./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0660a.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_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/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_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0660a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/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_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/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 351a41b333a03034af243bf6ecb848a7608d7ac0 ........................................................................................................................................................................................................................................................................................................................................... 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_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/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_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0660a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/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_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/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 351a41b333a03034af243bf6ecb848a7608d7ac0 .................................................................................................................................................................................................................................................................... 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 00:32:53,472 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:32:53,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:32:53,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:32:53,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:32:53,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:32:53,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:32:53,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:32:53,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:32:53,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:32:53,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:32:53,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:32:53,531 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:32:53,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:32:53,534 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:32:53,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:32:53,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:32:53,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:32:53,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:32:53,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:32:53,548 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:32:53,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:32:53,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:32:53,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:32:53,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:32:53,562 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:32:53,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:32:53,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:32:53,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:32:53,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:32:53,567 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:32:53,568 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:32:53,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:32:53,576 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:32:53,579 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:32:53,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:32:53,580 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:32:53,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:32:53,581 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:32:53,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:32:53,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:32:53,584 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 00:32:53,633 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:32:53,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:32:53,633 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:32:53,634 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:32:53,635 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:32:53,635 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:32:53,636 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:32:53,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:32:53,636 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:32:53,636 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:32:53,637 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:32:53,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:32:53,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:32:53,637 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:32:53,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:32:53,638 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:32:53,638 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:32:53,638 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:32:53,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:32:53,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:32:53,639 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:32:53,639 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:32:53,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:32:53,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:32:53,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:32:53,640 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:32:53,641 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:32:53,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:32:53,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:32:53,641 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:32:53,642 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_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 351a41b333a03034af243bf6ecb848a7608d7ac0 [2021-10-13 00:32:53,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:32:53,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:32:53,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:32:53,972 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:32:53,973 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:32:53,974 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/float-newlib/double_req_bl_0660a.c [2021-10-13 00:32:54,037 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/bin/uautomizer-WNIpwEf4Nt/data/4d4a4b902/4cefda24a0c148ee9bd17199aa2475f6/FLAG18a01f834 [2021-10-13 00:32:54,518 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:32:54,519 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/sv-benchmarks/c/float-newlib/double_req_bl_0660a.c [2021-10-13 00:32:54,527 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/bin/uautomizer-WNIpwEf4Nt/data/4d4a4b902/4cefda24a0c148ee9bd17199aa2475f6/FLAG18a01f834 [2021-10-13 00:32:54,884 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/bin/uautomizer-WNIpwEf4Nt/data/4d4a4b902/4cefda24a0c148ee9bd17199aa2475f6 [2021-10-13 00:32:54,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:32:54,888 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:32:54,890 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:32:54,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:32:54,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:32:54,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:32:54" (1/1) ... [2021-10-13 00:32:54,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c71e023 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:54, skipping insertion in model container [2021-10-13 00:32:54,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:32:54" (1/1) ... [2021-10-13 00:32:54,919 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:32:54,982 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:32:55,192 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_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/sv-benchmarks/c/float-newlib/double_req_bl_0660a.c[6214,6227] [2021-10-13 00:32:55,195 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:32:55,206 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:32:55,288 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_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/sv-benchmarks/c/float-newlib/double_req_bl_0660a.c[6214,6227] [2021-10-13 00:32:55,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:32:55,320 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:32:55,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:55 WrapperNode [2021-10-13 00:32:55,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:32:55,322 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:32:55,323 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:32:55,324 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:32:55,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:55" (1/1) ... [2021-10-13 00:32:55,346 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:55" (1/1) ... [2021-10-13 00:32:55,404 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:32:55,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:32:55,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:32:55,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:32:55,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:55" (1/1) ... [2021-10-13 00:32:55,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:55" (1/1) ... [2021-10-13 00:32:55,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:55" (1/1) ... [2021-10-13 00:32:55,428 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:55" (1/1) ... [2021-10-13 00:32:55,464 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:55" (1/1) ... [2021-10-13 00:32:55,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:55" (1/1) ... [2021-10-13 00:32:55,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:55" (1/1) ... [2021-10-13 00:32:55,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:32:55,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:32:55,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:32:55,501 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:32:55,505 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:55" (1/1) ... [2021-10-13 00:32:55,514 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:32:55,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:32:55,540 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:32:55,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:32:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:32:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:32:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-13 00:32:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:32:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-13 00:32:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:32:55,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:32:55,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 00:32:55,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-13 00:32:55,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:32:56,353 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:32:56,354 INFO L299 CfgBuilder]: Removed 44 assume(true) statements. [2021-10-13 00:32:56,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:32:56 BoogieIcfgContainer [2021-10-13 00:32:56,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:32:56,358 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:32:56,358 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:32:56,365 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:32:56,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:32:54" (1/3) ... [2021-10-13 00:32:56,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37028be4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:32:56, skipping insertion in model container [2021-10-13 00:32:56,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:55" (2/3) ... [2021-10-13 00:32:56,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37028be4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:32:56, skipping insertion in model container [2021-10-13 00:32:56,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:32:56" (3/3) ... [2021-10-13 00:32:56,376 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0660a.c [2021-10-13 00:32:56,383 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:32:56,384 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 00:32:56,439 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:32:56,455 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 00:32:56,456 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 00:32:56,484 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 113 states have (on average 1.7079646017699115) internal successors, (193), 114 states have internal predecessors, (193), 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 00:32:56,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 00:32:56,495 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:32:56,495 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:32:56,496 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:32:56,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:32:56,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2021-10-13 00:32:56,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:32:56,529 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400094549] [2021-10-13 00:32:56,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:32:56,531 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:32:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:32:56,788 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 00:32:56,789 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:32:56,789 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400094549] [2021-10-13 00:32:56,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400094549] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:32:56,790 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:32:56,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:32:56,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141491367] [2021-10-13 00:32:56,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 00:32:56,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:32:56,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 00:32:56,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:32:56,815 INFO L87 Difference]: Start difference. First operand has 115 states, 113 states have (on average 1.7079646017699115) internal successors, (193), 114 states have internal predecessors, (193), 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 00:32:56,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:32:56,847 INFO L93 Difference]: Finished difference Result 227 states and 382 transitions. [2021-10-13 00:32:56,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 00:32:56,849 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 00:32:56,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:32:56,861 INFO L225 Difference]: With dead ends: 227 [2021-10-13 00:32:56,862 INFO L226 Difference]: Without dead ends: 111 [2021-10-13 00:32:56,865 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 00:32:56,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2021-10-13 00:32:56,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2021-10-13 00:32:56,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 110 states have (on average 1.4454545454545455) internal successors, (159), 110 states have internal predecessors, (159), 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 00:32:56,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2021-10-13 00:32:56,933 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2021-10-13 00:32:56,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:32:56,933 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2021-10-13 00:32:56,934 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 00:32:56,934 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2021-10-13 00:32:56,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 00:32:56,935 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:32:56,935 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:32:56,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 00:32:56,936 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:32:56,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:32:56,937 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2021-10-13 00:32:56,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:32:56,937 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413910741] [2021-10-13 00:32:56,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:32:56,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:32:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:32:57,050 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:32:57,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:32:57,182 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:32:57,182 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 00:32:57,185 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:32:57,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 00:32:57,193 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:32:57,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:32:57 BoogieIcfgContainer [2021-10-13 00:32:57,240 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:32:57,241 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:32:57,241 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:32:57,241 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:32:57,242 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:32:56" (3/4) ... [2021-10-13 00:32:57,246 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:32:57,246 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:32:57,248 INFO L168 Benchmark]: Toolchain (without parser) took 2358.64 ms. Allocated memory was 83.9 MB in the beginning and 121.6 MB in the end (delta: 37.7 MB). Free memory was 60.1 MB in the beginning and 50.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 46.0 MB. Max. memory is 16.1 GB. [2021-10-13 00:32:57,249 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 83.9 MB. Free memory was 57.7 MB in the beginning and 57.7 MB in the end (delta: 37.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:32:57,250 INFO L168 Benchmark]: CACSL2BoogieTranslator took 431.60 ms. Allocated memory was 83.9 MB in the beginning and 121.6 MB in the end (delta: 37.7 MB). Free memory was 59.9 MB in the beginning and 87.1 MB in the end (delta: -27.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:32:57,251 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.53 ms. Allocated memory is still 121.6 MB. Free memory was 86.9 MB in the beginning and 83.7 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:32:57,251 INFO L168 Benchmark]: Boogie Preprocessor took 90.54 ms. Allocated memory is still 121.6 MB. Free memory was 83.7 MB in the beginning and 80.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:32:57,252 INFO L168 Benchmark]: RCFGBuilder took 855.78 ms. Allocated memory is still 121.6 MB. Free memory was 80.4 MB in the beginning and 87.4 MB in the end (delta: -7.0 MB). Peak memory consumption was 24.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:32:57,253 INFO L168 Benchmark]: TraceAbstraction took 882.49 ms. Allocated memory is still 121.6 MB. Free memory was 87.4 MB in the beginning and 50.5 MB in the end (delta: 36.9 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:32:57,254 INFO L168 Benchmark]: Witness Printer took 5.17 ms. Allocated memory is still 121.6 MB. Free memory was 50.5 MB in the beginning and 50.5 MB in the end (delta: 2.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:32:57,264 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 83.9 MB. Free memory was 57.7 MB in the beginning and 57.7 MB in the end (delta: 37.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 431.60 ms. Allocated memory was 83.9 MB in the beginning and 121.6 MB in the end (delta: 37.7 MB). Free memory was 59.9 MB in the beginning and 87.1 MB in the end (delta: -27.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.53 ms. Allocated memory is still 121.6 MB. Free memory was 86.9 MB in the beginning and 83.7 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 90.54 ms. Allocated memory is still 121.6 MB. Free memory was 83.7 MB in the beginning and 80.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 855.78 ms. Allocated memory is still 121.6 MB. Free memory was 80.4 MB in the beginning and 87.4 MB in the end (delta: -7.0 MB). Peak memory consumption was 24.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 882.49 ms. Allocated memory is still 121.6 MB. Free memory was 87.4 MB in the beginning and 50.5 MB in the end (delta: 36.9 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. * Witness Printer took 5.17 ms. Allocated memory is still 121.6 MB. Free memory was 50.5 MB in the beginning and 50.5 MB in the end (delta: 2.6 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: 261]: 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 253, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 260. 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] [L252] double x = __VERIFIER_nondet_double(); [L253] double y = -0.0; 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] [L255] COND TRUE x < 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] [L257] double res = __ieee754_atan2(y, x); [L260] COND TRUE res != -pi 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] [L261] 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, 115 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 754.2ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 18.0ms, AutomataDifference: 67.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 21.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 164 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=115occurred 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: 50.6ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 19.1ms SsaConstructionTime, 177.1ms SatisfiabilityAnalysisTime, 90.4ms 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 00:32:57,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/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 00:32:59,784 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:32:59,788 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:32:59,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:32:59,841 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:32:59,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:32:59,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:32:59,848 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:32:59,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:32:59,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:32:59,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:32:59,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:32:59,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:32:59,857 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:32:59,859 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:32:59,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:32:59,862 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:32:59,863 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:32:59,866 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:32:59,869 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:32:59,871 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:32:59,873 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:32:59,874 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:32:59,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:32:59,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:32:59,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:32:59,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:32:59,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:32:59,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:32:59,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:32:59,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:32:59,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:32:59,887 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:32:59,888 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:32:59,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:32:59,890 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:32:59,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:32:59,892 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:32:59,892 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:32:59,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:32:59,895 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:32:59,896 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-13 00:32:59,921 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:32:59,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:32:59,922 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:32:59,923 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:32:59,924 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:32:59,924 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:32:59,925 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:32:59,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:32:59,925 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:32:59,926 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:32:59,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:32:59,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:32:59,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:32:59,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:32:59,927 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 00:32:59,927 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 00:32:59,928 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:32:59,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:32:59,928 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:32:59,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:32:59,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:32:59,929 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:32:59,930 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:32:59,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:32:59,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:32:59,931 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:32:59,931 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:32:59,931 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-13 00:32:59,932 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 00:32:59,932 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:32:59,932 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:32:59,933 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 00:32:59,933 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_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 351a41b333a03034af243bf6ecb848a7608d7ac0 [2021-10-13 00:33:00,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:33:00,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:33:00,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:33:00,373 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:33:00,375 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:33:00,376 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/float-newlib/double_req_bl_0660a.c [2021-10-13 00:33:00,465 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/bin/uautomizer-WNIpwEf4Nt/data/c54658667/e4bac526d7fb46ed87462a05537cb9b2/FLAG155d0e983 [2021-10-13 00:33:01,106 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:33:01,109 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/sv-benchmarks/c/float-newlib/double_req_bl_0660a.c [2021-10-13 00:33:01,121 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/bin/uautomizer-WNIpwEf4Nt/data/c54658667/e4bac526d7fb46ed87462a05537cb9b2/FLAG155d0e983 [2021-10-13 00:33:01,423 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/bin/uautomizer-WNIpwEf4Nt/data/c54658667/e4bac526d7fb46ed87462a05537cb9b2 [2021-10-13 00:33:01,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:33:01,427 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:33:01,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:33:01,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:33:01,434 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:33:01,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:33:01" (1/1) ... [2021-10-13 00:33:01,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@262a8035 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:01, skipping insertion in model container [2021-10-13 00:33:01,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:33:01" (1/1) ... [2021-10-13 00:33:01,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:33:01,482 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:33:01,719 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_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/sv-benchmarks/c/float-newlib/double_req_bl_0660a.c[6214,6227] [2021-10-13 00:33:01,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:33:01,747 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:33:01,851 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_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/sv-benchmarks/c/float-newlib/double_req_bl_0660a.c[6214,6227] [2021-10-13 00:33:01,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:33:01,876 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:33:01,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:01 WrapperNode [2021-10-13 00:33:01,877 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:33:01,878 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:33:01,878 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:33:01,878 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:33:01,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:01" (1/1) ... [2021-10-13 00:33:01,903 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:01" (1/1) ... [2021-10-13 00:33:01,960 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:33:01,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:33:01,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:33:01,971 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:33:01,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:01" (1/1) ... [2021-10-13 00:33:01,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:01" (1/1) ... [2021-10-13 00:33:01,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:01" (1/1) ... [2021-10-13 00:33:02,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:01" (1/1) ... [2021-10-13 00:33:02,043 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:01" (1/1) ... [2021-10-13 00:33:02,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:01" (1/1) ... [2021-10-13 00:33:02,071 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:01" (1/1) ... [2021-10-13 00:33:02,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:33:02,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:33:02,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:33:02,080 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:33:02,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:01" (1/1) ... [2021-10-13 00:33:02,088 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:33:02,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:33:02,111 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:33:02,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:33:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-13 00:33:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-13 00:33:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 00:33:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:33:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-10-13 00:33:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 00:33:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:33:02,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:33:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 00:33:02,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:33:43,036 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:33:43,036 INFO L299 CfgBuilder]: Removed 44 assume(true) statements. [2021-10-13 00:33:43,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:33:43 BoogieIcfgContainer [2021-10-13 00:33:43,038 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:33:43,039 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:33:43,039 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:33:43,043 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:33:43,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:33:01" (1/3) ... [2021-10-13 00:33:43,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1beb1b9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:33:43, skipping insertion in model container [2021-10-13 00:33:43,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:33:01" (2/3) ... [2021-10-13 00:33:43,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1beb1b9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:33:43, skipping insertion in model container [2021-10-13 00:33:43,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:33:43" (3/3) ... [2021-10-13 00:33:43,047 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0660a.c [2021-10-13 00:33:43,053 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:33:43,053 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 00:33:43,102 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:33:43,107 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 00:33:43,108 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 00:33:43,125 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 113 states have (on average 1.7079646017699115) internal successors, (193), 114 states have internal predecessors, (193), 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 00:33:43,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 00:33:43,130 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:33:43,131 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:33:43,131 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:33:43,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:33:43,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2021-10-13 00:33:43,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:33:43,151 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [698018876] [2021-10-13 00:33:43,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:33:43,152 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:33:43,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:33:43,175 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:33:43,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 00:33:43,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:33:43,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:33:43,503 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 00:33:43,508 INFO L168 Benchmark]: Toolchain (without parser) took 42079.47 ms. Allocated memory was 65.0 MB in the beginning and 83.9 MB in the end (delta: 18.9 MB). Free memory was 47.2 MB in the beginning and 50.7 MB in the end (delta: -3.5 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:33:43,508 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 65.0 MB. Free memory is still 46.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:33:43,509 INFO L168 Benchmark]: CACSL2BoogieTranslator took 447.67 ms. Allocated memory is still 65.0 MB. Free memory was 46.9 MB in the beginning and 45.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:33:43,509 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.46 ms. Allocated memory is still 65.0 MB. Free memory was 45.0 MB in the beginning and 41.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:33:43,510 INFO L168 Benchmark]: Boogie Preprocessor took 108.50 ms. Allocated memory is still 65.0 MB. Free memory was 41.4 MB in the beginning and 38.1 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:33:43,510 INFO L168 Benchmark]: RCFGBuilder took 40958.74 ms. Allocated memory was 65.0 MB in the beginning and 83.9 MB in the end (delta: 18.9 MB). Free memory was 37.8 MB in the beginning and 61.8 MB in the end (delta: -23.9 MB). Peak memory consumption was 25.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:33:43,519 INFO L168 Benchmark]: TraceAbstraction took 466.90 ms. Allocated memory is still 83.9 MB. Free memory was 61.2 MB in the beginning and 50.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:33:43,523 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 65.0 MB. Free memory is still 46.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 447.67 ms. Allocated memory is still 65.0 MB. Free memory was 46.9 MB in the beginning and 45.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 91.46 ms. Allocated memory is still 65.0 MB. Free memory was 45.0 MB in the beginning and 41.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 108.50 ms. Allocated memory is still 65.0 MB. Free memory was 41.4 MB in the beginning and 38.1 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 40958.74 ms. Allocated memory was 65.0 MB in the beginning and 83.9 MB in the end (delta: 18.9 MB). Free memory was 37.8 MB in the beginning and 61.8 MB in the end (delta: -23.9 MB). Peak memory consumption was 25.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 466.90 ms. Allocated memory is still 83.9 MB. Free memory was 61.2 MB in the beginning and 50.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:232) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-13 00:33:43,742 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-10-13 00:33:43,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd0449d-a23c-48e8-9a87-5ce0ccadf9fb/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...