors, (111), 89 states have internal predecessors, (111), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-07 00:35:17,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 115 transitions. [2021-12-07 00:35:17,692 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 115 transitions. Word has length 23 [2021-12-07 00:35:17,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:35:17,692 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 115 transitions. [2021-12-07 00:35:17,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.9166666666666667) internal successors, (23), 11 states have internal predecessors, (23), 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 00:35:17,692 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 115 transitions. [2021-12-07 00:35:17,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-07 00:35:17,693 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:35:17,693 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] [2021-12-07 00:35:17,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-12-07 00:35:17,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:35:17,895 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:35:17,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:35:17,896 INFO L85 PathProgramCache]: Analyzing trace with hash -346028979, now seen corresponding path program 1 times [2021-12-07 00:35:17,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:35:17,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1948522221] [2021-12-07 00:35:17,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:35:17,900 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:35:17,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:35:17,902 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:35:17,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-07 00:35:18,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:35:18,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-07 00:35:18,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:35:18,482 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 00:35:18,482 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:35:18,482 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:35:18,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1948522221] [2021-12-07 00:35:18,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1948522221] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:35:18,482 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:35:18,483 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 00:35:18,483 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498130623] [2021-12-07 00:35:18,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:35:18,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 00:35:18,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:35:18,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 00:35:18,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-07 00:35:18,484 INFO L87 Difference]: Start difference. First operand 93 states and 115 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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 00:35:18,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:35:18,490 INFO L93 Difference]: Finished difference Result 98 states and 119 transitions. [2021-12-07 00:35:18,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:35:18,490 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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 23 [2021-12-07 00:35:18,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:35:18,491 INFO L225 Difference]: With dead ends: 98 [2021-12-07 00:35:18,491 INFO L226 Difference]: Without dead ends: 93 [2021-12-07 00:35:18,492 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-07 00:35:18,493 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 3 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 35 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:35:18,493 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 389 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 35 Unchecked, 0.0s Time] [2021-12-07 00:35:18,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-12-07 00:35:18,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 88. [2021-12-07 00:35:18,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 84 states have (on average 1.25) internal successors, (105), 84 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-07 00:35:18,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 109 transitions. [2021-12-07 00:35:18,500 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 109 transitions. Word has length 23 [2021-12-07 00:35:18,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:35:18,500 INFO L470 AbstractCegarLoop]: Abstraction has 88 states and 109 transitions. [2021-12-07 00:35:18,500 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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 00:35:18,500 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 109 transitions. [2021-12-07 00:35:18,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-07 00:35:18,501 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:35:18,501 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] [2021-12-07 00:35:18,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-12-07 00:35:18,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:35:18,702 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:35:18,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:35:18,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1919950379, now seen corresponding path program 1 times [2021-12-07 00:35:18,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:35:18,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1175842492] [2021-12-07 00:35:18,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:35:18,704 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:35:18,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:35:18,706 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:35:18,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-07 00:35:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:35:18,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-07 00:35:18,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:35:19,131 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 00:35:19,131 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:35:19,131 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:35:19,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1175842492] [2021-12-07 00:35:19,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1175842492] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:35:19,131 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:35:19,132 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 00:35:19,132 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893908199] [2021-12-07 00:35:19,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:35:19,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 00:35:19,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:35:19,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 00:35:19,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-07 00:35:19,133 INFO L87 Difference]: Start difference. First operand 88 states and 109 transitions. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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 00:35:19,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:35:19,139 INFO L93 Difference]: Finished difference Result 154 states and 192 transitions. [2021-12-07 00:35:19,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:35:19,140 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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 26 [2021-12-07 00:35:19,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:35:19,141 INFO L225 Difference]: With dead ends: 154 [2021-12-07 00:35:19,141 INFO L226 Difference]: Without dead ends: 94 [2021-12-07 00:35:19,141 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-07 00:35:19,142 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 0 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 33 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:35:19,143 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 559 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 33 Unchecked, 0.0s Time] [2021-12-07 00:35:19,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-12-07 00:35:19,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2021-12-07 00:35:19,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 90 states have (on average 1.2333333333333334) internal successors, (111), 90 states have internal predecessors, (111), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-07 00:35:19,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 115 transitions. [2021-12-07 00:35:19,149 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 115 transitions. Word has length 26 [2021-12-07 00:35:19,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:35:19,149 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 115 transitions. [2021-12-07 00:35:19,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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 00:35:19,149 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 115 transitions. [2021-12-07 00:35:19,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-07 00:35:19,150 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:35:19,150 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] [2021-12-07 00:35:19,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-12-07 00:35:19,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:35:19,352 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:35:19,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:35:19,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1788210903, now seen corresponding path program 1 times [2021-12-07 00:35:19,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:35:19,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1474109391] [2021-12-07 00:35:19,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:35:19,356 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:35:19,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:35:19,359 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:35:19,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-07 00:35:19,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:35:19,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-07 00:35:19,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:35:19,776 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 00:35:19,776 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:35:19,776 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:35:19,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1474109391] [2021-12-07 00:35:19,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1474109391] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:35:19,776 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:35:19,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:35:19,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069698355] [2021-12-07 00:35:19,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:35:19,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:35:19,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:35:19,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:35:19,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:35:19,778 INFO L87 Difference]: Start difference. First operand 94 states and 115 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 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 00:35:19,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:35:19,787 INFO L93 Difference]: Finished difference Result 157 states and 197 transitions. [2021-12-07 00:35:19,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:35:19,787 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 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 26 [2021-12-07 00:35:19,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:35:19,788 INFO L225 Difference]: With dead ends: 157 [2021-12-07 00:35:19,789 INFO L226 Difference]: Without dead ends: 98 [2021-12-07 00:35:19,789 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:35:19,790 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 8 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 34 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:35:19,791 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 499 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 34 Unchecked, 0.0s Time] [2021-12-07 00:35:19,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-12-07 00:35:19,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 95. [2021-12-07 00:35:19,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 91 states have (on average 1.2307692307692308) internal successors, (112), 91 states have internal predecessors, (112), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-07 00:35:19,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 116 transitions. [2021-12-07 00:35:19,799 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 116 transitions. Word has length 26 [2021-12-07 00:35:19,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:35:19,800 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 116 transitions. [2021-12-07 00:35:19,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 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 00:35:19,800 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 116 transitions. [2021-12-07 00:35:19,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-07 00:35:19,801 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:35:19,801 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] [2021-12-07 00:35:19,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-12-07 00:35:20,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:35:20,003 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:35:20,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:35:20,005 INFO L85 PathProgramCache]: Analyzing trace with hash -2087096916, now seen corresponding path program 1 times [2021-12-07 00:35:20,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:35:20,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [263890790] [2021-12-07 00:35:20,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:35:20,007 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:35:20,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:35:20,009 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:35:20,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-07 00:35:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:35:20,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-07 00:35:20,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:35:20,639 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 00:35:20,639 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:35:20,639 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:35:20,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [263890790] [2021-12-07 00:35:20,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [263890790] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:35:20,639 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:35:20,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 00:35:20,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171705734] [2021-12-07 00:35:20,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:35:20,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 00:35:20,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:35:20,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 00:35:20,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-07 00:35:20,640 INFO L87 Difference]: Start difference. First operand 95 states and 116 transitions. Second operand has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 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 00:35:20,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:35:20,648 INFO L93 Difference]: Finished difference Result 104 states and 127 transitions. [2021-12-07 00:35:20,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:35:20,648 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 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 28 [2021-12-07 00:35:20,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:35:20,649 INFO L225 Difference]: With dead ends: 104 [2021-12-07 00:35:20,649 INFO L226 Difference]: Without dead ends: 97 [2021-12-07 00:35:20,650 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-07 00:35:20,650 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 0 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 46 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:35:20,650 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 546 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 46 Unchecked, 0.0s Time] [2021-12-07 00:35:20,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2021-12-07 00:35:20,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2021-12-07 00:35:20,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 93 states have (on average 1.2365591397849462) internal successors, (115), 93 states have internal predecessors, (115), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-07 00:35:20,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 119 transitions. [2021-12-07 00:35:20,656 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 119 transitions. Word has length 28 [2021-12-07 00:35:20,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:35:20,656 INFO L470 AbstractCegarLoop]: Abstraction has 97 states and 119 transitions. [2021-12-07 00:35:20,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 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 00:35:20,656 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 119 transitions. [2021-12-07 00:35:20,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-07 00:35:20,657 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:35:20,657 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] [2021-12-07 00:35:20,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-12-07 00:35:20,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:35:20,859 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:35:20,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:35:20,860 INFO L85 PathProgramCache]: Analyzing trace with hash -312089554, now seen corresponding path program 1 times [2021-12-07 00:35:20,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:35:20,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1142307717] [2021-12-07 00:35:20,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:35:20,862 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:35:20,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:35:20,864 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:35:20,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-12-07 00:35:21,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:35:21,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-12-07 00:35:21,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:35:25,895 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 00:35:25,895 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:35:25,895 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:35:25,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1142307717] [2021-12-07 00:35:25,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1142307717] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:35:25,895 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:35:25,895 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-07 00:35:25,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760201841] [2021-12-07 00:35:25,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:35:25,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-07 00:35:25,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:35:25,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-07 00:35:25,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=103, Unknown=1, NotChecked=0, Total=132 [2021-12-07 00:35:25,897 INFO L87 Difference]: Start difference. First operand 97 states and 119 transitions. Second operand has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 11 states have internal predecessors, (28), 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 00:35:27,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:35:27,030 INFO L93 Difference]: Finished difference Result 104 states and 126 transitions. [2021-12-07 00:35:27,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-07 00:35:27,031 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 11 states have internal predecessors, (28), 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 28 [2021-12-07 00:35:27,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:35:27,032 INFO L225 Difference]: With dead ends: 104 [2021-12-07 00:35:27,032 INFO L226 Difference]: Without dead ends: 98 [2021-12-07 00:35:27,032 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=39, Invalid=142, Unknown=1, NotChecked=0, Total=182 [2021-12-07 00:35:27,033 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 7 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 846 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 117 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 00:35:27,033 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 846 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 117 Unchecked, 0.1s Time] [2021-12-07 00:35:27,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-12-07 00:35:27,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2021-12-07 00:35:27,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 94 states have (on average 1.2340425531914894) internal successors, (116), 94 states have internal predecessors, (116), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-07 00:35:27,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 120 transitions. [2021-12-07 00:35:27,041 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 120 transitions. Word has length 28 [2021-12-07 00:35:27,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:35:27,041 INFO L470 AbstractCegarLoop]: Abstraction has 98 states and 120 transitions. [2021-12-07 00:35:27,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 11 states have internal predecessors, (28), 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 00:35:27,041 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 120 transitions. [2021-12-07 00:35:27,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-07 00:35:27,042 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:35:27,042 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] [2021-12-07 00:35:27,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-12-07 00:35:27,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:35:27,243 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:35:27,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:35:27,244 INFO L85 PathProgramCache]: Analyzing trace with hash -369347856, now seen corresponding path program 1 times [2021-12-07 00:35:27,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:35:27,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [609722013] [2021-12-07 00:35:27,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:35:27,244 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:35:27,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:35:27,245 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:35:27,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-12-07 00:35:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:35:27,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 22 conjunts are in the unsatisfiable core [2021-12-07 00:35:27,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:35:27,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-07 00:35:27,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2021-12-07 00:35:28,197 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 00:35:28,197 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:35:28,198 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:35:28,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [609722013] [2021-12-07 00:35:28,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [609722013] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:35:28,198 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:35:28,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-07 00:35:28,198 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827601376] [2021-12-07 00:35:28,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:35:28,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-07 00:35:28,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:35:28,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-07 00:35:28,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:35:28,199 INFO L87 Difference]: Start difference. First operand 98 states and 120 transitions. Second operand has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 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 00:35:28,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:35:28,258 INFO L93 Difference]: Finished difference Result 104 states and 125 transitions. [2021-12-07 00:35:28,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 00:35:28,258 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 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 28 [2021-12-07 00:35:28,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:35:28,260 INFO L225 Difference]: With dead ends: 104 [2021-12-07 00:35:28,260 INFO L226 Difference]: Without dead ends: 96 [2021-12-07 00:35:28,260 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-12-07 00:35:28,261 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 5 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 695 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 98 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:35:28,261 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 695 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 98 Unchecked, 0.0s Time] [2021-12-07 00:35:28,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2021-12-07 00:35:28,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2021-12-07 00:35:28,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 92 states have (on average 1.2282608695652173) internal successors, (113), 92 states have internal predecessors, (113), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-07 00:35:28,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 117 transitions. [2021-12-07 00:35:28,268 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 117 transitions. Word has length 28 [2021-12-07 00:35:28,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:35:28,268 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 117 transitions. [2021-12-07 00:35:28,268 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 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 00:35:28,268 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 117 transitions. [2021-12-07 00:35:28,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-07 00:35:28,269 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:35:28,269 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] [2021-12-07 00:35:28,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-12-07 00:35:28,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:35:28,471 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:35:28,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:35:28,472 INFO L85 PathProgramCache]: Analyzing trace with hash 928006702, now seen corresponding path program 1 times [2021-12-07 00:35:28,473 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:35:28,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [232184179] [2021-12-07 00:35:28,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:35:28,474 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:35:28,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:35:28,476 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:35:28,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-12-07 00:35:28,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:35:28,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 22 conjunts are in the unsatisfiable core [2021-12-07 00:35:28,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:35:28,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-07 00:35:28,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2021-12-07 00:35:29,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:35:29,389 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:35:29,389 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:35:29,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [232184179] [2021-12-07 00:35:29,390 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [232184179] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:35:29,390 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:35:29,390 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-07 00:35:29,390 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689203714] [2021-12-07 00:35:29,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:35:29,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-07 00:35:29,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:35:29,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-07 00:35:29,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:35:29,391 INFO L87 Difference]: Start difference. First operand 96 states and 117 transitions. Second operand has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 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 00:35:29,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:35:29,432 INFO L93 Difference]: Finished difference Result 101 states and 121 transitions. [2021-12-07 00:35:29,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 00:35:29,432 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 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 28 [2021-12-07 00:35:29,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:35:29,433 INFO L225 Difference]: With dead ends: 101 [2021-12-07 00:35:29,433 INFO L226 Difference]: Without dead ends: 93 [2021-12-07 00:35:29,434 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-12-07 00:35:29,434 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 8 mSDsluCounter, 584 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 118 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:35:29,435 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 681 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 118 Unchecked, 0.0s Time] [2021-12-07 00:35:29,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-12-07 00:35:29,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 92. [2021-12-07 00:35:29,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 88 states have (on average 1.2045454545454546) internal successors, (106), 88 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-07 00:35:29,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 110 transitions. [2021-12-07 00:35:29,441 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 110 transitions. Word has length 28 [2021-12-07 00:35:29,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:35:29,441 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 110 transitions. [2021-12-07 00:35:29,441 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 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 00:35:29,441 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 110 transitions. [2021-12-07 00:35:29,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-07 00:35:29,442 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:35:29,443 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 00:35:29,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2021-12-07 00:35:29,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:35:29,644 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:35:29,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:35:29,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1247669778, now seen corresponding path program 1 times [2021-12-07 00:35:29,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:35:29,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [459961854] [2021-12-07 00:35:29,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:35:29,645 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:35:29,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:35:29,645 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:35:29,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-12-07 00:35:29,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:35:29,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-07 00:35:29,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:35:30,352 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 00:35:30,353 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:35:30,353 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:35:30,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [459961854] [2021-12-07 00:35:30,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [459961854] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:35:30,353 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:35:30,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 00:35:30,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474364970] [2021-12-07 00:35:30,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:35:30,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 00:35:30,353 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:35:30,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 00:35:30,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-07 00:35:30,354 INFO L87 Difference]: Start difference. First operand 92 states and 110 transitions. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:35:30,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:35:30,357 INFO L93 Difference]: Finished difference Result 104 states and 123 transitions. [2021-12-07 00:35:30,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:35:30,357 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-12-07 00:35:30,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:35:30,358 INFO L225 Difference]: With dead ends: 104 [2021-12-07 00:35:30,358 INFO L226 Difference]: Without dead ends: 99 [2021-12-07 00:35:30,358 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-07 00:35:30,359 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 3 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 53 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:35:30,359 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 421 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 53 Unchecked, 0.0s Time] [2021-12-07 00:35:30,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2021-12-07 00:35:30,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2021-12-07 00:35:30,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 95 states have (on average 1.2) internal successors, (114), 95 states have internal predecessors, (114), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-07 00:35:30,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 118 transitions. [2021-12-07 00:35:30,363 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 118 transitions. Word has length 31 [2021-12-07 00:35:30,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:35:30,363 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 118 transitions. [2021-12-07 00:35:30,363 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:35:30,363 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 118 transitions. [2021-12-07 00:35:30,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-07 00:35:30,364 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:35:30,364 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 00:35:30,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (11)] Ended with exit code 0 [2021-12-07 00:35:30,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:35:30,565 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:35:30,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:35:30,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1053152812, now seen corresponding path program 1 times [2021-12-07 00:35:30,566 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:35:30,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2091571126] [2021-12-07 00:35:30,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:35:30,566 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:35:30,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:35:30,566 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:35:30,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-12-07 00:35:30,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:35:30,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-07 00:35:30,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:35:31,151 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 00:35:31,151 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:35:31,151 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:35:31,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2091571126] [2021-12-07 00:35:31,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2091571126] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:35:31,152 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:35:31,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 00:35:31,152 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340997253] [2021-12-07 00:35:31,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:35:31,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 00:35:31,153 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:35:31,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 00:35:31,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-07 00:35:31,153 INFO L87 Difference]: Start difference. First operand 99 states and 118 transitions. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:35:31,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:35:31,157 INFO L93 Difference]: Finished difference Result 104 states and 122 transitions. [2021-12-07 00:35:31,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:35:31,157 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-12-07 00:35:31,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:35:31,158 INFO L225 Difference]: With dead ends: 104 [2021-12-07 00:35:31,158 INFO L226 Difference]: Without dead ends: 99 [2021-12-07 00:35:31,158 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-07 00:35:31,159 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 6 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 32 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:35:31,159 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 479 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 32 Unchecked, 0.0s Time] [2021-12-07 00:35:31,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2021-12-07 00:35:31,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 92. [2021-12-07 00:35:31,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 88 states have (on average 1.1931818181818181) internal successors, (105), 88 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-07 00:35:31,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 109 transitions. [2021-12-07 00:35:31,162 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 109 transitions. Word has length 31 [2021-12-07 00:35:31,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:35:31,162 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 109 transitions. [2021-12-07 00:35:31,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:35:31,163 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 109 transitions. [2021-12-07 00:35:31,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-12-07 00:35:31,164 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:35:31,164 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:35:31,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-12-07 00:35:31,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:35:31,366 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:35:31,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:35:31,367 INFO L85 PathProgramCache]: Analyzing trace with hash -727928753, now seen corresponding path program 1 times [2021-12-07 00:35:31,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:35:31,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2021353525] [2021-12-07 00:35:31,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:35:31,368 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:35:31,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:35:31,369 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:35:31,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-12-07 00:35:31,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:35:31,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-07 00:35:31,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:35:32,317 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 00:35:32,317 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:35:32,317 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:35:32,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2021353525] [2021-12-07 00:35:32,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2021353525] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:35:32,318 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:35:32,318 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 00:35:32,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404157633] [2021-12-07 00:35:32,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:35:32,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-07 00:35:32,318 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:35:32,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-07 00:35:32,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:35:32,319 INFO L87 Difference]: Start difference. First operand 92 states and 109 transitions. Second operand has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 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 00:35:32,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:35:32,322 INFO L93 Difference]: Finished difference Result 143 states and 173 transitions. [2021-12-07 00:35:32,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 00:35:32,323 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 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 40 [2021-12-07 00:35:32,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:35:32,323 INFO L225 Difference]: With dead ends: 143 [2021-12-07 00:35:32,323 INFO L226 Difference]: Without dead ends: 92 [2021-12-07 00:35:32,324 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:35:32,324 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 2 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 49 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:35:32,324 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 532 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 49 Unchecked, 0.0s Time] [2021-12-07 00:35:32,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-12-07 00:35:32,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 85. [2021-12-07 00:35:32,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 81 states have (on average 1.1975308641975309) internal successors, (97), 81 states have internal predecessors, (97), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-07 00:35:32,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 101 transitions. [2021-12-07 00:35:32,328 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 101 transitions. Word has length 40 [2021-12-07 00:35:32,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:35:32,328 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 101 transitions. [2021-12-07 00:35:32,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 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 00:35:32,328 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 101 transitions. [2021-12-07 00:35:32,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-12-07 00:35:32,329 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:35:32,329 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:35:32,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (13)] Ended with exit code 0 [2021-12-07 00:35:32,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:35:32,530 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:35:32,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:35:32,531 INFO L85 PathProgramCache]: Analyzing trace with hash -320463066, now seen corresponding path program 1 times [2021-12-07 00:35:32,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:35:32,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1646434568] [2021-12-07 00:35:32,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:35:32,532 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:35:32,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:35:32,534 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:35:32,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-12-07 00:35:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:35:33,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-07 00:35:33,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:35:33,085 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 00:35:33,086 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:35:33,086 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:35:33,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1646434568] [2021-12-07 00:35:33,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1646434568] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:35:33,086 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:35:33,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:35:33,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117466852] [2021-12-07 00:35:33,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:35:33,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:35:33,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:35:33,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:35:33,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:35:33,087 INFO L87 Difference]: Start difference. First operand 85 states and 101 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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 00:35:34,335 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:35:36,469 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:35:38,613 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:35:40,722 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:35:42,844 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:35:42,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:35:42,900 INFO L93 Difference]: Finished difference Result 138 states and 159 transitions. [2021-12-07 00:35:42,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 00:35:42,901 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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 45 [2021-12-07 00:35:42,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:35:42,902 INFO L225 Difference]: With dead ends: 138 [2021-12-07 00:35:42,902 INFO L226 Difference]: Without dead ends: 130 [2021-12-07 00:35:42,902 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:35:42,903 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 43 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2021-12-07 00:35:42,903 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 311 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 4 Unknown, 0 Unchecked, 9.8s Time] [2021-12-07 00:35:42,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2021-12-07 00:35:42,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 117. [2021-12-07 00:35:42,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 109 states have (on average 1.165137614678899) internal successors, (127), 109 states have internal predecessors, (127), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-12-07 00:35:42,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 139 transitions. [2021-12-07 00:35:42,909 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 139 transitions. Word has length 45 [2021-12-07 00:35:42,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:35:42,910 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 139 transitions. [2021-12-07 00:35:42,910 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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 00:35:42,910 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 139 transitions. [2021-12-07 00:35:42,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-12-07 00:35:42,911 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:35:42,911 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:35:42,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-12-07 00:35:43,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:35:43,113 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:35:43,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:35:43,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1448939839, now seen corresponding path program 1 times [2021-12-07 00:35:43,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:35:43,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1996565720] [2021-12-07 00:35:43,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:35:43,116 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:35:43,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:35:43,118 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:35:43,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-12-07 00:35:43,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:35:43,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-07 00:35:43,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:35:44,142 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 00:35:44,142 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:35:44,142 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:35:44,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1996565720] [2021-12-07 00:35:44,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1996565720] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:35:44,142 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:35:44,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 00:35:44,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511610341] [2021-12-07 00:35:44,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:35:44,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 00:35:44,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:35:44,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 00:35:44,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-07 00:35:44,144 INFO L87 Difference]: Start difference. First operand 117 states and 139 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 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 00:35:44,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:35:44,154 INFO L93 Difference]: Finished difference Result 220 states and 263 transitions. [2021-12-07 00:35:44,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:35:44,154 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 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 48 [2021-12-07 00:35:44,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:35:44,155 INFO L225 Difference]: With dead ends: 220 [2021-12-07 00:35:44,155 INFO L226 Difference]: Without dead ends: 117 [2021-12-07 00:35:44,155 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-07 00:35:44,156 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 27 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:35:44,156 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 439 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 27 Unchecked, 0.0s Time] [2021-12-07 00:35:44,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2021-12-07 00:35:44,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2021-12-07 00:35:44,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 109 states have (on average 1.1559633027522935) internal successors, (126), 109 states have internal predecessors, (126), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-12-07 00:35:44,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 138 transitions. [2021-12-07 00:35:44,161 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 138 transitions. Word has length 48 [2021-12-07 00:35:44,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:35:44,161 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 138 transitions. [2021-12-07 00:35:44,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 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 00:35:44,162 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 138 transitions. [2021-12-07 00:35:44,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-12-07 00:35:44,162 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:35:44,162 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:35:44,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (15)] Ended with exit code 0 [2021-12-07 00:35:44,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:35:44,364 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:35:44,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:35:44,365 INFO L85 PathProgramCache]: Analyzing trace with hash 604934337, now seen corresponding path program 1 times [2021-12-07 00:35:44,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:35:44,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [448389864] [2021-12-07 00:35:44,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:35:44,367 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:35:44,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:35:44,369 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:35:44,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-12-07 00:35:44,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:35:44,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-07 00:35:44,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:35:45,517 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 00:35:45,517 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:35:45,517 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:35:45,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [448389864] [2021-12-07 00:35:45,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [448389864] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:35:45,518 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:35:45,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 00:35:45,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105761525] [2021-12-07 00:35:45,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:35:45,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-07 00:35:45,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:35:45,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-07 00:35:45,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:35:45,519 INFO L87 Difference]: Start difference. First operand 117 states and 138 transitions. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 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 00:35:45,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:35:45,522 INFO L93 Difference]: Finished difference Result 117 states and 138 transitions. [2021-12-07 00:35:45,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 00:35:45,522 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 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 48 [2021-12-07 00:35:45,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:35:45,523 INFO L225 Difference]: With dead ends: 117 [2021-12-07 00:35:45,523 INFO L226 Difference]: Without dead ends: 0 [2021-12-07 00:35:45,523 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:35:45,524 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 1 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 13 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:35:45,524 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 60 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 13 Unchecked, 0.0s Time] [2021-12-07 00:35:45,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-07 00:35:45,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-07 00:35:45,525 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 00:35:45,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-07 00:35:45,525 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 48 [2021-12-07 00:35:45,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:35:45,525 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 00:35:45,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 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 00:35:45,525 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-07 00:35:45,525 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-07 00:35:45,527 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-07 00:35:45,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (16)] Ended with exit code 0 [2021-12-07 00:35:45,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:35:45,734 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-07 00:35:46,414 INFO L854 garLoopResultBuilder]: At program point L184(line 184) the Hoare annotation is: false [2021-12-07 00:35:46,414 INFO L858 garLoopResultBuilder]: For program point L184-1(line 184) no Hoare annotation was computed. [2021-12-07 00:35:46,415 INFO L858 garLoopResultBuilder]: For program point L151-1(lines 151 155) no Hoare annotation was computed. [2021-12-07 00:35:46,415 INFO L854 garLoopResultBuilder]: At program point L151-2(lines 151 155) the Hoare annotation is: false [2021-12-07 00:35:46,415 INFO L858 garLoopResultBuilder]: For program point L151-3(lines 151 155) no Hoare annotation was computed. [2021-12-07 00:35:46,415 INFO L858 garLoopResultBuilder]: For program point L168(lines 168 172) no Hoare annotation was computed. [2021-12-07 00:35:46,415 INFO L858 garLoopResultBuilder]: For program point L168-1(lines 159 173) no Hoare annotation was computed. [2021-12-07 00:35:46,415 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-07 00:35:46,415 INFO L858 garLoopResultBuilder]: For program point L218-1(lines 218 222) no Hoare annotation was computed. [2021-12-07 00:35:46,415 INFO L854 garLoopResultBuilder]: At program point L218-2(lines 218 222) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) |ULTIMATE.start_main_~y~0#1|)) (= |ULTIMATE.start_isfinite_float_~x#1| |ULTIMATE.start_main_~x~0#1|) (= currentRoundingMode roundNearestTiesToEven)) [2021-12-07 00:35:46,415 INFO L858 garLoopResultBuilder]: For program point L218-3(lines 218 222) no Hoare annotation was computed. [2021-12-07 00:35:46,415 INFO L858 garLoopResultBuilder]: For program point L202-1(lines 202 206) no Hoare annotation was computed. [2021-12-07 00:35:46,415 INFO L854 garLoopResultBuilder]: At program point L202-2(lines 202 206) the Hoare annotation is: false [2021-12-07 00:35:46,415 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 136 140) no Hoare annotation was computed. [2021-12-07 00:35:46,416 INFO L858 garLoopResultBuilder]: For program point L202-3(lines 202 206) no Hoare annotation was computed. [2021-12-07 00:35:46,416 INFO L854 garLoopResultBuilder]: At program point L136-2(lines 136 140) the Hoare annotation is: false [2021-12-07 00:35:46,416 INFO L858 garLoopResultBuilder]: For program point L87-1(lines 87 91) no Hoare annotation was computed. [2021-12-07 00:35:46,416 INFO L854 garLoopResultBuilder]: At program point L87-2(lines 87 91) the Hoare annotation is: (let ((.cse0 (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)))) (and (= .cse0 |ULTIMATE.start_main_~y~0#1|) (exists ((|v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14| (_ BitVec 32))) (let ((.cse1 (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14|) (_ bv0 32)))) (and (= (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)) |ULTIMATE.start___ieee754_hypotf_~x#1|) (bvslt (bvand (_ bv2147483647 32) .cse1) (_ bv2139095040 32))))) (= |ULTIMATE.start___ieee754_hypotf_~y#1| .cse0) (= currentRoundingMode roundNearestTiesToEven))) [2021-12-07 00:35:46,416 INFO L858 garLoopResultBuilder]: For program point L87-3(lines 87 91) no Hoare annotation was computed. [2021-12-07 00:35:46,416 INFO L858 garLoopResultBuilder]: For program point L187-1(lines 187 191) no Hoare annotation was computed. [2021-12-07 00:35:46,416 INFO L854 garLoopResultBuilder]: At program point L187-2(lines 187 191) the Hoare annotation is: false [2021-12-07 00:35:46,416 INFO L858 garLoopResultBuilder]: For program point L187-3(lines 187 191) no Hoare annotation was computed. [2021-12-07 00:35:46,416 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 244) no Hoare annotation was computed. [2021-12-07 00:35:46,416 INFO L858 garLoopResultBuilder]: For program point L237-2(lines 237 244) no Hoare annotation was computed. [2021-12-07 00:35:46,416 INFO L858 garLoopResultBuilder]: For program point L123(lines 123 146) no Hoare annotation was computed. [2021-12-07 00:35:46,416 INFO L858 garLoopResultBuilder]: For program point L123-1(lines 83 210) no Hoare annotation was computed. [2021-12-07 00:35:46,416 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-07 00:35:46,417 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 131) no Hoare annotation was computed. [2021-12-07 00:35:46,417 INFO L858 garLoopResultBuilder]: For program point L240(lines 240 243) no Hoare annotation was computed. [2021-12-07 00:35:46,417 INFO L858 garLoopResultBuilder]: For program point L141(lines 141 145) no Hoare annotation was computed. [2021-12-07 00:35:46,417 INFO L858 garLoopResultBuilder]: For program point L141-1(lines 123 146) no Hoare annotation was computed. [2021-12-07 00:35:46,417 INFO L854 garLoopResultBuilder]: At program point L224(lines 216 225) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) |ULTIMATE.start_main_~y~0#1|)) (exists ((|v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14|) (_ bv0 32)))) (and (= (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) |ULTIMATE.start_main_~x~0#1|) (let ((.cse1 (bvslt (bvand (_ bv2147483647 32) .cse0) (_ bv2139095040 32)))) (or (and (not .cse1) (= |ULTIMATE.start_isfinite_float_#res#1| (_ bv0 32))) (and .cse1 (= |ULTIMATE.start_isfinite_float_#res#1| (_ bv1 32)))))))) (= currentRoundingMode roundNearestTiesToEven)) [2021-12-07 00:35:46,417 INFO L858 garLoopResultBuilder]: For program point L241(line 241) no Hoare annotation was computed. [2021-12-07 00:35:46,417 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 113) no Hoare annotation was computed. [2021-12-07 00:35:46,417 INFO L858 garLoopResultBuilder]: For program point L109-1(lines 83 210) no Hoare annotation was computed. [2021-12-07 00:35:46,418 INFO L858 garLoopResultBuilder]: For program point L126(lines 126 127) no Hoare annotation was computed. [2021-12-07 00:35:46,418 INFO L858 garLoopResultBuilder]: For program point L93-1(lines 93 97) no Hoare annotation was computed. [2021-12-07 00:35:46,418 INFO L858 garLoopResultBuilder]: For program point L126-2(lines 124 131) no Hoare annotation was computed. [2021-12-07 00:35:46,418 INFO L854 garLoopResultBuilder]: At program point L93-2(lines 93 97) the Hoare annotation is: (let ((.cse0 (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)))) (and (= .cse0 |ULTIMATE.start_main_~y~0#1|) (exists ((|v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_28| (_ BitVec 32))) (and (= |ULTIMATE.start___ieee754_hypotf_~ha~0#1| (bvand (_ bv2147483647 32) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_28|)) (exists ((v_arrayElimCell_3 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_28|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_28|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_28|)) (fp ((_ extract 31 31) v_arrayElimCell_3) ((_ extract 30 23) v_arrayElimCell_3) ((_ extract 22 0) v_arrayElimCell_3))) (bvslt (bvand (_ bv2147483647 32) v_arrayElimCell_3) (_ bv2139095040 32)))))) (= |ULTIMATE.start___ieee754_hypotf_~y#1| .cse0) (= currentRoundingMode roundNearestTiesToEven))) [2021-12-07 00:35:46,418 INFO L858 garLoopResultBuilder]: For program point L93-3(lines 93 97) no Hoare annotation was computed. [2021-12-07 00:35:46,418 INFO L854 garLoopResultBuilder]: At program point L209(lines 83 210) the Hoare annotation is: (exists ((|ULTIMATE.start___ieee754_hypotf_~ha~0#1| (_ BitVec 32)) (|ULTIMATE.start___ieee754_hypotf_~b~0#1| (_ FloatingPoint 8 24))) (and (not (bvslt |ULTIMATE.start___ieee754_hypotf_~ha~0#1| (_ bv2139095040 32))) (not (= |ULTIMATE.start___ieee754_hypotf_~ha~0#1| (_ bv2139095040 32))) (= |ULTIMATE.start___ieee754_hypotf_#res#1| (fp.add roundNearestTiesToEven (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_hypotf_~ha~0#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_hypotf_~ha~0#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_hypotf_~ha~0#1|)) |ULTIMATE.start___ieee754_hypotf_~b~0#1|)))) [2021-12-07 00:35:46,418 INFO L858 garLoopResultBuilder]: For program point L193-1(lines 193 197) no Hoare annotation was computed. [2021-12-07 00:35:46,419 INFO L854 garLoopResultBuilder]: At program point L193-2(lines 193 197) the Hoare annotation is: false [2021-12-07 00:35:46,419 INFO L858 garLoopResultBuilder]: For program point L193-3(lines 193 197) no Hoare annotation was computed. [2021-12-07 00:35:46,419 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-07 00:35:46,419 INFO L858 garLoopResultBuilder]: For program point L177(lines 177 200) no Hoare annotation was computed. [2021-12-07 00:35:46,419 INFO L858 garLoopResultBuilder]: For program point L177-2(lines 83 210) no Hoare annotation was computed. [2021-12-07 00:35:46,419 INFO L858 garLoopResultBuilder]: For program point L128-1(lines 128 129) no Hoare annotation was computed. [2021-12-07 00:35:46,419 INFO L858 garLoopResultBuilder]: For program point L178-1(lines 178 182) no Hoare annotation was computed. [2021-12-07 00:35:46,419 INFO L854 garLoopResultBuilder]: At program point L178-2(lines 178 182) the Hoare annotation is: false [2021-12-07 00:35:46,419 INFO L858 garLoopResultBuilder]: For program point L178-3(lines 178 182) no Hoare annotation was computed. [2021-12-07 00:35:46,419 INFO L858 garLoopResultBuilder]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2021-12-07 00:35:46,419 INFO L854 garLoopResultBuilder]: At program point L163-2(lines 163 167) the Hoare annotation is: false [2021-12-07 00:35:46,419 INFO L861 garLoopResultBuilder]: At program point L246(lines 227 247) the Hoare annotation is: true [2021-12-07 00:35:46,419 INFO L854 garLoopResultBuilder]: At program point L213(line 213) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res#1|) [2021-12-07 00:35:46,420 INFO L858 garLoopResultBuilder]: For program point L147(lines 147 174) no Hoare annotation was computed. [2021-12-07 00:35:46,420 INFO L858 garLoopResultBuilder]: For program point L114(lines 114 118) no Hoare annotation was computed. [2021-12-07 00:35:46,420 INFO L858 garLoopResultBuilder]: For program point L114-1(lines 83 210) no Hoare annotation was computed. [2021-12-07 00:35:46,420 INFO L858 garLoopResultBuilder]: For program point L114-2(lines 83 210) no Hoare annotation was computed. [2021-12-07 00:35:46,420 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-07 00:35:46,420 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 241) no Hoare annotation was computed. [2021-12-07 00:35:46,420 INFO L858 garLoopResultBuilder]: For program point L148(lines 148 173) no Hoare annotation was computed. [2021-12-07 00:35:46,420 INFO L858 garLoopResultBuilder]: For program point L99(lines 99 108) no Hoare annotation was computed. [2021-12-07 00:35:46,420 INFO L854 garLoopResultBuilder]: At program point L199(line 199) the Hoare annotation is: false [2021-12-07 00:35:46,420 INFO L858 garLoopResultBuilder]: For program point L199-1(line 199) no Hoare annotation was computed. [2021-12-07 00:35:46,420 INFO L858 garLoopResultBuilder]: For program point L150(lines 150 173) no Hoare annotation was computed. [2021-12-07 00:35:46,420 INFO L858 garLoopResultBuilder]: For program point L31(lines 31 32) no Hoare annotation was computed. [2021-12-07 00:35:46,420 INFO L861 garLoopResultBuilder]: At program point L52-2(lines 52 61) the Hoare annotation is: true [2021-12-07 00:35:46,420 INFO L858 garLoopResultBuilder]: For program point L52-3(lines 16 81) no Hoare annotation was computed. [2021-12-07 00:35:46,421 INFO L858 garLoopResultBuilder]: For program point L44(lines 44 45) no Hoare annotation was computed. [2021-12-07 00:35:46,421 INFO L858 garLoopResultBuilder]: For program point L44-2(lines 44 45) no Hoare annotation was computed. [2021-12-07 00:35:46,421 INFO L858 garLoopResultBuilder]: For program point L65(lines 65 71) no Hoare annotation was computed. [2021-12-07 00:35:46,421 INFO L858 garLoopResultBuilder]: For program point L28(lines 28 29) no Hoare annotation was computed. [2021-12-07 00:35:46,421 INFO L861 garLoopResultBuilder]: At program point __ieee754_sqrtfENTRY(lines 16 81) the Hoare annotation is: true [2021-12-07 00:35:46,421 INFO L858 garLoopResultBuilder]: For program point __ieee754_sqrtfFINAL(lines 16 81) no Hoare annotation was computed. [2021-12-07 00:35:46,421 INFO L858 garLoopResultBuilder]: For program point L37(lines 37 41) no Hoare annotation was computed. [2021-12-07 00:35:46,421 INFO L858 garLoopResultBuilder]: For program point L37-2(lines 37 41) no Hoare annotation was computed. [2021-12-07 00:35:46,421 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 34) no Hoare annotation was computed. [2021-12-07 00:35:46,421 INFO L858 garLoopResultBuilder]: For program point L54(lines 54 58) no Hoare annotation was computed. [2021-12-07 00:35:46,421 INFO L858 garLoopResultBuilder]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2021-12-07 00:35:46,421 INFO L858 garLoopResultBuilder]: For program point L54-2(lines 54 58) no Hoare annotation was computed. [2021-12-07 00:35:46,421 INFO L858 garLoopResultBuilder]: For program point __ieee754_sqrtfEXIT(lines 16 81) no Hoare annotation was computed. [2021-12-07 00:35:46,421 INFO L861 garLoopResultBuilder]: At program point L21-2(lines 21 25) the Hoare annotation is: true [2021-12-07 00:35:46,421 INFO L858 garLoopResultBuilder]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2021-12-07 00:35:46,421 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 75 79) no Hoare annotation was computed. [2021-12-07 00:35:46,422 INFO L861 garLoopResultBuilder]: At program point L75-2(lines 75 79) the Hoare annotation is: true [2021-12-07 00:35:46,422 INFO L858 garLoopResultBuilder]: For program point L75-3(lines 75 79) no Hoare annotation was computed. [2021-12-07 00:35:46,422 INFO L858 garLoopResultBuilder]: For program point L38-2(lines 38 39) no Hoare annotation was computed. [2021-12-07 00:35:46,422 INFO L861 garLoopResultBuilder]: At program point L38-3(lines 38 39) the Hoare annotation is: true [2021-12-07 00:35:46,422 INFO L858 garLoopResultBuilder]: For program point L67(lines 67 70) no Hoare annotation was computed. [2021-12-07 00:35:46,422 INFO L858 garLoopResultBuilder]: For program point L38-4(lines 38 39) no Hoare annotation was computed. [2021-12-07 00:35:46,422 INFO L858 garLoopResultBuilder]: For program point L63(lines 63 72) no Hoare annotation was computed. [2021-12-07 00:35:46,425 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:35:46,426 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-07 00:35:46,436 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] [2021-12-07 00:35:46,436 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] [2021-12-07 00:35:46,437 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] [2021-12-07 00:35:46,437 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] [2021-12-07 00:35:46,439 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:35:46,443 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] [2021-12-07 00:35:46,444 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] [2021-12-07 00:35:46,444 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] [2021-12-07 00:35:46,444 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] [2021-12-07 00:35:46,444 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:35:46,446 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2021-12-07 00:35:46,446 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2021-12-07 00:35:46,446 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:35:46,446 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2021-12-07 00:35:46,446 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2021-12-07 00:35:46,446 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2021-12-07 00:35:46,446 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~b~0#1,QUANTIFIED] [2021-12-07 00:35:46,447 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2021-12-07 00:35:46,447 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2021-12-07 00:35:46,447 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:35:46,447 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2021-12-07 00:35:46,447 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2021-12-07 00:35:46,447 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2021-12-07 00:35:46,447 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~b~0#1,QUANTIFIED] [2021-12-07 00:35:46,449 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:35:46,449 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] [2021-12-07 00:35:46,449 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] [2021-12-07 00:35:46,449 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] [2021-12-07 00:35:46,449 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] [2021-12-07 00:35:46,449 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] [2021-12-07 00:35:46,449 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:35:46,450 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:35:46,450 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] [2021-12-07 00:35:46,450 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] [2021-12-07 00:35:46,450 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] [2021-12-07 00:35:46,450 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] [2021-12-07 00:35:46,450 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] [2021-12-07 00:35:46,451 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:35:46,451 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:35:46,451 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:35:46,452 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:35:46,452 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:35:46,453 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_28,QUANTIFIED] [2021-12-07 00:35:46,453 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_28,QUANTIFIED] [2021-12-07 00:35:46,453 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_28,QUANTIFIED] [2021-12-07 00:35:46,453 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_28,QUANTIFIED] [2021-12-07 00:35:46,453 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] [2021-12-07 00:35:46,453 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] [2021-12-07 00:35:46,453 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] [2021-12-07 00:35:46,453 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] [2021-12-07 00:35:46,454 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:35:46,454 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_28,QUANTIFIED] [2021-12-07 00:35:46,454 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_28,QUANTIFIED] [2021-12-07 00:35:46,454 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_28,QUANTIFIED] [2021-12-07 00:35:46,455 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_28,QUANTIFIED] [2021-12-07 00:35:46,455 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] [2021-12-07 00:35:46,455 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] [2021-12-07 00:35:46,455 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] [2021-12-07 00:35:46,455 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] [2021-12-07 00:35:46,455 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:35:46,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:35:46 BoogieIcfgContainer [2021-12-07 00:35:46,456 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-07 00:35:46,457 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 00:35:46,457 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 00:35:46,457 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 00:35:46,457 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:35:14" (3/4) ... [2021-12-07 00:35:46,460 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-07 00:35:46,466 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2021-12-07 00:35:46,472 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-12-07 00:35:46,473 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-12-07 00:35:46,473 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-07 00:35:46,473 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-07 00:35:46,491 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == y) && x == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-12-07 00:35:46,491 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == y) && (\exists v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14 : bv32 :: ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14][0bv32][22:0]) == x && ((!~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14][0bv32]), 2139095040bv32) && \result == 0bv32) || (~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14][0bv32]), 2139095040bv32) && \result == 1bv32)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-12-07 00:35:46,491 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == y && (\exists v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14 : bv32 :: ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14][0bv32][22:0]) == x && ~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14][0bv32]), 2139095040bv32))) && y == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-12-07 00:35:46,491 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == y && (\exists v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_28 : bv32 :: ha == ~bvand32(2147483647bv32, v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_28) && (\exists v_arrayElimCell_3 : bv32 :: ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_28[31:31], v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_28[30:23], v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_28[22:0]) == ~fp~LONGDOUBLE(v_arrayElimCell_3[31:31], v_arrayElimCell_3[30:23], v_arrayElimCell_3[22:0]) && ~bvslt32(~bvand32(2147483647bv32, v_arrayElimCell_3), 2139095040bv32)))) && y == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-12-07 00:35:46,500 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-07 00:35:46,501 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 00:35:46,501 INFO L158 Benchmark]: Toolchain (without parser) took 33440.78ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 45.3MB in the beginning and 60.8MB in the end (delta: -15.5MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2021-12-07 00:35:46,502 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory was 46.3MB in the beginning and 46.2MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:35:46,502 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.06ms. Allocated memory is still 65.0MB. Free memory was 45.1MB in the beginning and 43.6MB in the end (delta: 1.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-07 00:35:46,502 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.49ms. Allocated memory is still 65.0MB. Free memory was 43.6MB in the beginning and 41.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 00:35:46,503 INFO L158 Benchmark]: Boogie Preprocessor took 34.76ms. Allocated memory is still 65.0MB. Free memory was 41.2MB in the beginning and 38.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 00:35:46,503 INFO L158 Benchmark]: RCFGBuilder took 1075.64ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 38.5MB in the beginning and 62.5MB in the end (delta: -24.0MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2021-12-07 00:35:46,503 INFO L158 Benchmark]: TraceAbstraction took 32016.18ms. Allocated memory is still 88.1MB. Free memory was 62.0MB in the beginning and 63.7MB in the end (delta: -1.8MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. [2021-12-07 00:35:46,504 INFO L158 Benchmark]: Witness Printer took 43.83ms. Allocated memory is still 88.1MB. Free memory was 63.7MB in the beginning and 60.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 00:35:46,505 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory was 46.3MB in the beginning and 46.2MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.06ms. Allocated memory is still 65.0MB. Free memory was 45.1MB in the beginning and 43.6MB in the end (delta: 1.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.49ms. Allocated memory is still 65.0MB. Free memory was 43.6MB in the beginning and 41.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.76ms. Allocated memory is still 65.0MB. Free memory was 41.2MB in the beginning and 38.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1075.64ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 38.5MB in the beginning and 62.5MB in the end (delta: -24.0MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * TraceAbstraction took 32016.18ms. Allocated memory is still 88.1MB. Free memory was 62.0MB in the beginning and 63.7MB in the end (delta: -1.8MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. * Witness Printer took 43.83ms. Allocated memory is still 88.1MB. Free memory was 63.7MB in the beginning and 60.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,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[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,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[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~b~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,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[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~b~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,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 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[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] - 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: 241]: 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 2 procedures, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 31.9s, OverallIterations: 15, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 150 SdHoareTripleChecker+Valid, 11.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 147 mSDsluCounter, 7144 SdHoareTripleChecker+Invalid, 10.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 733 IncrementalHoareTripleChecker+Unchecked, 5704 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 800 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 1440 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 463 GetRequests, 370 SyntacticMatches, 2 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 8.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred in iteration=13, InterpolantAutomatonStates: 114, 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, 15 MinimizatonAttempts, 61 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 116 PreInvPairs, 124 NumberOfFragments, 209 HoareAnnotationTreeSize, 116 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 21 FomulaSimplificationsInter, 195 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 12.0s InterpolantComputationTime, 471 NumberOfCodeBlocks, 471 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 456 ConstructedInterpolants, 230 QuantifiedInterpolants, 4502 SizeOfPredicates, 94 NumberOfNonLiveVariables, 1965 ConjunctsInSsa, 187 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 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: 87]: Loop Invariant [2021-12-07 00:35:46,513 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] [2021-12-07 00:35:46,513 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] [2021-12-07 00:35:46,513 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] [2021-12-07 00:35:46,513 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] [2021-12-07 00:35:46,514 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:35:46,514 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] [2021-12-07 00:35:46,515 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] [2021-12-07 00:35:46,515 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] [2021-12-07 00:35:46,515 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] [2021-12-07 00:35:46,515 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == y && (\exists v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14 : bv32 :: ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14][0bv32][22:0]) == x && ~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14][0bv32]), 2139095040bv32))) && y == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 83]: Loop Invariant [2021-12-07 00:35:46,515 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2021-12-07 00:35:46,516 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2021-12-07 00:35:46,516 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:35:46,516 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2021-12-07 00:35:46,516 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2021-12-07 00:35:46,516 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2021-12-07 00:35:46,516 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~b~0#1,QUANTIFIED] [2021-12-07 00:35:46,516 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2021-12-07 00:35:46,516 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2021-12-07 00:35:46,517 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:35:46,517 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2021-12-07 00:35:46,517 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2021-12-07 00:35:46,517 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2021-12-07 00:35:46,517 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~b~0#1,QUANTIFIED] Derived loop invariant: (\exists ULTIMATE.start___ieee754_hypotf_~ha~0#1 : bv32, ULTIMATE.start___ieee754_hypotf_~b~0#1 : C_FLOAT :: (!~bvslt32(ULTIMATE.start___ieee754_hypotf_~ha~0#1, 2139095040bv32) && !(ULTIMATE.start___ieee754_hypotf_~ha~0#1 == 2139095040bv32)) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_hypotf_~ha~0#1[31:31], ULTIMATE.start___ieee754_hypotf_~ha~0#1[30:23], ULTIMATE.start___ieee754_hypotf_~ha~0#1[22:0]), ULTIMATE.start___ieee754_hypotf_~b~0#1)) - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 1bv32 == \result - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 216]: Loop Invariant [2021-12-07 00:35:46,518 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:35:46,518 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] [2021-12-07 00:35:46,518 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] [2021-12-07 00:35:46,518 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] [2021-12-07 00:35:46,518 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] [2021-12-07 00:35:46,518 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] [2021-12-07 00:35:46,518 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:35:46,519 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:35:46,519 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] [2021-12-07 00:35:46,519 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] [2021-12-07 00:35:46,519 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] [2021-12-07 00:35:46,519 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] [2021-12-07 00:35:46,519 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14,QUANTIFIED] [2021-12-07 00:35:46,519 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == y) && (\exists v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14 : bv32 :: ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14][0bv32][22:0]) == x && ((!~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14][0bv32]), 2139095040bv32) && \result == 0bv32) || (~bvslt32(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_float_~#gf_u~3#1.base_14][0bv32]), 2139095040bv32) && \result == 1bv32)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 218]: Loop Invariant [2021-12-07 00:35:46,520 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:35:46,520 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:35:46,520 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:35:46,520 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == y) && x == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 93]: Loop Invariant [2021-12-07 00:35:46,521 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_28,QUANTIFIED] [2021-12-07 00:35:46,521 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_28,QUANTIFIED] [2021-12-07 00:35:46,521 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_28,QUANTIFIED] [2021-12-07 00:35:46,521 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_28,QUANTIFIED] [2021-12-07 00:35:46,521 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] [2021-12-07 00:35:46,521 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] [2021-12-07 00:35:46,521 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] [2021-12-07 00:35:46,521 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] [2021-12-07 00:35:46,522 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:35:46,522 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_28,QUANTIFIED] [2021-12-07 00:35:46,522 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_28,QUANTIFIED] [2021-12-07 00:35:46,522 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_28,QUANTIFIED] [2021-12-07 00:35:46,522 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_28,QUANTIFIED] [2021-12-07 00:35:46,522 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] [2021-12-07 00:35:46,523 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] [2021-12-07 00:35:46,523 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] [2021-12-07 00:35:46,523 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_3,QUANTIFIED] [2021-12-07 00:35:46,523 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == y && (\exists v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_28 : bv32 :: ha == ~bvand32(2147483647bv32, v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_28) && (\exists v_arrayElimCell_3 : bv32 :: ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_28[31:31], v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_28[30:23], v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_28[22:0]) == ~fp~LONGDOUBLE(v_arrayElimCell_3[31:31], v_arrayElimCell_3[30:23], v_arrayElimCell_3[22:0]) && ~bvslt32(~bvand32(2147483647bv32, v_arrayElimCell_3), 2139095040bv32)))) && y == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-12-07 00:35:46,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e9de6db-a904-44c0-85ec-77a9134ce878/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE