./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0681b.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_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/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_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0681b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/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_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/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 32006fa7bcdab8b1b0ff5a3280bfd2629f2a7e36 .......................................................................................................................................................................................................................................................................................................................................... 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_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/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_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0681b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/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_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/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 32006fa7bcdab8b1b0ff5a3280bfd2629f2a7e36 .................................................................................................................................................................................................................................................................... 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 00:54:12,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:54:12,950 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:54:12,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:54:12,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:54:12,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:54:12,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:54:13,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:54:13,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:54:13,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:54:13,012 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:54:13,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:54:13,014 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:54:13,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:54:13,019 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:54:13,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:54:13,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:54:13,024 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:54:13,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:54:13,036 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:54:13,039 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:54:13,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:54:13,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:54:13,044 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:54:13,053 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:54:13,054 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:54:13,054 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:54:13,056 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:54:13,057 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:54:13,058 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:54:13,059 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:54:13,060 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:54:13,062 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:54:13,063 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:54:13,065 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:54:13,065 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:54:13,066 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:54:13,066 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:54:13,066 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:54:13,067 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:54:13,068 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:54:13,069 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 00:54:13,107 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:54:13,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:54:13,107 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:54:13,107 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:54:13,108 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:54:13,109 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:54:13,109 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:54:13,109 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:54:13,109 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:54:13,109 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:54:13,110 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:54:13,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:54:13,110 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:54:13,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:54:13,110 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:54:13,111 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:54:13,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:54:13,111 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:54:13,111 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:54:13,111 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:54:13,112 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:54:13,112 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:54:13,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:54:13,112 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:54:13,112 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:54:13,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:54:13,113 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:54:13,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:54:13,113 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:54:13,113 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:54:13,113 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_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32006fa7bcdab8b1b0ff5a3280bfd2629f2a7e36 [2021-10-13 00:54:13,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:54:13,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:54:13,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:54:13,379 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:54:13,383 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:54:13,384 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/float-newlib/double_req_bl_0681b.c [2021-10-13 00:54:13,451 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/bin/uautomizer-WNIpwEf4Nt/data/c544f2cfb/703e7328466d4ab9ad0822f199c6fbff/FLAGb6df44346 [2021-10-13 00:54:13,924 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:54:13,925 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/sv-benchmarks/c/float-newlib/double_req_bl_0681b.c [2021-10-13 00:54:13,933 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/bin/uautomizer-WNIpwEf4Nt/data/c544f2cfb/703e7328466d4ab9ad0822f199c6fbff/FLAGb6df44346 [2021-10-13 00:54:13,948 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/bin/uautomizer-WNIpwEf4Nt/data/c544f2cfb/703e7328466d4ab9ad0822f199c6fbff [2021-10-13 00:54:13,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:54:13,952 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:54:13,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:54:13,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:54:13,958 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:54:13,959 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:54:13" (1/1) ... [2021-10-13 00:54:13,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@162594ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:54:13, skipping insertion in model container [2021-10-13 00:54:13,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:54:13" (1/1) ... [2021-10-13 00:54:13,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:54:13,997 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:54:14,229 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_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/sv-benchmarks/c/float-newlib/double_req_bl_0681b.c[6391,6404] [2021-10-13 00:54:14,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:54:14,241 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:54:14,289 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_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/sv-benchmarks/c/float-newlib/double_req_bl_0681b.c[6391,6404] [2021-10-13 00:54:14,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:54:14,315 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:54:14,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:54:14 WrapperNode [2021-10-13 00:54:14,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:54:14,317 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:54:14,318 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:54:14,319 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:54:14,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:54:14" (1/1) ... [2021-10-13 00:54:14,349 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:54:14" (1/1) ... [2021-10-13 00:54:14,396 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:54:14,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:54:14,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:54:14,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:54:14,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:54:14" (1/1) ... [2021-10-13 00:54:14,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:54:14" (1/1) ... [2021-10-13 00:54:14,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:54:14" (1/1) ... [2021-10-13 00:54:14,444 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:54:14" (1/1) ... [2021-10-13 00:54:14,485 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:54:14" (1/1) ... [2021-10-13 00:54:14,493 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:54:14" (1/1) ... [2021-10-13 00:54:14,496 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:54:14" (1/1) ... [2021-10-13 00:54:14,501 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:54:14,502 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:54:14,502 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:54:14,503 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:54:14,503 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:54:14" (1/1) ... [2021-10-13 00:54:14,510 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:54:14,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:54:14,533 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:54:14,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:54:14,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:54:14,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:54:14,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-13 00:54:14,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:54:14,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-13 00:54:14,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:54:14,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:54:14,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 00:54:14,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-13 00:54:14,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:54:15,195 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:54:15,195 INFO L299 CfgBuilder]: Removed 48 assume(true) statements. [2021-10-13 00:54:15,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:54:15 BoogieIcfgContainer [2021-10-13 00:54:15,197 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:54:15,199 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:54:15,199 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:54:15,203 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:54:15,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:54:13" (1/3) ... [2021-10-13 00:54:15,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67f12e97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:54:15, skipping insertion in model container [2021-10-13 00:54:15,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:54:14" (2/3) ... [2021-10-13 00:54:15,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67f12e97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:54:15, skipping insertion in model container [2021-10-13 00:54:15,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:54:15" (3/3) ... [2021-10-13 00:54:15,229 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0681b.c [2021-10-13 00:54:15,235 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:54:15,235 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 00:54:15,297 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:54:15,301 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 00:54:15,302 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 00:54:15,325 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 00:54:15,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 00:54:15,333 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:54:15,334 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:54:15,334 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:54:15,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:54:15,358 INFO L82 PathProgramCache]: Analyzing trace with hash 531143789, now seen corresponding path program 1 times [2021-10-13 00:54:15,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:54:15,368 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978485533] [2021-10-13 00:54:15,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:54:15,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:54:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:54:15,600 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 00:54:15,601 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:54:15,602 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978485533] [2021-10-13 00:54:15,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978485533] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:54:15,603 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:54:15,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:54:15,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285736279] [2021-10-13 00:54:15,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 00:54:15,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:54:15,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 00:54:15,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:54:15,625 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 00:54:15,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:54:15,672 INFO L93 Difference]: Finished difference Result 234 states and 394 transitions. [2021-10-13 00:54:15,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 00:54:15,673 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 00:54:15,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:54:15,683 INFO L225 Difference]: With dead ends: 234 [2021-10-13 00:54:15,683 INFO L226 Difference]: Without dead ends: 115 [2021-10-13 00:54:15,686 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 00:54:15,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-10-13 00:54:15,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2021-10-13 00:54:15,726 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 00:54:15,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 164 transitions. [2021-10-13 00:54:15,729 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 164 transitions. Word has length 11 [2021-10-13 00:54:15,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:54:15,730 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 164 transitions. [2021-10-13 00:54:15,730 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 00:54:15,730 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 164 transitions. [2021-10-13 00:54:15,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 00:54:15,731 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:54:15,731 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:54:15,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 00:54:15,732 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:54:15,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:54:15,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1379574948, now seen corresponding path program 1 times [2021-10-13 00:54:15,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:54:15,733 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312755856] [2021-10-13 00:54:15,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:54:15,734 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:54:15,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:54:15,809 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:54:15,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:54:15,944 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:54:15,945 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 00:54:15,946 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:54:15,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 00:54:15,959 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:54:16,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:54:16 BoogieIcfgContainer [2021-10-13 00:54:16,002 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:54:16,003 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:54:16,003 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:54:16,003 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:54:16,004 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:54:15" (3/4) ... [2021-10-13 00:54:16,007 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:54:16,007 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:54:16,009 INFO L168 Benchmark]: Toolchain (without parser) took 2055.57 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 53.7 MB in the beginning and 57.2 MB in the end (delta: -3.5 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:54:16,009 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 96.5 MB. Free memory is still 70.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:54:16,010 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.52 ms. Allocated memory is still 96.5 MB. Free memory was 53.6 MB in the beginning and 65.2 MB in the end (delta: -11.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:54:16,011 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.33 ms. Allocated memory is still 96.5 MB. Free memory was 65.2 MB in the beginning and 61.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:54:16,012 INFO L168 Benchmark]: Boogie Preprocessor took 91.04 ms. Allocated memory is still 96.5 MB. Free memory was 61.7 MB in the beginning and 58.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:54:16,012 INFO L168 Benchmark]: RCFGBuilder took 695.30 ms. Allocated memory is still 96.5 MB. Free memory was 58.3 MB in the beginning and 31.0 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:54:16,013 INFO L168 Benchmark]: TraceAbstraction took 803.47 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 30.5 MB in the beginning and 57.9 MB in the end (delta: -27.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:54:16,014 INFO L168 Benchmark]: Witness Printer took 4.05 ms. Allocated memory is still 117.4 MB. Free memory was 57.9 MB in the beginning and 57.2 MB in the end (delta: 661.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:54:16,017 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 96.5 MB. Free memory is still 70.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 362.52 ms. Allocated memory is still 96.5 MB. Free memory was 53.6 MB in the beginning and 65.2 MB in the end (delta: -11.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 92.33 ms. Allocated memory is still 96.5 MB. Free memory was 65.2 MB in the beginning and 61.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 91.04 ms. Allocated memory is still 96.5 MB. Free memory was 61.7 MB in the beginning and 58.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 695.30 ms. Allocated memory is still 96.5 MB. Free memory was 58.3 MB in the beginning and 31.0 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 803.47 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 30.5 MB in the beginning and 57.9 MB in the end (delta: -27.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.05 ms. Allocated memory is still 117.4 MB. Free memory was 57.9 MB in the beginning and 57.2 MB in the end (delta: 661.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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 266, 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) == 1 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) == 1) [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: 662.3ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 18.2ms, AutomataDifference: 73.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.7ms, 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: 28.0ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 14.0ms SsaConstructionTime, 114.5ms SatisfiabilityAnalysisTime, 100.2ms 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 00:54:16,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/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 00:54:18,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:54:18,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:54:18,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:54:18,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:54:18,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:54:18,584 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:54:18,590 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:54:18,593 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:54:18,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:54:18,600 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:54:18,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:54:18,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:54:18,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:54:18,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:54:18,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:54:18,613 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:54:18,614 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:54:18,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:54:18,626 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:54:18,628 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:54:18,629 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:54:18,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:54:18,638 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:54:18,647 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:54:18,648 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:54:18,648 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:54:18,650 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:54:18,651 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:54:18,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:54:18,652 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:54:18,653 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:54:18,655 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:54:18,656 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:54:18,657 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:54:18,658 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:54:18,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:54:18,659 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:54:18,659 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:54:18,661 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:54:18,662 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:54:18,667 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-13 00:54:18,718 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:54:18,719 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:54:18,719 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:54:18,719 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:54:18,721 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:54:18,722 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:54:18,722 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:54:18,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:54:18,722 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:54:18,722 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:54:18,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:54:18,724 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:54:18,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:54:18,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:54:18,725 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 00:54:18,725 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 00:54:18,725 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:54:18,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:54:18,725 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:54:18,726 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:54:18,726 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:54:18,726 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:54:18,726 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:54:18,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:54:18,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:54:18,727 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:54:18,728 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:54:18,728 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-13 00:54:18,728 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 00:54:18,728 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:54:18,728 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:54:18,729 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 00:54:18,729 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_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32006fa7bcdab8b1b0ff5a3280bfd2629f2a7e36 [2021-10-13 00:54:19,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:54:19,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:54:19,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:54:19,177 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:54:19,177 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:54:19,178 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/float-newlib/double_req_bl_0681b.c [2021-10-13 00:54:19,255 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/bin/uautomizer-WNIpwEf4Nt/data/dad1e7628/c752baf2634d4ab38b8196f98ab781e8/FLAG6c5f01fd4 [2021-10-13 00:54:19,775 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:54:19,778 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/sv-benchmarks/c/float-newlib/double_req_bl_0681b.c [2021-10-13 00:54:19,790 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/bin/uautomizer-WNIpwEf4Nt/data/dad1e7628/c752baf2634d4ab38b8196f98ab781e8/FLAG6c5f01fd4 [2021-10-13 00:54:20,120 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/bin/uautomizer-WNIpwEf4Nt/data/dad1e7628/c752baf2634d4ab38b8196f98ab781e8 [2021-10-13 00:54:20,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:54:20,129 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:54:20,132 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:54:20,133 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:54:20,136 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:54:20,137 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:54:20" (1/1) ... [2021-10-13 00:54:20,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19932d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:54:20, skipping insertion in model container [2021-10-13 00:54:20,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:54:20" (1/1) ... [2021-10-13 00:54:20,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:54:20,192 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:54:20,487 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_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/sv-benchmarks/c/float-newlib/double_req_bl_0681b.c[6391,6404] [2021-10-13 00:54:20,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:54:20,503 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:54:20,591 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_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/sv-benchmarks/c/float-newlib/double_req_bl_0681b.c[6391,6404] [2021-10-13 00:54:20,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:54:20,613 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:54:20,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:54:20 WrapperNode [2021-10-13 00:54:20,614 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:54:20,615 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:54:20,616 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:54:20,616 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:54:20,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:54:20" (1/1) ... [2021-10-13 00:54:20,639 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:54:20" (1/1) ... [2021-10-13 00:54:20,686 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:54:20,687 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:54:20,687 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:54:20,687 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:54:20,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:54:20" (1/1) ... [2021-10-13 00:54:20,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:54:20" (1/1) ... [2021-10-13 00:54:20,706 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:54:20" (1/1) ... [2021-10-13 00:54:20,706 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:54:20" (1/1) ... [2021-10-13 00:54:20,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:54:20" (1/1) ... [2021-10-13 00:54:20,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:54:20" (1/1) ... [2021-10-13 00:54:20,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:54:20" (1/1) ... [2021-10-13 00:54:20,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:54:20,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:54:20,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:54:20,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:54:20,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:54:20" (1/1) ... [2021-10-13 00:54:20,788 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:54:20,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:54:20,832 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:54:20,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:54:20,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-13 00:54:20,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-13 00:54:20,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 00:54:20,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:54:20,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-10-13 00:54:20,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 00:54:20,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:54:20,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:54:20,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 00:54:20,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:55:01,435 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:55:01,436 INFO L299 CfgBuilder]: Removed 48 assume(true) statements. [2021-10-13 00:55:01,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:55:01 BoogieIcfgContainer [2021-10-13 00:55:01,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:55:01,441 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:55:01,441 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:55:01,445 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:55:01,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:54:20" (1/3) ... [2021-10-13 00:55:01,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d4ef8f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:55:01, skipping insertion in model container [2021-10-13 00:55:01,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:54:20" (2/3) ... [2021-10-13 00:55:01,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d4ef8f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:55:01, skipping insertion in model container [2021-10-13 00:55:01,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:55:01" (3/3) ... [2021-10-13 00:55:01,448 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0681b.c [2021-10-13 00:55:01,486 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:55:01,486 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 00:55:01,534 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:55:01,539 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 00:55:01,540 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 00:55:01,554 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 00:55:01,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 00:55:01,559 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:55:01,560 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:55:01,560 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:55:01,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:55:01,565 INFO L82 PathProgramCache]: Analyzing trace with hash 531143789, now seen corresponding path program 1 times [2021-10-13 00:55:01,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:55:01,576 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [735417294] [2021-10-13 00:55:01,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:55:01,577 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:55:01,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:55:01,578 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:55:01,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 00:55:01,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-13 00:55:01,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:55:01,880 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 00:55:01,885 INFO L168 Benchmark]: Toolchain (without parser) took 41754.45 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 32.2 MB in the beginning and 41.0 MB in the end (delta: -8.8 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2021-10-13 00:55:01,885 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 54.5 MB. Free memory is still 35.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:55:01,886 INFO L168 Benchmark]: CACSL2BoogieTranslator took 482.26 ms. Allocated memory is still 54.5 MB. Free memory was 32.0 MB in the beginning and 31.5 MB in the end (delta: 464.2 kB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:55:01,887 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.14 ms. Allocated memory is still 54.5 MB. Free memory was 31.5 MB in the beginning and 28.0 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:55:01,888 INFO L168 Benchmark]: Boogie Preprocessor took 92.65 ms. Allocated memory is still 54.5 MB. Free memory was 28.0 MB in the beginning and 24.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:55:01,888 INFO L168 Benchmark]: RCFGBuilder took 40658.32 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 24.3 MB in the beginning and 33.3 MB in the end (delta: -9.0 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:55:01,889 INFO L168 Benchmark]: TraceAbstraction took 442.04 ms. Allocated memory is still 71.3 MB. Free memory was 33.0 MB in the beginning and 41.0 MB in the end (delta: -8.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:55:01,893 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 54.5 MB. Free memory is still 35.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 482.26 ms. Allocated memory is still 54.5 MB. Free memory was 32.0 MB in the beginning and 31.5 MB in the end (delta: 464.2 kB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.14 ms. Allocated memory is still 54.5 MB. Free memory was 31.5 MB in the beginning and 28.0 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 92.65 ms. Allocated memory is still 54.5 MB. Free memory was 28.0 MB in the beginning and 24.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 40658.32 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 24.3 MB in the beginning and 33.3 MB in the end (delta: -9.0 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 442.04 ms. Allocated memory is still 71.3 MB. Free memory was 33.0 MB in the beginning and 41.0 MB in the end (delta: -8.1 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 00:55:02,114 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-10-13 00:55:02,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf7eb9-6a22-42e3-a133-a7ebe16769a8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...