./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0834.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_518b254a-2766-40f6-8dda-1e2ffd643913/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518b254a-2766-40f6-8dda-1e2ffd643913/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_518b254a-2766-40f6-8dda-1e2ffd643913/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518b254a-2766-40f6-8dda-1e2ffd643913/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0834.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518b254a-2766-40f6-8dda-1e2ffd643913/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_518b254a-2766-40f6-8dda-1e2ffd643913/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 78ea4619176830aa2eaba3eb142f65766ef4226b ...................................................................................................................................................................................................................................................................................................................................................... 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_518b254a-2766-40f6-8dda-1e2ffd643913/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518b254a-2766-40f6-8dda-1e2ffd643913/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_518b254a-2766-40f6-8dda-1e2ffd643913/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518b254a-2766-40f6-8dda-1e2ffd643913/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0834.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518b254a-2766-40f6-8dda-1e2ffd643913/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_518b254a-2766-40f6-8dda-1e2ffd643913/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 78ea4619176830aa2eaba3eb142f65766ef4226b ....................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:52:12,728 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:52:12,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:52:12,809 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:52:12,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:52:12,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:52:12,823 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:52:12,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:52:12,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:52:12,843 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:52:12,844 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:52:12,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:52:12,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:52:12,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:52:12,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:52:12,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:52:12,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:52:12,867 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:52:12,875 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:52:12,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:52:12,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:52:12,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:52:12,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:52:12,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:52:12,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:52:12,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:52:12,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:52:12,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:52:12,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:52:12,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:52:12,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:52:12,905 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:52:12,906 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:52:12,908 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:52:12,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:52:12,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:52:12,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:52:12,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:52:12,911 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:52:12,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:52:12,913 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:52:12,915 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518b254a-2766-40f6-8dda-1e2ffd643913/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 02:52:12,948 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:52:12,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:52:12,950 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:52:12,951 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:52:12,951 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:52:12,951 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:52:12,952 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:52:12,952 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:52:12,952 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:52:12,952 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:52:12,953 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:52:12,953 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:52:12,954 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:52:12,954 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:52:12,954 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:52:12,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:52:12,956 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:52:12,956 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:52:12,956 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:52:12,957 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:52:12,957 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:52:12,957 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:52:12,958 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:52:12,958 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:52:12,958 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:52:12,959 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:52:12,959 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:52:12,959 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:52:12,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:52:12,960 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:52:12,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:52:12,961 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:52:12,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:52:12,961 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:52:12,962 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:52:12,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:52:12,962 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:52:12,963 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:52:12,963 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:52:12,963 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_518b254a-2766-40f6-8dda-1e2ffd643913/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518b254a-2766-40f6-8dda-1e2ffd643913/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78ea4619176830aa2eaba3eb142f65766ef4226b [2021-10-16 02:52:13,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:52:13,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:52:13,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:52:13,303 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:52:13,305 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:52:13,306 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518b254a-2766-40f6-8dda-1e2ffd643913/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/float-newlib/double_req_bl_0834.c [2021-10-16 02:52:13,409 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518b254a-2766-40f6-8dda-1e2ffd643913/bin/utaipan-mTDlp9Zugs/data/3b6ea787e/3c5957878d7a4847b6df85ed2022dfb2/FLAGc5ade3bc2 [2021-10-16 02:52:14,051 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:52:14,052 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518b254a-2766-40f6-8dda-1e2ffd643913/sv-benchmarks/c/float-newlib/double_req_bl_0834.c [2021-10-16 02:52:14,062 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518b254a-2766-40f6-8dda-1e2ffd643913/bin/utaipan-mTDlp9Zugs/data/3b6ea787e/3c5957878d7a4847b6df85ed2022dfb2/FLAGc5ade3bc2 [2021-10-16 02:52:14,381 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518b254a-2766-40f6-8dda-1e2ffd643913/bin/utaipan-mTDlp9Zugs/data/3b6ea787e/3c5957878d7a4847b6df85ed2022dfb2 [2021-10-16 02:52:14,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:52:14,393 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:52:14,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:52:14,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:52:14,403 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:52:14,404 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:52:14" (1/1) ... [2021-10-16 02:52:14,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73443667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:52:14, skipping insertion in model container [2021-10-16 02:52:14,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:52:14" (1/1) ... [2021-10-16 02:52:14,429 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:52:14,454 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:52:14,727 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_518b254a-2766-40f6-8dda-1e2ffd643913/sv-benchmarks/c/float-newlib/double_req_bl_0834.c[4256,4269] [2021-10-16 02:52:14,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:52:14,741 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:52:14,793 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_518b254a-2766-40f6-8dda-1e2ffd643913/sv-benchmarks/c/float-newlib/double_req_bl_0834.c[4256,4269] [2021-10-16 02:52:14,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:52:14,814 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:52:14,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:52:14 WrapperNode [2021-10-16 02:52:14,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:52:14,817 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:52:14,817 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:52:14,817 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:52:14,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:52:14" (1/1) ... [2021-10-16 02:52:14,840 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:52:14" (1/1) ... [2021-10-16 02:52:14,896 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:52:14,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:52:14,898 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:52:14,898 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:52:14,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:52:14" (1/1) ... [2021-10-16 02:52:14,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:52:14" (1/1) ... [2021-10-16 02:52:14,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:52:14" (1/1) ... [2021-10-16 02:52:14,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:52:14" (1/1) ... [2021-10-16 02:52:14,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:52:14" (1/1) ... [2021-10-16 02:52:14,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:52:14" (1/1) ... [2021-10-16 02:52:14,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:52:14" (1/1) ... [2021-10-16 02:52:15,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:52:15,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:52:15,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:52:15,004 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:52:15,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:52:14" (1/1) ... [2021-10-16 02:52:15,017 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:52:15,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518b254a-2766-40f6-8dda-1e2ffd643913/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:52:15,049 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518b254a-2766-40f6-8dda-1e2ffd643913/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:52:15,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518b254a-2766-40f6-8dda-1e2ffd643913/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:52:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 02:52:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:52:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 02:52:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-16 02:52:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-16 02:52:15,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:52:15,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:52:15,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 02:52:15,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-16 02:52:15,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 02:52:15,852 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:52:15,853 INFO L299 CfgBuilder]: Removed 22 assume(true) statements. [2021-10-16 02:52:15,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:52:15 BoogieIcfgContainer [2021-10-16 02:52:15,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:52:15,863 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:52:15,863 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:52:15,867 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:52:15,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:52:14" (1/3) ... [2021-10-16 02:52:15,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aced4e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:52:15, skipping insertion in model container [2021-10-16 02:52:15,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:52:14" (2/3) ... [2021-10-16 02:52:15,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aced4e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:52:15, skipping insertion in model container [2021-10-16 02:52:15,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:52:15" (3/3) ... [2021-10-16 02:52:15,873 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0834.c [2021-10-16 02:52:15,891 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:52:15,891 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 02:52:15,948 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:52:15,956 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 02:52:15,956 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 02:52:15,975 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 34 states have (on average 1.7352941176470589) internal successors, (59), 35 states have internal predecessors, (59), 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 02:52:15,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-16 02:52:15,982 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:52:15,982 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:52:15,983 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:52:15,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:52:15,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1626355928, now seen corresponding path program 1 times [2021-10-16 02:52:16,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:52:16,002 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464921338] [2021-10-16 02:52:16,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:52:16,004 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:52:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:52:16,206 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 02:52:16,207 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:52:16,207 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464921338] [2021-10-16 02:52:16,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464921338] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:52:16,209 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:52:16,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 02:52:16,211 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731365452] [2021-10-16 02:52:16,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 02:52:16,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:52:16,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 02:52:16,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 02:52:16,237 INFO L87 Difference]: Start difference. First operand has 36 states, 34 states have (on average 1.7352941176470589) internal successors, (59), 35 states have internal predecessors, (59), 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 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:52:16,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:52:16,285 INFO L93 Difference]: Finished difference Result 71 states and 117 transitions. [2021-10-16 02:52:16,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 02:52:16,287 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-16 02:52:16,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:52:16,298 INFO L225 Difference]: With dead ends: 71 [2021-10-16 02:52:16,299 INFO L226 Difference]: Without dead ends: 34 [2021-10-16 02:52:16,302 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 02:52:16,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-10-16 02:52:16,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-10-16 02:52:16,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 33 states have internal predecessors, (42), 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 02:52:16,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2021-10-16 02:52:16,344 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 42 transitions. Word has length 11 [2021-10-16 02:52:16,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:52:16,344 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 42 transitions. [2021-10-16 02:52:16,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:52:16,345 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2021-10-16 02:52:16,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-16 02:52:16,346 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:52:16,347 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:52:16,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 02:52:16,348 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:52:16,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:52:16,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1720473580, now seen corresponding path program 1 times [2021-10-16 02:52:16,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:52:16,350 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558583241] [2021-10-16 02:52:16,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:52:16,351 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:52:16,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:52:16,560 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 02:52:16,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:52:16,771 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-16 02:52:16,772 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-16 02:52:16,775 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:52:16,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 02:52:16,787 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 02:52:16,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:52:16 BoogieIcfgContainer [2021-10-16 02:52:16,859 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 02:52:16,861 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 02:52:16,861 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 02:52:16,862 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 02:52:16,862 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:52:15" (3/4) ... [2021-10-16 02:52:16,866 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-16 02:52:16,866 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 02:52:16,869 INFO L168 Benchmark]: Toolchain (without parser) took 2474.29 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 67.3 MB in the beginning and 75.6 MB in the end (delta: -8.3 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. [2021-10-16 02:52:16,870 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 100.7 MB. Free memory is still 57.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:52:16,874 INFO L168 Benchmark]: CACSL2BoogieTranslator took 416.82 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 67.1 MB in the beginning and 93.8 MB in the end (delta: -26.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:52:16,876 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.17 ms. Allocated memory is still 121.6 MB. Free memory was 93.8 MB in the beginning and 91.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:52:16,883 INFO L168 Benchmark]: Boogie Preprocessor took 105.64 ms. Allocated memory is still 121.6 MB. Free memory was 91.7 MB in the beginning and 89.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:52:16,884 INFO L168 Benchmark]: RCFGBuilder took 857.01 ms. Allocated memory is still 121.6 MB. Free memory was 89.6 MB in the beginning and 69.0 MB in the end (delta: 20.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-16 02:52:16,884 INFO L168 Benchmark]: TraceAbstraction took 997.19 ms. Allocated memory is still 121.6 MB. Free memory was 68.6 MB in the beginning and 76.2 MB in the end (delta: -7.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:52:16,885 INFO L168 Benchmark]: Witness Printer took 5.49 ms. Allocated memory is still 121.6 MB. Free memory was 76.2 MB in the beginning and 75.6 MB in the end (delta: 663.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:52:16,895 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 100.7 MB. Free memory is still 57.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 416.82 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 67.1 MB in the beginning and 93.8 MB in the end (delta: -26.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 79.17 ms. Allocated memory is still 121.6 MB. Free memory was 93.8 MB in the beginning and 91.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 105.64 ms. Allocated memory is still 121.6 MB. Free memory was 91.7 MB in the beginning and 89.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 857.01 ms. Allocated memory is still 121.6 MB. Free memory was 89.6 MB in the beginning and 69.0 MB in the end (delta: 20.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 997.19 ms. Allocated memory is still 121.6 MB. Free memory was 68.6 MB in the beginning and 76.2 MB in the end (delta: -7.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.49 ms. Allocated memory is still 121.6 MB. Free memory was 76.2 MB in the beginning and 75.6 MB in the end (delta: 663.1 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: 160]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 143, overapproximation of someUnaryDOUBLEoperation at line 23, overapproximation of someBinaryArithmeticDOUBLEoperation at line 73, overapproximation of bitwiseAnd at line 142, overapproximation of someBinaryDOUBLEComparisonOperation at line 72. Possible FailurePath: [L19-L44] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; [L155] double x = 1.0 / 0.0; [L47] double y, hi, lo, c, t; [L48] __int32_t k = 0, xsb; [L49] __uint32_t hx; VAL [halF_exp={11:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={6:0}, ln2LO_exp={10:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L52] ieee_double_shape_type gh_u; [L53] gh_u.value = (x) [L54] EXPR gh_u.parts.msw [L54] (hx) = gh_u.parts.msw [L56] xsb = (hx >> 31) & 1 [L57] hx &= 0x7fffffff VAL [halF_exp={11:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={6:0}, ln2LO_exp={10:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L59] COND TRUE hx >= 0x40862E42 VAL [halF_exp={11:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={6:0}, ln2LO_exp={10:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L60] COND FALSE !(hx >= 0x7ff00000) VAL [halF_exp={11:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={6:0}, ln2LO_exp={10:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L72] COND TRUE x > o_threshold_exp [L73] return huge_exp * huge_exp; VAL [halF_exp={11:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={6:0}, ln2LO_exp={10:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L156] double res = __ieee754_exp(x); [L135] __int32_t hx, lx; VAL [halF_exp={11:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={6:0}, ln2LO_exp={10:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L137] ieee_double_shape_type ew_u; [L138] ew_u.value = (x) [L139] EXPR ew_u.parts.msw [L139] (hx) = ew_u.parts.msw [L140] EXPR ew_u.parts.lsw [L140] (lx) = ew_u.parts.lsw [L142] hx &= 0x7fffffff [L143] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L144] hx = 0x7ff00000 - hx [L145] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L159] COND TRUE !isinf_double(x) [L160] reach_error() VAL [halF_exp={11:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={6:0}, ln2LO_exp={10:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 840.2ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 12.8ms, AutomataDifference: 83.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 44 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 24.1ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 16.6ms SsaConstructionTime, 242.2ms SatisfiabilityAnalysisTime, 70.0ms InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-16 02:52:16,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518b254a-2766-40f6-8dda-1e2ffd643913/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 02:52:19,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:52:19,863 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:52:19,940 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:52:19,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:52:19,947 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:52:19,950 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:52:19,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:52:19,961 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:52:19,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:52:19,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:52:19,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:52:19,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:52:19,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:52:19,982 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:52:19,984 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:52:19,985 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:52:19,987 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:52:19,989 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:52:19,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:52:19,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:52:19,997 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:52:19,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:52:20,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:52:20,005 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:52:20,006 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:52:20,006 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:52:20,008 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:52:20,008 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:52:20,010 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:52:20,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:52:20,012 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:52:20,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:52:20,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:52:20,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:52:20,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:52:20,019 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:52:20,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:52:20,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:52:20,031 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:52:20,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:52:20,034 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518b254a-2766-40f6-8dda-1e2ffd643913/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 02:52:20,085 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:52:20,086 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:52:20,087 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:52:20,088 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:52:20,088 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:52:20,089 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:52:20,089 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:52:20,089 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:52:20,090 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:52:20,091 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:52:20,093 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:52:20,093 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:52:20,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:52:20,094 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:52:20,094 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:52:20,094 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:52:20,095 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:52:20,095 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 02:52:20,095 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 02:52:20,096 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:52:20,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:52:20,096 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:52:20,096 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:52:20,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:52:20,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 02:52:20,097 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:52:20,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:52:20,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:52:20,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:52:20,099 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:52:20,099 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 02:52:20,099 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 02:52:20,100 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:52:20,100 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:52:20,100 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:52:20,100 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_518b254a-2766-40f6-8dda-1e2ffd643913/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518b254a-2766-40f6-8dda-1e2ffd643913/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78ea4619176830aa2eaba3eb142f65766ef4226b [2021-10-16 02:52:20,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:52:20,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:52:20,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:52:20,581 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:52:20,582 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:52:20,586 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518b254a-2766-40f6-8dda-1e2ffd643913/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/float-newlib/double_req_bl_0834.c [2021-10-16 02:52:20,683 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518b254a-2766-40f6-8dda-1e2ffd643913/bin/utaipan-mTDlp9Zugs/data/c0c166c4c/d982443270134918aaf8006b04942ba1/FLAGaeccec2b7 [2021-10-16 02:52:21,311 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:52:21,312 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518b254a-2766-40f6-8dda-1e2ffd643913/sv-benchmarks/c/float-newlib/double_req_bl_0834.c [2021-10-16 02:52:21,322 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518b254a-2766-40f6-8dda-1e2ffd643913/bin/utaipan-mTDlp9Zugs/data/c0c166c4c/d982443270134918aaf8006b04942ba1/FLAGaeccec2b7 [2021-10-16 02:52:21,607 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518b254a-2766-40f6-8dda-1e2ffd643913/bin/utaipan-mTDlp9Zugs/data/c0c166c4c/d982443270134918aaf8006b04942ba1 [2021-10-16 02:52:21,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:52:21,616 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:52:21,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:52:21,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:52:21,623 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:52:21,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:52:21" (1/1) ... [2021-10-16 02:52:21,626 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@120a9edc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:52:21, skipping insertion in model container [2021-10-16 02:52:21,627 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:52:21" (1/1) ... [2021-10-16 02:52:21,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:52:21,689 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:52:21,910 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_518b254a-2766-40f6-8dda-1e2ffd643913/sv-benchmarks/c/float-newlib/double_req_bl_0834.c[4256,4269] [2021-10-16 02:52:21,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:52:21,936 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:52:22,046 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_518b254a-2766-40f6-8dda-1e2ffd643913/sv-benchmarks/c/float-newlib/double_req_bl_0834.c[4256,4269] [2021-10-16 02:52:22,046 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:52:22,090 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:52:22,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:52:22 WrapperNode [2021-10-16 02:52:22,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:52:22,093 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:52:22,093 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:52:22,094 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:52:22,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:52:22" (1/1) ... [2021-10-16 02:52:22,136 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:52:22" (1/1) ... [2021-10-16 02:52:22,197 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:52:22,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:52:22,200 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:52:22,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:52:22,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:52:22" (1/1) ... [2021-10-16 02:52:22,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:52:22" (1/1) ... [2021-10-16 02:52:22,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:52:22" (1/1) ... [2021-10-16 02:52:22,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:52:22" (1/1) ... [2021-10-16 02:52:22,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:52:22" (1/1) ... [2021-10-16 02:52:22,273 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:52:22" (1/1) ... [2021-10-16 02:52:22,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:52:22" (1/1) ... [2021-10-16 02:52:22,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:52:22,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:52:22,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:52:22,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:52:22,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:52:22" (1/1) ... [2021-10-16 02:52:22,314 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:52:22,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518b254a-2766-40f6-8dda-1e2ffd643913/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:52:22,345 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518b254a-2766-40f6-8dda-1e2ffd643913/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:52:22,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518b254a-2766-40f6-8dda-1e2ffd643913/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:52:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-16 02:52:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-16 02:52:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 02:52:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:52:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-10-16 02:52:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-16 02:52:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:52:22,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:52:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-16 02:52:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 02:52:35,765 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:52:35,766 INFO L299 CfgBuilder]: Removed 22 assume(true) statements. [2021-10-16 02:52:35,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:52:35 BoogieIcfgContainer [2021-10-16 02:52:35,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:52:35,771 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:52:35,771 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:52:35,775 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:52:35,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:52:21" (1/3) ... [2021-10-16 02:52:35,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e105745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:52:35, skipping insertion in model container [2021-10-16 02:52:35,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:52:22" (2/3) ... [2021-10-16 02:52:35,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e105745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:52:35, skipping insertion in model container [2021-10-16 02:52:35,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:52:35" (3/3) ... [2021-10-16 02:52:35,779 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0834.c [2021-10-16 02:52:35,786 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:52:35,787 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 02:52:35,864 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:52:35,872 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 02:52:35,873 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 02:52:35,902 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 41 states have (on average 1.6829268292682926) internal successors, (69), 42 states have internal predecessors, (69), 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 02:52:35,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-16 02:52:35,931 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:52:35,932 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:52:35,933 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:52:35,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:52:35,946 INFO L82 PathProgramCache]: Analyzing trace with hash -1546239330, now seen corresponding path program 1 times [2021-10-16 02:52:35,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:52:35,965 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1211051208] [2021-10-16 02:52:35,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:52:35,966 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:52:35,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518b254a-2766-40f6-8dda-1e2ffd643913/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:52:35,970 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518b254a-2766-40f6-8dda-1e2ffd643913/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:52:35,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518b254a-2766-40f6-8dda-1e2ffd643913/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 02:52:36,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518b254a-2766-40f6-8dda-1e2ffd643913/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 02:52:36,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518b254a-2766-40f6-8dda-1e2ffd643913/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:52:36,316 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:232) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:608) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:392) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.logic.NoopScript.annotate(NoopScript.java:577) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertCodeBlocks.java:192) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertConjunctsOfCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertConjunctsOfCodeBlocks.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertConjunctsOfCodeBlocks.annotateAndAssertConjuncts(AnnotateAndAssertConjunctsOfCodeBlocks.java:135) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertConjunctsOfCodeBlocks.annotateAndAssertNonCall(AnnotateAndAssertConjunctsOfCodeBlocks.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:101) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:312) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:211) ... 31 more [2021-10-16 02:52:36,321 INFO L168 Benchmark]: Toolchain (without parser) took 14703.05 ms. Allocated memory is still 62.9 MB. Free memory was 42.4 MB in the beginning and 27.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:52:36,321 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 62.9 MB. Free memory is still 43.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:52:36,328 INFO L168 Benchmark]: CACSL2BoogieTranslator took 474.89 ms. Allocated memory is still 62.9 MB. Free memory was 42.3 MB in the beginning and 43.3 MB in the end (delta: -1.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-16 02:52:36,329 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.60 ms. Allocated memory is still 62.9 MB. Free memory was 43.3 MB in the beginning and 40.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:52:36,330 INFO L168 Benchmark]: Boogie Preprocessor took 96.24 ms. Allocated memory is still 62.9 MB. Free memory was 40.9 MB in the beginning and 38.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:52:36,332 INFO L168 Benchmark]: RCFGBuilder took 13465.11 ms. Allocated memory is still 62.9 MB. Free memory was 38.8 MB in the beginning and 37.9 MB in the end (delta: 825.0 kB). Peak memory consumption was 19.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:52:36,337 INFO L168 Benchmark]: TraceAbstraction took 547.78 ms. Allocated memory is still 62.9 MB. Free memory was 37.4 MB in the beginning and 27.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:52:36,342 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 62.9 MB. Free memory is still 43.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 474.89 ms. Allocated memory is still 62.9 MB. Free memory was 42.3 MB in the beginning and 43.3 MB in the end (delta: -1.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 105.60 ms. Allocated memory is still 62.9 MB. Free memory was 43.3 MB in the beginning and 40.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 96.24 ms. Allocated memory is still 62.9 MB. Free memory was 40.9 MB in the beginning and 38.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 13465.11 ms. Allocated memory is still 62.9 MB. Free memory was 38.8 MB in the beginning and 37.9 MB in the end (delta: 825.0 kB). Peak memory consumption was 19.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 547.78 ms. Allocated memory is still 62.9 MB. Free memory was 37.4 MB in the beginning and 27.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:232) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-16 02:52:36,587 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518b254a-2766-40f6-8dda-1e2ffd643913/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-10-16 02:52:36,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518b254a-2766-40f6-8dda-1e2ffd643913/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...