./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0684b.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_d48e0c69-c11c-425a-b02b-92db8941803c/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48e0c69-c11c-425a-b02b-92db8941803c/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_d48e0c69-c11c-425a-b02b-92db8941803c/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48e0c69-c11c-425a-b02b-92db8941803c/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0684b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48e0c69-c11c-425a-b02b-92db8941803c/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_d48e0c69-c11c-425a-b02b-92db8941803c/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 f0d9ad6e2f8e5d338ebe767968caad154994a4d6 ................................................................................................................................................................................................................................................................................................................................................. 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_d48e0c69-c11c-425a-b02b-92db8941803c/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48e0c69-c11c-425a-b02b-92db8941803c/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_d48e0c69-c11c-425a-b02b-92db8941803c/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48e0c69-c11c-425a-b02b-92db8941803c/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0684b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48e0c69-c11c-425a-b02b-92db8941803c/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_d48e0c69-c11c-425a-b02b-92db8941803c/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 f0d9ad6e2f8e5d338ebe767968caad154994a4d6 ...................................................................................................................................................................................................................................................................... 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-4e77c04 [2021-10-13 07:04:43,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:04:43,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:04:43,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:04:43,154 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:04:43,160 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:04:43,162 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:04:43,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:04:43,170 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:04:43,172 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:04:43,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:04:43,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:04:43,176 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:04:43,178 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:04:43,180 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:04:43,182 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:04:43,183 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:04:43,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:04:43,188 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:04:43,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:04:43,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:04:43,195 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:04:43,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:04:43,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:04:43,217 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:04:43,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:04:43,219 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:04:43,220 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:04:43,222 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:04:43,224 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:04:43,225 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:04:43,226 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:04:43,229 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:04:43,230 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:04:43,233 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:04:43,233 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:04:43,234 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:04:43,235 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:04:43,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:04:43,236 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:04:43,237 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:04:43,239 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48e0c69-c11c-425a-b02b-92db8941803c/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:04:43,292 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:04:43,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:04:43,295 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:04:43,295 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:04:43,295 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:04:43,296 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:04:43,296 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:04:43,296 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:04:43,297 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:04:43,297 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:04:43,306 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:04:43,306 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:04:43,307 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:04:43,307 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:04:43,307 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:04:43,308 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:04:43,309 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:04:43,309 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:04:43,309 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:04:43,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:04:43,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:04:43,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:04:43,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:04:43,311 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:04:43,311 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:04:43,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:04:43,312 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:04:43,312 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:04:43,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:04:43,314 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:04:43,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:04:43,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:04:43,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:04:43,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:04:43,316 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:04:43,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:04:43,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:04:43,317 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:04:43,317 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:04:43,318 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_d48e0c69-c11c-425a-b02b-92db8941803c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48e0c69-c11c-425a-b02b-92db8941803c/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0d9ad6e2f8e5d338ebe767968caad154994a4d6 [2021-10-13 07:04:43,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:04:43,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:04:43,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:04:43,788 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:04:43,790 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:04:43,791 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48e0c69-c11c-425a-b02b-92db8941803c/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/float-newlib/float_req_bl_0684b.c [2021-10-13 07:04:43,898 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48e0c69-c11c-425a-b02b-92db8941803c/bin/utaipan-q2qaUkNPG8/data/4f59104a3/ecfe358f8a6e430ba9862687db901c7d/FLAG7630506a5 [2021-10-13 07:04:44,556 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:04:44,559 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48e0c69-c11c-425a-b02b-92db8941803c/sv-benchmarks/c/float-newlib/float_req_bl_0684b.c [2021-10-13 07:04:44,574 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48e0c69-c11c-425a-b02b-92db8941803c/bin/utaipan-q2qaUkNPG8/data/4f59104a3/ecfe358f8a6e430ba9862687db901c7d/FLAG7630506a5 [2021-10-13 07:04:44,869 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48e0c69-c11c-425a-b02b-92db8941803c/bin/utaipan-q2qaUkNPG8/data/4f59104a3/ecfe358f8a6e430ba9862687db901c7d [2021-10-13 07:04:44,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:04:44,879 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:04:44,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:04:44,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:04:44,886 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:04:44,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:04:44" (1/1) ... [2021-10-13 07:04:44,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f76ee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:44, skipping insertion in model container [2021-10-13 07:04:44,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:04:44" (1/1) ... [2021-10-13 07:04:44,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:04:44,928 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:04:45,288 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_d48e0c69-c11c-425a-b02b-92db8941803c/sv-benchmarks/c/float-newlib/float_req_bl_0684b.c[5556,5569] [2021-10-13 07:04:45,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:04:45,310 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:04:45,367 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_d48e0c69-c11c-425a-b02b-92db8941803c/sv-benchmarks/c/float-newlib/float_req_bl_0684b.c[5556,5569] [2021-10-13 07:04:45,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:04:45,391 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:04:45,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:45 WrapperNode [2021-10-13 07:04:45,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:04:45,394 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:04:45,394 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:04:45,394 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:04:45,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:45" (1/1) ... [2021-10-13 07:04:45,421 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:45" (1/1) ... [2021-10-13 07:04:45,502 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:04:45,503 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:04:45,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:04:45,504 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:04:45,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:45" (1/1) ... [2021-10-13 07:04:45,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:45" (1/1) ... [2021-10-13 07:04:45,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:45" (1/1) ... [2021-10-13 07:04:45,534 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:45" (1/1) ... [2021-10-13 07:04:45,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:45" (1/1) ... [2021-10-13 07:04:45,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:45" (1/1) ... [2021-10-13 07:04:45,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:45" (1/1) ... [2021-10-13 07:04:45,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:04:45,587 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:04:45,587 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:04:45,587 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:04:45,588 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:45" (1/1) ... [2021-10-13 07:04:45,597 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:04:45,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48e0c69-c11c-425a-b02b-92db8941803c/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:04:45,642 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48e0c69-c11c-425a-b02b-92db8941803c/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:04:45,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48e0c69-c11c-425a-b02b-92db8941803c/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:04:45,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 07:04:45,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:04:45,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-13 07:04:45,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 07:04:45,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-13 07:04:45,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:04:45,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:04:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 07:04:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-13 07:04:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 07:04:46,988 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:04:46,989 INFO L299 CfgBuilder]: Removed 44 assume(true) statements. [2021-10-13 07:04:46,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:04:46 BoogieIcfgContainer [2021-10-13 07:04:46,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:04:46,998 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:04:46,999 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:04:47,005 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:04:47,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:04:44" (1/3) ... [2021-10-13 07:04:47,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@120d1d1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:04:47, skipping insertion in model container [2021-10-13 07:04:47,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:45" (2/3) ... [2021-10-13 07:04:47,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@120d1d1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:04:47, skipping insertion in model container [2021-10-13 07:04:47,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:04:46" (3/3) ... [2021-10-13 07:04:47,012 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0684b.c [2021-10-13 07:04:47,018 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:04:47,019 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 07:04:47,095 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:04:47,105 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 07:04:47,105 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 07:04:47,131 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 79 states have (on average 1.7468354430379747) internal successors, (138), 80 states have internal predecessors, (138), 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 07:04:47,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 07:04:47,147 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:04:47,148 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:04:47,149 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:04:47,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:04:47,156 INFO L82 PathProgramCache]: Analyzing trace with hash -2009336984, now seen corresponding path program 1 times [2021-10-13 07:04:47,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:04:47,168 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468103459] [2021-10-13 07:04:47,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:04:47,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:04:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:04:47,380 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 07:04:47,381 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:04:47,382 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468103459] [2021-10-13 07:04:47,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468103459] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:04:47,384 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:04:47,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 07:04:47,386 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036957551] [2021-10-13 07:04:47,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 07:04:47,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:04:47,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 07:04:47,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:04:47,415 INFO L87 Difference]: Start difference. First operand has 81 states, 79 states have (on average 1.7468354430379747) internal successors, (138), 80 states have internal predecessors, (138), 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 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 07:04:47,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:04:47,447 INFO L93 Difference]: Finished difference Result 161 states and 275 transitions. [2021-10-13 07:04:47,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 07:04:47,450 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 12 [2021-10-13 07:04:47,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:04:47,463 INFO L225 Difference]: With dead ends: 161 [2021-10-13 07:04:47,463 INFO L226 Difference]: Without dead ends: 78 [2021-10-13 07:04:47,467 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 [2021-10-13 07:04:47,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-10-13 07:04:47,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2021-10-13 07:04:47,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.3896103896103895) internal successors, (107), 77 states have internal predecessors, (107), 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 07:04:47,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 107 transitions. [2021-10-13 07:04:47,517 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 107 transitions. Word has length 12 [2021-10-13 07:04:47,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:04:47,518 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 107 transitions. [2021-10-13 07:04:47,519 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 07:04:47,519 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 107 transitions. [2021-10-13 07:04:47,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 07:04:47,520 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:04:47,521 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:04:47,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 07:04:47,522 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:04:47,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:04:47,523 INFO L82 PathProgramCache]: Analyzing trace with hash -389061180, now seen corresponding path program 1 times [2021-10-13 07:04:47,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:04:47,524 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825949678] [2021-10-13 07:04:47,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:04:47,524 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:04:47,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:04:47,729 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 07:04:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:04:47,946 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-13 07:04:47,946 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 07:04:47,949 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:04:47,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 07:04:47,961 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:04:48,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:04:48 BoogieIcfgContainer [2021-10-13 07:04:48,039 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:04:48,041 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:04:48,042 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:04:48,042 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:04:48,043 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:04:46" (3/4) ... [2021-10-13 07:04:48,049 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 07:04:48,049 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:04:48,052 INFO L168 Benchmark]: Toolchain (without parser) took 3171.90 ms. Allocated memory was 98.6 MB in the beginning and 136.3 MB in the end (delta: 37.7 MB). Free memory was 58.4 MB in the beginning and 61.7 MB in the end (delta: -3.3 MB). Peak memory consumption was 34.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:04:48,054 INFO L168 Benchmark]: CDTParser took 1.35 ms. Allocated memory is still 98.6 MB. Free memory is still 75.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:04:48,056 INFO L168 Benchmark]: CACSL2BoogieTranslator took 511.62 ms. Allocated memory is still 98.6 MB. Free memory was 58.1 MB in the beginning and 69.1 MB in the end (delta: -10.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:04:48,058 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.80 ms. Allocated memory is still 98.6 MB. Free memory was 69.1 MB in the beginning and 65.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:04:48,065 INFO L168 Benchmark]: Boogie Preprocessor took 82.34 ms. Allocated memory is still 98.6 MB. Free memory was 65.7 MB in the beginning and 62.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:04:48,067 INFO L168 Benchmark]: RCFGBuilder took 1407.26 ms. Allocated memory was 98.6 MB in the beginning and 136.3 MB in the end (delta: 37.7 MB). Free memory was 62.8 MB in the beginning and 102.4 MB in the end (delta: -39.7 MB). Peak memory consumption was 42.9 MB. Max. memory is 16.1 GB. [2021-10-13 07:04:48,068 INFO L168 Benchmark]: TraceAbstraction took 1042.34 ms. Allocated memory is still 136.3 MB. Free memory was 101.5 MB in the beginning and 62.6 MB in the end (delta: 38.9 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. [2021-10-13 07:04:48,069 INFO L168 Benchmark]: Witness Printer took 7.81 ms. Allocated memory is still 136.3 MB. Free memory was 62.6 MB in the beginning and 61.7 MB in the end (delta: 937.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:04:48,079 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.35 ms. Allocated memory is still 98.6 MB. Free memory is still 75.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 511.62 ms. Allocated memory is still 98.6 MB. Free memory was 58.1 MB in the beginning and 69.1 MB in the end (delta: -10.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 108.80 ms. Allocated memory is still 98.6 MB. Free memory was 69.1 MB in the beginning and 65.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 82.34 ms. Allocated memory is still 98.6 MB. Free memory was 65.7 MB in the beginning and 62.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1407.26 ms. Allocated memory was 98.6 MB in the beginning and 136.3 MB in the end (delta: 37.7 MB). Free memory was 62.8 MB in the beginning and 102.4 MB in the end (delta: -39.7 MB). Peak memory consumption was 42.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1042.34 ms. Allocated memory is still 136.3 MB. Free memory was 101.5 MB in the beginning and 62.6 MB in the end (delta: 38.9 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. * Witness Printer took 7.81 ms. Allocated memory is still 136.3 MB. Free memory was 62.6 MB in the beginning and 61.7 MB in the end (delta: 937.9 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: 245]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 244, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; [L236] float x = __VERIFIER_nondet_float(); [L237] float y = -1.0f / 0.0f; [L219] __int32_t ix; VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L221] ieee_float_shape_type gf_u; [L222] gf_u.value = (x) [L223] EXPR gf_u.word [L223] (ix) = gf_u.word [L225] ix &= 0x7fffffff [L226] return (((ix) < 0x7f800000L)); [L239] COND TRUE isfinite_float(x) [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L125] ieee_float_shape_type gf_u; [L126] gf_u.value = (x) [L127] EXPR gf_u.word [L127] (hx) = gf_u.word [L129] ix = hx & 0x7fffffff VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L131] ieee_float_shape_type gf_u; [L132] gf_u.value = (y) [L133] EXPR gf_u.word [L133] (hy) = gf_u.word [L135] iy = hy & 0x7fffffff VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L241] float res = __ieee754_atan2f(y, x); [L244] COND TRUE res != -pi_o_2 VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L245] reach_error() VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 81 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 866.8ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 22.5ms, AutomataDifference: 73.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 20.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 111 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=81occurred 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: 32.6ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 14.9ms SsaConstructionTime, 243.2ms SatisfiabilityAnalysisTime, 87.1ms InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 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 [2021-10-13 07:04:48,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48e0c69-c11c-425a-b02b-92db8941803c/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:04:51,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:04:51,254 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:04:51,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:04:51,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:04:51,313 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:04:51,315 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:04:51,318 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:04:51,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:04:51,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:04:51,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:04:51,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:04:51,326 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:04:51,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:04:51,330 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:04:51,332 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:04:51,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:04:51,335 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:04:51,338 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:04:51,341 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:04:51,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:04:51,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:04:51,355 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:04:51,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:04:51,362 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:04:51,362 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:04:51,363 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:04:51,364 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:04:51,365 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:04:51,367 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:04:51,367 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:04:51,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:04:51,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:04:51,371 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:04:51,373 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:04:51,374 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:04:51,375 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:04:51,375 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:04:51,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:04:51,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:04:51,379 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:04:51,380 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48e0c69-c11c-425a-b02b-92db8941803c/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:04:51,412 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:04:51,413 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:04:51,414 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:04:51,415 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:04:51,416 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:04:51,416 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:04:51,417 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:04:51,417 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:04:51,418 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:04:51,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:04:51,420 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:04:51,420 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:04:51,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:04:51,421 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:04:51,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:04:51,422 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:04:51,422 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:04:51,423 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:04:51,423 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:04:51,423 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:04:51,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:04:51,424 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:04:51,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:04:51,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:04:51,425 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:04:51,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:04:51,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:04:51,426 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:04:51,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:04:51,427 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:04:51,427 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:04:51,427 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:04:51,427 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:04:51,427 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:04:51,427 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:04:51,428 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_d48e0c69-c11c-425a-b02b-92db8941803c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48e0c69-c11c-425a-b02b-92db8941803c/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0d9ad6e2f8e5d338ebe767968caad154994a4d6 [2021-10-13 07:04:51,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:04:51,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:04:51,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:04:51,968 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:04:51,969 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:04:51,970 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48e0c69-c11c-425a-b02b-92db8941803c/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/float-newlib/float_req_bl_0684b.c [2021-10-13 07:04:52,061 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48e0c69-c11c-425a-b02b-92db8941803c/bin/utaipan-q2qaUkNPG8/data/48e2524fd/62a9bdfd1b9f486cb4bcb0690383987b/FLAGf852d4cef [2021-10-13 07:04:52,845 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:04:52,846 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48e0c69-c11c-425a-b02b-92db8941803c/sv-benchmarks/c/float-newlib/float_req_bl_0684b.c [2021-10-13 07:04:52,859 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48e0c69-c11c-425a-b02b-92db8941803c/bin/utaipan-q2qaUkNPG8/data/48e2524fd/62a9bdfd1b9f486cb4bcb0690383987b/FLAGf852d4cef [2021-10-13 07:04:53,162 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48e0c69-c11c-425a-b02b-92db8941803c/bin/utaipan-q2qaUkNPG8/data/48e2524fd/62a9bdfd1b9f486cb4bcb0690383987b [2021-10-13 07:04:53,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:04:53,168 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:04:53,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:04:53,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:04:53,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:04:53,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:04:53" (1/1) ... [2021-10-13 07:04:53,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f04baaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:53, skipping insertion in model container [2021-10-13 07:04:53,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:04:53" (1/1) ... [2021-10-13 07:04:53,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:04:53,219 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:04:53,516 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_d48e0c69-c11c-425a-b02b-92db8941803c/sv-benchmarks/c/float-newlib/float_req_bl_0684b.c[5556,5569] [2021-10-13 07:04:53,519 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:04:53,539 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:04:53,688 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_d48e0c69-c11c-425a-b02b-92db8941803c/sv-benchmarks/c/float-newlib/float_req_bl_0684b.c[5556,5569] [2021-10-13 07:04:53,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:04:53,736 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:04:53,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:53 WrapperNode [2021-10-13 07:04:53,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:04:53,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:04:53,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:04:53,741 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:04:53,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:53" (1/1) ... [2021-10-13 07:04:53,781 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:53" (1/1) ... [2021-10-13 07:04:53,862 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:04:53,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:04:53,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:04:53,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:04:53,875 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:53" (1/1) ... [2021-10-13 07:04:53,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:53" (1/1) ... [2021-10-13 07:04:53,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:53" (1/1) ... [2021-10-13 07:04:53,889 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:53" (1/1) ... [2021-10-13 07:04:53,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:53" (1/1) ... [2021-10-13 07:04:53,932 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:53" (1/1) ... [2021-10-13 07:04:53,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:53" (1/1) ... [2021-10-13 07:04:53,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:04:53,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:04:53,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:04:53,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:04:53,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:53" (1/1) ... [2021-10-13 07:04:53,957 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:04:53,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48e0c69-c11c-425a-b02b-92db8941803c/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:04:53,993 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48e0c69-c11c-425a-b02b-92db8941803c/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:04:53,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48e0c69-c11c-425a-b02b-92db8941803c/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:04:54,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-10-13 07:04:54,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 07:04:54,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:04:54,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-13 07:04:54,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 07:04:54,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:04:54,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:04:54,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-13 07:04:54,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 07:04:54,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 07:05:20,624 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:05:20,624 INFO L299 CfgBuilder]: Removed 44 assume(true) statements. [2021-10-13 07:05:20,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:05:20 BoogieIcfgContainer [2021-10-13 07:05:20,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:05:20,630 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:05:20,630 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:05:20,634 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:05:20,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:04:53" (1/3) ... [2021-10-13 07:05:20,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79814c7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:05:20, skipping insertion in model container [2021-10-13 07:05:20,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:53" (2/3) ... [2021-10-13 07:05:20,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79814c7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:05:20, skipping insertion in model container [2021-10-13 07:05:20,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:05:20" (3/3) ... [2021-10-13 07:05:20,639 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0684b.c [2021-10-13 07:05:20,646 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:05:20,647 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 07:05:20,702 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:05:20,711 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 07:05:20,711 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 07:05:20,738 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 113 states have (on average 1.6902654867256637) internal successors, (191), 114 states have internal predecessors, (191), 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 07:05:20,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 07:05:20,744 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:05:20,745 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:05:20,746 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:05:20,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:05:20,758 INFO L82 PathProgramCache]: Analyzing trace with hash -701283450, now seen corresponding path program 1 times [2021-10-13 07:05:20,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:05:20,785 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [534192175] [2021-10-13 07:05:20,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:05:20,787 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:05:20,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48e0c69-c11c-425a-b02b-92db8941803c/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:05:20,791 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48e0c69-c11c-425a-b02b-92db8941803c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:05:20,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48e0c69-c11c-425a-b02b-92db8941803c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:05:20,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48e0c69-c11c-425a-b02b-92db8941803c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 07:05:21,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48e0c69-c11c-425a-b02b-92db8941803c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:05:21,169 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 [2021-10-13 07:05:21,176 INFO L168 Benchmark]: Toolchain (without parser) took 28006.43 ms. Allocated memory was 62.9 MB in the beginning and 83.9 MB in the end (delta: 21.0 MB). Free memory was 42.7 MB in the beginning and 61.2 MB in the end (delta: -18.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:05:21,176 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 62.9 MB. Free memory is still 44.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:05:21,177 INFO L168 Benchmark]: CACSL2BoogieTranslator took 568.84 ms. Allocated memory is still 62.9 MB. Free memory was 42.4 MB in the beginning and 42.7 MB in the end (delta: -260.5 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:05:21,178 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.05 ms. Allocated memory is still 62.9 MB. Free memory was 42.7 MB in the beginning and 39.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:05:21,179 INFO L168 Benchmark]: Boogie Preprocessor took 81.83 ms. Allocated memory is still 62.9 MB. Free memory was 39.1 MB in the beginning and 35.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:05:21,180 INFO L168 Benchmark]: RCFGBuilder took 26680.89 ms. Allocated memory was 62.9 MB in the beginning and 83.9 MB in the end (delta: 21.0 MB). Free memory was 35.6 MB in the beginning and 47.1 MB in the end (delta: -11.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. [2021-10-13 07:05:21,180 INFO L168 Benchmark]: TraceAbstraction took 543.19 ms. Allocated memory is still 83.9 MB. Free memory was 46.7 MB in the beginning and 61.2 MB in the end (delta: -14.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:05:21,185 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 44.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 568.84 ms. Allocated memory is still 62.9 MB. Free memory was 42.4 MB in the beginning and 42.7 MB in the end (delta: -260.5 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 122.05 ms. Allocated memory is still 62.9 MB. Free memory was 42.7 MB in the beginning and 39.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 81.83 ms. Allocated memory is still 62.9 MB. Free memory was 39.1 MB in the beginning and 35.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 26680.89 ms. Allocated memory was 62.9 MB in the beginning and 83.9 MB in the end (delta: 21.0 MB). Free memory was 35.6 MB in the beginning and 47.1 MB in the end (delta: -11.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 543.19 ms. Allocated memory is still 83.9 MB. Free memory was 46.7 MB in the beginning and 61.2 MB in the end (delta: -14.5 MB). There was no memory consumed. 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. [2021-10-13 07:05:21,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48e0c69-c11c-425a-b02b-92db8941803c/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...