./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-manipulation/dll_of_dll-2.i --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_03da5736-f1dc-4fc4-9c27-ccf2592823d8/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03da5736-f1dc-4fc4-9c27-ccf2592823d8/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_03da5736-f1dc-4fc4-9c27-ccf2592823d8/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03da5736-f1dc-4fc4-9c27-ccf2592823d8/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/heap-manipulation/dll_of_dll-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03da5736-f1dc-4fc4-9c27-ccf2592823d8/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_03da5736-f1dc-4fc4-9c27-ccf2592823d8/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 f97ce2884dfc15b6dcac26e010448359c46506d8 ...................................................................................................................................................................................................................................... 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_03da5736-f1dc-4fc4-9c27-ccf2592823d8/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03da5736-f1dc-4fc4-9c27-ccf2592823d8/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_03da5736-f1dc-4fc4-9c27-ccf2592823d8/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03da5736-f1dc-4fc4-9c27-ccf2592823d8/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/heap-manipulation/dll_of_dll-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03da5736-f1dc-4fc4-9c27-ccf2592823d8/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_03da5736-f1dc-4fc4-9c27-ccf2592823d8/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 f97ce2884dfc15b6dcac26e010448359c46506d8 ........................................................................................................................................................................................................................................ 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 19:47:17,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:47:17,886 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:47:17,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:47:17,921 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:47:17,923 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:47:17,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:47:17,928 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:47:17,930 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:47:17,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:47:17,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:47:17,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:47:17,936 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:47:17,937 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:47:17,939 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:47:17,941 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:47:17,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:47:17,944 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:47:17,946 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:47:17,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:47:17,951 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:47:17,953 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:47:17,955 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:47:17,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:47:17,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:47:17,961 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:47:17,962 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:47:17,963 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:47:17,964 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:47:17,965 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:47:17,966 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:47:17,967 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:47:17,968 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:47:17,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:47:17,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:47:17,971 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:47:17,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:47:17,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:47:17,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:47:17,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:47:17,976 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:47:17,978 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03da5736-f1dc-4fc4-9c27-ccf2592823d8/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-15 19:47:18,003 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:47:18,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:47:18,004 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:47:18,005 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:47:18,006 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:47:18,007 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:47:18,007 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:47:18,007 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:47:18,008 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:47:18,008 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:47:18,008 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:47:18,009 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:47:18,009 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:47:18,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:47:18,009 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:47:18,010 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:47:18,010 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:47:18,010 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:47:18,011 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:47:18,011 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:47:18,011 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:47:18,012 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:47:18,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:47:18,012 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:47:18,013 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:47:18,013 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:47:18,013 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:47:18,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-15 19:47:18,014 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:47:18,014 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:47:18,014 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:47:18,015 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:47:18,015 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_03da5736-f1dc-4fc4-9c27-ccf2592823d8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03da5736-f1dc-4fc4-9c27-ccf2592823d8/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f97ce2884dfc15b6dcac26e010448359c46506d8 [2021-10-15 19:47:18,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:47:18,340 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:47:18,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:47:18,344 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:47:18,345 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:47:18,346 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03da5736-f1dc-4fc4-9c27-ccf2592823d8/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/heap-manipulation/dll_of_dll-2.i [2021-10-15 19:47:18,456 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03da5736-f1dc-4fc4-9c27-ccf2592823d8/bin/uautomizer-hJ6jxDFKc3/data/58b94b1fa/f23d2ee0e7024a91b6a5e9382a5cf36d/FLAGaec140224 [2021-10-15 19:47:19,116 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:47:19,116 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03da5736-f1dc-4fc4-9c27-ccf2592823d8/sv-benchmarks/c/heap-manipulation/dll_of_dll-2.i [2021-10-15 19:47:19,130 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03da5736-f1dc-4fc4-9c27-ccf2592823d8/bin/uautomizer-hJ6jxDFKc3/data/58b94b1fa/f23d2ee0e7024a91b6a5e9382a5cf36d/FLAGaec140224 [2021-10-15 19:47:19,360 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03da5736-f1dc-4fc4-9c27-ccf2592823d8/bin/uautomizer-hJ6jxDFKc3/data/58b94b1fa/f23d2ee0e7024a91b6a5e9382a5cf36d [2021-10-15 19:47:19,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:47:19,364 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:47:19,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:47:19,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:47:19,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:47:19,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:47:19" (1/1) ... [2021-10-15 19:47:19,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39964250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:47:19, skipping insertion in model container [2021-10-15 19:47:19,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:47:19" (1/1) ... [2021-10-15 19:47:19,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:47:19,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:47:19,779 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_03da5736-f1dc-4fc4-9c27-ccf2592823d8/sv-benchmarks/c/heap-manipulation/dll_of_dll-2.i[22634,22647] [2021-10-15 19:47:19,859 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:47:19,869 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:47:19,923 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_03da5736-f1dc-4fc4-9c27-ccf2592823d8/sv-benchmarks/c/heap-manipulation/dll_of_dll-2.i[22634,22647] [2021-10-15 19:47:19,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:47:20,013 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:47:20,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:47:20 WrapperNode [2021-10-15 19:47:20,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:47:20,015 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:47:20,015 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:47:20,016 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:47:20,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:47:20" (1/1) ... [2021-10-15 19:47:20,057 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:47:20" (1/1) ... [2021-10-15 19:47:20,123 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:47:20,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:47:20,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:47:20,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:47:20,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:47:20" (1/1) ... [2021-10-15 19:47:20,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:47:20" (1/1) ... [2021-10-15 19:47:20,149 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:47:20" (1/1) ... [2021-10-15 19:47:20,149 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:47:20" (1/1) ... [2021-10-15 19:47:20,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:47:20" (1/1) ... [2021-10-15 19:47:20,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:47:20" (1/1) ... [2021-10-15 19:47:20,208 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:47:20" (1/1) ... [2021-10-15 19:47:20,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:47:20,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:47:20,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:47:20,215 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:47:20,216 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:47:20" (1/1) ... [2021-10-15 19:47:20,224 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:47:20,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03da5736-f1dc-4fc4-9c27-ccf2592823d8/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:47:20,259 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03da5736-f1dc-4fc4-9c27-ccf2592823d8/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:47:20,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03da5736-f1dc-4fc4-9c27-ccf2592823d8/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:47:20,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-15 19:47:20,309 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_master [2021-10-15 19:47:20,309 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_master [2021-10-15 19:47:20,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-15 19:47:20,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:47:20,310 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-15 19:47:20,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-15 19:47:20,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-15 19:47:20,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 19:47:20,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-15 19:47:20,310 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_generic [2021-10-15 19:47:20,311 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_generic [2021-10-15 19:47:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_slave [2021-10-15 19:47:20,311 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_slave [2021-10-15 19:47:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 19:47:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:47:20,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:47:21,162 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:47:21,163 INFO L299 CfgBuilder]: Removed 148 assume(true) statements. [2021-10-15 19:47:21,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:47:21 BoogieIcfgContainer [2021-10-15 19:47:21,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:47:21,170 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:47:21,170 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:47:21,174 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:47:21,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:47:19" (1/3) ... [2021-10-15 19:47:21,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72092c9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:47:21, skipping insertion in model container [2021-10-15 19:47:21,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:47:20" (2/3) ... [2021-10-15 19:47:21,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72092c9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:47:21, skipping insertion in model container [2021-10-15 19:47:21,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:47:21" (3/3) ... [2021-10-15 19:47:21,179 INFO L111 eAbstractionObserver]: Analyzing ICFG dll_of_dll-2.i [2021-10-15 19:47:21,184 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:47:21,185 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2021-10-15 19:47:21,243 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:47:21,251 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 19:47:21,251 INFO L340 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2021-10-15 19:47:21,263 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 19:47:21,267 INFO L168 Benchmark]: Toolchain (without parser) took 1902.66 ms. Allocated memory was 94.4 MB in the beginning and 136.3 MB in the end (delta: 41.9 MB). Free memory was 57.8 MB in the beginning and 59.7 MB in the end (delta: -2.0 MB). Peak memory consumption was 37.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:47:21,268 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 94.4 MB. Free memory was 67.3 MB in the beginning and 67.3 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:47:21,269 INFO L168 Benchmark]: CACSL2BoogieTranslator took 649.16 ms. Allocated memory was 94.4 MB in the beginning and 136.3 MB in the end (delta: 41.9 MB). Free memory was 57.6 MB in the beginning and 100.4 MB in the end (delta: -42.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:47:21,270 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.89 ms. Allocated memory is still 136.3 MB. Free memory was 100.4 MB in the beginning and 96.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:47:21,271 INFO L168 Benchmark]: Boogie Preprocessor took 88.84 ms. Allocated memory is still 136.3 MB. Free memory was 96.8 MB in the beginning and 93.3 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:47:21,272 INFO L168 Benchmark]: RCFGBuilder took 951.83 ms. Allocated memory is still 136.3 MB. Free memory was 93.3 MB in the beginning and 64.7 MB in the end (delta: 28.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-10-15 19:47:21,272 INFO L168 Benchmark]: TraceAbstraction took 96.16 ms. Allocated memory is still 136.3 MB. Free memory was 64.6 MB in the beginning and 59.7 MB in the end (delta: 4.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-15 19:47:21,276 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 94.4 MB. Free memory was 67.3 MB in the beginning and 67.3 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 649.16 ms. Allocated memory was 94.4 MB in the beginning and 136.3 MB in the end (delta: 41.9 MB). Free memory was 57.6 MB in the beginning and 100.4 MB in the end (delta: -42.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 108.89 ms. Allocated memory is still 136.3 MB. Free memory was 100.4 MB in the beginning and 96.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 88.84 ms. Allocated memory is still 136.3 MB. Free memory was 96.8 MB in the beginning and 93.3 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 951.83 ms. Allocated memory is still 136.3 MB. Free memory was 93.3 MB in the beginning and 64.7 MB in the end (delta: 28.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 96.16 ms. Allocated memory is still 136.3 MB. Free memory was 64.6 MB in the beginning and 59.7 MB in the end (delta: 4.8 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 19:47:21,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03da5736-f1dc-4fc4-9c27-ccf2592823d8/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 19:47:23,835 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:47:23,837 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:47:23,884 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:47:23,885 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:47:23,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:47:23,891 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:47:23,898 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:47:23,901 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:47:23,906 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:47:23,907 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:47:23,910 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:47:23,910 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:47:23,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:47:23,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:47:23,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:47:23,929 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:47:23,930 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:47:23,932 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:47:23,934 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:47:23,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:47:23,938 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:47:23,939 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:47:23,940 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:47:23,943 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:47:23,944 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:47:23,944 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:47:23,945 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:47:23,946 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:47:23,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:47:23,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:47:23,948 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:47:23,949 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:47:23,950 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:47:23,951 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:47:23,952 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:47:23,952 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:47:23,953 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:47:23,953 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:47:23,954 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:47:23,955 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:47:23,955 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03da5736-f1dc-4fc4-9c27-ccf2592823d8/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-15 19:47:23,994 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:47:23,994 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:47:23,995 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:47:23,995 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:47:23,997 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:47:23,997 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:47:23,997 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:47:23,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:47:23,998 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:47:23,998 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:47:23,999 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:47:23,999 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:47:24,000 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:47:24,000 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:47:24,000 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-15 19:47:24,000 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-15 19:47:24,001 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:47:24,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:47:24,001 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:47:24,001 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:47:24,002 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:47:24,002 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:47:24,002 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:47:24,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:47:24,003 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:47:24,003 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:47:24,003 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:47:24,004 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-15 19:47:24,004 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-15 19:47:24,004 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:47:24,004 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:47:24,005 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:47:24,005 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:47:24,005 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-15 19:47:24,005 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_03da5736-f1dc-4fc4-9c27-ccf2592823d8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03da5736-f1dc-4fc4-9c27-ccf2592823d8/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f97ce2884dfc15b6dcac26e010448359c46506d8 [2021-10-15 19:47:24,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:47:24,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:47:24,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:47:24,454 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:47:24,455 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:47:24,456 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03da5736-f1dc-4fc4-9c27-ccf2592823d8/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/heap-manipulation/dll_of_dll-2.i [2021-10-15 19:47:24,545 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03da5736-f1dc-4fc4-9c27-ccf2592823d8/bin/uautomizer-hJ6jxDFKc3/data/d9fa188a7/c9cc3bead1004b0580732419c443d365/FLAGd5a7fff2a [2021-10-15 19:47:25,205 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:47:25,206 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03da5736-f1dc-4fc4-9c27-ccf2592823d8/sv-benchmarks/c/heap-manipulation/dll_of_dll-2.i [2021-10-15 19:47:25,220 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03da5736-f1dc-4fc4-9c27-ccf2592823d8/bin/uautomizer-hJ6jxDFKc3/data/d9fa188a7/c9cc3bead1004b0580732419c443d365/FLAGd5a7fff2a [2021-10-15 19:47:25,461 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03da5736-f1dc-4fc4-9c27-ccf2592823d8/bin/uautomizer-hJ6jxDFKc3/data/d9fa188a7/c9cc3bead1004b0580732419c443d365 [2021-10-15 19:47:25,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:47:25,465 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:47:25,466 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:47:25,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:47:25,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:47:25,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:47:25" (1/1) ... [2021-10-15 19:47:25,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a7f0221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:47:25, skipping insertion in model container [2021-10-15 19:47:25,473 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:47:25" (1/1) ... [2021-10-15 19:47:25,480 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:47:25,547 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:47:25,927 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_03da5736-f1dc-4fc4-9c27-ccf2592823d8/sv-benchmarks/c/heap-manipulation/dll_of_dll-2.i[22634,22647] [2021-10-15 19:47:26,009 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:47:26,033 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:47:26,085 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_03da5736-f1dc-4fc4-9c27-ccf2592823d8/sv-benchmarks/c/heap-manipulation/dll_of_dll-2.i[22634,22647] [2021-10-15 19:47:26,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:47:26,178 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:47:26,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:47:26 WrapperNode [2021-10-15 19:47:26,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:47:26,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:47:26,180 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:47:26,180 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:47:26,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:47:26" (1/1) ... [2021-10-15 19:47:26,224 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:47:26" (1/1) ... [2021-10-15 19:47:26,281 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:47:26,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:47:26,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:47:26,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:47:26,296 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:47:26" (1/1) ... [2021-10-15 19:47:26,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:47:26" (1/1) ... [2021-10-15 19:47:26,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:47:26" (1/1) ... [2021-10-15 19:47:26,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:47:26" (1/1) ... [2021-10-15 19:47:26,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:47:26" (1/1) ... [2021-10-15 19:47:26,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:47:26" (1/1) ... [2021-10-15 19:47:26,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:47:26" (1/1) ... [2021-10-15 19:47:26,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:47:26,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:47:26,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:47:26,391 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:47:26,392 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:47:26" (1/1) ... [2021-10-15 19:47:26,413 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:47:26,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03da5736-f1dc-4fc4-9c27-ccf2592823d8/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:47:26,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03da5736-f1dc-4fc4-9c27-ccf2592823d8/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:47:26,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03da5736-f1dc-4fc4-9c27-ccf2592823d8/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:47:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-15 19:47:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_master [2021-10-15 19:47:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_master [2021-10-15 19:47:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-15 19:47:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:47:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-15 19:47:26,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-15 19:47:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-15 19:47:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 19:47:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-15 19:47:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_generic [2021-10-15 19:47:26,499 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_generic [2021-10-15 19:47:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-15 19:47:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_slave [2021-10-15 19:47:26,499 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_slave [2021-10-15 19:47:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:47:26,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:47:27,430 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:47:27,431 INFO L299 CfgBuilder]: Removed 148 assume(true) statements. [2021-10-15 19:47:27,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:47:27 BoogieIcfgContainer [2021-10-15 19:47:27,433 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:47:27,435 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:47:27,435 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:47:27,438 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:47:27,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:47:25" (1/3) ... [2021-10-15 19:47:27,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e1ae64d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:47:27, skipping insertion in model container [2021-10-15 19:47:27,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:47:26" (2/3) ... [2021-10-15 19:47:27,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e1ae64d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:47:27, skipping insertion in model container [2021-10-15 19:47:27,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:47:27" (3/3) ... [2021-10-15 19:47:27,442 INFO L111 eAbstractionObserver]: Analyzing ICFG dll_of_dll-2.i [2021-10-15 19:47:27,447 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:47:27,447 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2021-10-15 19:47:27,521 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:47:27,528 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 19:47:27,528 INFO L340 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2021-10-15 19:47:27,541 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 19:47:27,546 INFO L168 Benchmark]: Toolchain (without parser) took 2080.17 ms. Allocated memory was 73.4 MB in the beginning and 102.8 MB in the end (delta: 29.4 MB). Free memory was 53.6 MB in the beginning and 78.4 MB in the end (delta: -24.7 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:47:27,549 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 73.4 MB. Free memory was 53.4 MB in the beginning and 53.4 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:47:27,551 INFO L168 Benchmark]: CACSL2BoogieTranslator took 712.95 ms. Allocated memory is still 73.4 MB. Free memory was 53.3 MB in the beginning and 46.1 MB in the end (delta: 7.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:47:27,552 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.44 ms. Allocated memory is still 73.4 MB. Free memory was 46.1 MB in the beginning and 42.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:47:27,553 INFO L168 Benchmark]: Boogie Preprocessor took 102.88 ms. Allocated memory is still 73.4 MB. Free memory was 42.7 MB in the beginning and 38.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:47:27,554 INFO L168 Benchmark]: RCFGBuilder took 1043.04 ms. Allocated memory is still 73.4 MB. Free memory was 38.7 MB in the beginning and 30.9 MB in the end (delta: 7.9 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. [2021-10-15 19:47:27,555 INFO L168 Benchmark]: TraceAbstraction took 109.00 ms. Allocated memory was 73.4 MB in the beginning and 102.8 MB in the end (delta: 29.4 MB). Free memory was 30.5 MB in the beginning and 78.4 MB in the end (delta: -47.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:47:27,559 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 73.4 MB. Free memory was 53.4 MB in the beginning and 53.4 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 712.95 ms. Allocated memory is still 73.4 MB. Free memory was 53.3 MB in the beginning and 46.1 MB in the end (delta: 7.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 106.44 ms. Allocated memory is still 73.4 MB. Free memory was 46.1 MB in the beginning and 42.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 102.88 ms. Allocated memory is still 73.4 MB. Free memory was 42.7 MB in the beginning and 38.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1043.04 ms. Allocated memory is still 73.4 MB. Free memory was 38.7 MB in the beginning and 30.9 MB in the end (delta: 7.9 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 109.00 ms. Allocated memory was 73.4 MB in the beginning and 102.8 MB in the end (delta: 29.4 MB). Free memory was 30.5 MB in the beginning and 78.4 MB in the end (delta: -47.8 MB). There was no memory consumed. 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 19:47:27,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03da5736-f1dc-4fc4-9c27-ccf2592823d8/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...