./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0681a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52e06f6-4170-4df2-b592-42be5ace771f/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52e06f6-4170-4df2-b592-42be5ace771f/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_e52e06f6-4170-4df2-b592-42be5ace771f/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52e06f6-4170-4df2-b592-42be5ace771f/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0681a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52e06f6-4170-4df2-b592-42be5ace771f/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_e52e06f6-4170-4df2-b592-42be5ace771f/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 50b586478a7305427fbe78a3e49b383cfc2fc5af .......................................................................................................................................................................................................................................................................................................................................... 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_e52e06f6-4170-4df2-b592-42be5ace771f/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52e06f6-4170-4df2-b592-42be5ace771f/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_e52e06f6-4170-4df2-b592-42be5ace771f/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52e06f6-4170-4df2-b592-42be5ace771f/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0681a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52e06f6-4170-4df2-b592-42be5ace771f/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_e52e06f6-4170-4df2-b592-42be5ace771f/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 50b586478a7305427fbe78a3e49b383cfc2fc5af .................................................................................................................................................................................................................................................................... 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 00:32:54,272 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:32:54,275 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:32:54,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:32:54,347 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:32:54,354 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:32:54,357 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:32:54,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:32:54,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:32:54,375 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:32:54,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:32:54,379 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:32:54,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:32:54,384 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:32:54,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:32:54,394 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:32:54,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:32:54,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:32:54,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:32:54,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:32:54,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:32:54,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:32:54,412 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:32:54,413 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:32:54,425 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:32:54,426 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:32:54,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:32:54,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:32:54,430 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:32:54,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:32:54,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:32:54,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:32:54,436 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:32:54,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:32:54,439 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:32:54,440 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:32:54,440 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:32:54,441 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:32:54,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:32:54,442 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:32:54,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:32:54,444 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52e06f6-4170-4df2-b592-42be5ace771f/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 00:32:54,497 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:32:54,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:32:54,499 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:32:54,499 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:32:54,500 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:32:54,501 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:32:54,508 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:32:54,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:32:54,509 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:32:54,509 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:32:54,510 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:32:54,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:32:54,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:32:54,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:32:54,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:32:54,512 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:32:54,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:32:54,512 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:32:54,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:32:54,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:32:54,513 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:32:54,513 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:32:54,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:32:54,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:32:54,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:32:54,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:32:54,515 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:32:54,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:32:54,515 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:32:54,517 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:32:54,517 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_e52e06f6-4170-4df2-b592-42be5ace771f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52e06f6-4170-4df2-b592-42be5ace771f/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50b586478a7305427fbe78a3e49b383cfc2fc5af [2021-10-13 00:32:54,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:32:54,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:32:54,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:32:54,881 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:32:54,882 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:32:54,883 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52e06f6-4170-4df2-b592-42be5ace771f/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/float-newlib/double_req_bl_0681a.c [2021-10-13 00:32:54,972 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52e06f6-4170-4df2-b592-42be5ace771f/bin/uautomizer-WNIpwEf4Nt/data/7628435ad/d13bcc78b46343da93b4364d36d994ad/FLAG0e27006b5 [2021-10-13 00:32:55,652 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:32:55,652 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52e06f6-4170-4df2-b592-42be5ace771f/sv-benchmarks/c/float-newlib/double_req_bl_0681a.c [2021-10-13 00:32:55,662 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52e06f6-4170-4df2-b592-42be5ace771f/bin/uautomizer-WNIpwEf4Nt/data/7628435ad/d13bcc78b46343da93b4364d36d994ad/FLAG0e27006b5 [2021-10-13 00:32:55,967 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52e06f6-4170-4df2-b592-42be5ace771f/bin/uautomizer-WNIpwEf4Nt/data/7628435ad/d13bcc78b46343da93b4364d36d994ad [2021-10-13 00:32:55,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:32:55,972 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:32:55,973 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:32:55,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:32:55,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:32:55,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:32:55" (1/1) ... [2021-10-13 00:32:55,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d59e168 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:55, skipping insertion in model container [2021-10-13 00:32:55,981 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:32:55" (1/1) ... [2021-10-13 00:32:55,990 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:32:56,019 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:32:56,341 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_e52e06f6-4170-4df2-b592-42be5ace771f/sv-benchmarks/c/float-newlib/double_req_bl_0681a.c[6389,6402] [2021-10-13 00:32:56,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:32:56,357 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:32:56,473 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_e52e06f6-4170-4df2-b592-42be5ace771f/sv-benchmarks/c/float-newlib/double_req_bl_0681a.c[6389,6402] [2021-10-13 00:32:56,474 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:32:56,499 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:32:56,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:56 WrapperNode [2021-10-13 00:32:56,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:32:56,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:32:56,511 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:32:56,512 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:32:56,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:56" (1/1) ... [2021-10-13 00:32:56,535 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:56" (1/1) ... [2021-10-13 00:32:56,594 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:32:56,595 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:32:56,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:32:56,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:32:56,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:56" (1/1) ... [2021-10-13 00:32:56,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:56" (1/1) ... [2021-10-13 00:32:56,618 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:56" (1/1) ... [2021-10-13 00:32:56,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:56" (1/1) ... [2021-10-13 00:32:56,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:56" (1/1) ... [2021-10-13 00:32:56,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:56" (1/1) ... [2021-10-13 00:32:56,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:56" (1/1) ... [2021-10-13 00:32:56,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:32:56,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:32:56,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:32:56,719 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:32:56,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:56" (1/1) ... [2021-10-13 00:32:56,743 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:32:56,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52e06f6-4170-4df2-b592-42be5ace771f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:32:56,777 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52e06f6-4170-4df2-b592-42be5ace771f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:32:56,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52e06f6-4170-4df2-b592-42be5ace771f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:32:56,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:32:56,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:32:56,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-13 00:32:56,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:32:56,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-13 00:32:56,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:32:56,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:32:56,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 00:32:56,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-13 00:32:56,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:32:57,910 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:32:57,910 INFO L299 CfgBuilder]: Removed 48 assume(true) statements. [2021-10-13 00:32:57,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:32:57 BoogieIcfgContainer [2021-10-13 00:32:57,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:32:57,926 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:32:57,926 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:32:57,933 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:32:57,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:32:55" (1/3) ... [2021-10-13 00:32:57,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34f7d513 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:32:57, skipping insertion in model container [2021-10-13 00:32:57,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:56" (2/3) ... [2021-10-13 00:32:57,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34f7d513 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:32:57, skipping insertion in model container [2021-10-13 00:32:57,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:32:57" (3/3) ... [2021-10-13 00:32:57,937 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0681a.c [2021-10-13 00:32:57,948 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:32:57,948 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 00:32:58,028 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:32:58,042 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 00:32:58,042 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 00:32:58,073 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 116 states have (on average 1.706896551724138) internal successors, (198), 117 states have internal predecessors, (198), 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 00:32:58,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 00:32:58,079 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:32:58,080 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:32:58,080 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:32:58,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:32:58,087 INFO L82 PathProgramCache]: Analyzing trace with hash 531143789, now seen corresponding path program 1 times [2021-10-13 00:32:58,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:32:58,099 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622530399] [2021-10-13 00:32:58,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:32:58,101 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:32:58,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:32:58,308 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 00:32:58,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:32:58,309 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622530399] [2021-10-13 00:32:58,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622530399] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:32:58,314 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:32:58,315 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:32:58,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717480633] [2021-10-13 00:32:58,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 00:32:58,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:32:58,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 00:32:58,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:32:58,349 INFO L87 Difference]: Start difference. First operand has 118 states, 116 states have (on average 1.706896551724138) internal successors, (198), 117 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:32:58,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:32:58,412 INFO L93 Difference]: Finished difference Result 234 states and 394 transitions. [2021-10-13 00:32:58,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 00:32:58,414 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-13 00:32:58,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:32:58,430 INFO L225 Difference]: With dead ends: 234 [2021-10-13 00:32:58,430 INFO L226 Difference]: Without dead ends: 115 [2021-10-13 00:32:58,436 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 00:32:58,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-10-13 00:32:58,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2021-10-13 00:32:58,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 114 states have (on average 1.4385964912280702) internal successors, (164), 114 states have internal predecessors, (164), 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 00:32:58,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 164 transitions. [2021-10-13 00:32:58,509 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 164 transitions. Word has length 11 [2021-10-13 00:32:58,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:32:58,510 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 164 transitions. [2021-10-13 00:32:58,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:32:58,511 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 164 transitions. [2021-10-13 00:32:58,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 00:32:58,514 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:32:58,514 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:32:58,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 00:32:58,515 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:32:58,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:32:58,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1379574948, now seen corresponding path program 1 times [2021-10-13 00:32:58,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:32:58,521 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918546993] [2021-10-13 00:32:58,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:32:58,521 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:32:58,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:32:58,672 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:32:58,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:32:58,895 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:32:58,896 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 00:32:58,898 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:32:58,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 00:32:58,908 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:32:58,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:32:58 BoogieIcfgContainer [2021-10-13 00:32:58,996 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:32:58,997 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:32:58,997 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:32:58,998 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:32:58,998 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:32:57" (3/4) ... [2021-10-13 00:32:59,002 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:32:59,002 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:32:59,005 INFO L168 Benchmark]: Toolchain (without parser) took 3032.12 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 77.2 MB in the beginning and 97.7 MB in the end (delta: -20.5 MB). Peak memory consumption was 904.8 kB. Max. memory is 16.1 GB. [2021-10-13 00:32:59,006 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 107.0 MB. Free memory is still 59.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:32:59,007 INFO L168 Benchmark]: CACSL2BoogieTranslator took 536.82 ms. Allocated memory is still 107.0 MB. Free memory was 76.9 MB in the beginning and 77.1 MB in the end (delta: -201.3 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:32:59,008 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.59 ms. Allocated memory is still 107.0 MB. Free memory was 77.1 MB in the beginning and 73.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:32:59,017 INFO L168 Benchmark]: Boogie Preprocessor took 123.05 ms. Allocated memory is still 107.0 MB. Free memory was 73.9 MB in the beginning and 70.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:32:59,020 INFO L168 Benchmark]: RCFGBuilder took 1204.70 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 70.4 MB in the beginning and 97.2 MB in the end (delta: -26.8 MB). Peak memory consumption was 30.0 MB. Max. memory is 16.1 GB. [2021-10-13 00:32:59,021 INFO L168 Benchmark]: TraceAbstraction took 1070.49 ms. Allocated memory is still 130.0 MB. Free memory was 96.6 MB in the beginning and 98.7 MB in the end (delta: -2.1 MB). Peak memory consumption was 34.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:32:59,022 INFO L168 Benchmark]: Witness Printer took 5.49 ms. Allocated memory is still 130.0 MB. Free memory was 98.7 MB in the beginning and 97.7 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:32:59,032 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 107.0 MB. Free memory is still 59.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 536.82 ms. Allocated memory is still 107.0 MB. Free memory was 76.9 MB in the beginning and 77.1 MB in the end (delta: -201.3 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 83.59 ms. Allocated memory is still 107.0 MB. Free memory was 77.1 MB in the beginning and 73.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 123.05 ms. Allocated memory is still 107.0 MB. Free memory was 73.9 MB in the beginning and 70.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1204.70 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 70.4 MB in the beginning and 97.2 MB in the end (delta: -26.8 MB). Peak memory consumption was 30.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1070.49 ms. Allocated memory is still 130.0 MB. Free memory was 96.6 MB in the beginning and 98.7 MB in the end (delta: -2.1 MB). Peak memory consumption was 34.8 MB. Max. memory is 16.1 GB. * Witness Printer took 5.49 ms. Allocated memory is still 130.0 MB. Free memory was 98.7 MB in the beginning and 97.7 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 270]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 269. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L265] double x = 0.0; [L266] double y = 0.0; [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L267] double res = __ieee754_atan2(y, x); [L269] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L269] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L270] reach_error() VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 118 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 880.2ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 13.4ms, AutomataDifference: 112.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 26.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 167 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=118occurred 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: 56.0ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 18.8ms SsaConstructionTime, 184.7ms SatisfiabilityAnalysisTime, 72.8ms InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-13 00:32:59,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52e06f6-4170-4df2-b592-42be5ace771f/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 00:33:02,139 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:33:02,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:33:02,207 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:33:02,208 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:33:02,213 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:33:02,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:33:02,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:33:02,228 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:33:02,235 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:33:02,236 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:33:02,239 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:33:02,239 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:33:02,243 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:33:02,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:33:02,250 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:33:02,253 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:33:02,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:33:02,257 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:33:02,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:33:02,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:33:02,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:33:02,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:33:02,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:33:02,289 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:33:02,290 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:33:02,290 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:33:02,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:33:02,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:33:02,296 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:33:02,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:33:02,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:33:02,300 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:33:02,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:33:02,303 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:33:02,303 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:33:02,305 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:33:02,305 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:33:02,305 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:33:02,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:33:02,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:33:02,310 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52e06f6-4170-4df2-b592-42be5ace771f/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-13 00:33:02,363 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:33:02,363 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:33:02,364 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:33:02,364 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:33:02,367 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:33:02,367 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:33:02,367 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:33:02,368 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:33:02,368 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:33:02,368 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:33:02,369 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:33:02,370 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:33:02,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:33:02,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:33:02,371 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 00:33:02,371 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 00:33:02,371 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:33:02,372 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:33:02,372 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:33:02,372 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:33:02,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:33:02,373 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:33:02,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:33:02,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:33:02,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:33:02,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:33:02,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:33:02,374 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-13 00:33:02,375 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 00:33:02,375 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:33:02,375 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:33:02,375 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 00:33:02,376 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_e52e06f6-4170-4df2-b592-42be5ace771f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52e06f6-4170-4df2-b592-42be5ace771f/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50b586478a7305427fbe78a3e49b383cfc2fc5af [2021-10-13 00:33:02,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:33:02,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:33:02,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:33:02,906 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:33:02,907 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:33:02,908 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52e06f6-4170-4df2-b592-42be5ace771f/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/float-newlib/double_req_bl_0681a.c [2021-10-13 00:33:02,994 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52e06f6-4170-4df2-b592-42be5ace771f/bin/uautomizer-WNIpwEf4Nt/data/089f86f8a/4d667a61d89648cb8a62676db65195c1/FLAGde940cbc9 [2021-10-13 00:33:03,693 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:33:03,703 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52e06f6-4170-4df2-b592-42be5ace771f/sv-benchmarks/c/float-newlib/double_req_bl_0681a.c [2021-10-13 00:33:03,716 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52e06f6-4170-4df2-b592-42be5ace771f/bin/uautomizer-WNIpwEf4Nt/data/089f86f8a/4d667a61d89648cb8a62676db65195c1/FLAGde940cbc9 [2021-10-13 00:33:03,984 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52e06f6-4170-4df2-b592-42be5ace771f/bin/uautomizer-WNIpwEf4Nt/data/089f86f8a/4d667a61d89648cb8a62676db65195c1 [2021-10-13 00:33:03,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:33:03,990 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:33:03,999 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:33:04,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:33:04,005 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:33:04,006 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:33:03" (1/1) ... [2021-10-13 00:33:04,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22c31c77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:04, skipping insertion in model container [2021-10-13 00:33:04,007 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:33:03" (1/1) ... [2021-10-13 00:33:04,015 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:33:04,047 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:33:04,297 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_e52e06f6-4170-4df2-b592-42be5ace771f/sv-benchmarks/c/float-newlib/double_req_bl_0681a.c[6389,6402] [2021-10-13 00:33:04,306 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:33:04,335 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:33:04,519 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_e52e06f6-4170-4df2-b592-42be5ace771f/sv-benchmarks/c/float-newlib/double_req_bl_0681a.c[6389,6402] [2021-10-13 00:33:04,528 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:33:04,567 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:33:04,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:04 WrapperNode [2021-10-13 00:33:04,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:33:04,571 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:33:04,572 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:33:04,572 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:33:04,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:04" (1/1) ... [2021-10-13 00:33:04,617 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:04" (1/1) ... [2021-10-13 00:33:04,689 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:33:04,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:33:04,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:33:04,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:33:04,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:04" (1/1) ... [2021-10-13 00:33:04,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:04" (1/1) ... [2021-10-13 00:33:04,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:04" (1/1) ... [2021-10-13 00:33:04,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:04" (1/1) ... [2021-10-13 00:33:04,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:04" (1/1) ... [2021-10-13 00:33:04,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:04" (1/1) ... [2021-10-13 00:33:04,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:04" (1/1) ... [2021-10-13 00:33:04,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:33:04,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:33:04,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:33:04,837 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:33:04,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:04" (1/1) ... [2021-10-13 00:33:04,847 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:33:04,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52e06f6-4170-4df2-b592-42be5ace771f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:33:04,878 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52e06f6-4170-4df2-b592-42be5ace771f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:33:04,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52e06f6-4170-4df2-b592-42be5ace771f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:33:04,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-13 00:33:04,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-13 00:33:04,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 00:33:04,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:33:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-10-13 00:33:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 00:33:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:33:04,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:33:04,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 00:33:04,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:33:45,585 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:33:45,585 INFO L299 CfgBuilder]: Removed 48 assume(true) statements. [2021-10-13 00:33:45,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:33:45 BoogieIcfgContainer [2021-10-13 00:33:45,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:33:45,591 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:33:45,591 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:33:45,595 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:33:45,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:33:03" (1/3) ... [2021-10-13 00:33:45,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52d022d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:33:45, skipping insertion in model container [2021-10-13 00:33:45,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:04" (2/3) ... [2021-10-13 00:33:45,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52d022d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:33:45, skipping insertion in model container [2021-10-13 00:33:45,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:33:45" (3/3) ... [2021-10-13 00:33:45,600 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0681a.c [2021-10-13 00:33:45,606 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:33:45,607 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 00:33:45,698 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:33:45,705 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 00:33:45,705 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 00:33:45,728 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 116 states have (on average 1.706896551724138) internal successors, (198), 117 states have internal predecessors, (198), 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 00:33:45,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 00:33:45,746 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:33:45,746 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:33:45,747 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:33:45,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:33:45,754 INFO L82 PathProgramCache]: Analyzing trace with hash 531143789, now seen corresponding path program 1 times [2021-10-13 00:33:45,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:33:45,771 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [880495931] [2021-10-13 00:33:45,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:33:45,772 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:33:45,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52e06f6-4170-4df2-b592-42be5ace771f/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:33:45,776 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52e06f6-4170-4df2-b592-42be5ace771f/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:33:45,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52e06f6-4170-4df2-b592-42be5ace771f/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 00:33:45,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52e06f6-4170-4df2-b592-42be5ace771f/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-13 00:33:46,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52e06f6-4170-4df2-b592-42be5ace771f/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:33:46,076 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 00:33:46,082 INFO L168 Benchmark]: Toolchain (without parser) took 42091.25 ms. Allocated memory was 67.1 MB in the beginning and 92.3 MB in the end (delta: 25.2 MB). Free memory was 49.2 MB in the beginning and 62.4 MB in the end (delta: -13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:33:46,083 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 67.1 MB. Free memory is still 49.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:33:46,084 INFO L168 Benchmark]: CACSL2BoogieTranslator took 569.97 ms. Allocated memory is still 67.1 MB. Free memory was 49.0 MB in the beginning and 47.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:33:46,088 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.37 ms. Allocated memory is still 67.1 MB. Free memory was 47.0 MB in the beginning and 43.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:33:46,089 INFO L168 Benchmark]: Boogie Preprocessor took 139.17 ms. Allocated memory is still 67.1 MB. Free memory was 43.4 MB in the beginning and 39.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:33:46,090 INFO L168 Benchmark]: RCFGBuilder took 40751.86 ms. Allocated memory was 67.1 MB in the beginning and 92.3 MB in the end (delta: 25.2 MB). Free memory was 39.6 MB in the beginning and 45.7 MB in the end (delta: -6.0 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. [2021-10-13 00:33:46,092 INFO L168 Benchmark]: TraceAbstraction took 488.96 ms. Allocated memory is still 92.3 MB. Free memory was 45.2 MB in the beginning and 62.4 MB in the end (delta: -17.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:33:46,097 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 67.1 MB. Free memory is still 49.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 569.97 ms. Allocated memory is still 67.1 MB. Free memory was 49.0 MB in the beginning and 47.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 124.37 ms. Allocated memory is still 67.1 MB. Free memory was 47.0 MB in the beginning and 43.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 139.17 ms. Allocated memory is still 67.1 MB. Free memory was 43.4 MB in the beginning and 39.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 40751.86 ms. Allocated memory was 67.1 MB in the beginning and 92.3 MB in the end (delta: 25.2 MB). Free memory was 39.6 MB in the beginning and 45.7 MB in the end (delta: -6.0 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 488.96 ms. Allocated memory is still 92.3 MB. Free memory was 45.2 MB in the beginning and 62.4 MB in the end (delta: -17.2 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 00:33:46,343 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52e06f6-4170-4df2-b592-42be5ace771f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-10-13 00:33:46,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52e06f6-4170-4df2-b592-42be5ace771f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...