./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0685a.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_3a330f1c-bef7-4583-ae98-3fbf191d79f2/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a330f1c-bef7-4583-ae98-3fbf191d79f2/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a330f1c-bef7-4583-ae98-3fbf191d79f2/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a330f1c-bef7-4583-ae98-3fbf191d79f2/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0685a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a330f1c-bef7-4583-ae98-3fbf191d79f2/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a330f1c-bef7-4583-ae98-3fbf191d79f2/bin/uautomizer-WNIpwEf4Nt --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 9dce5de56b3e777b19b917dcfd58eea77ae7360f ................................................................................................................................................................................................................................................................................................................................ 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_3a330f1c-bef7-4583-ae98-3fbf191d79f2/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a330f1c-bef7-4583-ae98-3fbf191d79f2/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a330f1c-bef7-4583-ae98-3fbf191d79f2/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a330f1c-bef7-4583-ae98-3fbf191d79f2/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0685a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a330f1c-bef7-4583-ae98-3fbf191d79f2/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a330f1c-bef7-4583-ae98-3fbf191d79f2/bin/uautomizer-WNIpwEf4Nt --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 9dce5de56b3e777b19b917dcfd58eea77ae7360f ................................................................................................................................................................................................................................................................... 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 01:03:22,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:03:22,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:03:22,347 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:03:22,348 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:03:22,354 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:03:22,356 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:03:22,360 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:03:22,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:03:22,371 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:03:22,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:03:22,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:03:22,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:03:22,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:03:22,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:03:22,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:03:22,391 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:03:22,393 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:03:22,395 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:03:22,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:03:22,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:03:22,407 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:03:22,411 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:03:22,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:03:22,416 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:03:22,417 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:03:22,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:03:22,420 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:03:22,420 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:03:22,422 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:03:22,423 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:03:22,424 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:03:22,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:03:22,428 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:03:22,430 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:03:22,430 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:03:22,431 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:03:22,431 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:03:22,432 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:03:22,433 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:03:22,434 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:03:22,435 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a330f1c-bef7-4583-ae98-3fbf191d79f2/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 01:03:22,479 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:03:22,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:03:22,481 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:03:22,481 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:03:22,489 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:03:22,490 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:03:22,490 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:03:22,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:03:22,491 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 01:03:22,491 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:03:22,492 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 01:03:22,492 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:03:22,492 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 01:03:22,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 01:03:22,493 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 01:03:22,493 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 01:03:22,493 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:03:22,494 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:03:22,494 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 01:03:22,494 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:03:22,495 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:03:22,495 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 01:03:22,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:03:22,495 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:03:22,496 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 01:03:22,496 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 01:03:22,496 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:03:22,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 01:03:22,497 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 01:03:22,498 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:03:22,499 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_3a330f1c-bef7-4583-ae98-3fbf191d79f2/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a330f1c-bef7-4583-ae98-3fbf191d79f2/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9dce5de56b3e777b19b917dcfd58eea77ae7360f [2021-10-13 01:03:22,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:03:22,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:03:22,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:03:22,786 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:03:22,787 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:03:22,788 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a330f1c-bef7-4583-ae98-3fbf191d79f2/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/float-newlib/float_req_bl_0685a.c [2021-10-13 01:03:22,869 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a330f1c-bef7-4583-ae98-3fbf191d79f2/bin/uautomizer-WNIpwEf4Nt/data/23aa633ad/40b1942d80944785b92fce39849bfa63/FLAG3373bb27d [2021-10-13 01:03:23,446 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:03:23,447 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a330f1c-bef7-4583-ae98-3fbf191d79f2/sv-benchmarks/c/float-newlib/float_req_bl_0685a.c [2021-10-13 01:03:23,473 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a330f1c-bef7-4583-ae98-3fbf191d79f2/bin/uautomizer-WNIpwEf4Nt/data/23aa633ad/40b1942d80944785b92fce39849bfa63/FLAG3373bb27d [2021-10-13 01:03:23,808 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a330f1c-bef7-4583-ae98-3fbf191d79f2/bin/uautomizer-WNIpwEf4Nt/data/23aa633ad/40b1942d80944785b92fce39849bfa63 [2021-10-13 01:03:23,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:03:23,826 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:03:23,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:03:23,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:03:23,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:03:23,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:03:23" (1/1) ... [2021-10-13 01:03:23,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ea0f412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:23, skipping insertion in model container [2021-10-13 01:03:23,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:03:23" (1/1) ... [2021-10-13 01:03:23,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:03:23,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:03:24,131 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_3a330f1c-bef7-4583-ae98-3fbf191d79f2/sv-benchmarks/c/float-newlib/float_req_bl_0685a.c[5273,5286] [2021-10-13 01:03:24,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:03:24,154 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:03:24,200 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_3a330f1c-bef7-4583-ae98-3fbf191d79f2/sv-benchmarks/c/float-newlib/float_req_bl_0685a.c[5273,5286] [2021-10-13 01:03:24,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:03:24,235 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:03:24,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:24 WrapperNode [2021-10-13 01:03:24,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:03:24,237 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:03:24,237 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:03:24,237 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:03:24,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:24" (1/1) ... [2021-10-13 01:03:24,274 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:24" (1/1) ... [2021-10-13 01:03:24,336 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:03:24,343 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:03:24,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:03:24,343 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:03:24,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:24" (1/1) ... [2021-10-13 01:03:24,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:24" (1/1) ... [2021-10-13 01:03:24,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:24" (1/1) ... [2021-10-13 01:03:24,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:24" (1/1) ... [2021-10-13 01:03:24,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:24" (1/1) ... [2021-10-13 01:03:24,414 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:24" (1/1) ... [2021-10-13 01:03:24,417 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:24" (1/1) ... [2021-10-13 01:03:24,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:03:24,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:03:24,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:03:24,424 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:03:24,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:24" (1/1) ... [2021-10-13 01:03:24,435 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:03:24,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a330f1c-bef7-4583-ae98-3fbf191d79f2/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:03:24,459 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a330f1c-bef7-4583-ae98-3fbf191d79f2/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 01:03:24,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a330f1c-bef7-4583-ae98-3fbf191d79f2/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 01:03:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 01:03:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:03:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-13 01:03:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 01:03:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-13 01:03:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:03:24,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:03:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 01:03:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-13 01:03:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 01:03:25,288 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:03:25,288 INFO L299 CfgBuilder]: Removed 40 assume(true) statements. [2021-10-13 01:03:25,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:03:25 BoogieIcfgContainer [2021-10-13 01:03:25,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:03:25,305 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 01:03:25,305 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 01:03:25,309 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 01:03:25,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:03:23" (1/3) ... [2021-10-13 01:03:25,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e4ac936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:03:25, skipping insertion in model container [2021-10-13 01:03:25,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:24" (2/3) ... [2021-10-13 01:03:25,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e4ac936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:03:25, skipping insertion in model container [2021-10-13 01:03:25,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:03:25" (3/3) ... [2021-10-13 01:03:25,312 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0685a.c [2021-10-13 01:03:25,318 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 01:03:25,318 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 01:03:25,386 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 01:03:25,394 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 01:03:25,395 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 01:03:25,418 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 107 states have (on average 1.7009345794392523) internal successors, (182), 108 states have internal predecessors, (182), 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 01:03:25,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 01:03:25,434 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:03:25,435 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:03:25,436 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:03:25,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:03:25,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1264035265, now seen corresponding path program 1 times [2021-10-13 01:03:25,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:03:25,458 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225216104] [2021-10-13 01:03:25,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:03:25,459 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:03:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:03:25,687 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 01:03:25,688 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:03:25,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225216104] [2021-10-13 01:03:25,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225216104] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:03:25,689 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:03:25,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 01:03:25,694 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500649526] [2021-10-13 01:03:25,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 01:03:25,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:03:25,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 01:03:25,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 01:03:25,719 INFO L87 Difference]: Start difference. First operand has 109 states, 107 states have (on average 1.7009345794392523) internal successors, (182), 108 states have internal predecessors, (182), 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 01:03:25,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:03:25,767 INFO L93 Difference]: Finished difference Result 216 states and 362 transitions. [2021-10-13 01:03:25,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 01:03:25,769 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 01:03:25,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:03:25,783 INFO L225 Difference]: With dead ends: 216 [2021-10-13 01:03:25,783 INFO L226 Difference]: Without dead ends: 106 [2021-10-13 01:03:25,788 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 01:03:25,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2021-10-13 01:03:25,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2021-10-13 01:03:25,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 105 states have (on average 1.4666666666666666) internal successors, (154), 105 states have internal predecessors, (154), 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 01:03:25,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 154 transitions. [2021-10-13 01:03:25,849 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 154 transitions. Word has length 10 [2021-10-13 01:03:25,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:03:25,851 INFO L470 AbstractCegarLoop]: Abstraction has 106 states and 154 transitions. [2021-10-13 01:03:25,851 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 01:03:25,851 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 154 transitions. [2021-10-13 01:03:25,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 01:03:25,853 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:03:25,853 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:03:25,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 01:03:25,854 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:03:25,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:03:25,857 INFO L82 PathProgramCache]: Analyzing trace with hash -925353302, now seen corresponding path program 1 times [2021-10-13 01:03:25,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:03:25,858 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386920376] [2021-10-13 01:03:25,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:03:25,858 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:03:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:03:25,970 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:03:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:03:26,061 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:03:26,066 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 01:03:26,068 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:03:26,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 01:03:26,076 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 01:03:26,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 01:03:26 BoogieIcfgContainer [2021-10-13 01:03:26,126 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 01:03:26,127 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:03:26,127 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:03:26,127 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:03:26,128 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:03:25" (3/4) ... [2021-10-13 01:03:26,131 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 01:03:26,131 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:03:26,133 INFO L168 Benchmark]: Toolchain (without parser) took 2306.24 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 69.5 MB in the beginning and 57.7 MB in the end (delta: 11.7 MB). Peak memory consumption was 32.2 MB. Max. memory is 16.1 GB. [2021-10-13 01:03:26,134 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 100.7 MB. Free memory is still 53.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:03:26,156 INFO L168 Benchmark]: CACSL2BoogieTranslator took 396.30 ms. Allocated memory is still 100.7 MB. Free memory was 69.5 MB in the beginning and 72.0 MB in the end (delta: -2.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 01:03:26,157 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.35 ms. Allocated memory is still 100.7 MB. Free memory was 72.0 MB in the beginning and 68.8 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 01:03:26,158 INFO L168 Benchmark]: Boogie Preprocessor took 80.64 ms. Allocated memory is still 100.7 MB. Free memory was 68.8 MB in the beginning and 66.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:03:26,158 INFO L168 Benchmark]: RCFGBuilder took 879.17 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 65.7 MB in the beginning and 91.7 MB in the end (delta: -26.0 MB). Peak memory consumption was 26.9 MB. Max. memory is 16.1 GB. [2021-10-13 01:03:26,159 INFO L168 Benchmark]: TraceAbstraction took 821.72 ms. Allocated memory is still 121.6 MB. Free memory was 91.7 MB in the beginning and 58.1 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2021-10-13 01:03:26,160 INFO L168 Benchmark]: Witness Printer took 4.44 ms. Allocated memory is still 121.6 MB. Free memory is still 57.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:03:26,163 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 100.7 MB. Free memory is still 53.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 396.30 ms. Allocated memory is still 100.7 MB. Free memory was 69.5 MB in the beginning and 72.0 MB in the end (delta: -2.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 105.35 ms. Allocated memory is still 100.7 MB. Free memory was 72.0 MB in the beginning and 68.8 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 80.64 ms. Allocated memory is still 100.7 MB. Free memory was 68.8 MB in the beginning and 66.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 879.17 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 65.7 MB in the beginning and 91.7 MB in the end (delta: -26.0 MB). Peak memory consumption was 26.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 821.72 ms. Allocated memory is still 121.6 MB. Free memory was 91.7 MB in the beginning and 58.1 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. * Witness Printer took 4.44 ms. Allocated memory is still 121.6 MB. Free memory is still 57.7 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: 229]: 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 228, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, 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] [L222] float x = -1.0f / 0.0f; [L223] float y = 1.0f / 0.0f; [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, 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={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, 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={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, 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={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, 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] [L225] float res = __ieee754_atan2f(y, x); [L228] COND TRUE res != 3 * pi_o_4 VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, 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] [L229] reach_error() VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, 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, 109 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 691.1ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 22.7ms, AutomataDifference: 87.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 17.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 157 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=109occurred 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: 45.9ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 20.9ms SsaConstructionTime, 155.3ms SatisfiabilityAnalysisTime, 88.5ms 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 01:03:26,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a330f1c-bef7-4583-ae98-3fbf191d79f2/bin/uautomizer-WNIpwEf4Nt/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 01:03:28,800 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:03:28,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:03:28,854 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:03:28,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:03:28,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:03:28,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:03:28,874 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:03:28,878 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:03:28,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:03:28,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:03:28,887 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:03:28,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:03:28,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:03:28,893 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:03:28,895 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:03:28,896 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:03:28,897 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:03:28,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:03:28,913 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:03:28,915 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:03:28,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:03:28,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:03:28,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:03:28,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:03:28,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:03:28,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:03:28,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:03:28,925 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:03:28,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:03:28,927 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:03:28,928 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:03:28,929 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:03:28,930 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:03:28,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:03:28,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:03:28,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:03:28,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:03:28,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:03:28,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:03:28,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:03:28,935 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a330f1c-bef7-4583-ae98-3fbf191d79f2/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-13 01:03:28,968 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:03:28,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:03:28,972 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:03:28,973 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:03:28,974 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:03:28,975 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:03:28,975 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:03:28,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:03:28,975 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 01:03:28,976 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 01:03:28,977 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:03:28,977 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 01:03:28,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 01:03:28,978 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 01:03:28,978 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 01:03:28,978 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 01:03:28,978 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 01:03:28,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:03:28,979 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:03:28,979 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 01:03:28,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:03:28,980 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:03:28,980 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 01:03:28,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:03:28,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:03:28,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 01:03:28,981 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 01:03:28,982 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-13 01:03:28,982 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 01:03:28,982 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 01:03:28,982 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:03:28,983 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 01:03:28,983 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_3a330f1c-bef7-4583-ae98-3fbf191d79f2/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a330f1c-bef7-4583-ae98-3fbf191d79f2/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9dce5de56b3e777b19b917dcfd58eea77ae7360f [2021-10-13 01:03:29,421 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:03:29,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:03:29,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:03:29,448 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:03:29,449 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:03:29,450 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a330f1c-bef7-4583-ae98-3fbf191d79f2/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/float-newlib/float_req_bl_0685a.c [2021-10-13 01:03:29,524 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a330f1c-bef7-4583-ae98-3fbf191d79f2/bin/uautomizer-WNIpwEf4Nt/data/0c7436fc5/029d9bea88e845bd9f557c9f1d97c757/FLAG8b2f5344a [2021-10-13 01:03:30,221 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:03:30,222 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a330f1c-bef7-4583-ae98-3fbf191d79f2/sv-benchmarks/c/float-newlib/float_req_bl_0685a.c [2021-10-13 01:03:30,235 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a330f1c-bef7-4583-ae98-3fbf191d79f2/bin/uautomizer-WNIpwEf4Nt/data/0c7436fc5/029d9bea88e845bd9f557c9f1d97c757/FLAG8b2f5344a [2021-10-13 01:03:30,507 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a330f1c-bef7-4583-ae98-3fbf191d79f2/bin/uautomizer-WNIpwEf4Nt/data/0c7436fc5/029d9bea88e845bd9f557c9f1d97c757 [2021-10-13 01:03:30,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:03:30,512 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:03:30,514 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:03:30,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:03:30,519 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:03:30,520 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:03:30" (1/1) ... [2021-10-13 01:03:30,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1443bf7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:30, skipping insertion in model container [2021-10-13 01:03:30,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:03:30" (1/1) ... [2021-10-13 01:03:30,531 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:03:30,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:03:30,802 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_3a330f1c-bef7-4583-ae98-3fbf191d79f2/sv-benchmarks/c/float-newlib/float_req_bl_0685a.c[5273,5286] [2021-10-13 01:03:30,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:03:30,853 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:03:30,934 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_3a330f1c-bef7-4583-ae98-3fbf191d79f2/sv-benchmarks/c/float-newlib/float_req_bl_0685a.c[5273,5286] [2021-10-13 01:03:30,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:03:30,958 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:03:30,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:30 WrapperNode [2021-10-13 01:03:30,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:03:30,959 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:03:30,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:03:30,960 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:03:30,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:30" (1/1) ... [2021-10-13 01:03:30,989 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:30" (1/1) ... [2021-10-13 01:03:31,040 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:03:31,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:03:31,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:03:31,042 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:03:31,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:30" (1/1) ... [2021-10-13 01:03:31,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:30" (1/1) ... [2021-10-13 01:03:31,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:30" (1/1) ... [2021-10-13 01:03:31,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:30" (1/1) ... [2021-10-13 01:03:31,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:30" (1/1) ... [2021-10-13 01:03:31,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:30" (1/1) ... [2021-10-13 01:03:31,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:30" (1/1) ... [2021-10-13 01:03:31,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:03:31,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:03:31,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:03:31,162 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:03:31,172 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:30" (1/1) ... [2021-10-13 01:03:31,181 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:03:31,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a330f1c-bef7-4583-ae98-3fbf191d79f2/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:03:31,207 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a330f1c-bef7-4583-ae98-3fbf191d79f2/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 01:03:31,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a330f1c-bef7-4583-ae98-3fbf191d79f2/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 01:03:31,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-10-13 01:03:31,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 01:03:31,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:03:31,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-13 01:03:31,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 01:03:31,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:03:31,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:03:31,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-13 01:03:31,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 01:03:31,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 01:03:57,079 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:03:57,080 INFO L299 CfgBuilder]: Removed 40 assume(true) statements. [2021-10-13 01:03:57,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:03:57 BoogieIcfgContainer [2021-10-13 01:03:57,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:03:57,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 01:03:57,085 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 01:03:57,088 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 01:03:57,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:03:30" (1/3) ... [2021-10-13 01:03:57,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fe9b31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:03:57, skipping insertion in model container [2021-10-13 01:03:57,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:30" (2/3) ... [2021-10-13 01:03:57,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fe9b31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:03:57, skipping insertion in model container [2021-10-13 01:03:57,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:03:57" (3/3) ... [2021-10-13 01:03:57,092 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0685a.c [2021-10-13 01:03:57,098 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 01:03:57,098 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 01:03:57,156 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 01:03:57,163 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 01:03:57,163 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 01:03:57,183 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 107 states have (on average 1.7009345794392523) internal successors, (182), 108 states have internal predecessors, (182), 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 01:03:57,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 01:03:57,188 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:03:57,189 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:03:57,190 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:03:57,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:03:57,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1264035265, now seen corresponding path program 1 times [2021-10-13 01:03:57,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 01:03:57,210 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [761679181] [2021-10-13 01:03:57,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:03:57,211 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 01:03:57,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a330f1c-bef7-4583-ae98-3fbf191d79f2/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 01:03:57,215 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a330f1c-bef7-4583-ae98-3fbf191d79f2/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 01:03:57,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a330f1c-bef7-4583-ae98-3fbf191d79f2/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 01:03:57,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a330f1c-bef7-4583-ae98-3fbf191d79f2/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 01:03:57,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a330f1c-bef7-4583-ae98-3fbf191d79f2/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 01:03:57,506 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 01:03:57,511 INFO L168 Benchmark]: Toolchain (without parser) took 26997.87 ms. Allocated memory was 69.2 MB in the beginning and 100.7 MB in the end (delta: 31.5 MB). Free memory was 50.5 MB in the beginning and 70.8 MB in the end (delta: -20.3 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2021-10-13 01:03:57,512 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 69.2 MB. Free memory is still 49.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:03:57,512 INFO L168 Benchmark]: CACSL2BoogieTranslator took 445.13 ms. Allocated memory is still 69.2 MB. Free memory was 50.3 MB in the beginning and 48.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 01:03:57,513 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.13 ms. Allocated memory is still 69.2 MB. Free memory was 48.2 MB in the beginning and 44.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:03:57,514 INFO L168 Benchmark]: Boogie Preprocessor took 119.85 ms. Allocated memory is still 69.2 MB. Free memory was 44.7 MB in the beginning and 41.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 01:03:57,515 INFO L168 Benchmark]: RCFGBuilder took 25920.97 ms. Allocated memory is still 69.2 MB. Free memory was 41.3 MB in the beginning and 30.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. [2021-10-13 01:03:57,516 INFO L168 Benchmark]: TraceAbstraction took 424.54 ms. Allocated memory was 69.2 MB in the beginning and 100.7 MB in the end (delta: 31.5 MB). Free memory was 29.9 MB in the beginning and 70.8 MB in the end (delta: -40.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:03:57,519 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 69.2 MB. Free memory is still 49.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 445.13 ms. Allocated memory is still 69.2 MB. Free memory was 50.3 MB in the beginning and 48.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.13 ms. Allocated memory is still 69.2 MB. Free memory was 48.2 MB in the beginning and 44.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 119.85 ms. Allocated memory is still 69.2 MB. Free memory was 44.7 MB in the beginning and 41.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 25920.97 ms. Allocated memory is still 69.2 MB. Free memory was 41.3 MB in the beginning and 30.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 424.54 ms. Allocated memory was 69.2 MB in the beginning and 100.7 MB in the end (delta: 31.5 MB). Free memory was 29.9 MB in the beginning and 70.8 MB in the end (delta: -40.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:232) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-13 01:03:57,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a330f1c-bef7-4583-ae98-3fbf191d79f2/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...