./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0832a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866f4f48-c7ba-4db6-9585-8fc542444232/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866f4f48-c7ba-4db6-9585-8fc542444232/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866f4f48-c7ba-4db6-9585-8fc542444232/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866f4f48-c7ba-4db6-9585-8fc542444232/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0832a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866f4f48-c7ba-4db6-9585-8fc542444232/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866f4f48-c7ba-4db6-9585-8fc542444232/bin/uautomizer-hJ6jxDFKc3 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7bef213e800d9f1856c750fa5b59ba443e11e7ea ........................................................................................................................................................................................................................................................................................................................................... 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_866f4f48-c7ba-4db6-9585-8fc542444232/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866f4f48-c7ba-4db6-9585-8fc542444232/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866f4f48-c7ba-4db6-9585-8fc542444232/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866f4f48-c7ba-4db6-9585-8fc542444232/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0832a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866f4f48-c7ba-4db6-9585-8fc542444232/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866f4f48-c7ba-4db6-9585-8fc542444232/bin/uautomizer-hJ6jxDFKc3 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7bef213e800d9f1856c750fa5b59ba443e11e7ea ........................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 19:59:34,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:59:34,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:59:34,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:59:34,280 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:59:34,281 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:59:34,283 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:59:34,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:59:34,288 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:59:34,289 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:59:34,290 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:59:34,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:59:34,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:59:34,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:59:34,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:59:34,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:59:34,309 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:59:34,314 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:59:34,322 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:59:34,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:59:34,327 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:59:34,334 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:59:34,336 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:59:34,339 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:59:34,343 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:59:34,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:59:34,349 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:59:34,350 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:59:34,352 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:59:34,353 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:59:34,355 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:59:34,356 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:59:34,360 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:59:34,361 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:59:34,362 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:59:34,363 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:59:34,364 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:59:34,364 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:59:34,365 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:59:34,366 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:59:34,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:59:34,369 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866f4f48-c7ba-4db6-9585-8fc542444232/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-15 19:59:34,418 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:59:34,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:59:34,419 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:59:34,419 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:59:34,427 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:59:34,427 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:59:34,428 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:59:34,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:59:34,428 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:59:34,428 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:59:34,429 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:59:34,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:59:34,430 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:59:34,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:59:34,430 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:59:34,431 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:59:34,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:59:34,431 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:59:34,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:59:34,432 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:59:34,432 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:59:34,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:59:34,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:59:34,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:59:34,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:59:34,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:59:34,433 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:59:34,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-15 19:59:34,434 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:59:34,435 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:59:34,436 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:59:34,436 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:59:34,436 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_866f4f48-c7ba-4db6-9585-8fc542444232/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866f4f48-c7ba-4db6-9585-8fc542444232/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7bef213e800d9f1856c750fa5b59ba443e11e7ea [2021-10-15 19:59:34,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:59:34,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:59:34,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:59:34,769 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:59:34,770 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:59:34,771 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866f4f48-c7ba-4db6-9585-8fc542444232/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/float-newlib/float_req_bl_0832a.c [2021-10-15 19:59:34,848 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866f4f48-c7ba-4db6-9585-8fc542444232/bin/uautomizer-hJ6jxDFKc3/data/2c649722d/0452f582dc0946d7af6059b5b7cd1cb7/FLAGfd15bf6bb [2021-10-15 19:59:35,301 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:59:35,302 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866f4f48-c7ba-4db6-9585-8fc542444232/sv-benchmarks/c/float-newlib/float_req_bl_0832a.c [2021-10-15 19:59:35,309 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866f4f48-c7ba-4db6-9585-8fc542444232/bin/uautomizer-hJ6jxDFKc3/data/2c649722d/0452f582dc0946d7af6059b5b7cd1cb7/FLAGfd15bf6bb [2021-10-15 19:59:35,677 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866f4f48-c7ba-4db6-9585-8fc542444232/bin/uautomizer-hJ6jxDFKc3/data/2c649722d/0452f582dc0946d7af6059b5b7cd1cb7 [2021-10-15 19:59:35,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:59:35,681 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:59:35,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:59:35,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:59:35,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:59:35,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:59:35" (1/1) ... [2021-10-15 19:59:35,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b59d279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:59:35, skipping insertion in model container [2021-10-15 19:59:35,688 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:59:35" (1/1) ... [2021-10-15 19:59:35,694 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:59:35,715 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:59:35,898 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_866f4f48-c7ba-4db6-9585-8fc542444232/sv-benchmarks/c/float-newlib/float_req_bl_0832a.c[3180,3193] [2021-10-15 19:59:35,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:59:35,913 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:59:35,948 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_866f4f48-c7ba-4db6-9585-8fc542444232/sv-benchmarks/c/float-newlib/float_req_bl_0832a.c[3180,3193] [2021-10-15 19:59:35,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:59:35,965 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:59:35,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:59:35 WrapperNode [2021-10-15 19:59:35,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:59:35,967 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:59:35,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:59:35,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:59:35,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:59:35" (1/1) ... [2021-10-15 19:59:35,984 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:59:35" (1/1) ... [2021-10-15 19:59:36,010 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:59:36,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:59:36,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:59:36,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:59:36,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:59:35" (1/1) ... [2021-10-15 19:59:36,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:59:35" (1/1) ... [2021-10-15 19:59:36,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:59:35" (1/1) ... [2021-10-15 19:59:36,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:59:35" (1/1) ... [2021-10-15 19:59:36,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:59:35" (1/1) ... [2021-10-15 19:59:36,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:59:35" (1/1) ... [2021-10-15 19:59:36,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:59:35" (1/1) ... [2021-10-15 19:59:36,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:59:36,045 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:59:36,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:59:36,046 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:59:36,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:59:35" (1/1) ... [2021-10-15 19:59:36,070 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:59:36,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866f4f48-c7ba-4db6-9585-8fc542444232/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:59:36,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866f4f48-c7ba-4db6-9585-8fc542444232/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:59:36,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866f4f48-c7ba-4db6-9585-8fc542444232/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:59:36,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 19:59:36,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:59:36,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-15 19:59:36,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-15 19:59:36,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-15 19:59:36,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:59:36,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:59:36,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-15 19:59:36,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-15 19:59:36,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 19:59:36,439 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:59:36,439 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-10-15 19:59:36,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:59:36 BoogieIcfgContainer [2021-10-15 19:59:36,441 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:59:36,443 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:59:36,443 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:59:36,447 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:59:36,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:59:35" (1/3) ... [2021-10-15 19:59:36,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ece93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:59:36, skipping insertion in model container [2021-10-15 19:59:36,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:59:35" (2/3) ... [2021-10-15 19:59:36,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ece93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:59:36, skipping insertion in model container [2021-10-15 19:59:36,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:59:36" (3/3) ... [2021-10-15 19:59:36,450 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0832a.c [2021-10-15 19:59:36,456 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:59:36,456 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 19:59:36,522 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:59:36,531 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=PETRI_NET, 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 [2021-10-15 19:59:36,532 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 19:59:36,543 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 57 transitions, 114 flow [2021-10-15 19:59:36,573 INFO L129 PetriNetUnfolder]: 22/57 cut-off events. [2021-10-15 19:59:36,573 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:59:36,575 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 57 events. 22/57 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 75 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 0. Up to 8 conditions per place. [2021-10-15 19:59:36,575 INFO L82 GeneralOperation]: Start removeDead. Operand has 36 places, 57 transitions, 114 flow [2021-10-15 19:59:36,582 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 33 places, 53 transitions, 106 flow [2021-10-15 19:59:36,586 INFO L129 PetriNetUnfolder]: 6/19 cut-off events. [2021-10-15 19:59:36,587 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:59:36,587 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:59:36,588 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:59:36,588 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 19:59:36,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:59:36,593 INFO L82 PathProgramCache]: Analyzing trace with hash 354246130, now seen corresponding path program 1 times [2021-10-15 19:59:36,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:59:36,601 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099129217] [2021-10-15 19:59:36,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:59:36,602 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:59:36,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:59:36,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:59:36,792 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 19:59:36,792 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099129217] [2021-10-15 19:59:36,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099129217] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 19:59:36,794 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:59:36,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-15 19:59:36,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56181085] [2021-10-15 19:59:36,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-15 19:59:36,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 19:59:36,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-15 19:59:36,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-15 19:59:36,823 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 46 out of 57 [2021-10-15 19:59:36,826 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 53 transitions, 106 flow. Second operand has 2 states, 2 states have (on average 46.5) internal successors, (93), 2 states have internal predecessors, (93), 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) [2021-10-15 19:59:36,827 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-15 19:59:36,827 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 46 of 57 [2021-10-15 19:59:36,828 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-15 19:59:36,842 INFO L129 PetriNetUnfolder]: 11/43 cut-off events. [2021-10-15 19:59:36,842 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:59:36,843 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 43 events. 11/43 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 42 event pairs, 0 based on Foata normal form. 10/42 useless extension candidates. Maximal degree in co-relation 43. Up to 8 conditions per place. [2021-10-15 19:59:36,845 INFO L132 encePairwiseOnDemand]: 47/57 looper letters, 0 selfloop transitions, 0 changer transitions 0/43 dead transitions. [2021-10-15 19:59:36,845 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 43 transitions, 86 flow [2021-10-15 19:59:36,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-15 19:59:36,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-10-15 19:59:36,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 102 transitions. [2021-10-15 19:59:36,857 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8947368421052632 [2021-10-15 19:59:36,858 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 102 transitions. [2021-10-15 19:59:36,859 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 102 transitions. [2021-10-15 19:59:36,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:59:36,863 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 102 transitions. [2021-10-15 19:59:36,865 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 51.0) internal successors, (102), 2 states have internal predecessors, (102), 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) [2021-10-15 19:59:36,874 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 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) [2021-10-15 19:59:36,875 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 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) [2021-10-15 19:59:36,877 INFO L186 Difference]: Start difference. First operand has 33 places, 53 transitions, 106 flow. Second operand 2 states and 102 transitions. [2021-10-15 19:59:36,878 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 43 transitions, 86 flow [2021-10-15 19:59:36,883 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 43 transitions, 86 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-10-15 19:59:36,889 INFO L242 Difference]: Finished difference. Result has 34 places, 43 transitions, 86 flow [2021-10-15 19:59:36,891 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=57, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=86, PETRI_PLACES=34, PETRI_TRANSITIONS=43} [2021-10-15 19:59:36,892 INFO L334 CegarLoopForPetriNet]: 33 programPoint places, 1 predicate places. [2021-10-15 19:59:36,893 INFO L470 AbstractCegarLoop]: Abstraction has has 34 places, 43 transitions, 86 flow [2021-10-15 19:59:36,894 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 46.5) internal successors, (93), 2 states have internal predecessors, (93), 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) [2021-10-15 19:59:36,894 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:59:36,894 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:59:36,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-15 19:59:36,895 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 19:59:36,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:59:36,897 INFO L82 PathProgramCache]: Analyzing trace with hash 325000437, now seen corresponding path program 1 times [2021-10-15 19:59:36,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:59:36,898 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584638943] [2021-10-15 19:59:36,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:59:36,898 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:59:37,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:59:37,008 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:59:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:59:37,125 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:59:37,126 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-15 19:59:37,128 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:59:37,130 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-15 19:59:37,137 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-15 19:59:37,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 07:59:37 BoogieIcfgContainer [2021-10-15 19:59:37,193 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-15 19:59:37,197 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 19:59:37,197 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 19:59:37,197 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 19:59:37,198 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:59:36" (3/4) ... [2021-10-15 19:59:37,203 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-15 19:59:37,203 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 19:59:37,206 INFO L168 Benchmark]: Toolchain (without parser) took 1523.60 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 57.7 MB in the beginning and 70.1 MB in the end (delta: -12.4 MB). Peak memory consumption was 6.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:59:37,207 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 92.3 MB. Free memory was 63.7 MB in the beginning and 63.6 MB in the end (delta: 28.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:59:37,209 INFO L168 Benchmark]: CACSL2BoogieTranslator took 283.82 ms. Allocated memory is still 92.3 MB. Free memory was 57.4 MB in the beginning and 65.7 MB in the end (delta: -8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:59:37,211 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.78 ms. Allocated memory is still 92.3 MB. Free memory was 65.7 MB in the beginning and 64.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:59:37,216 INFO L168 Benchmark]: Boogie Preprocessor took 33.60 ms. Allocated memory is still 92.3 MB. Free memory was 64.0 MB in the beginning and 62.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:59:37,218 INFO L168 Benchmark]: RCFGBuilder took 396.12 ms. Allocated memory is still 92.3 MB. Free memory was 62.2 MB in the beginning and 47.9 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-15 19:59:37,219 INFO L168 Benchmark]: TraceAbstraction took 750.57 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 47.6 MB in the beginning and 70.7 MB in the end (delta: -23.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:59:37,222 INFO L168 Benchmark]: Witness Printer took 6.61 ms. Allocated memory is still 111.1 MB. Free memory was 70.7 MB in the beginning and 70.1 MB in the end (delta: 567.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:59:37,229 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 92.3 MB. Free memory was 63.7 MB in the beginning and 63.6 MB in the end (delta: 28.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 283.82 ms. Allocated memory is still 92.3 MB. Free memory was 57.4 MB in the beginning and 65.7 MB in the end (delta: -8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.78 ms. Allocated memory is still 92.3 MB. Free memory was 65.7 MB in the beginning and 64.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.60 ms. Allocated memory is still 92.3 MB. Free memory was 64.0 MB in the beginning and 62.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 396.12 ms. Allocated memory is still 92.3 MB. Free memory was 62.2 MB in the beginning and 47.9 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 750.57 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 47.6 MB in the beginning and 70.7 MB in the end (delta: -23.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 6.61 ms. Allocated memory is still 111.1 MB. Free memory was 70.7 MB in the beginning and 70.1 MB in the end (delta: 567.8 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: 124]: 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 123, overapproximation of someUnaryDOUBLEoperation at line 21, overapproximation of bitwiseAnd at line 48, overapproximation of someBinaryArithmeticFLOAToperation at line 52. Possible FailurePath: [L17-L36] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; VAL [halF_exp={7:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6:0}, ln2LO_exp={9:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L119] float x = 0.0f; [L39] float y, hi, lo, c, t; [L40] __int32_t k = 0, xsb, sx; [L41] __uint32_t hx; VAL [halF_exp={7:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6:0}, ln2LO_exp={9:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L44] ieee_float_shape_type gf_u; [L45] gf_u.value = (x) [L46] EXPR gf_u.word [L46] (sx) = gf_u.word [L48] xsb = (sx >> 31) & 1 [L49] hx = sx & 0x7fffffff VAL [halF_exp={7:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6:0}, ln2LO_exp={9:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L51] COND TRUE ((hx) > 0x7f800000L) [L52] return x + x; VAL [halF_exp={7:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6:0}, ln2LO_exp={9:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L120] float res = __ieee754_expf(x); [L123] COND TRUE res != 1.0f VAL [halF_exp={7:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6:0}, ln2LO_exp={9:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L124] reach_error() VAL [halF_exp={7:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6:0}, ln2LO_exp={9:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 4.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 624.7ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 75.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 49.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 0 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=106occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 15.3ms SsaConstructionTime, 136.6ms SatisfiabilityAnalysisTime, 56.7ms InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 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 [2021-10-15 19:59:37,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866f4f48-c7ba-4db6-9585-8fc542444232/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-15 19:59:39,736 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:59:39,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:59:39,772 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:59:39,773 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:59:39,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:59:39,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:59:39,779 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:59:39,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:59:39,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:59:39,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:59:39,786 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:59:39,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:59:39,788 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:59:39,789 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:59:39,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:59:39,792 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:59:39,793 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:59:39,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:59:39,805 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:59:39,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:59:39,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:59:39,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:59:39,818 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:59:39,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:59:39,826 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:59:39,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:59:39,827 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:59:39,828 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:59:39,829 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:59:39,829 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:59:39,830 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:59:39,831 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:59:39,832 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:59:39,833 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:59:39,837 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:59:39,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:59:39,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:59:39,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:59:39,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:59:39,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:59:39,850 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866f4f48-c7ba-4db6-9585-8fc542444232/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-15 19:59:39,901 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:59:39,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:59:39,902 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:59:39,902 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:59:39,904 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:59:39,904 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:59:39,904 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:59:39,904 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:59:39,905 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:59:39,905 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:59:39,906 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:59:39,906 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:59:39,907 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:59:39,907 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:59:39,907 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-15 19:59:39,907 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-15 19:59:39,907 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:59:39,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:59:39,908 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:59:39,908 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:59:39,908 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:59:39,908 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:59:39,909 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:59:39,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:59:39,909 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:59:39,909 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:59:39,910 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:59:39,910 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-15 19:59:39,910 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-15 19:59:39,910 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:59:39,910 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:59:39,911 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:59:39,911 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:59:39,911 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-15 19:59:39,911 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_866f4f48-c7ba-4db6-9585-8fc542444232/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866f4f48-c7ba-4db6-9585-8fc542444232/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7bef213e800d9f1856c750fa5b59ba443e11e7ea [2021-10-15 19:59:40,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:59:40,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:59:40,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:59:40,335 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:59:40,336 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:59:40,337 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866f4f48-c7ba-4db6-9585-8fc542444232/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/float-newlib/float_req_bl_0832a.c [2021-10-15 19:59:40,398 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866f4f48-c7ba-4db6-9585-8fc542444232/bin/uautomizer-hJ6jxDFKc3/data/ecb8945b7/9358acd1640e43e782e9d9d64663a3a6/FLAG168ae008c [2021-10-15 19:59:40,855 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:59:40,856 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866f4f48-c7ba-4db6-9585-8fc542444232/sv-benchmarks/c/float-newlib/float_req_bl_0832a.c [2021-10-15 19:59:40,869 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866f4f48-c7ba-4db6-9585-8fc542444232/bin/uautomizer-hJ6jxDFKc3/data/ecb8945b7/9358acd1640e43e782e9d9d64663a3a6/FLAG168ae008c [2021-10-15 19:59:41,228 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866f4f48-c7ba-4db6-9585-8fc542444232/bin/uautomizer-hJ6jxDFKc3/data/ecb8945b7/9358acd1640e43e782e9d9d64663a3a6 [2021-10-15 19:59:41,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:59:41,233 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:59:41,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:59:41,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:59:41,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:59:41,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:59:41" (1/1) ... [2021-10-15 19:59:41,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22732d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:59:41, skipping insertion in model container [2021-10-15 19:59:41,244 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:59:41" (1/1) ... [2021-10-15 19:59:41,251 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:59:41,282 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:59:41,460 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_866f4f48-c7ba-4db6-9585-8fc542444232/sv-benchmarks/c/float-newlib/float_req_bl_0832a.c[3180,3193] [2021-10-15 19:59:41,463 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:59:41,483 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:59:41,570 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_866f4f48-c7ba-4db6-9585-8fc542444232/sv-benchmarks/c/float-newlib/float_req_bl_0832a.c[3180,3193] [2021-10-15 19:59:41,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:59:41,596 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:59:41,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:59:41 WrapperNode [2021-10-15 19:59:41,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:59:41,598 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:59:41,598 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:59:41,599 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:59:41,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:59:41" (1/1) ... [2021-10-15 19:59:41,631 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:59:41" (1/1) ... [2021-10-15 19:59:41,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:59:41,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:59:41,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:59:41,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:59:41,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:59:41" (1/1) ... [2021-10-15 19:59:41,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:59:41" (1/1) ... [2021-10-15 19:59:41,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:59:41" (1/1) ... [2021-10-15 19:59:41,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:59:41" (1/1) ... [2021-10-15 19:59:41,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:59:41" (1/1) ... [2021-10-15 19:59:41,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:59:41" (1/1) ... [2021-10-15 19:59:41,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:59:41" (1/1) ... [2021-10-15 19:59:41,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:59:41,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:59:41,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:59:41,713 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:59:41,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:59:41" (1/1) ... [2021-10-15 19:59:41,721 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:59:41,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866f4f48-c7ba-4db6-9585-8fc542444232/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:59:41,764 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866f4f48-c7ba-4db6-9585-8fc542444232/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:59:41,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866f4f48-c7ba-4db6-9585-8fc542444232/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:59:41,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-10-15 19:59:41,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-15 19:59:41,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:59:41,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-15 19:59:41,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-15 19:59:41,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:59:41,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:59:41,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-15 19:59:41,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-15 19:59:41,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 19:59:52,129 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:59:52,129 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-10-15 19:59:52,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:59:52 BoogieIcfgContainer [2021-10-15 19:59:52,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:59:52,135 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:59:52,135 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:59:52,139 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:59:52,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:59:41" (1/3) ... [2021-10-15 19:59:52,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3635134 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:59:52, skipping insertion in model container [2021-10-15 19:59:52,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:59:41" (2/3) ... [2021-10-15 19:59:52,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3635134 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:59:52, skipping insertion in model container [2021-10-15 19:59:52,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:59:52" (3/3) ... [2021-10-15 19:59:52,144 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0832a.c [2021-10-15 19:59:52,151 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:59:52,151 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 19:59:52,209 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:59:52,216 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=PETRI_NET, 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 [2021-10-15 19:59:52,217 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 19:59:52,230 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 57 transitions, 114 flow [2021-10-15 19:59:52,262 INFO L129 PetriNetUnfolder]: 22/57 cut-off events. [2021-10-15 19:59:52,263 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:59:52,265 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 57 events. 22/57 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 75 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 0. Up to 8 conditions per place. [2021-10-15 19:59:52,265 INFO L82 GeneralOperation]: Start removeDead. Operand has 36 places, 57 transitions, 114 flow [2021-10-15 19:59:52,271 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 33 places, 53 transitions, 106 flow [2021-10-15 19:59:52,276 INFO L129 PetriNetUnfolder]: 6/19 cut-off events. [2021-10-15 19:59:52,276 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:59:52,277 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:59:52,278 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:59:52,278 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 19:59:52,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:59:52,285 INFO L82 PathProgramCache]: Analyzing trace with hash 354246130, now seen corresponding path program 1 times [2021-10-15 19:59:52,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-15 19:59:52,321 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [882700663] [2021-10-15 19:59:52,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:59:52,322 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-15 19:59:52,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866f4f48-c7ba-4db6-9585-8fc542444232/bin/uautomizer-hJ6jxDFKc3/mathsat [2021-10-15 19:59:52,328 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866f4f48-c7ba-4db6-9585-8fc542444232/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-15 19:59:52,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866f4f48-c7ba-4db6-9585-8fc542444232/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-15 19:59:52,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866f4f48-c7ba-4db6-9585-8fc542444232/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-15 19:59:52,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866f4f48-c7ba-4db6-9585-8fc542444232/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 [2021-10-15 19:59:52,628 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 [2021-10-15 19:59:52,634 INFO L168 Benchmark]: Toolchain (without parser) took 11399.38 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.2 MB in the beginning and 43.5 MB in the end (delta: -13.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:59:52,635 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 54.5 MB. Free memory was 34.7 MB in the beginning and 34.7 MB in the end (delta: 34.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:59:52,636 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.01 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.1 MB in the beginning and 47.5 MB in the end (delta: -17.4 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2021-10-15 19:59:52,636 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.42 ms. Allocated memory is still 67.1 MB. Free memory was 47.5 MB in the beginning and 45.4 MB in the end (delta: 2.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:59:52,637 INFO L168 Benchmark]: Boogie Preprocessor took 39.18 ms. Allocated memory is still 67.1 MB. Free memory was 45.4 MB in the beginning and 43.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:59:52,638 INFO L168 Benchmark]: RCFGBuilder took 10419.54 ms. Allocated memory is still 67.1 MB. Free memory was 43.4 MB in the beginning and 39.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 12.7 MB. Max. memory is 16.1 GB. [2021-10-15 19:59:52,639 INFO L168 Benchmark]: TraceAbstraction took 496.01 ms. Allocated memory is still 67.1 MB. Free memory was 38.8 MB in the beginning and 43.5 MB in the end (delta: -4.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:59:52,647 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 54.5 MB. Free memory was 34.7 MB in the beginning and 34.7 MB in the end (delta: 34.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 361.01 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.1 MB in the beginning and 47.5 MB in the end (delta: -17.4 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.42 ms. Allocated memory is still 67.1 MB. Free memory was 47.5 MB in the beginning and 45.4 MB in the end (delta: 2.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.18 ms. Allocated memory is still 67.1 MB. Free memory was 45.4 MB in the beginning and 43.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 10419.54 ms. Allocated memory is still 67.1 MB. Free memory was 43.4 MB in the beginning and 39.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 12.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 496.01 ms. Allocated memory is still 67.1 MB. Free memory was 38.8 MB in the beginning and 43.5 MB in the end (delta: -4.7 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. [2021-10-15 19:59:52,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_866f4f48-c7ba-4db6-9585-8fc542444232/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...