./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 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_float_ptr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8 --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_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_float_ptr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8 --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-4e77c04 [2021-10-13 06:56:00,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 06:56:00,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 06:56:00,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 06:56:00,067 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 06:56:00,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 06:56:00,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 06:56:00,079 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 06:56:00,083 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 06:56:00,090 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 06:56:00,091 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 06:56:00,093 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 06:56:00,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 06:56:00,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 06:56:00,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 06:56:00,107 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 06:56:00,109 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 06:56:00,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 06:56:00,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 06:56:00,125 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 06:56:00,129 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 06:56:00,131 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 06:56:00,134 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 06:56:00,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 06:56:00,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 06:56:00,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 06:56:00,145 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 06:56:00,146 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 06:56:00,148 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 06:56:00,149 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 06:56:00,150 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 06:56:00,151 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 06:56:00,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 06:56:00,154 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 06:56:00,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 06:56:00,156 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 06:56:00,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 06:56:00,157 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 06:56:00,158 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 06:56:00,159 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 06:56:00,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 06:56:00,160 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 06:56:00,201 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 06:56:00,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 06:56:00,202 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 06:56:00,202 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 06:56:00,203 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 06:56:00,203 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 06:56:00,203 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 06:56:00,203 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 06:56:00,204 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 06:56:00,204 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 06:56:00,204 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 06:56:00,204 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 06:56:00,205 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 06:56:00,205 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 06:56:00,205 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 06:56:00,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 06:56:00,206 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 06:56:00,206 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 06:56:00,206 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 06:56:00,207 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 06:56:00,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 06:56:00,207 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 06:56:00,207 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 06:56:00,207 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 06:56:00,208 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 06:56:00,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 06:56:00,208 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 06:56:00,208 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 06:56:00,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 06:56:00,209 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 06:56:00,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:56:00,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 06:56:00,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 06:56:00,210 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 06:56:00,210 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 06:56:00,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 06:56:00,210 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 06:56:00,211 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 06:56:00,211 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 06:56:00,211 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_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 617eaa0242fb4a2f0fbdac83184f4c0ff716c3b2 [2021-10-13 06:56:00,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 06:56:00,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 06:56:00,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 06:56:00,524 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 06:56:00,525 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 06:56:00,526 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/float-benchs/cast_float_ptr.c [2021-10-13 06:56:00,613 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8/data/9493f7ee7/a4e95af669df413aa606cfcb153a72f2/FLAGffd18648f [2021-10-13 06:56:01,125 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 06:56:01,126 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/sv-benchmarks/c/float-benchs/cast_float_ptr.c [2021-10-13 06:56:01,134 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8/data/9493f7ee7/a4e95af669df413aa606cfcb153a72f2/FLAGffd18648f [2021-10-13 06:56:01,476 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8/data/9493f7ee7/a4e95af669df413aa606cfcb153a72f2 [2021-10-13 06:56:01,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 06:56:01,481 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 06:56:01,483 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 06:56:01,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 06:56:01,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 06:56:01,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:56:01" (1/1) ... [2021-10-13 06:56:01,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1baf03e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:56:01, skipping insertion in model container [2021-10-13 06:56:01,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:56:01" (1/1) ... [2021-10-13 06:56:01,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 06:56:01,510 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:56:01,683 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_e99261d7-1eb9-43d2-93d2-62a545770ce6/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2021-10-13 06:56:01,728 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:56:01,744 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 06:56:01,765 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_e99261d7-1eb9-43d2-93d2-62a545770ce6/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2021-10-13 06:56:01,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:56:01,798 INFO L208 MainTranslator]: Completed translation [2021-10-13 06:56:01,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:56:01 WrapperNode [2021-10-13 06:56:01,799 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 06:56:01,800 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 06:56:01,800 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 06:56:01,800 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 06:56:01,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:56:01" (1/1) ... [2021-10-13 06:56:01,816 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:56:01" (1/1) ... [2021-10-13 06:56:01,851 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 06:56:01,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 06:56:01,853 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 06:56:01,854 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 06:56:01,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:56:01" (1/1) ... [2021-10-13 06:56:01,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:56:01" (1/1) ... [2021-10-13 06:56:01,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:56:01" (1/1) ... [2021-10-13 06:56:01,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:56:01" (1/1) ... [2021-10-13 06:56:01,876 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:56:01" (1/1) ... [2021-10-13 06:56:01,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:56:01" (1/1) ... [2021-10-13 06:56:01,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:56:01" (1/1) ... [2021-10-13 06:56:01,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 06:56:01,885 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 06:56:01,885 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 06:56:01,885 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 06:56:01,887 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:56:01" (1/1) ... [2021-10-13 06:56:01,900 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:56:01,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 06:56:01,944 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 06:56:01,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 06:56:02,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 06:56:02,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 06:56:02,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-13 06:56:02,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 06:56:02,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-13 06:56:02,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 06:56:02,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 06:56:02,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 06:56:02,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 06:56:02,454 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 06:56:02,454 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-13 06:56:02,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:56:02 BoogieIcfgContainer [2021-10-13 06:56:02,457 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 06:56:02,459 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 06:56:02,459 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 06:56:02,462 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 06:56:02,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:56:01" (1/3) ... [2021-10-13 06:56:02,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4052bb55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:56:02, skipping insertion in model container [2021-10-13 06:56:02,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:56:01" (2/3) ... [2021-10-13 06:56:02,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4052bb55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:56:02, skipping insertion in model container [2021-10-13 06:56:02,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:56:02" (3/3) ... [2021-10-13 06:56:02,466 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2021-10-13 06:56:02,472 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 06:56:02,472 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 06:56:02,525 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 06:56:02,534 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 [2021-10-13 06:56:02,534 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 06:56:02,549 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) [2021-10-13 06:56:02,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 06:56:02,554 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:56:02,555 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-13 06:56:02,555 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:56:02,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:56:02,561 INFO L82 PathProgramCache]: Analyzing trace with hash 2125426307, now seen corresponding path program 1 times [2021-10-13 06:56:02,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:56:02,573 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141572003] [2021-10-13 06:56:02,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:56:02,574 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:56:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 06:56:02,720 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 06:56:02,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 06:56:02,799 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-13 06:56:02,802 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 06:56:02,803 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:56:02,806 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 06:56:02,814 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 06:56:02,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 06:56:02 BoogieIcfgContainer [2021-10-13 06:56:02,842 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 06:56:02,843 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 06:56:02,843 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 06:56:02,843 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 06:56:02,844 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:56:02" (3/4) ... [2021-10-13 06:56:02,848 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 06:56:02,848 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 06:56:02,850 INFO L168 Benchmark]: Toolchain (without parser) took 1368.02 ms. Allocated memory is still 134.2 MB. Free memory was 98.6 MB in the beginning and 77.8 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.0 MB. Max. memory is 16.1 GB. [2021-10-13 06:56:02,851 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 86.0 MB. Free memory was 56.3 MB in the beginning and 56.2 MB in the end (delta: 28.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:56:02,852 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.38 ms. Allocated memory is still 134.2 MB. Free memory was 98.3 MB in the beginning and 110.2 MB in the end (delta: -11.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 06:56:02,852 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.81 ms. Allocated memory is still 134.2 MB. Free memory was 110.2 MB in the beginning and 108.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 06:56:02,853 INFO L168 Benchmark]: Boogie Preprocessor took 30.78 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 107.5 MB in the end (delta: 877.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 06:56:02,854 INFO L168 Benchmark]: RCFGBuilder took 572.17 ms. Allocated memory is still 134.2 MB. Free memory was 107.2 MB in the beginning and 93.8 MB in the end (delta: 13.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 06:56:02,855 INFO L168 Benchmark]: TraceAbstraction took 383.77 ms. Allocated memory is still 134.2 MB. Free memory was 93.3 MB in the beginning and 78.2 MB in the end (delta: 15.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-13 06:56:02,855 INFO L168 Benchmark]: Witness Printer took 4.84 ms. Allocated memory is still 134.2 MB. Free memory was 78.2 MB in the beginning and 77.8 MB in the end (delta: 382.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:56:02,859 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 86.0 MB. Free memory was 56.3 MB in the beginning and 56.2 MB in the end (delta: 28.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 316.38 ms. Allocated memory is still 134.2 MB. Free memory was 98.3 MB in the beginning and 110.2 MB in the end (delta: -11.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 51.81 ms. Allocated memory is still 134.2 MB. Free memory was 110.2 MB in the beginning and 108.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.78 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 107.5 MB in the end (delta: 877.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 572.17 ms. Allocated memory is still 134.2 MB. Free memory was 107.2 MB in the beginning and 93.8 MB in the end (delta: 13.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 383.77 ms. Allocated memory is still 134.2 MB. Free memory was 93.3 MB in the beginning and 78.2 MB in the end (delta: 15.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Witness Printer took 4.84 ms. Allocated memory is still 134.2 MB. Free memory was 78.2 MB in the beginning and 77.8 MB in the end (delta: 382.3 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: 289.1ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 8.8ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.8ms, 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: 13.0ms SsaConstructionTime, 74.9ms 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 [2021-10-13 06:56:02,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8/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-4e77c04 [2021-10-13 06:56:05,525 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 06:56:05,527 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 06:56:05,558 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 06:56:05,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 06:56:05,560 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 06:56:05,561 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 06:56:05,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 06:56:05,566 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 06:56:05,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 06:56:05,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 06:56:05,570 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 06:56:05,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 06:56:05,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 06:56:05,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 06:56:05,575 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 06:56:05,576 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 06:56:05,577 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 06:56:05,579 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 06:56:05,581 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 06:56:05,583 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 06:56:05,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 06:56:05,589 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 06:56:05,590 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 06:56:05,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 06:56:05,594 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 06:56:05,595 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 06:56:05,600 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 06:56:05,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 06:56:05,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 06:56:05,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 06:56:05,606 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 06:56:05,608 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 06:56:05,609 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 06:56:05,610 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 06:56:05,610 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 06:56:05,611 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 06:56:05,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 06:56:05,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 06:56:05,613 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 06:56:05,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 06:56:05,615 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 06:56:05,663 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 06:56:05,663 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 06:56:05,664 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 06:56:05,665 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 06:56:05,665 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 06:56:05,665 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 06:56:05,665 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 06:56:05,665 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 06:56:05,666 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 06:56:05,667 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 06:56:05,668 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 06:56:05,668 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 06:56:05,668 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 06:56:05,668 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 06:56:05,669 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 06:56:05,669 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 06:56:05,669 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 06:56:05,669 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 06:56:05,669 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 06:56:05,669 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 06:56:05,670 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 06:56:05,670 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 06:56:05,670 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 06:56:05,670 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 06:56:05,670 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 06:56:05,671 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 06:56:05,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:56:05,671 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 06:56:05,671 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 06:56:05,672 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 06:56:05,672 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 06:56:05,672 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 06:56:05,672 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 06:56:05,672 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 06:56:05,673 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 06:56:05,673 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_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 617eaa0242fb4a2f0fbdac83184f4c0ff716c3b2 [2021-10-13 06:56:06,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 06:56:06,079 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 06:56:06,082 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 06:56:06,083 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 06:56:06,084 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 06:56:06,087 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/float-benchs/cast_float_ptr.c [2021-10-13 06:56:06,151 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8/data/2c990c818/01d586e2a017471c9f9f82f09cf92176/FLAG4aa7550b1 [2021-10-13 06:56:06,648 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 06:56:06,649 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/sv-benchmarks/c/float-benchs/cast_float_ptr.c [2021-10-13 06:56:06,655 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8/data/2c990c818/01d586e2a017471c9f9f82f09cf92176/FLAG4aa7550b1 [2021-10-13 06:56:07,054 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8/data/2c990c818/01d586e2a017471c9f9f82f09cf92176 [2021-10-13 06:56:07,057 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 06:56:07,059 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 06:56:07,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 06:56:07,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 06:56:07,074 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 06:56:07,075 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:56:07" (1/1) ... [2021-10-13 06:56:07,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36d2a3cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:56:07, skipping insertion in model container [2021-10-13 06:56:07,077 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:56:07" (1/1) ... [2021-10-13 06:56:07,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 06:56:07,112 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:56:07,250 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_e99261d7-1eb9-43d2-93d2-62a545770ce6/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2021-10-13 06:56:07,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:56:07,283 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 06:56:07,296 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_e99261d7-1eb9-43d2-93d2-62a545770ce6/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2021-10-13 06:56:07,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:56:07,341 INFO L208 MainTranslator]: Completed translation [2021-10-13 06:56:07,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:56:07 WrapperNode [2021-10-13 06:56:07,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 06:56:07,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 06:56:07,344 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 06:56:07,344 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 06:56:07,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:56:07" (1/1) ... [2021-10-13 06:56:07,417 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:56:07" (1/1) ... [2021-10-13 06:56:07,447 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 06:56:07,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 06:56:07,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 06:56:07,448 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 06:56:07,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:56:07" (1/1) ... [2021-10-13 06:56:07,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:56:07" (1/1) ... [2021-10-13 06:56:07,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:56:07" (1/1) ... [2021-10-13 06:56:07,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:56:07" (1/1) ... [2021-10-13 06:56:07,490 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:56:07" (1/1) ... [2021-10-13 06:56:07,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:56:07" (1/1) ... [2021-10-13 06:56:07,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:56:07" (1/1) ... [2021-10-13 06:56:07,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 06:56:07,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 06:56:07,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 06:56:07,510 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 06:56:07,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:56:07" (1/1) ... [2021-10-13 06:56:07,518 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:56:07,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 06:56:07,540 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 06:56:07,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 06:56:07,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-13 06:56:07,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-13 06:56:07,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 06:56:07,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 06:56:07,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-13 06:56:07,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 06:56:07,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 06:56:07,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 06:56:07,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-13 06:56:07,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 06:56:07,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 06:56:08,098 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 06:56:08,099 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-13 06:56:08,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:56:08 BoogieIcfgContainer [2021-10-13 06:56:08,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 06:56:08,102 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 06:56:08,102 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 06:56:08,110 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 06:56:08,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:56:07" (1/3) ... [2021-10-13 06:56:08,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@513fcfc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:56:08, skipping insertion in model container [2021-10-13 06:56:08,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:56:07" (2/3) ... [2021-10-13 06:56:08,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@513fcfc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:56:08, skipping insertion in model container [2021-10-13 06:56:08,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:56:08" (3/3) ... [2021-10-13 06:56:08,114 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2021-10-13 06:56:08,119 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 06:56:08,119 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 06:56:08,187 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 06:56:08,201 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 [2021-10-13 06:56:08,202 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 06:56:08,218 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) [2021-10-13 06:56:08,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 06:56:08,233 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:56:08,233 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:56:08,234 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:56:08,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:56:08,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1271567759, now seen corresponding path program 1 times [2021-10-13 06:56:08,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:56:08,264 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [148321848] [2021-10-13 06:56:08,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:56:08,266 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:56:08,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:56:08,269 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:56:08,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 06:56:08,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:56:08,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-13 06:56:08,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:56:08,616 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-10-13 06:56:08,617 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 [2021-10-13 06:56:09,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:56:09,144 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:56:09,792 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-13 06:56:09,793 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 [2021-10-13 06:56:09,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:56:09,798 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:56:09,799 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [148321848] [2021-10-13 06:56:09,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [148321848] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:56:09,800 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:56:09,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 7] imperfect sequences [] total 11 [2021-10-13 06:56:09,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744319554] [2021-10-13 06:56:09,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-13 06:56:09,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:56:09,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-13 06:56:09,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-10-13 06:56:09,827 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) [2021-10-13 06:56:11,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:56:11,547 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2021-10-13 06:56:11,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 06:56:11,550 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 [2021-10-13 06:56:11,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:56:11,558 INFO L225 Difference]: With dead ends: 32 [2021-10-13 06:56:11,558 INFO L226 Difference]: Without dead ends: 10 [2021-10-13 06:56:11,562 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 824.0ms TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2021-10-13 06:56:11,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2021-10-13 06:56:11,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-10-13 06:56:11,591 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) [2021-10-13 06:56:11,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9 transitions. [2021-10-13 06:56:11,593 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 9 transitions. Word has length 9 [2021-10-13 06:56:11,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:56:11,594 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 9 transitions. [2021-10-13 06:56:11,594 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) [2021-10-13 06:56:11,595 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2021-10-13 06:56:11,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 06:56:11,595 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:56:11,596 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:56:11,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 06:56:11,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:56:11,810 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:56:11,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:56:11,811 INFO L82 PathProgramCache]: Analyzing trace with hash 1271627341, now seen corresponding path program 1 times [2021-10-13 06:56:11,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:56:11,812 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1420097952] [2021-10-13 06:56:11,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:56:11,812 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:56:11,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:56:11,815 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:56:11,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 06:56:11,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 06:56:11,980 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 06:56:12,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 06:56:12,112 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-13 06:56:12,113 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 06:56:12,114 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:56:12,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-13 06:56:12,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:56:12,324 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 06:56:12,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 06:56:12 BoogieIcfgContainer [2021-10-13 06:56:12,354 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 06:56:12,355 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 06:56:12,355 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 06:56:12,355 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 06:56:12,355 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:56:08" (3/4) ... [2021-10-13 06:56:12,358 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-13 06:56:12,416 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 06:56:12,416 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 06:56:12,418 INFO L168 Benchmark]: Toolchain (without parser) took 5357.87 ms. Allocated memory was 54.5 MB in the beginning and 77.6 MB in the end (delta: 23.1 MB). Free memory was 32.9 MB in the beginning and 41.8 MB in the end (delta: -8.9 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. [2021-10-13 06:56:12,418 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 54.5 MB. Free memory is still 35.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:56:12,419 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.48 ms. Allocated memory is still 54.5 MB. Free memory was 32.7 MB in the beginning and 37.5 MB in the end (delta: -4.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 06:56:12,420 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.91 ms. Allocated memory was 54.5 MB in the beginning and 77.6 MB in the end (delta: 23.1 MB). Free memory was 37.5 MB in the beginning and 60.3 MB in the end (delta: -22.8 MB). Peak memory consumption was 4.1 MB. Max. memory is 16.1 GB. [2021-10-13 06:56:12,420 INFO L168 Benchmark]: Boogie Preprocessor took 61.41 ms. Allocated memory is still 77.6 MB. Free memory was 60.3 MB in the beginning and 59.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 06:56:12,424 INFO L168 Benchmark]: RCFGBuilder took 590.44 ms. Allocated memory is still 77.6 MB. Free memory was 59.1 MB in the beginning and 46.9 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 06:56:12,432 INFO L168 Benchmark]: TraceAbstraction took 4251.87 ms. Allocated memory is still 77.6 MB. Free memory was 46.5 MB in the beginning and 43.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.5 MB. Max. memory is 16.1 GB. [2021-10-13 06:56:12,433 INFO L168 Benchmark]: Witness Printer took 61.65 ms. Allocated memory is still 77.6 MB. Free memory was 43.9 MB in the beginning and 41.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 06:56:12,442 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 54.5 MB. Free memory is still 35.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 281.48 ms. Allocated memory is still 54.5 MB. Free memory was 32.7 MB in the beginning and 37.5 MB in the end (delta: -4.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 103.91 ms. Allocated memory was 54.5 MB in the beginning and 77.6 MB in the end (delta: 23.1 MB). Free memory was 37.5 MB in the beginning and 60.3 MB in the end (delta: -22.8 MB). Peak memory consumption was 4.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.41 ms. Allocated memory is still 77.6 MB. Free memory was 60.3 MB in the beginning and 59.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 590.44 ms. Allocated memory is still 77.6 MB. Free memory was 59.1 MB in the beginning and 46.9 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4251.87 ms. Allocated memory is still 77.6 MB. Free memory was 46.5 MB in the beginning and 43.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.5 MB. Max. memory is 16.1 GB. * Witness Printer took 61.65 ms. Allocated memory is still 77.6 MB. Free memory was 43.9 MB in the beginning and 41.8 MB in the end (delta: 2.1 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: 4136.7ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 19.2ms, AutomataDifference: 1752.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 15 SDtfs, 22 SDslu, 62 SDs, 0 SdLazy, 87 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1474.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 824.0ms 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: 15.4ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 50.4ms SsaConstructionTime, 205.4ms SatisfiabilityAnalysisTime, 1323.6ms 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! [2021-10-13 06:56:12,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99261d7-1eb9-43d2-93d2-62a545770ce6/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...