./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0681a.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_77bc25b7-cac1-4686-a265-6fcc83a23891/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bc25b7-cac1-4686-a265-6fcc83a23891/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_77bc25b7-cac1-4686-a265-6fcc83a23891/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bc25b7-cac1-4686-a265-6fcc83a23891/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0681a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bc25b7-cac1-4686-a265-6fcc83a23891/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_77bc25b7-cac1-4686-a265-6fcc83a23891/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 2afbb77b17d63ec0fbeac711eb5e89168ce09b9a ......................................................................................................................................................................................................................................................................................................................................... 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_77bc25b7-cac1-4686-a265-6fcc83a23891/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bc25b7-cac1-4686-a265-6fcc83a23891/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_77bc25b7-cac1-4686-a265-6fcc83a23891/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bc25b7-cac1-4686-a265-6fcc83a23891/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0681a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bc25b7-cac1-4686-a265-6fcc83a23891/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_77bc25b7-cac1-4686-a265-6fcc83a23891/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 2afbb77b17d63ec0fbeac711eb5e89168ce09b9a ...................................................................................................................................................................................................................................................................... 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 07:12:52,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:12:52,244 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:12:52,299 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:12:52,300 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:12:52,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:12:52,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:12:52,311 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:12:52,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:12:52,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:12:52,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:12:52,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:12:52,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:12:52,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:12:52,328 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:12:52,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:12:52,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:12:52,335 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:12:52,338 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:12:52,346 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:12:52,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:12:52,349 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:12:52,352 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:12:52,353 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:12:52,362 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:12:52,363 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:12:52,363 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:12:52,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:12:52,366 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:12:52,367 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:12:52,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:12:52,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:12:52,371 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:12:52,372 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:12:52,374 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:12:52,374 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:12:52,375 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:12:52,375 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:12:52,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:12:52,376 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:12:52,377 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:12:52,382 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bc25b7-cac1-4686-a265-6fcc83a23891/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:12:52,428 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:12:52,429 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:12:52,430 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:12:52,430 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:12:52,431 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:12:52,431 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:12:52,431 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:12:52,431 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:12:52,435 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:12:52,435 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:12:52,436 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:12:52,436 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:12:52,437 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:12:52,437 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:12:52,437 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:12:52,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:12:52,438 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:12:52,438 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:12:52,438 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:12:52,439 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:12:52,439 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:12:52,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:12:52,439 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:12:52,440 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:12:52,440 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:12:52,440 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:12:52,440 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:12:52,440 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:12:52,441 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:12:52,442 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:12:52,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:12:52,443 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:12:52,443 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:12:52,443 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:12:52,444 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:12:52,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:12:52,444 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:12:52,444 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:12:52,444 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:12:52,445 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_77bc25b7-cac1-4686-a265-6fcc83a23891/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bc25b7-cac1-4686-a265-6fcc83a23891/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2afbb77b17d63ec0fbeac711eb5e89168ce09b9a [2021-10-13 07:12:52,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:12:52,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:12:52,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:12:52,809 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:12:52,810 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:12:52,811 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bc25b7-cac1-4686-a265-6fcc83a23891/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/float-newlib/float_req_bl_0681a.c [2021-10-13 07:12:52,888 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bc25b7-cac1-4686-a265-6fcc83a23891/bin/utaipan-q2qaUkNPG8/data/1ced19eb4/8ec5d84d6cdc4ea8b452db241a2d2639/FLAG5e0034c9b [2021-10-13 07:12:53,484 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:12:53,484 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bc25b7-cac1-4686-a265-6fcc83a23891/sv-benchmarks/c/float-newlib/float_req_bl_0681a.c [2021-10-13 07:12:53,493 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bc25b7-cac1-4686-a265-6fcc83a23891/bin/utaipan-q2qaUkNPG8/data/1ced19eb4/8ec5d84d6cdc4ea8b452db241a2d2639/FLAG5e0034c9b [2021-10-13 07:12:53,809 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bc25b7-cac1-4686-a265-6fcc83a23891/bin/utaipan-q2qaUkNPG8/data/1ced19eb4/8ec5d84d6cdc4ea8b452db241a2d2639 [2021-10-13 07:12:53,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:12:53,813 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:12:53,818 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:12:53,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:12:53,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:12:53,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:12:53" (1/1) ... [2021-10-13 07:12:53,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@586a9a55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:12:53, skipping insertion in model container [2021-10-13 07:12:53,824 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:12:53" (1/1) ... [2021-10-13 07:12:53,833 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:12:53,876 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:12:54,116 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_77bc25b7-cac1-4686-a265-6fcc83a23891/sv-benchmarks/c/float-newlib/float_req_bl_0681a.c[5435,5448] [2021-10-13 07:12:54,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:12:54,147 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:12:54,249 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_77bc25b7-cac1-4686-a265-6fcc83a23891/sv-benchmarks/c/float-newlib/float_req_bl_0681a.c[5435,5448] [2021-10-13 07:12:54,250 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:12:54,273 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:12:54,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:12:54 WrapperNode [2021-10-13 07:12:54,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:12:54,274 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:12:54,274 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:12:54,275 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:12:54,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:12:54" (1/1) ... [2021-10-13 07:12:54,305 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:12:54" (1/1) ... [2021-10-13 07:12:54,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:12:54,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:12:54,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:12:54,363 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:12:54,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:12:54" (1/1) ... [2021-10-13 07:12:54,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:12:54" (1/1) ... [2021-10-13 07:12:54,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:12:54" (1/1) ... [2021-10-13 07:12:54,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:12:54" (1/1) ... [2021-10-13 07:12:54,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:12:54" (1/1) ... [2021-10-13 07:12:54,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:12:54" (1/1) ... [2021-10-13 07:12:54,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:12:54" (1/1) ... [2021-10-13 07:12:54,453 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:12:54,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:12:54,454 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:12:54,454 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:12:54,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:12:54" (1/1) ... [2021-10-13 07:12:54,483 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:12:54,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bc25b7-cac1-4686-a265-6fcc83a23891/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:12:54,515 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bc25b7-cac1-4686-a265-6fcc83a23891/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:12:54,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bc25b7-cac1-4686-a265-6fcc83a23891/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:12:54,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 07:12:54,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:12:54,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-13 07:12:54,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 07:12:54,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-13 07:12:54,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:12:54,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:12:54,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 07:12:54,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-13 07:12:54,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 07:12:55,538 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:12:55,538 INFO L299 CfgBuilder]: Removed 44 assume(true) statements. [2021-10-13 07:12:55,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:12:55 BoogieIcfgContainer [2021-10-13 07:12:55,541 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:12:55,545 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:12:55,545 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:12:55,549 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:12:55,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:12:53" (1/3) ... [2021-10-13 07:12:55,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d8cb0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:12:55, skipping insertion in model container [2021-10-13 07:12:55,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:12:54" (2/3) ... [2021-10-13 07:12:55,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d8cb0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:12:55, skipping insertion in model container [2021-10-13 07:12:55,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:12:55" (3/3) ... [2021-10-13 07:12:55,554 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0681a.c [2021-10-13 07:12:55,560 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:12:55,560 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 07:12:55,617 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:12:55,623 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 07:12:55,624 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 07:12:55,640 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 78 states have (on average 1.7564102564102564) internal successors, (137), 79 states have internal predecessors, (137), 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 07:12:55,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 07:12:55,646 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:12:55,647 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:12:55,647 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:12:55,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:12:55,656 INFO L82 PathProgramCache]: Analyzing trace with hash -446776973, now seen corresponding path program 1 times [2021-10-13 07:12:55,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:12:55,673 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518889340] [2021-10-13 07:12:55,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:12:55,675 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:12:55,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:12:55,879 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 07:12:55,879 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:12:55,880 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518889340] [2021-10-13 07:12:55,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518889340] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:12:55,881 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:12:55,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 07:12:55,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453957249] [2021-10-13 07:12:55,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 07:12:55,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:12:55,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 07:12:55,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:12:55,913 INFO L87 Difference]: Start difference. First operand has 80 states, 78 states have (on average 1.7564102564102564) internal successors, (137), 79 states have internal predecessors, (137), 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 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 07:12:55,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:12:55,950 INFO L93 Difference]: Finished difference Result 159 states and 273 transitions. [2021-10-13 07:12:55,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 07:12:55,952 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2021-10-13 07:12:55,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:12:55,959 INFO L225 Difference]: With dead ends: 159 [2021-10-13 07:12:55,960 INFO L226 Difference]: Without dead ends: 78 [2021-10-13 07:12:55,963 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 07:12:55,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-10-13 07:12:55,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2021-10-13 07:12:55,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.4025974025974026) internal successors, (108), 77 states have internal predecessors, (108), 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 07:12:56,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 108 transitions. [2021-10-13 07:12:56,002 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 108 transitions. Word has length 10 [2021-10-13 07:12:56,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:12:56,003 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 108 transitions. [2021-10-13 07:12:56,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 07:12:56,004 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 108 transitions. [2021-10-13 07:12:56,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 07:12:56,004 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:12:56,005 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:12:56,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 07:12:56,005 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:12:56,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:12:56,006 INFO L82 PathProgramCache]: Analyzing trace with hash -1390143446, now seen corresponding path program 1 times [2021-10-13 07:12:56,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:12:56,007 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175765871] [2021-10-13 07:12:56,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:12:56,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:12:56,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:12:56,083 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 07:12:56,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:12:56,197 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-13 07:12:56,198 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 07:12:56,199 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:12:56,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 07:12:56,207 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:12:56,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:12:56 BoogieIcfgContainer [2021-10-13 07:12:56,239 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:12:56,239 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:12:56,239 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:12:56,240 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:12:56,240 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:12:55" (3/4) ... [2021-10-13 07:12:56,243 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 07:12:56,243 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:12:56,245 INFO L168 Benchmark]: Toolchain (without parser) took 2431.31 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 77.9 MB in the beginning and 78.0 MB in the end (delta: -84.5 kB). Peak memory consumption was 25.9 MB. Max. memory is 16.1 GB. [2021-10-13 07:12:56,246 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 117.4 MB. Free memory is still 94.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:12:56,246 INFO L168 Benchmark]: CACSL2BoogieTranslator took 455.21 ms. Allocated memory is still 117.4 MB. Free memory was 77.7 MB in the beginning and 86.0 MB in the end (delta: -8.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:12:56,247 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.53 ms. Allocated memory is still 117.4 MB. Free memory was 86.0 MB in the beginning and 82.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:12:56,248 INFO L168 Benchmark]: Boogie Preprocessor took 90.78 ms. Allocated memory is still 117.4 MB. Free memory was 82.9 MB in the beginning and 79.7 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:12:56,248 INFO L168 Benchmark]: RCFGBuilder took 1087.21 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 79.7 MB in the beginning and 112.9 MB in the end (delta: -33.2 MB). Peak memory consumption was 43.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:12:56,249 INFO L168 Benchmark]: TraceAbstraction took 694.08 ms. Allocated memory is still 142.6 MB. Free memory was 112.4 MB in the beginning and 78.0 MB in the end (delta: 34.4 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:12:56,250 INFO L168 Benchmark]: Witness Printer took 4.01 ms. Allocated memory is still 142.6 MB. Free memory is still 78.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:12:56,253 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 117.4 MB. Free memory is still 94.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 455.21 ms. Allocated memory is still 117.4 MB. Free memory was 77.7 MB in the beginning and 86.0 MB in the end (delta: -8.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 82.53 ms. Allocated memory is still 117.4 MB. Free memory was 86.0 MB in the beginning and 82.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 90.78 ms. Allocated memory is still 117.4 MB. Free memory was 82.9 MB in the beginning and 79.7 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1087.21 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 79.7 MB in the beginning and 112.9 MB in the end (delta: -33.2 MB). Peak memory consumption was 43.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 694.08 ms. Allocated memory is still 142.6 MB. Free memory was 112.4 MB in the beginning and 78.0 MB in the end (delta: 34.4 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. * Witness Printer took 4.01 ms. Allocated memory is still 142.6 MB. Free memory is still 78.0 MB. 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: 241]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 240, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, overapproximation of someUnaryFLOAToperation at line 236, 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; [L235] float x = 0.0f; [L236] float y = -0.0f; [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] [L237] float res = __ieee754_atan2f(y, x); [L240] EXPR res == -0.0f && __signbit_float(res) == 1 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] [L240] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L241] 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, 80 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 589.7ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 9.9ms, AutomataDifference: 72.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 110 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=80occurred 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: 24.6ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 10.5ms SsaConstructionTime, 123.0ms SatisfiabilityAnalysisTime, 86.4ms InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 07:12:56,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bc25b7-cac1-4686-a265-6fcc83a23891/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:12:58,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:12:58,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:12:58,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:12:58,801 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:12:58,805 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:12:58,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:12:58,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:12:58,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:12:58,822 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:12:58,824 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:12:58,826 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:12:58,826 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:12:58,829 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:12:58,831 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:12:58,835 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:12:58,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:12:58,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:12:58,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:12:58,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:12:58,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:12:58,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:12:58,854 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:12:58,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:12:58,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:12:58,866 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:12:58,866 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:12:58,868 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:12:58,869 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:12:58,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:12:58,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:12:58,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:12:58,873 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:12:58,874 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:12:58,875 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:12:58,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:12:58,877 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:12:58,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:12:58,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:12:58,886 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:12:58,887 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:12:58,888 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bc25b7-cac1-4686-a265-6fcc83a23891/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:12:58,931 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:12:58,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:12:58,933 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:12:58,933 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:12:58,934 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:12:58,934 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:12:58,934 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:12:58,934 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:12:58,935 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:12:58,936 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:12:58,937 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:12:58,938 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:12:58,938 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:12:58,938 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:12:58,938 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:12:58,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:12:58,939 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:12:58,939 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:12:58,939 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:12:58,939 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:12:58,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:12:58,940 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:12:58,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:12:58,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:12:58,941 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:12:58,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:12:58,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:12:58,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:12:58,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:12:58,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:12:58,942 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:12:58,943 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:12:58,943 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:12:58,943 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:12:58,944 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:12:58,944 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_77bc25b7-cac1-4686-a265-6fcc83a23891/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bc25b7-cac1-4686-a265-6fcc83a23891/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2afbb77b17d63ec0fbeac711eb5e89168ce09b9a [2021-10-13 07:12:59,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:12:59,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:12:59,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:12:59,362 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:12:59,363 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:12:59,364 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bc25b7-cac1-4686-a265-6fcc83a23891/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/float-newlib/float_req_bl_0681a.c [2021-10-13 07:12:59,446 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bc25b7-cac1-4686-a265-6fcc83a23891/bin/utaipan-q2qaUkNPG8/data/925e434ff/b3bf13c4a25d43c78f213c723c994d0e/FLAGe3aa6a7fe [2021-10-13 07:13:00,063 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:13:00,068 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bc25b7-cac1-4686-a265-6fcc83a23891/sv-benchmarks/c/float-newlib/float_req_bl_0681a.c [2021-10-13 07:13:00,079 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bc25b7-cac1-4686-a265-6fcc83a23891/bin/utaipan-q2qaUkNPG8/data/925e434ff/b3bf13c4a25d43c78f213c723c994d0e/FLAGe3aa6a7fe [2021-10-13 07:13:00,390 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bc25b7-cac1-4686-a265-6fcc83a23891/bin/utaipan-q2qaUkNPG8/data/925e434ff/b3bf13c4a25d43c78f213c723c994d0e [2021-10-13 07:13:00,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:13:00,394 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:13:00,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:13:00,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:13:00,399 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:13:00,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:13:00" (1/1) ... [2021-10-13 07:13:00,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75847bc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:13:00, skipping insertion in model container [2021-10-13 07:13:00,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:13:00" (1/1) ... [2021-10-13 07:13:00,409 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:13:00,432 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:13:00,687 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_77bc25b7-cac1-4686-a265-6fcc83a23891/sv-benchmarks/c/float-newlib/float_req_bl_0681a.c[5435,5448] [2021-10-13 07:13:00,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:13:00,708 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:13:00,768 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_77bc25b7-cac1-4686-a265-6fcc83a23891/sv-benchmarks/c/float-newlib/float_req_bl_0681a.c[5435,5448] [2021-10-13 07:13:00,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:13:00,792 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:13:00,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:13:00 WrapperNode [2021-10-13 07:13:00,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:13:00,794 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:13:00,795 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:13:00,795 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:13:00,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:13:00" (1/1) ... [2021-10-13 07:13:00,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:13:00" (1/1) ... [2021-10-13 07:13:00,869 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:13:00,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:13:00,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:13:00,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:13:00,879 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:13:00" (1/1) ... [2021-10-13 07:13:00,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:13:00" (1/1) ... [2021-10-13 07:13:00,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:13:00" (1/1) ... [2021-10-13 07:13:00,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:13:00" (1/1) ... [2021-10-13 07:13:00,943 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:13:00" (1/1) ... [2021-10-13 07:13:00,952 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:13:00" (1/1) ... [2021-10-13 07:13:00,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:13:00" (1/1) ... [2021-10-13 07:13:00,971 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:13:00,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:13:00,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:13:00,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:13:00,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:13:00" (1/1) ... [2021-10-13 07:13:00,989 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:13:01,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bc25b7-cac1-4686-a265-6fcc83a23891/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:13:01,012 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bc25b7-cac1-4686-a265-6fcc83a23891/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:13:01,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bc25b7-cac1-4686-a265-6fcc83a23891/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:13:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-10-13 07:13:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 07:13:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:13:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-13 07:13:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 07:13:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:13:01,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:13:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-13 07:13:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 07:13:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 07:13:22,020 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:13:22,020 INFO L299 CfgBuilder]: Removed 44 assume(true) statements. [2021-10-13 07:13:22,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:13:22 BoogieIcfgContainer [2021-10-13 07:13:22,023 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:13:22,024 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:13:22,025 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:13:22,027 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:13:22,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:13:00" (1/3) ... [2021-10-13 07:13:22,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b7ed28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:13:22, skipping insertion in model container [2021-10-13 07:13:22,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:13:00" (2/3) ... [2021-10-13 07:13:22,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b7ed28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:13:22, skipping insertion in model container [2021-10-13 07:13:22,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:13:22" (3/3) ... [2021-10-13 07:13:22,030 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0681a.c [2021-10-13 07:13:22,036 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:13:22,036 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 07:13:22,090 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:13:22,095 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 07:13:22,095 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 07:13:22,112 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 112 states have (on average 1.6964285714285714) internal successors, (190), 113 states have internal predecessors, (190), 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 07:13:22,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 07:13:22,117 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:13:22,118 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:13:22,118 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:13:22,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:13:22,124 INFO L82 PathProgramCache]: Analyzing trace with hash 530404973, now seen corresponding path program 1 times [2021-10-13 07:13:22,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:13:22,137 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [538124323] [2021-10-13 07:13:22,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:13:22,138 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:13:22,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bc25b7-cac1-4686-a265-6fcc83a23891/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:13:22,141 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bc25b7-cac1-4686-a265-6fcc83a23891/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:13:22,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bc25b7-cac1-4686-a265-6fcc83a23891/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:13:22,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bc25b7-cac1-4686-a265-6fcc83a23891/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-13 07:13:22,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bc25b7-cac1-4686-a265-6fcc83a23891/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:13:22,461 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 07:13:22,465 INFO L168 Benchmark]: Toolchain (without parser) took 22069.80 ms. Allocated memory was 54.5 MB in the beginning and 75.5 MB in the end (delta: 21.0 MB). Free memory was 31.1 MB in the beginning and 37.8 MB in the end (delta: -6.7 MB). Peak memory consumption was 15.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:13:22,465 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 54.5 MB. Free memory was 35.3 MB in the beginning and 35.2 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:13:22,466 INFO L168 Benchmark]: CACSL2BoogieTranslator took 398.18 ms. Allocated memory was 54.5 MB in the beginning and 75.5 MB in the end (delta: 21.0 MB). Free memory was 31.0 MB in the beginning and 54.1 MB in the end (delta: -23.2 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:13:22,467 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.37 ms. Allocated memory is still 75.5 MB. Free memory was 54.0 MB in the beginning and 50.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:13:22,467 INFO L168 Benchmark]: Boogie Preprocessor took 110.69 ms. Allocated memory is still 75.5 MB. Free memory was 50.5 MB in the beginning and 47.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:13:22,468 INFO L168 Benchmark]: RCFGBuilder took 21040.66 ms. Allocated memory is still 75.5 MB. Free memory was 47.1 MB in the beginning and 48.4 MB in the end (delta: -1.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:13:22,469 INFO L168 Benchmark]: TraceAbstraction took 438.40 ms. Allocated memory is still 75.5 MB. Free memory was 48.1 MB in the beginning and 37.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:13:22,473 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 54.5 MB. Free memory was 35.3 MB in the beginning and 35.2 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 398.18 ms. Allocated memory was 54.5 MB in the beginning and 75.5 MB in the end (delta: 21.0 MB). Free memory was 31.0 MB in the beginning and 54.1 MB in the end (delta: -23.2 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 75.37 ms. Allocated memory is still 75.5 MB. Free memory was 54.0 MB in the beginning and 50.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 110.69 ms. Allocated memory is still 75.5 MB. Free memory was 50.5 MB in the beginning and 47.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 21040.66 ms. Allocated memory is still 75.5 MB. Free memory was 47.1 MB in the beginning and 48.4 MB in the end (delta: -1.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 438.40 ms. Allocated memory is still 75.5 MB. Free memory was 48.1 MB in the beginning and 37.8 MB in the end (delta: 10.2 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. [2021-10-13 07:13:22,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bc25b7-cac1-4686-a265-6fcc83a23891/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...