./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/ofuf_2.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_5c38fb8f-61bd-4702-ac7a-931d431baa76/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c38fb8f-61bd-4702-ac7a-931d431baa76/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_5c38fb8f-61bd-4702-ac7a-931d431baa76/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c38fb8f-61bd-4702-ac7a-931d431baa76/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/ofuf_2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c38fb8f-61bd-4702-ac7a-931d431baa76/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_5c38fb8f-61bd-4702-ac7a-931d431baa76/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 9ae694734f109522fa1ca97e7fe166df1ef5d566 ................................................................................................................................................................................................................................... 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_5c38fb8f-61bd-4702-ac7a-931d431baa76/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c38fb8f-61bd-4702-ac7a-931d431baa76/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_5c38fb8f-61bd-4702-ac7a-931d431baa76/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c38fb8f-61bd-4702-ac7a-931d431baa76/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/ofuf_2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c38fb8f-61bd-4702-ac7a-931d431baa76/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_5c38fb8f-61bd-4702-ac7a-931d431baa76/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 9ae694734f109522fa1ca97e7fe166df1ef5d566 .......................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: unsupported for concurrent analysis Call --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 20:22:15,820 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 20:22:15,823 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 20:22:15,858 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 20:22:15,859 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 20:22:15,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 20:22:15,863 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 20:22:15,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 20:22:15,868 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 20:22:15,870 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 20:22:15,871 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 20:22:15,873 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 20:22:15,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 20:22:15,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 20:22:15,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 20:22:15,879 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 20:22:15,880 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 20:22:15,882 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 20:22:15,884 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 20:22:15,887 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 20:22:15,889 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 20:22:15,891 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 20:22:15,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 20:22:15,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 20:22:15,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 20:22:15,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 20:22:15,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 20:22:15,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 20:22:15,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 20:22:15,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 20:22:15,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 20:22:15,905 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 20:22:15,907 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 20:22:15,908 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 20:22:15,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 20:22:15,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 20:22:15,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 20:22:15,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 20:22:15,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 20:22:15,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 20:22:15,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 20:22:15,915 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c38fb8f-61bd-4702-ac7a-931d431baa76/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-15 20:22:15,944 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 20:22:15,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 20:22:15,945 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 20:22:15,945 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 20:22:15,946 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 20:22:15,947 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 20:22:15,947 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 20:22:15,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 20:22:15,948 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 20:22:15,948 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 20:22:15,948 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 20:22:15,948 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 20:22:15,949 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 20:22:15,949 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 20:22:15,949 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 20:22:15,949 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 20:22:15,950 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 20:22:15,950 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 20:22:15,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 20:22:15,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 20:22:15,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 20:22:15,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 20:22:15,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:22:15,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 20:22:15,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 20:22:15,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 20:22:15,952 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 20:22:15,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-15 20:22:15,953 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 20:22:15,953 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 20:22:15,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 20:22:15,954 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 20:22:15,954 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_5c38fb8f-61bd-4702-ac7a-931d431baa76/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c38fb8f-61bd-4702-ac7a-931d431baa76/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ae694734f109522fa1ca97e7fe166df1ef5d566 [2021-10-15 20:22:16,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 20:22:16,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 20:22:16,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 20:22:16,334 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 20:22:16,334 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 20:22:16,336 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c38fb8f-61bd-4702-ac7a-931d431baa76/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/loop-industry-pattern/ofuf_2.c [2021-10-15 20:22:16,436 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c38fb8f-61bd-4702-ac7a-931d431baa76/bin/uautomizer-hJ6jxDFKc3/data/428533d04/efa28d13a7cf43628bfc82b3860d9774/FLAGda2ba4d0a [2021-10-15 20:22:17,154 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 20:22:17,156 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c38fb8f-61bd-4702-ac7a-931d431baa76/sv-benchmarks/c/loop-industry-pattern/ofuf_2.c [2021-10-15 20:22:17,177 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c38fb8f-61bd-4702-ac7a-931d431baa76/bin/uautomizer-hJ6jxDFKc3/data/428533d04/efa28d13a7cf43628bfc82b3860d9774/FLAGda2ba4d0a [2021-10-15 20:22:17,401 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c38fb8f-61bd-4702-ac7a-931d431baa76/bin/uautomizer-hJ6jxDFKc3/data/428533d04/efa28d13a7cf43628bfc82b3860d9774 [2021-10-15 20:22:17,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 20:22:17,409 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 20:22:17,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 20:22:17,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 20:22:17,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 20:22:17,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:22:17" (1/1) ... [2021-10-15 20:22:17,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c8fa7d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:22:17, skipping insertion in model container [2021-10-15 20:22:17,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:22:17" (1/1) ... [2021-10-15 20:22:17,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 20:22:17,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 20:22:17,884 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_5c38fb8f-61bd-4702-ac7a-931d431baa76/sv-benchmarks/c/loop-industry-pattern/ofuf_2.c[11342,11355] [2021-10-15 20:22:17,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:22:17,899 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 20:22:17,984 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_5c38fb8f-61bd-4702-ac7a-931d431baa76/sv-benchmarks/c/loop-industry-pattern/ofuf_2.c[11342,11355] [2021-10-15 20:22:17,985 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:22:18,015 INFO L208 MainTranslator]: Completed translation [2021-10-15 20:22:18,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:22:18 WrapperNode [2021-10-15 20:22:18,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 20:22:18,017 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 20:22:18,017 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 20:22:18,018 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 20:22:18,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:22:18" (1/1) ... [2021-10-15 20:22:18,047 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:22:18" (1/1) ... [2021-10-15 20:22:18,123 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 20:22:18,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 20:22:18,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 20:22:18,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 20:22:18,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:22:18" (1/1) ... [2021-10-15 20:22:18,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:22:18" (1/1) ... [2021-10-15 20:22:18,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:22:18" (1/1) ... [2021-10-15 20:22:18,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:22:18" (1/1) ... [2021-10-15 20:22:18,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:22:18" (1/1) ... [2021-10-15 20:22:18,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:22:18" (1/1) ... [2021-10-15 20:22:18,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:22:18" (1/1) ... [2021-10-15 20:22:18,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 20:22:18,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 20:22:18,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 20:22:18,238 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 20:22:18,240 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:22:18" (1/1) ... [2021-10-15 20:22:18,258 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:22:18,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c38fb8f-61bd-4702-ac7a-931d431baa76/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:22:18,293 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c38fb8f-61bd-4702-ac7a-931d431baa76/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 20:22:18,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c38fb8f-61bd-4702-ac7a-931d431baa76/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 20:22:18,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-15 20:22:18,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-15 20:22:18,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 20:22:18,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-15 20:22:18,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-15 20:22:18,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-15 20:22:18,347 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2021-10-15 20:22:18,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 20:22:18,347 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2021-10-15 20:22:18,347 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2021-10-15 20:22:18,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-15 20:22:18,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 20:22:18,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 20:22:18,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 20:22:19,586 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 20:22:19,587 INFO L299 CfgBuilder]: Removed 38 assume(true) statements. [2021-10-15 20:22:19,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:22:19 BoogieIcfgContainer [2021-10-15 20:22:19,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 20:22:19,592 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 20:22:19,592 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 20:22:19,596 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 20:22:19,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:22:17" (1/3) ... [2021-10-15 20:22:19,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1747e4b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:22:19, skipping insertion in model container [2021-10-15 20:22:19,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:22:18" (2/3) ... [2021-10-15 20:22:19,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1747e4b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:22:19, skipping insertion in model container [2021-10-15 20:22:19,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:22:19" (3/3) ... [2021-10-15 20:22:19,600 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_2.c [2021-10-15 20:22:19,606 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 20:22:19,606 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 20:22:19,664 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 20:22:19,671 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 20:22:19,671 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 20:22:19,686 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: unsupported for concurrent analysis Call at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNet(CFG2NestedWordAutomaton.java:382) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNetWithSPredicates(CFG2NestedWordAutomaton.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNet.constructPetriNetWithoutDeadTransitions(CegarLoopForPetriNet.java:199) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNet.getInitialAbstraction(CegarLoopForPetriNet.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.computeInitialAbstraction(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:347) 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) [2021-10-15 20:22:19,692 INFO L168 Benchmark]: Toolchain (without parser) took 2281.16 ms. Allocated memory was 102.8 MB in the beginning and 127.9 MB in the end (delta: 25.2 MB). Free memory was 60.6 MB in the beginning and 77.8 MB in the end (delta: -17.3 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. [2021-10-15 20:22:19,692 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 102.8 MB. Free memory is still 77.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:22:19,693 INFO L168 Benchmark]: CACSL2BoogieTranslator took 603.11 ms. Allocated memory is still 102.8 MB. Free memory was 60.4 MB in the beginning and 70.1 MB in the end (delta: -9.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-15 20:22:19,694 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.61 ms. Allocated memory is still 102.8 MB. Free memory was 69.7 MB in the beginning and 65.1 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 20:22:19,695 INFO L168 Benchmark]: Boogie Preprocessor took 112.77 ms. Allocated memory is still 102.8 MB. Free memory was 65.1 MB in the beginning and 60.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 20:22:19,696 INFO L168 Benchmark]: RCFGBuilder took 1351.75 ms. Allocated memory was 102.8 MB in the beginning and 127.9 MB in the end (delta: 25.2 MB). Free memory was 60.5 MB in the beginning and 83.4 MB in the end (delta: -22.9 MB). Peak memory consumption was 44.8 MB. Max. memory is 16.1 GB. [2021-10-15 20:22:19,697 INFO L168 Benchmark]: TraceAbstraction took 97.82 ms. Allocated memory is still 127.9 MB. Free memory was 82.8 MB in the beginning and 77.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-15 20:22:19,701 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 102.8 MB. Free memory is still 77.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 603.11 ms. Allocated memory is still 102.8 MB. Free memory was 60.4 MB in the beginning and 70.1 MB in the end (delta: -9.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 106.61 ms. Allocated memory is still 102.8 MB. Free memory was 69.7 MB in the beginning and 65.1 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 112.77 ms. Allocated memory is still 102.8 MB. Free memory was 65.1 MB in the beginning and 60.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1351.75 ms. Allocated memory was 102.8 MB in the beginning and 127.9 MB in the end (delta: 25.2 MB). Free memory was 60.5 MB in the beginning and 83.4 MB in the end (delta: -22.9 MB). Peak memory consumption was 44.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 97.82 ms. Allocated memory is still 127.9 MB. Free memory was 82.8 MB in the beginning and 77.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: unsupported for concurrent analysis Call de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: unsupported for concurrent analysis Call: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNet(CFG2NestedWordAutomaton.java:382) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-15 20:22:19,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c38fb8f-61bd-4702-ac7a-931d431baa76/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 20:22:22,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 20:22:22,401 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 20:22:22,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 20:22:22,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 20:22:22,470 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 20:22:22,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 20:22:22,480 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 20:22:22,484 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 20:22:22,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 20:22:22,492 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 20:22:22,495 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 20:22:22,495 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 20:22:22,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 20:22:22,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 20:22:22,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 20:22:22,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 20:22:22,511 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 20:22:22,514 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 20:22:22,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 20:22:22,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 20:22:22,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 20:22:22,531 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 20:22:22,533 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 20:22:22,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 20:22:22,544 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 20:22:22,545 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 20:22:22,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 20:22:22,548 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 20:22:22,549 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 20:22:22,550 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 20:22:22,551 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 20:22:22,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 20:22:22,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 20:22:22,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 20:22:22,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 20:22:22,559 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 20:22:22,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 20:22:22,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 20:22:22,562 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 20:22:22,563 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 20:22:22,569 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c38fb8f-61bd-4702-ac7a-931d431baa76/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-15 20:22:22,623 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 20:22:22,624 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 20:22:22,625 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 20:22:22,625 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 20:22:22,627 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 20:22:22,628 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 20:22:22,628 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 20:22:22,628 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 20:22:22,629 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 20:22:22,629 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 20:22:22,630 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 20:22:22,631 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 20:22:22,631 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 20:22:22,632 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 20:22:22,632 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-15 20:22:22,632 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-15 20:22:22,633 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 20:22:22,633 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 20:22:22,633 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 20:22:22,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 20:22:22,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 20:22:22,634 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 20:22:22,635 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 20:22:22,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:22:22,636 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 20:22:22,636 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 20:22:22,637 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 20:22:22,637 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-15 20:22:22,637 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-15 20:22:22,638 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 20:22:22,638 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 20:22:22,638 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 20:22:22,639 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 20:22:22,639 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-15 20:22:22,639 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_5c38fb8f-61bd-4702-ac7a-931d431baa76/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c38fb8f-61bd-4702-ac7a-931d431baa76/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ae694734f109522fa1ca97e7fe166df1ef5d566 [2021-10-15 20:22:23,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 20:22:23,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 20:22:23,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 20:22:23,113 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 20:22:23,114 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 20:22:23,115 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c38fb8f-61bd-4702-ac7a-931d431baa76/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/loop-industry-pattern/ofuf_2.c [2021-10-15 20:22:23,205 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c38fb8f-61bd-4702-ac7a-931d431baa76/bin/uautomizer-hJ6jxDFKc3/data/c2417b282/6414faa06d3847528f26a53d0735d703/FLAGdefa10d27 [2021-10-15 20:22:23,888 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 20:22:23,889 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c38fb8f-61bd-4702-ac7a-931d431baa76/sv-benchmarks/c/loop-industry-pattern/ofuf_2.c [2021-10-15 20:22:23,904 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c38fb8f-61bd-4702-ac7a-931d431baa76/bin/uautomizer-hJ6jxDFKc3/data/c2417b282/6414faa06d3847528f26a53d0735d703/FLAGdefa10d27 [2021-10-15 20:22:24,135 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c38fb8f-61bd-4702-ac7a-931d431baa76/bin/uautomizer-hJ6jxDFKc3/data/c2417b282/6414faa06d3847528f26a53d0735d703 [2021-10-15 20:22:24,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 20:22:24,143 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 20:22:24,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 20:22:24,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 20:22:24,166 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 20:22:24,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:22:24" (1/1) ... [2021-10-15 20:22:24,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@123a4ab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:22:24, skipping insertion in model container [2021-10-15 20:22:24,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:22:24" (1/1) ... [2021-10-15 20:22:24,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 20:22:24,228 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 20:22:24,616 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_5c38fb8f-61bd-4702-ac7a-931d431baa76/sv-benchmarks/c/loop-industry-pattern/ofuf_2.c[11342,11355] [2021-10-15 20:22:24,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:22:24,637 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 20:22:24,741 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_5c38fb8f-61bd-4702-ac7a-931d431baa76/sv-benchmarks/c/loop-industry-pattern/ofuf_2.c[11342,11355] [2021-10-15 20:22:24,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:22:24,770 INFO L208 MainTranslator]: Completed translation [2021-10-15 20:22:24,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:22:24 WrapperNode [2021-10-15 20:22:24,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 20:22:24,772 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 20:22:24,773 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 20:22:24,773 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 20:22:24,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:22:24" (1/1) ... [2021-10-15 20:22:24,809 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:22:24" (1/1) ... [2021-10-15 20:22:24,895 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 20:22:24,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 20:22:24,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 20:22:24,908 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 20:22:24,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:22:24" (1/1) ... [2021-10-15 20:22:24,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:22:24" (1/1) ... [2021-10-15 20:22:24,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:22:24" (1/1) ... [2021-10-15 20:22:24,937 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:22:24" (1/1) ... [2021-10-15 20:22:25,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:22:24" (1/1) ... [2021-10-15 20:22:25,045 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:22:24" (1/1) ... [2021-10-15 20:22:25,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:22:24" (1/1) ... [2021-10-15 20:22:25,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 20:22:25,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 20:22:25,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 20:22:25,069 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 20:22:25,070 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:22:24" (1/1) ... [2021-10-15 20:22:25,078 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:22:25,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c38fb8f-61bd-4702-ac7a-931d431baa76/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:22:25,114 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c38fb8f-61bd-4702-ac7a-931d431baa76/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 20:22:25,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c38fb8f-61bd-4702-ac7a-931d431baa76/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 20:22:25,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-15 20:22:25,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-10-15 20:22:25,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-10-15 20:22:25,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-15 20:22:25,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-10-15 20:22:25,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-15 20:22:25,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 20:22:25,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-15 20:22:25,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-10-15 20:22:25,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-15 20:22:25,176 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2021-10-15 20:22:25,176 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2021-10-15 20:22:25,177 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2021-10-15 20:22:25,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-15 20:22:25,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 20:22:25,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 20:22:25,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-10-15 20:22:25,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 20:22:25,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-15 20:22:26,829 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 20:22:26,829 INFO L299 CfgBuilder]: Removed 38 assume(true) statements. [2021-10-15 20:22:26,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:22:26 BoogieIcfgContainer [2021-10-15 20:22:26,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 20:22:26,834 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 20:22:26,835 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 20:22:26,838 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 20:22:26,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:22:24" (1/3) ... [2021-10-15 20:22:26,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51fce5d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:22:26, skipping insertion in model container [2021-10-15 20:22:26,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:22:24" (2/3) ... [2021-10-15 20:22:26,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51fce5d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:22:26, skipping insertion in model container [2021-10-15 20:22:26,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:22:26" (3/3) ... [2021-10-15 20:22:26,842 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_2.c [2021-10-15 20:22:26,848 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 20:22:26,849 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 20:22:26,908 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 20:22:26,916 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 20:22:26,917 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 20:22:26,931 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: unsupported for concurrent analysis Call at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNet(CFG2NestedWordAutomaton.java:382) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNetWithSPredicates(CFG2NestedWordAutomaton.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNet.constructPetriNetWithoutDeadTransitions(CegarLoopForPetriNet.java:199) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNet.getInitialAbstraction(CegarLoopForPetriNet.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.computeInitialAbstraction(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:347) 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) [2021-10-15 20:22:26,936 INFO L168 Benchmark]: Toolchain (without parser) took 2791.91 ms. Allocated memory was 86.0 MB in the beginning and 115.3 MB in the end (delta: 29.4 MB). Free memory was 51.1 MB in the beginning and 79.9 MB in the end (delta: -28.8 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2021-10-15 20:22:26,937 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 86.0 MB. Free memory was 68.3 MB in the beginning and 68.2 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:22:26,938 INFO L168 Benchmark]: CACSL2BoogieTranslator took 625.28 ms. Allocated memory is still 86.0 MB. Free memory was 50.9 MB in the beginning and 62.3 MB in the end (delta: -11.4 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. [2021-10-15 20:22:26,939 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.25 ms. Allocated memory is still 86.0 MB. Free memory was 62.3 MB in the beginning and 57.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 20:22:26,940 INFO L168 Benchmark]: Boogie Preprocessor took 159.77 ms. Allocated memory is still 86.0 MB. Free memory was 57.6 MB in the beginning and 52.7 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 20:22:26,941 INFO L168 Benchmark]: RCFGBuilder took 1763.69 ms. Allocated memory was 86.0 MB in the beginning and 115.3 MB in the end (delta: 29.4 MB). Free memory was 52.7 MB in the beginning and 85.5 MB in the end (delta: -32.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 16.1 GB. [2021-10-15 20:22:26,942 INFO L168 Benchmark]: TraceAbstraction took 99.60 ms. Allocated memory is still 115.3 MB. Free memory was 84.7 MB in the beginning and 79.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 20:22:26,947 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 86.0 MB. Free memory was 68.3 MB in the beginning and 68.2 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 625.28 ms. Allocated memory is still 86.0 MB. Free memory was 50.9 MB in the beginning and 62.3 MB in the end (delta: -11.4 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 123.25 ms. Allocated memory is still 86.0 MB. Free memory was 62.3 MB in the beginning and 57.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 159.77 ms. Allocated memory is still 86.0 MB. Free memory was 57.6 MB in the beginning and 52.7 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1763.69 ms. Allocated memory was 86.0 MB in the beginning and 115.3 MB in the end (delta: 29.4 MB). Free memory was 52.7 MB in the beginning and 85.5 MB in the end (delta: -32.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 99.60 ms. Allocated memory is still 115.3 MB. Free memory was 84.7 MB in the beginning and 79.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: unsupported for concurrent analysis Call de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: unsupported for concurrent analysis Call: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNet(CFG2NestedWordAutomaton.java:382) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-15 20:22:27,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c38fb8f-61bd-4702-ac7a-931d431baa76/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...