./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/cast_float_ptr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_float_ptr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 617eaa0242fb4a2f0fbdac83184f4c0ff716c3b2 .................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_float_ptr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 617eaa0242fb4a2f0fbdac83184f4c0ff716c3b2 ......................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 03:16:07,893 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 03:16:07,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 03:16:07,963 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 03:16:07,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 03:16:07,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 03:16:07,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 03:16:07,980 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 03:16:07,982 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 03:16:07,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 03:16:07,991 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 03:16:07,993 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 03:16:07,994 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 03:16:07,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 03:16:07,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 03:16:08,005 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 03:16:08,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 03:16:08,008 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 03:16:08,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 03:16:08,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 03:16:08,023 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 03:16:08,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 03:16:08,029 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 03:16:08,031 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 03:16:08,038 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 03:16:08,038 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 03:16:08,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 03:16:08,041 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 03:16:08,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 03:16:08,044 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 03:16:08,044 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 03:16:08,045 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 03:16:08,047 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 03:16:08,049 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 03:16:08,050 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 03:16:08,051 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 03:16:08,052 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 03:16:08,052 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 03:16:08,052 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 03:16:08,054 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 03:16:08,054 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 03:16:08,056 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 03:16:08,094 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 03:16:08,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 03:16:08,096 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 03:16:08,096 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 03:16:08,096 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 03:16:08,097 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 03:16:08,097 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 03:16:08,097 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 03:16:08,098 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 03:16:08,098 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 03:16:08,098 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 03:16:08,098 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 03:16:08,099 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 03:16:08,099 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 03:16:08,099 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 03:16:08,100 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 03:16:08,100 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 03:16:08,101 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 03:16:08,101 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 03:16:08,101 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 03:16:08,101 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 03:16:08,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 03:16:08,102 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 03:16:08,102 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 03:16:08,102 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 03:16:08,103 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 03:16:08,103 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 03:16:08,103 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 03:16:08,103 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 03:16:08,104 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 03:16:08,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:16:08,104 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 03:16:08,105 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 03:16:08,105 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 03:16:08,105 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 03:16:08,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 03:16:08,106 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 03:16:08,106 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 03:16:08,106 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 03:16:08,106 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 617eaa0242fb4a2f0fbdac83184f4c0ff716c3b2 [2021-10-16 03:16:08,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 03:16:08,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 03:16:08,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 03:16:08,412 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 03:16:08,413 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 03:16:08,414 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/float-benchs/cast_float_ptr.c [2021-10-16 03:16:08,475 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs/data/8b5f66f9b/0d56f29a8ffd4ac987d988cc3fa4fd60/FLAG2fb586af3 [2021-10-16 03:16:08,964 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 03:16:08,965 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/sv-benchmarks/c/float-benchs/cast_float_ptr.c [2021-10-16 03:16:08,975 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs/data/8b5f66f9b/0d56f29a8ffd4ac987d988cc3fa4fd60/FLAG2fb586af3 [2021-10-16 03:16:09,338 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs/data/8b5f66f9b/0d56f29a8ffd4ac987d988cc3fa4fd60 [2021-10-16 03:16:09,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 03:16:09,345 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 03:16:09,357 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 03:16:09,357 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 03:16:09,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 03:16:09,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:16:09" (1/1) ... [2021-10-16 03:16:09,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44e60440 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:09, skipping insertion in model container [2021-10-16 03:16:09,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:16:09" (1/1) ... [2021-10-16 03:16:09,374 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 03:16:09,393 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:16:09,604 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2021-10-16 03:16:09,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:16:09,631 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 03:16:09,643 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2021-10-16 03:16:09,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:16:09,668 INFO L208 MainTranslator]: Completed translation [2021-10-16 03:16:09,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:09 WrapperNode [2021-10-16 03:16:09,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 03:16:09,670 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 03:16:09,671 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 03:16:09,671 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 03:16:09,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:09" (1/1) ... [2021-10-16 03:16:09,690 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:09" (1/1) ... [2021-10-16 03:16:09,714 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 03:16:09,715 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 03:16:09,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 03:16:09,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 03:16:09,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:09" (1/1) ... [2021-10-16 03:16:09,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:09" (1/1) ... [2021-10-16 03:16:09,728 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:09" (1/1) ... [2021-10-16 03:16:09,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:09" (1/1) ... [2021-10-16 03:16:09,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:09" (1/1) ... [2021-10-16 03:16:09,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:09" (1/1) ... [2021-10-16 03:16:09,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:09" (1/1) ... [2021-10-16 03:16:09,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 03:16:09,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 03:16:09,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 03:16:09,746 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 03:16:09,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:09" (1/1) ... [2021-10-16 03:16:09,757 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:16:09,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:16:09,789 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 03:16:09,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 03:16:09,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 03:16:09,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 03:16:09,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-16 03:16:09,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 03:16:09,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-16 03:16:09,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 03:16:09,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 03:16:09,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 03:16:09,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 03:16:10,144 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 03:16:10,144 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-16 03:16:10,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:16:10 BoogieIcfgContainer [2021-10-16 03:16:10,148 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 03:16:10,150 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 03:16:10,150 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 03:16:10,155 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 03:16:10,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:16:09" (1/3) ... [2021-10-16 03:16:10,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@190dc523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:16:10, skipping insertion in model container [2021-10-16 03:16:10,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:09" (2/3) ... [2021-10-16 03:16:10,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@190dc523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:16:10, skipping insertion in model container [2021-10-16 03:16:10,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:16:10" (3/3) ... [2021-10-16 03:16:10,159 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2021-10-16 03:16:10,165 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 03:16:10,166 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 03:16:10,220 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 03:16:10,227 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 03:16:10,227 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 03:16:10,244 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:16:10,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-16 03:16:10,250 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:16:10,251 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-16 03:16:10,251 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:16:10,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:16:10,258 INFO L82 PathProgramCache]: Analyzing trace with hash 2125426307, now seen corresponding path program 1 times [2021-10-16 03:16:10,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 03:16:10,271 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807363456] [2021-10-16 03:16:10,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:16:10,273 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 03:16:10,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 03:16:10,441 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 03:16:10,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 03:16:10,636 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-16 03:16:10,638 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-16 03:16:10,640 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 03:16:10,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 03:16:10,651 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 03:16:10,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 03:16:10 BoogieIcfgContainer [2021-10-16 03:16:10,677 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 03:16:10,678 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 03:16:10,678 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 03:16:10,678 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 03:16:10,679 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:16:10" (3/4) ... [2021-10-16 03:16:10,682 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-16 03:16:10,683 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 03:16:10,685 INFO L168 Benchmark]: Toolchain (without parser) took 1338.72 ms. Allocated memory was 83.9 MB in the beginning and 115.3 MB in the end (delta: 31.5 MB). Free memory was 45.6 MB in the beginning and 88.9 MB in the end (delta: -43.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:16:10,686 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 83.9 MB. Free memory is still 61.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:16:10,687 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.81 ms. Allocated memory was 83.9 MB in the beginning and 115.3 MB in the end (delta: 31.5 MB). Free memory was 45.4 MB in the beginning and 91.0 MB in the end (delta: -45.7 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. [2021-10-16 03:16:10,689 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.07 ms. Allocated memory is still 115.3 MB. Free memory was 91.0 MB in the beginning and 89.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 03:16:10,690 INFO L168 Benchmark]: Boogie Preprocessor took 29.76 ms. Allocated memory is still 115.3 MB. Free memory was 89.3 MB in the beginning and 88.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 03:16:10,692 INFO L168 Benchmark]: RCFGBuilder took 402.14 ms. Allocated memory is still 115.3 MB. Free memory was 88.2 MB in the beginning and 74.9 MB in the end (delta: 13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-16 03:16:10,700 INFO L168 Benchmark]: TraceAbstraction took 527.47 ms. Allocated memory is still 115.3 MB. Free memory was 74.2 MB in the beginning and 89.5 MB in the end (delta: -15.3 MB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. [2021-10-16 03:16:10,700 INFO L168 Benchmark]: Witness Printer took 4.57 ms. Allocated memory is still 115.3 MB. Free memory was 89.5 MB in the beginning and 88.9 MB in the end (delta: 607.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:16:10,703 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 83.9 MB. Free memory is still 61.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 312.81 ms. Allocated memory was 83.9 MB in the beginning and 115.3 MB in the end (delta: 31.5 MB). Free memory was 45.4 MB in the beginning and 91.0 MB in the end (delta: -45.7 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.07 ms. Allocated memory is still 115.3 MB. Free memory was 91.0 MB in the beginning and 89.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.76 ms. Allocated memory is still 115.3 MB. Free memory was 89.3 MB in the beginning and 88.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 402.14 ms. Allocated memory is still 115.3 MB. Free memory was 88.2 MB in the beginning and 74.9 MB in the end (delta: 13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 527.47 ms. Allocated memory is still 115.3 MB. Free memory was 74.2 MB in the beginning and 89.5 MB in the end (delta: -15.3 MB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. * Witness Printer took 4.57 ms. Allocated memory is still 115.3 MB. Free memory was 89.5 MB in the beginning and 88.9 MB in the end (delta: 607.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 5]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 21, overapproximation of bitwiseAnd at line 13. Possible FailurePath: [L34] double a; [L35] float r; [L37] a = __VERIFIER_nondet_double() [L10] double dmax; [L11] float f; [L13] EXPR \read(d) [L13] COND FALSE !((((*(unsigned*)&d) & 0x7FF00000) >> 20) == 2047) [L15] ((unsigned*)&dmax)[0] = 0x47efffff [L16] ((unsigned*)&dmax)[1] = 0xe0000000 [L18] EXPR \read(d) [L18] EXPR \read(dmax) [L18] COND FALSE !(d > dmax) [L21] EXPR \read(d) [L21] EXPR \read(dmax) [L21] COND FALSE !(-d > dmax) [L25] EXPR \read(d) [L25] d >= -3.41e38 && d <= 3.41e38 [L5] COND TRUE !(cond) [L5] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 432.2ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 10.1ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 9.3ms SsaConstructionTime, 94.0ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-16 03:16:10,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-16 03:16:13,250 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 03:16:13,253 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 03:16:13,289 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 03:16:13,290 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 03:16:13,291 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 03:16:13,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 03:16:13,296 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 03:16:13,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 03:16:13,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 03:16:13,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 03:16:13,303 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 03:16:13,304 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 03:16:13,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 03:16:13,307 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 03:16:13,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 03:16:13,309 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 03:16:13,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 03:16:13,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 03:16:13,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 03:16:13,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 03:16:13,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 03:16:13,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 03:16:13,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 03:16:13,325 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 03:16:13,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 03:16:13,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 03:16:13,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 03:16:13,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 03:16:13,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 03:16:13,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 03:16:13,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 03:16:13,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 03:16:13,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 03:16:13,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 03:16:13,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 03:16:13,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 03:16:13,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 03:16:13,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 03:16:13,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 03:16:13,351 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 03:16:13,352 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 03:16:13,405 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 03:16:13,405 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 03:16:13,407 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 03:16:13,407 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 03:16:13,407 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 03:16:13,408 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 03:16:13,408 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 03:16:13,408 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 03:16:13,408 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 03:16:13,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 03:16:13,411 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 03:16:13,412 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 03:16:13,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 03:16:13,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 03:16:13,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 03:16:13,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 03:16:13,413 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 03:16:13,413 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 03:16:13,413 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 03:16:13,414 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 03:16:13,414 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 03:16:13,414 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 03:16:13,415 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 03:16:13,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 03:16:13,415 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 03:16:13,415 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 03:16:13,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:16:13,416 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 03:16:13,416 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 03:16:13,416 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 03:16:13,417 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 03:16:13,417 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 03:16:13,417 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 03:16:13,418 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 03:16:13,418 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 03:16:13,418 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_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 617eaa0242fb4a2f0fbdac83184f4c0ff716c3b2 [2021-10-16 03:16:13,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 03:16:13,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 03:16:13,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 03:16:13,958 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 03:16:13,959 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 03:16:13,962 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/float-benchs/cast_float_ptr.c [2021-10-16 03:16:14,051 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs/data/d21489d38/27452521e17c45ed91c04a44f5da8b29/FLAG5bb60a1ed [2021-10-16 03:16:14,580 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 03:16:14,581 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/sv-benchmarks/c/float-benchs/cast_float_ptr.c [2021-10-16 03:16:14,587 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs/data/d21489d38/27452521e17c45ed91c04a44f5da8b29/FLAG5bb60a1ed [2021-10-16 03:16:14,969 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs/data/d21489d38/27452521e17c45ed91c04a44f5da8b29 [2021-10-16 03:16:14,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 03:16:14,974 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 03:16:14,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 03:16:14,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 03:16:14,982 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 03:16:14,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:16:14" (1/1) ... [2021-10-16 03:16:14,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@732075f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:14, skipping insertion in model container [2021-10-16 03:16:14,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:16:14" (1/1) ... [2021-10-16 03:16:14,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 03:16:15,006 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:16:15,130 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2021-10-16 03:16:15,146 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:16:15,160 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 03:16:15,171 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2021-10-16 03:16:15,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:16:15,195 INFO L208 MainTranslator]: Completed translation [2021-10-16 03:16:15,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:15 WrapperNode [2021-10-16 03:16:15,195 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 03:16:15,196 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 03:16:15,197 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 03:16:15,197 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 03:16:15,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:15" (1/1) ... [2021-10-16 03:16:15,221 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:15" (1/1) ... [2021-10-16 03:16:15,241 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 03:16:15,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 03:16:15,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 03:16:15,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 03:16:15,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:15" (1/1) ... [2021-10-16 03:16:15,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:15" (1/1) ... [2021-10-16 03:16:15,262 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:15" (1/1) ... [2021-10-16 03:16:15,262 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:15" (1/1) ... [2021-10-16 03:16:15,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:15" (1/1) ... [2021-10-16 03:16:15,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:15" (1/1) ... [2021-10-16 03:16:15,286 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:15" (1/1) ... [2021-10-16 03:16:15,290 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 03:16:15,291 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 03:16:15,291 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 03:16:15,291 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 03:16:15,292 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:15" (1/1) ... [2021-10-16 03:16:15,299 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:16:15,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:16:15,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 03:16:15,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 03:16:15,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-16 03:16:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-16 03:16:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 03:16:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 03:16:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-16 03:16:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-16 03:16:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 03:16:15,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 03:16:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-16 03:16:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-16 03:16:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 03:16:15,819 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 03:16:15,819 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-16 03:16:15,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:16:15 BoogieIcfgContainer [2021-10-16 03:16:15,821 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 03:16:15,823 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 03:16:15,823 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 03:16:15,826 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 03:16:15,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:16:14" (1/3) ... [2021-10-16 03:16:15,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a9b6d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:16:15, skipping insertion in model container [2021-10-16 03:16:15,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:16:15" (2/3) ... [2021-10-16 03:16:15,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a9b6d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:16:15, skipping insertion in model container [2021-10-16 03:16:15,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:16:15" (3/3) ... [2021-10-16 03:16:15,829 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2021-10-16 03:16:15,835 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 03:16:15,835 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 03:16:15,887 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 03:16:15,892 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 03:16:15,893 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 03:16:15,912 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:16:15,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-16 03:16:15,922 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:16:15,923 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:16:15,923 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:16:15,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:16:15,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1271567759, now seen corresponding path program 1 times [2021-10-16 03:16:15,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:16:15,959 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1693863892] [2021-10-16 03:16:15,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:16:15,960 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:16:15,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:16:15,964 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:16:15,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 03:16:16,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:16:16,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-16 03:16:16,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:16:16,295 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-10-16 03:16:16,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 62 [2021-10-16 03:16:16,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:16:16,948 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:16:17,585 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-16 03:16:17,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 3017 treesize of output 1 [2021-10-16 03:16:17,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:16:17,592 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:16:17,593 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1693863892] [2021-10-16 03:16:17,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1693863892] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:16:17,594 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:16:17,594 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 7] imperfect sequences [] total 11 [2021-10-16 03:16:17,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216839516] [2021-10-16 03:16:17,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 03:16:17,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:16:17,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 03:16:17,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-10-16 03:16:17,620 INFO L87 Difference]: Start difference. First operand has 16 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 11 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:16:19,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:16:19,529 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2021-10-16 03:16:19,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-16 03:16:19,531 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 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 9 [2021-10-16 03:16:19,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:16:19,537 INFO L225 Difference]: With dead ends: 32 [2021-10-16 03:16:19,538 INFO L226 Difference]: Without dead ends: 10 [2021-10-16 03:16:19,540 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 901.9ms TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2021-10-16 03:16:19,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2021-10-16 03:16:19,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-10-16 03:16:19,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.0) internal successors, (9), 9 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:16:19,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9 transitions. [2021-10-16 03:16:19,562 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 9 transitions. Word has length 9 [2021-10-16 03:16:19,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:16:19,563 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 9 transitions. [2021-10-16 03:16:19,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:16:19,564 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2021-10-16 03:16:19,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-16 03:16:19,564 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:16:19,564 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:16:19,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-16 03:16:19,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:16:19,768 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:16:19,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:16:19,768 INFO L82 PathProgramCache]: Analyzing trace with hash 1271627341, now seen corresponding path program 1 times [2021-10-16 03:16:19,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:16:19,770 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [675714440] [2021-10-16 03:16:19,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:16:19,770 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:16:19,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:16:19,772 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:16:19,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-16 03:16:19,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 03:16:19,945 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 03:16:20,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 03:16:20,102 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-16 03:16:20,102 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-16 03:16:20,104 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 03:16:20,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-16 03:16:20,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:16:20,313 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 03:16:20,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 03:16:20 BoogieIcfgContainer [2021-10-16 03:16:20,350 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 03:16:20,351 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 03:16:20,351 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 03:16:20,352 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 03:16:20,352 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:16:15" (3/4) ... [2021-10-16 03:16:20,354 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-16 03:16:20,433 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs/witness.graphml [2021-10-16 03:16:20,435 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 03:16:20,437 INFO L168 Benchmark]: Toolchain (without parser) took 5462.56 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 44.7 MB in the beginning and 43.9 MB in the end (delta: 765.7 kB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. [2021-10-16 03:16:20,441 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 65.0 MB. Free memory is still 45.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:16:20,443 INFO L168 Benchmark]: CACSL2BoogieTranslator took 220.44 ms. Allocated memory is still 65.0 MB. Free memory was 44.6 MB in the beginning and 34.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 03:16:20,443 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.51 ms. Allocated memory is still 65.0 MB. Free memory was 34.1 MB in the beginning and 47.7 MB in the end (delta: -13.7 MB). Peak memory consumption was 3.0 MB. Max. memory is 16.1 GB. [2021-10-16 03:16:20,444 INFO L168 Benchmark]: Boogie Preprocessor took 48.48 ms. Allocated memory is still 65.0 MB. Free memory was 47.5 MB in the beginning and 46.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 03:16:20,445 INFO L168 Benchmark]: RCFGBuilder took 530.70 ms. Allocated memory is still 65.0 MB. Free memory was 46.1 MB in the beginning and 34.4 MB in the end (delta: 11.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 03:16:20,447 INFO L168 Benchmark]: TraceAbstraction took 4527.31 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 33.7 MB in the beginning and 46.0 MB in the end (delta: -12.3 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. [2021-10-16 03:16:20,447 INFO L168 Benchmark]: Witness Printer took 84.57 ms. Allocated memory is still 79.7 MB. Free memory was 46.0 MB in the beginning and 43.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 03:16:20,452 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 65.0 MB. Free memory is still 45.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 220.44 ms. Allocated memory is still 65.0 MB. Free memory was 44.6 MB in the beginning and 34.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.51 ms. Allocated memory is still 65.0 MB. Free memory was 34.1 MB in the beginning and 47.7 MB in the end (delta: -13.7 MB). Peak memory consumption was 3.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.48 ms. Allocated memory is still 65.0 MB. Free memory was 47.5 MB in the beginning and 46.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 530.70 ms. Allocated memory is still 65.0 MB. Free memory was 46.1 MB in the beginning and 34.4 MB in the end (delta: 11.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4527.31 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 33.7 MB in the beginning and 46.0 MB in the end (delta: -12.3 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. * Witness Printer took 84.57 ms. Allocated memory is still 79.7 MB. Free memory was 46.0 MB in the beginning and 43.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 5]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L34] double a; [L35] float r; [L37] a = __VERIFIER_nondet_double() [L10] double dmax; [L11] float f; [L13] EXPR \read(d) [L13] COND FALSE !((((*(unsigned*)&d) & 0x7FF00000) >> 20) == 2047) [L15] ((unsigned*)&dmax)[0] = 0x47efffff [L16] ((unsigned*)&dmax)[1] = 0xe0000000 [L18] EXPR \read(d) [L18] EXPR \read(dmax) [L18] COND FALSE !(d > dmax) [L21] EXPR \read(d) [L21] EXPR \read(dmax) [L21] COND FALSE !(-d > dmax) [L25] EXPR \read(d) [L25] d >= -3.41e38 && d <= 3.41e38 [L5] COND TRUE !(cond) [L5] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4425.2ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 19.7ms, AutomataDifference: 1937.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 15 SDtfs, 22 SDslu, 62 SDs, 0 SdLazy, 87 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1620.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 901.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 10.9ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 40.5ms SsaConstructionTime, 160.2ms SatisfiabilityAnalysisTime, 1471.4ms InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 3 QuantifiedInterpolants, 604 SizeOfPredicates, 8 NumberOfNonLiveVariables, 58 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-16 03:16:20,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c23cdb4-7b5c-460b-975a-1274df417451/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...