./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/sin_interpolated_bigrange_loose.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5420a158-2d3a-440b-8117-405f13554624/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5420a158-2d3a-440b-8117-405f13554624/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5420a158-2d3a-440b-8117-405f13554624/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5420a158-2d3a-440b-8117-405f13554624/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/sin_interpolated_bigrange_loose.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5420a158-2d3a-440b-8117-405f13554624/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5420a158-2d3a-440b-8117-405f13554624/bin/uautomizer-hJ6jxDFKc3 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9c47f40be7dbc83da8f8d897f92bcda5aac7a66c ....................................................................................................................................................................................................................................................................................................................................................................................................................... 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_5420a158-2d3a-440b-8117-405f13554624/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5420a158-2d3a-440b-8117-405f13554624/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5420a158-2d3a-440b-8117-405f13554624/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5420a158-2d3a-440b-8117-405f13554624/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/sin_interpolated_bigrange_loose.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5420a158-2d3a-440b-8117-405f13554624/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5420a158-2d3a-440b-8117-405f13554624/bin/uautomizer-hJ6jxDFKc3 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9c47f40be7dbc83da8f8d897f92bcda5aac7a66c ....................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 19:17:33,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:17:33,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:17:33,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:17:33,080 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:17:33,082 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:17:33,084 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:17:33,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:17:33,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:17:33,089 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:17:33,091 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:17:33,092 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:17:33,093 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:17:33,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:17:33,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:17:33,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:17:33,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:17:33,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:17:33,102 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:17:33,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:17:33,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:17:33,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:17:33,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:17:33,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:17:33,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:17:33,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:17:33,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:17:33,121 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:17:33,121 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:17:33,123 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:17:33,123 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:17:33,124 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:17:33,125 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:17:33,133 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:17:33,136 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:17:33,136 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:17:33,137 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:17:33,137 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:17:33,138 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:17:33,139 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:17:33,139 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:17:33,140 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5420a158-2d3a-440b-8117-405f13554624/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-15 19:17:33,190 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:17:33,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:17:33,202 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:17:33,202 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:17:33,203 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:17:33,204 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:17:33,204 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:17:33,204 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:17:33,204 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:17:33,205 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:17:33,206 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:17:33,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:17:33,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:17:33,206 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:17:33,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:17:33,207 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:17:33,207 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:17:33,207 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:17:33,207 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:17:33,208 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:17:33,208 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:17:33,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:17:33,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:17:33,208 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:17:33,209 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:17:33,209 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:17:33,209 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:17:33,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-15 19:17:33,209 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:17:33,211 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:17:33,211 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:17:33,211 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:17:33,212 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_5420a158-2d3a-440b-8117-405f13554624/bin/uautomizer-hJ6jxDFKc3/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5420a158-2d3a-440b-8117-405f13554624/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c47f40be7dbc83da8f8d897f92bcda5aac7a66c [2021-10-15 19:17:33,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:17:33,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:17:33,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:17:33,496 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:17:33,496 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:17:33,497 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5420a158-2d3a-440b-8117-405f13554624/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/float-benchs/sin_interpolated_bigrange_loose.c [2021-10-15 19:17:33,575 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5420a158-2d3a-440b-8117-405f13554624/bin/uautomizer-hJ6jxDFKc3/data/48ea8a6b9/14f19f74890d442e8a052580a6163477/FLAG101ab7066 [2021-10-15 19:17:34,063 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:17:34,064 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5420a158-2d3a-440b-8117-405f13554624/sv-benchmarks/c/float-benchs/sin_interpolated_bigrange_loose.c [2021-10-15 19:17:34,073 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5420a158-2d3a-440b-8117-405f13554624/bin/uautomizer-hJ6jxDFKc3/data/48ea8a6b9/14f19f74890d442e8a052580a6163477/FLAG101ab7066 [2021-10-15 19:17:34,391 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5420a158-2d3a-440b-8117-405f13554624/bin/uautomizer-hJ6jxDFKc3/data/48ea8a6b9/14f19f74890d442e8a052580a6163477 [2021-10-15 19:17:34,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:17:34,394 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:17:34,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:17:34,395 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:17:34,399 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:17:34,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:17:34" (1/1) ... [2021-10-15 19:17:34,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65947e76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:17:34, skipping insertion in model container [2021-10-15 19:17:34,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:17:34" (1/1) ... [2021-10-15 19:17:34,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:17:34,440 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:17:34,642 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_5420a158-2d3a-440b-8117-405f13554624/sv-benchmarks/c/float-benchs/sin_interpolated_bigrange_loose.c[690,703] [2021-10-15 19:17:34,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:17:34,812 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:17:34,828 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_5420a158-2d3a-440b-8117-405f13554624/sv-benchmarks/c/float-benchs/sin_interpolated_bigrange_loose.c[690,703] [2021-10-15 19:17:34,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:17:34,901 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:17:34,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:17:34 WrapperNode [2021-10-15 19:17:34,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:17:34,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:17:34,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:17:34,905 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:17:34,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:17:34" (1/1) ... [2021-10-15 19:17:34,948 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:17:34" (1/1) ... [2021-10-15 19:17:35,026 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:17:35,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:17:35,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:17:35,031 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:17:35,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:17:34" (1/1) ... [2021-10-15 19:17:35,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:17:34" (1/1) ... [2021-10-15 19:17:35,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:17:34" (1/1) ... [2021-10-15 19:17:35,062 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:17:34" (1/1) ... [2021-10-15 19:17:35,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:17:34" (1/1) ... [2021-10-15 19:17:35,128 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:17:34" (1/1) ... [2021-10-15 19:17:35,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:17:34" (1/1) ... [2021-10-15 19:17:35,151 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:17:35,152 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:17:35,152 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:17:35,152 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:17:35,153 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:17:34" (1/1) ... [2021-10-15 19:17:35,160 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:17:35,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5420a158-2d3a-440b-8117-405f13554624/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:17:35,220 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5420a158-2d3a-440b-8117-405f13554624/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:17:35,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5420a158-2d3a-440b-8117-405f13554624/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:17:35,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 19:17:35,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:17:35,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-15 19:17:35,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:17:35,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:17:35,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-15 19:17:35,974 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:17:35,974 INFO L299 CfgBuilder]: Removed 38 assume(true) statements. [2021-10-15 19:17:35,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:17:35 BoogieIcfgContainer [2021-10-15 19:17:35,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:17:35,978 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:17:35,978 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:17:35,982 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:17:35,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:17:34" (1/3) ... [2021-10-15 19:17:35,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@408c4a4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:17:35, skipping insertion in model container [2021-10-15 19:17:35,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:17:34" (2/3) ... [2021-10-15 19:17:35,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@408c4a4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:17:35, skipping insertion in model container [2021-10-15 19:17:35,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:17:35" (3/3) ... [2021-10-15 19:17:35,985 INFO L111 eAbstractionObserver]: Analyzing ICFG sin_interpolated_bigrange_loose.c [2021-10-15 19:17:35,990 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:17:35,990 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 19:17:36,038 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:17:36,044 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-15 19:17:36,045 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 19:17:36,059 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 33 places, 41 transitions, 82 flow [2021-10-15 19:17:36,113 INFO L129 PetriNetUnfolder]: 9/41 cut-off events. [2021-10-15 19:17:36,113 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:17:36,116 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 41 events. 9/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 80 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-10-15 19:17:36,116 INFO L82 GeneralOperation]: Start removeDead. Operand has 33 places, 41 transitions, 82 flow [2021-10-15 19:17:36,130 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 29 places, 36 transitions, 72 flow [2021-10-15 19:17:36,137 INFO L129 PetriNetUnfolder]: 8/35 cut-off events. [2021-10-15 19:17:36,137 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:17:36,137 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:17:36,138 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:17:36,139 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 19:17:36,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:17:36,144 INFO L82 PathProgramCache]: Analyzing trace with hash 1434951185, now seen corresponding path program 1 times [2021-10-15 19:17:36,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:17:36,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524976185] [2021-10-15 19:17:36,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:17:36,155 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:17:36,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:17:36,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:17:36,468 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 19:17:36,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524976185] [2021-10-15 19:17:36,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524976185] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 19:17:36,470 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:17:36,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-15 19:17:36,472 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832685928] [2021-10-15 19:17:36,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-15 19:17:36,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 19:17:36,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-15 19:17:36,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-15 19:17:36,496 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 39 out of 41 [2021-10-15 19:17:36,499 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 36 transitions, 72 flow. Second operand has 2 states, 2 states have (on average 39.5) internal successors, (79), 2 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:17:36,499 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-15 19:17:36,500 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 39 of 41 [2021-10-15 19:17:36,501 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-15 19:17:36,510 INFO L129 PetriNetUnfolder]: 7/35 cut-off events. [2021-10-15 19:17:36,510 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:17:36,511 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37 conditions, 35 events. 7/35 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 74 event pairs, 0 based on Foata normal form. 1/29 useless extension candidates. Maximal degree in co-relation 35. Up to 2 conditions per place. [2021-10-15 19:17:36,512 INFO L132 encePairwiseOnDemand]: 40/41 looper letters, 0 selfloop transitions, 0 changer transitions 0/35 dead transitions. [2021-10-15 19:17:36,513 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 35 transitions, 70 flow [2021-10-15 19:17:36,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-15 19:17:36,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-10-15 19:17:36,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 79 transitions. [2021-10-15 19:17:36,524 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9634146341463414 [2021-10-15 19:17:36,524 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 79 transitions. [2021-10-15 19:17:36,525 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 79 transitions. [2021-10-15 19:17:36,526 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:17:36,528 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 79 transitions. [2021-10-15 19:17:36,530 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 39.5) internal successors, (79), 2 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:17:36,534 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:17:36,534 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:17:36,536 INFO L186 Difference]: Start difference. First operand has 29 places, 36 transitions, 72 flow. Second operand 2 states and 79 transitions. [2021-10-15 19:17:36,537 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 35 transitions, 70 flow [2021-10-15 19:17:36,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 35 transitions, 70 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-10-15 19:17:36,541 INFO L242 Difference]: Finished difference. Result has 30 places, 35 transitions, 70 flow [2021-10-15 19:17:36,543 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=70, PETRI_PLACES=30, PETRI_TRANSITIONS=35} [2021-10-15 19:17:36,544 INFO L334 CegarLoopForPetriNet]: 29 programPoint places, 1 predicate places. [2021-10-15 19:17:36,544 INFO L470 AbstractCegarLoop]: Abstraction has has 30 places, 35 transitions, 70 flow [2021-10-15 19:17:36,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 39.5) internal successors, (79), 2 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:17:36,545 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:17:36,545 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:17:36,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-15 19:17:36,546 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 19:17:36,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:17:36,547 INFO L82 PathProgramCache]: Analyzing trace with hash 2136015763, now seen corresponding path program 1 times [2021-10-15 19:17:36,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:17:36,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370994248] [2021-10-15 19:17:36,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:17:36,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:17:36,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:17:36,628 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:17:36,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:17:36,804 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:17:36,806 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-15 19:17:36,807 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:17:36,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-15 19:17:36,815 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-15 19:17:36,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 07:17:36 BoogieIcfgContainer [2021-10-15 19:17:36,872 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-15 19:17:36,876 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 19:17:36,876 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 19:17:36,876 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 19:17:36,877 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:17:35" (3/4) ... [2021-10-15 19:17:36,881 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-15 19:17:36,882 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 19:17:36,885 INFO L168 Benchmark]: Toolchain (without parser) took 2488.74 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 66.7 MB in the beginning and 47.2 MB in the end (delta: 19.5 MB). Peak memory consumption was 42.7 MB. Max. memory is 16.1 GB. [2021-10-15 19:17:36,885 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 90.2 MB. Free memory was 64.2 MB in the beginning and 64.1 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:17:36,887 INFO L168 Benchmark]: CACSL2BoogieTranslator took 507.96 ms. Allocated memory is still 90.2 MB. Free memory was 66.4 MB in the beginning and 54.7 MB in the end (delta: 11.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-15 19:17:36,889 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.06 ms. Allocated memory is still 90.2 MB. Free memory was 54.5 MB in the beginning and 49.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-15 19:17:36,893 INFO L168 Benchmark]: Boogie Preprocessor took 119.84 ms. Allocated memory is still 90.2 MB. Free memory was 49.3 MB in the beginning and 45.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:17:36,895 INFO L168 Benchmark]: RCFGBuilder took 824.67 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 45.4 MB in the beginning and 66.8 MB in the end (delta: -21.4 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:17:36,895 INFO L168 Benchmark]: TraceAbstraction took 894.36 ms. Allocated memory is still 113.2 MB. Free memory was 66.3 MB in the beginning and 47.2 MB in the end (delta: 19.1 MB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. [2021-10-15 19:17:36,896 INFO L168 Benchmark]: Witness Printer took 6.30 ms. Allocated memory is still 113.2 MB. Free memory is still 47.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:17:36,903 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 90.2 MB. Free memory was 64.2 MB in the beginning and 64.1 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 507.96 ms. Allocated memory is still 90.2 MB. Free memory was 66.4 MB in the beginning and 54.7 MB in the end (delta: 11.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 122.06 ms. Allocated memory is still 90.2 MB. Free memory was 54.5 MB in the beginning and 49.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 119.84 ms. Allocated memory is still 90.2 MB. Free memory was 49.3 MB in the beginning and 45.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 824.67 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 45.4 MB in the beginning and 66.8 MB in the end (delta: -21.4 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 894.36 ms. Allocated memory is still 113.2 MB. Free memory was 66.3 MB in the beginning and 47.2 MB in the end (delta: 19.1 MB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. * Witness Printer took 6.30 ms. Allocated memory is still 113.2 MB. Free memory is still 47.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 17]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of to_int at line 121, overapproximation of someUnaryDOUBLEoperation at line 142, overapproximation of someBinaryArithmeticDOUBLEoperation at line 120, overapproximation of someBinaryDOUBLEComparisonOperation at line 155, overapproximation of to_real at line 122. Possible FailurePath: [L20-L112] const double T[362] = { 0.00000000000000, 0.01745240643728, 0.03489949670250, 0.05233595624294, 0.06975647374413, 0.08715574274766, 0.10452846326765, 0.12186934340515, 0.13917310096007, 0.15643446504023, 0.17364817766693, 0.19080899537654, 0.20791169081776, 0.22495105434386, 0.24192189559967, 0.25881904510252, 0.27563735581700, 0.29237170472274, 0.30901699437495, 0.32556815445716, 0.34202014332567, 0.35836794954530, 0.37460659341591, 0.39073112848927, 0.40673664307580, 0.42261826174070, 0.43837114678908, 0.45399049973955, 0.46947156278589, 0.48480962024634, 0.50000000000000, 0.51503807491005, 0.52991926423320, 0.54463903501503, 0.55919290347075, 0.57357643635105, 0.58778525229247, 0.60181502315205, 0.61566147532566, 0.62932039104984, 0.64278760968654, 0.65605902899051, 0.66913060635886, 0.68199836006250, 0.69465837045900, 0.70710678118655, 0.71933980033865, 0.73135370161917, 0.74314482547739, 0.75470958022277, 0.76604444311898, 0.77714596145697, 0.78801075360672, 0.79863551004729, 0.80901699437495, 0.81915204428899, 0.82903757255504, 0.83867056794542, 0.84804809615643, 0.85716730070211, 0.86602540378444, 0.87461970713940, 0.88294759285893, 0.89100652418837, 0.89879404629917, 0.90630778703665, 0.91354545764260, 0.92050485345244, 0.92718385456679, 0.93358042649720, 0.93969262078591, 0.94551857559932, 0.95105651629515, 0.95630475596304, 0.96126169593832, 0.96592582628907, 0.97029572627600, 0.97437006478524, 0.97814760073381, 0.98162718344766, 0.98480775301221, 0.98768834059514, 0.99026806874157, 0.99254615164132, 0.99452189536827, 0.99619469809175, 0.99756405025982, 0.99862953475457, 0.99939082701910, 0.99984769515639, 1.00000000000000, 0.99984769515639, 0.99939082701910, 0.99862953475457, 0.99756405025982, 0.99619469809175, 0.99452189536827, 0.99254615164132, 0.99026806874157, 0.98768834059514, 0.98480775301221, 0.98162718344766, 0.97814760073381, 0.97437006478524, 0.97029572627600, 0.96592582628907, 0.96126169593832, 0.95630475596304, 0.95105651629515, 0.94551857559932, 0.93969262078591, 0.93358042649720, 0.92718385456679, 0.92050485345244, 0.91354545764260, 0.90630778703665, 0.89879404629917, 0.89100652418837, 0.88294759285893, 0.87461970713940, 0.86602540378444, 0.85716730070211, 0.84804809615643, 0.83867056794542, 0.82903757255504, 0.81915204428899, 0.80901699437495, 0.79863551004729, 0.78801075360672, 0.77714596145697, 0.76604444311898, 0.75470958022277, 0.74314482547739, 0.73135370161917, 0.71933980033865, 0.70710678118655, 0.69465837045900, 0.68199836006250, 0.66913060635886, 0.65605902899051, 0.64278760968654, 0.62932039104984, 0.61566147532566, 0.60181502315205, 0.58778525229247, 0.57357643635105, 0.55919290347075, 0.54463903501503, 0.52991926423320, 0.51503807491005, 0.50000000000000, 0.48480962024634, 0.46947156278589, 0.45399049973955, 0.43837114678908, 0.42261826174070, 0.40673664307580, 0.39073112848927, 0.37460659341591, 0.35836794954530, 0.34202014332567, 0.32556815445716, 0.30901699437495, 0.29237170472274, 0.27563735581700, 0.25881904510252, 0.24192189559967, 0.22495105434387, 0.20791169081776, 0.19080899537654, 0.17364817766693, 0.15643446504023, 0.13917310096007, 0.12186934340515, 0.10452846326765, 0.08715574274766, 0.06975647374413, 0.05233595624294, 0.03489949670250, 0.01745240643728, 0.00000000000000, -0.01745240643728, -0.03489949670250, -0.05233595624294, -0.06975647374412, -0.08715574274766, -0.10452846326765, -0.12186934340515, -0.13917310096007, -0.15643446504023, -0.17364817766693, -0.19080899537654, -0.20791169081776, -0.22495105434386, -0.24192189559967, -0.25881904510252, -0.27563735581700, -0.29237170472274, -0.30901699437495, -0.32556815445716, -0.34202014332567, -0.35836794954530, -0.37460659341591, -0.39073112848927, -0.40673664307580, -0.42261826174070, -0.43837114678908, -0.45399049973955, -0.46947156278589, -0.48480962024634, -0.50000000000000, -0.51503807491005, -0.52991926423320, -0.54463903501503, -0.55919290347075, -0.57357643635105, -0.58778525229247, -0.60181502315205, -0.61566147532566, -0.62932039104984, -0.64278760968654, -0.65605902899051, -0.66913060635886, -0.68199836006250, -0.69465837045900, -0.70710678118655, -0.71933980033865, -0.73135370161917, -0.74314482547739, -0.75470958022277, -0.76604444311898, -0.77714596145697, -0.78801075360672, -0.79863551004729, -0.80901699437495, -0.81915204428899, -0.82903757255504, -0.83867056794542, -0.84804809615643, -0.85716730070211, -0.86602540378444, -0.87461970713940, -0.88294759285893, -0.89100652418837, -0.89879404629917, -0.90630778703665, -0.91354545764260, -0.92050485345244, -0.92718385456679, -0.93358042649720, -0.93969262078591, -0.94551857559932, -0.95105651629515, -0.95630475596304, -0.96126169593832, -0.96592582628907, -0.97029572627600, -0.97437006478524, -0.97814760073381, -0.98162718344766, -0.98480775301221, -0.98768834059514, -0.99026806874157, -0.99254615164132, -0.99452189536827, -0.99619469809175, -0.99756405025982, -0.99862953475457, -0.99939082701910, -0.99984769515639, -1.00000000000000, -0.99984769515639, -0.99939082701910, -0.99862953475457, -0.99756405025982, -0.99619469809175, -0.99452189536827, -0.99254615164132, -0.99026806874157, -0.98768834059514, -0.98480775301221, -0.98162718344766, -0.97814760073381, -0.97437006478524, -0.97029572627600, -0.96592582628907, -0.96126169593832, -0.95630475596304, -0.95105651629515, -0.94551857559932, -0.93969262078591, -0.93358042649720, -0.92718385456679, -0.92050485345244, -0.91354545764260, -0.90630778703665, -0.89879404629917, -0.89100652418837, -0.88294759285893, -0.87461970713940, -0.86602540378444, -0.85716730070211, -0.84804809615643, -0.83867056794542, -0.82903757255504, -0.81915204428899, -0.80901699437495, -0.79863551004729, -0.78801075360672, -0.77714596145697, -0.76604444311898, -0.75470958022277, -0.74314482547739, -0.73135370161917, -0.71933980033865, -0.70710678118655, -0.69465837045900, -0.68199836006250, -0.66913060635886, -0.65605902899051, -0.64278760968654, -0.62932039104984, -0.61566147532566, -0.60181502315205, -0.58778525229247, -0.57357643635105, -0.55919290347075, -0.54463903501503, -0.52991926423321, -0.51503807491005, -0.50000000000000, -0.48480962024634, -0.46947156278589, -0.45399049973955, -0.43837114678908, -0.42261826174070, -0.40673664307580, -0.39073112848927, -0.37460659341591, -0.35836794954530, -0.34202014332567, -0.32556815445716, -0.30901699437495, -0.29237170472274, -0.27563735581700, -0.25881904510252, -0.24192189559967, -0.22495105434387, -0.20791169081776, -0.19080899537654, -0.17364817766693, -0.15643446504023, -0.13917310096007, -0.12186934340515, -0.10452846326765, -0.08715574274766, -0.06975647374413, -0.05233595624294, -0.03489949670250, -0.01745240643728, 0, 0 }; VAL [T={5:0}] [L148] double a, r; [L150] a = __VERIFIER_nondet_double() [L15] COND FALSE !(!cond) VAL [T={5:0}] [L142] COND TRUE x<0 [L136] COND TRUE x>180 [L130] COND TRUE x<0 [L117] double dx, i_dx, v_inf; [L118] double v_sup; [L119] int i; [L120] dx = 2*x [L121] i = dx [L122] i_dx = i [L123] EXPR T[i] [L123] v_inf = T[i] [L124] EXPR T[i+1] [L124] v_sup = T[i+1] [L125] return v_inf + (dx - i_dx) * (v_sup - v_inf); VAL [T={5:0}] [L130] return -SIN_0_180(-x); [L136] return SIN_180(x-360.*(int)((x+180.)/360.)); [L142] return -SIN_POS(-x); [L153] r = SIN(a) [L17] COND TRUE !(cond) VAL [T={5:0}] [L17] reach_error() VAL [T={5:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 4.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 779.5ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 53.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 88.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 0 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 16.5ms SsaConstructionTime, 197.2ms SatisfiabilityAnalysisTime, 112.2ms InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-15 19:17:36,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5420a158-2d3a-440b-8117-405f13554624/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-15 19:17:39,400 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:17:39,401 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:17:39,444 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:17:39,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:17:39,450 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:17:39,452 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:17:39,460 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:17:39,463 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:17:39,471 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:17:39,472 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:17:39,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:17:39,475 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:17:39,478 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:17:39,480 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:17:39,485 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:17:39,486 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:17:39,487 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:17:39,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:17:39,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:17:39,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:17:39,500 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:17:39,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:17:39,505 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:17:39,509 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:17:39,509 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:17:39,510 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:17:39,512 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:17:39,512 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:17:39,513 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:17:39,514 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:17:39,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:17:39,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:17:39,518 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:17:39,520 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:17:39,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:17:39,526 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:17:39,527 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:17:39,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:17:39,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:17:39,530 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:17:39,535 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5420a158-2d3a-440b-8117-405f13554624/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-15 19:17:39,587 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:17:39,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:17:39,588 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:17:39,588 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:17:39,590 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:17:39,591 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:17:39,591 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:17:39,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:17:39,592 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:17:39,593 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:17:39,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:17:39,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:17:39,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:17:39,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:17:39,595 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-15 19:17:39,595 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-15 19:17:39,595 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:17:39,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:17:39,596 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:17:39,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:17:39,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:17:39,597 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:17:39,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:17:39,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:17:39,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:17:39,598 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:17:39,598 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:17:39,598 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-15 19:17:39,598 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-15 19:17:39,599 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:17:39,599 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:17:39,599 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:17:39,600 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:17:39,600 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-15 19:17:39,600 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_5420a158-2d3a-440b-8117-405f13554624/bin/uautomizer-hJ6jxDFKc3/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5420a158-2d3a-440b-8117-405f13554624/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c47f40be7dbc83da8f8d897f92bcda5aac7a66c [2021-10-15 19:17:40,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:17:40,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:17:40,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:17:40,100 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:17:40,100 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:17:40,101 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5420a158-2d3a-440b-8117-405f13554624/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/float-benchs/sin_interpolated_bigrange_loose.c [2021-10-15 19:17:40,174 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5420a158-2d3a-440b-8117-405f13554624/bin/uautomizer-hJ6jxDFKc3/data/b60ef15a4/011acc415abf48fc999fa7f52fbd866f/FLAG1b948328c [2021-10-15 19:17:40,741 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:17:40,754 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5420a158-2d3a-440b-8117-405f13554624/sv-benchmarks/c/float-benchs/sin_interpolated_bigrange_loose.c [2021-10-15 19:17:40,769 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5420a158-2d3a-440b-8117-405f13554624/bin/uautomizer-hJ6jxDFKc3/data/b60ef15a4/011acc415abf48fc999fa7f52fbd866f/FLAG1b948328c [2021-10-15 19:17:41,095 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5420a158-2d3a-440b-8117-405f13554624/bin/uautomizer-hJ6jxDFKc3/data/b60ef15a4/011acc415abf48fc999fa7f52fbd866f [2021-10-15 19:17:41,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:17:41,102 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:17:41,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:17:41,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:17:41,107 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:17:41,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:17:41" (1/1) ... [2021-10-15 19:17:41,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4329f8e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:17:41, skipping insertion in model container [2021-10-15 19:17:41,109 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:17:41" (1/1) ... [2021-10-15 19:17:41,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:17:41,138 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:17:41,292 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_5420a158-2d3a-440b-8117-405f13554624/sv-benchmarks/c/float-benchs/sin_interpolated_bigrange_loose.c[690,703] [2021-10-15 19:17:41,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:17:41,469 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:17:41,482 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_5420a158-2d3a-440b-8117-405f13554624/sv-benchmarks/c/float-benchs/sin_interpolated_bigrange_loose.c[690,703] [2021-10-15 19:17:41,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:17:41,613 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:17:41,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:17:41 WrapperNode [2021-10-15 19:17:41,614 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:17:41,615 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:17:41,616 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:17:41,616 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:17:41,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:17:41" (1/1) ... [2021-10-15 19:17:41,653 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:17:41" (1/1) ... [2021-10-15 19:17:41,727 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:17:41,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:17:41,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:17:41,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:17:41,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:17:41" (1/1) ... [2021-10-15 19:17:41,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:17:41" (1/1) ... [2021-10-15 19:17:41,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:17:41" (1/1) ... [2021-10-15 19:17:41,747 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:17:41" (1/1) ... [2021-10-15 19:17:41,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:17:41" (1/1) ... [2021-10-15 19:17:41,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:17:41" (1/1) ... [2021-10-15 19:17:41,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:17:41" (1/1) ... [2021-10-15 19:17:41,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:17:41,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:17:41,842 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:17:41,842 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:17:41,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:17:41" (1/1) ... [2021-10-15 19:17:41,852 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:17:41,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5420a158-2d3a-440b-8117-405f13554624/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:17:41,875 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5420a158-2d3a-440b-8117-405f13554624/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:17:41,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5420a158-2d3a-440b-8117-405f13554624/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:17:41,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-15 19:17:41,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-15 19:17:41,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:17:41,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-10-15 19:17:41,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:17:41,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:18:04,371 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:18:04,371 INFO L299 CfgBuilder]: Removed 38 assume(true) statements. [2021-10-15 19:18:04,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:18:04 BoogieIcfgContainer [2021-10-15 19:18:04,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:18:04,375 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:18:04,376 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:18:04,378 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:18:04,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:17:41" (1/3) ... [2021-10-15 19:18:04,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bd214f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:18:04, skipping insertion in model container [2021-10-15 19:18:04,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:17:41" (2/3) ... [2021-10-15 19:18:04,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bd214f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:18:04, skipping insertion in model container [2021-10-15 19:18:04,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:18:04" (3/3) ... [2021-10-15 19:18:04,382 INFO L111 eAbstractionObserver]: Analyzing ICFG sin_interpolated_bigrange_loose.c [2021-10-15 19:18:04,387 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:18:04,388 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 19:18:04,436 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:18:04,443 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-15 19:18:04,443 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 19:18:04,453 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 33 places, 41 transitions, 82 flow [2021-10-15 19:18:04,489 INFO L129 PetriNetUnfolder]: 9/41 cut-off events. [2021-10-15 19:18:04,490 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:18:04,491 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 41 events. 9/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 80 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-10-15 19:18:04,492 INFO L82 GeneralOperation]: Start removeDead. Operand has 33 places, 41 transitions, 82 flow [2021-10-15 19:18:04,496 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 29 places, 36 transitions, 72 flow [2021-10-15 19:18:04,530 INFO L129 PetriNetUnfolder]: 8/35 cut-off events. [2021-10-15 19:18:04,530 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:18:04,531 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:18:04,532 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:18:04,532 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 19:18:04,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:18:04,545 INFO L82 PathProgramCache]: Analyzing trace with hash 1434951185, now seen corresponding path program 1 times [2021-10-15 19:18:04,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-15 19:18:04,568 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2026528039] [2021-10-15 19:18:04,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:18:04,569 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-15 19:18:04,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5420a158-2d3a-440b-8117-405f13554624/bin/uautomizer-hJ6jxDFKc3/mathsat [2021-10-15 19:18:04,573 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5420a158-2d3a-440b-8117-405f13554624/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-15 19:18:04,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5420a158-2d3a-440b-8117-405f13554624/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-15 19:18:04,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5420a158-2d3a-440b-8117-405f13554624/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-15 19:18:04,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5420a158-2d3a-440b-8117-405f13554624/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 [2021-10-15 19:18:04,898 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:232) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:608) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:392) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.logic.NoopScript.annotate(NoopScript.java:577) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertCodeBlocks.java:192) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertConjunctsOfCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertConjunctsOfCodeBlocks.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertConjunctsOfCodeBlocks.annotateAndAssertConjuncts(AnnotateAndAssertConjunctsOfCodeBlocks.java:135) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertConjunctsOfCodeBlocks.annotateAndAssertNonCall(AnnotateAndAssertConjunctsOfCodeBlocks.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:101) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:312) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:211) ... 31 more [2021-10-15 19:18:04,904 INFO L168 Benchmark]: Toolchain (without parser) took 23801.14 ms. Allocated memory was 65.0 MB in the beginning and 86.0 MB in the end (delta: 21.0 MB). Free memory was 45.1 MB in the beginning and 52.7 MB in the end (delta: -7.6 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. [2021-10-15 19:18:04,904 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 65.0 MB. Free memory is still 45.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:18:04,906 INFO L168 Benchmark]: CACSL2BoogieTranslator took 511.67 ms. Allocated memory is still 65.0 MB. Free memory was 45.0 MB in the beginning and 36.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-15 19:18:04,907 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.08 ms. Allocated memory is still 65.0 MB. Free memory was 36.4 MB in the beginning and 30.6 MB in the end (delta: 5.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:18:04,908 INFO L168 Benchmark]: Boogie Preprocessor took 112.64 ms. Allocated memory was 65.0 MB in the beginning and 86.0 MB in the end (delta: 21.0 MB). Free memory was 30.6 MB in the beginning and 66.2 MB in the end (delta: -35.6 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:18:04,909 INFO L168 Benchmark]: RCFGBuilder took 22532.01 ms. Allocated memory is still 86.0 MB. Free memory was 66.2 MB in the beginning and 42.9 MB in the end (delta: 23.3 MB). Peak memory consumption was 31.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:18:04,913 INFO L168 Benchmark]: TraceAbstraction took 526.61 ms. Allocated memory is still 86.0 MB. Free memory was 42.4 MB in the beginning and 52.7 MB in the end (delta: -10.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:18:04,918 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 65.0 MB. Free memory is still 45.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 511.67 ms. Allocated memory is still 65.0 MB. Free memory was 45.0 MB in the beginning and 36.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 112.08 ms. Allocated memory is still 65.0 MB. Free memory was 36.4 MB in the beginning and 30.6 MB in the end (delta: 5.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 112.64 ms. Allocated memory was 65.0 MB in the beginning and 86.0 MB in the end (delta: 21.0 MB). Free memory was 30.6 MB in the beginning and 66.2 MB in the end (delta: -35.6 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 22532.01 ms. Allocated memory is still 86.0 MB. Free memory was 66.2 MB in the beginning and 42.9 MB in the end (delta: 23.3 MB). Peak memory consumption was 31.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 526.61 ms. Allocated memory is still 86.0 MB. Free memory was 42.4 MB in the beginning and 52.7 MB in the end (delta: -10.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:232) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-15 19:18:05,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5420a158-2d3a-440b-8117-405f13554624/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...