./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/sum_2x3-2.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_70bb05d0-553a-443f-80ca-2d3f33659445/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bb05d0-553a-443f-80ca-2d3f33659445/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_70bb05d0-553a-443f-80ca-2d3f33659445/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bb05d0-553a-443f-80ca-2d3f33659445/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/sum_2x3-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bb05d0-553a-443f-80ca-2d3f33659445/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_70bb05d0-553a-443f-80ca-2d3f33659445/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 77f2be4318d00da6c653f11357d37b225bf62c51 ........................................................................................................................................................................................................................... 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_70bb05d0-553a-443f-80ca-2d3f33659445/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bb05d0-553a-443f-80ca-2d3f33659445/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_70bb05d0-553a-443f-80ca-2d3f33659445/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bb05d0-553a-443f-80ca-2d3f33659445/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/sum_2x3-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bb05d0-553a-443f-80ca-2d3f33659445/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_70bb05d0-553a-443f-80ca-2d3f33659445/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 77f2be4318d00da6c653f11357d37b225bf62c51 ............................................................................................................................................................................................................................. 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 19:16:46,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:16:46,033 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:16:46,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:16:46,071 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:16:46,073 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:16:46,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:16:46,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:16:46,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:16:46,082 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:16:46,083 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:16:46,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:16:46,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:16:46,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:16:46,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:16:46,092 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:16:46,093 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:16:46,095 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:16:46,098 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:16:46,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:16:46,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:16:46,106 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:16:46,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:16:46,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:16:46,113 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:16:46,114 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:16:46,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:16:46,116 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:16:46,117 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:16:46,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:16:46,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:16:46,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:16:46,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:16:46,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:16:46,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:16:46,126 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:16:46,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:16:46,127 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:16:46,128 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:16:46,129 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:16:46,130 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:16:46,132 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bb05d0-553a-443f-80ca-2d3f33659445/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-15 19:16:46,162 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:16:46,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:16:46,163 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:16:46,163 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:16:46,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:16:46,165 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:16:46,166 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:16:46,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:16:46,166 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:16:46,166 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:16:46,167 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:16:46,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:16:46,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:16:46,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:16:46,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:16:46,168 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:16:46,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:16:46,169 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:16:46,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:16:46,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:16:46,170 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:16:46,170 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:16:46,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:16:46,171 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:16:46,171 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:16:46,171 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:16:46,171 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:16:46,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-15 19:16:46,172 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:16:46,172 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:16:46,172 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:16:46,173 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:16:46,173 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_70bb05d0-553a-443f-80ca-2d3f33659445/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bb05d0-553a-443f-80ca-2d3f33659445/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77f2be4318d00da6c653f11357d37b225bf62c51 [2021-10-15 19:16:46,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:16:46,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:16:46,471 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:16:46,472 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:16:46,473 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:16:46,474 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bb05d0-553a-443f-80ca-2d3f33659445/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/recursive-simple/sum_2x3-2.c [2021-10-15 19:16:46,568 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bb05d0-553a-443f-80ca-2d3f33659445/bin/uautomizer-hJ6jxDFKc3/data/0166f2290/e4a6156765f04df1839b5b8f3bf440e0/FLAGedbb950a0 [2021-10-15 19:16:47,036 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:16:47,037 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bb05d0-553a-443f-80ca-2d3f33659445/sv-benchmarks/c/recursive-simple/sum_2x3-2.c [2021-10-15 19:16:47,044 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bb05d0-553a-443f-80ca-2d3f33659445/bin/uautomizer-hJ6jxDFKc3/data/0166f2290/e4a6156765f04df1839b5b8f3bf440e0/FLAGedbb950a0 [2021-10-15 19:16:47,413 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bb05d0-553a-443f-80ca-2d3f33659445/bin/uautomizer-hJ6jxDFKc3/data/0166f2290/e4a6156765f04df1839b5b8f3bf440e0 [2021-10-15 19:16:47,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:16:47,417 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:16:47,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:16:47,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:16:47,431 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:16:47,432 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:16:47" (1/1) ... [2021-10-15 19:16:47,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@261974e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:47, skipping insertion in model container [2021-10-15 19:16:47,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:16:47" (1/1) ... [2021-10-15 19:16:47,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:16:47,461 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:16:47,611 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_70bb05d0-553a-443f-80ca-2d3f33659445/sv-benchmarks/c/recursive-simple/sum_2x3-2.c[479,492] [2021-10-15 19:16:47,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:16:47,623 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:16:47,638 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_70bb05d0-553a-443f-80ca-2d3f33659445/sv-benchmarks/c/recursive-simple/sum_2x3-2.c[479,492] [2021-10-15 19:16:47,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:16:47,664 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:16:47,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:47 WrapperNode [2021-10-15 19:16:47,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:16:47,667 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:16:47,668 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:16:47,668 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:16:47,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:47" (1/1) ... [2021-10-15 19:16:47,691 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:47" (1/1) ... [2021-10-15 19:16:47,715 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:16:47,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:16:47,717 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:16:47,717 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:16:47,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:47" (1/1) ... [2021-10-15 19:16:47,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:47" (1/1) ... [2021-10-15 19:16:47,728 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:47" (1/1) ... [2021-10-15 19:16:47,728 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:47" (1/1) ... [2021-10-15 19:16:47,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:47" (1/1) ... [2021-10-15 19:16:47,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:47" (1/1) ... [2021-10-15 19:16:47,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:47" (1/1) ... [2021-10-15 19:16:47,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:16:47,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:16:47,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:16:47,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:16:47,751 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:47" (1/1) ... [2021-10-15 19:16:47,760 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:16:47,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bb05d0-553a-443f-80ca-2d3f33659445/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:16:47,794 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bb05d0-553a-443f-80ca-2d3f33659445/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:16:47,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bb05d0-553a-443f-80ca-2d3f33659445/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:16:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:16:47,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:16:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2021-10-15 19:16:47,851 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2021-10-15 19:16:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 19:16:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:16:48,067 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:16:48,067 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-15 19:16:48,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:16:48 BoogieIcfgContainer [2021-10-15 19:16:48,069 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:16:48,071 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:16:48,071 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:16:48,074 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:16:48,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:16:47" (1/3) ... [2021-10-15 19:16:48,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@566987dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:16:48, skipping insertion in model container [2021-10-15 19:16:48,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:47" (2/3) ... [2021-10-15 19:16:48,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@566987dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:16:48, skipping insertion in model container [2021-10-15 19:16:48,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:16:48" (3/3) ... [2021-10-15 19:16:48,078 INFO L111 eAbstractionObserver]: Analyzing ICFG sum_2x3-2.c [2021-10-15 19:16:48,084 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:16:48,084 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 19:16:48,131 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:16:48,138 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 19:16:48,138 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 19:16:48,146 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 19:16:48,151 INFO L168 Benchmark]: Toolchain (without parser) took 732.11 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 51.8 MB in the beginning and 75.5 MB in the end (delta: -23.7 MB). Peak memory consumption was 1.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:16:48,152 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 88.1 MB. Free memory is still 68.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:16:48,153 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.06 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 51.6 MB in the beginning and 91.7 MB in the end (delta: -40.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:16:48,154 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.74 ms. Allocated memory is still 115.3 MB. Free memory was 91.7 MB in the beginning and 90.6 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:16:48,155 INFO L168 Benchmark]: Boogie Preprocessor took 31.49 ms. Allocated memory is still 115.3 MB. Free memory was 90.6 MB in the beginning and 89.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:16:48,156 INFO L168 Benchmark]: RCFGBuilder took 320.27 ms. Allocated memory is still 115.3 MB. Free memory was 89.6 MB in the beginning and 80.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:16:48,157 INFO L168 Benchmark]: TraceAbstraction took 77.71 ms. Allocated memory is still 115.3 MB. Free memory was 79.7 MB in the beginning and 75.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:16:48,162 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 88.1 MB. Free memory is still 68.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 247.06 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 51.6 MB in the beginning and 91.7 MB in the end (delta: -40.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 48.74 ms. Allocated memory is still 115.3 MB. Free memory was 91.7 MB in the beginning and 90.6 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.49 ms. Allocated memory is still 115.3 MB. Free memory was 90.6 MB in the beginning and 89.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 320.27 ms. Allocated memory is still 115.3 MB. Free memory was 89.6 MB in the beginning and 80.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 77.71 ms. Allocated memory is still 115.3 MB. Free memory was 79.7 MB in the beginning and 75.5 MB in the end (delta: 4.2 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 19:16:48,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bb05d0-553a-443f-80ca-2d3f33659445/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 19:16:50,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:16:50,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:16:50,899 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:16:50,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:16:50,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:16:50,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:16:50,906 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:16:50,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:16:50,909 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:16:50,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:16:50,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:16:50,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:16:50,915 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:16:50,916 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:16:50,918 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:16:50,919 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:16:50,921 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:16:50,923 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:16:50,926 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:16:50,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:16:50,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:16:50,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:16:50,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:16:50,938 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:16:50,938 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:16:50,939 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:16:50,940 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:16:50,941 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:16:50,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:16:50,942 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:16:50,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:16:50,945 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:16:50,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:16:50,947 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:16:50,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:16:50,949 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:16:50,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:16:50,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:16:50,951 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:16:50,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:16:50,953 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bb05d0-553a-443f-80ca-2d3f33659445/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-15 19:16:50,985 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:16:50,985 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:16:50,985 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:16:50,986 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:16:50,987 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:16:50,987 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:16:50,987 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:16:50,988 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:16:50,994 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:16:50,995 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:16:50,996 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:16:50,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:16:50,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:16:50,997 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:16:50,997 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-15 19:16:50,997 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-15 19:16:50,998 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:16:50,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:16:50,998 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:16:50,998 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:16:50,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:16:50,999 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:16:50,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:16:50,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:16:51,000 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:16:51,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:16:51,000 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:16:51,000 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-15 19:16:51,001 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-15 19:16:51,001 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:16:51,001 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:16:51,001 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:16:51,002 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:16:51,002 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-15 19:16:51,002 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_70bb05d0-553a-443f-80ca-2d3f33659445/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bb05d0-553a-443f-80ca-2d3f33659445/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77f2be4318d00da6c653f11357d37b225bf62c51 [2021-10-15 19:16:51,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:16:51,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:16:51,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:16:51,425 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:16:51,428 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:16:51,429 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bb05d0-553a-443f-80ca-2d3f33659445/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/recursive-simple/sum_2x3-2.c [2021-10-15 19:16:51,505 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bb05d0-553a-443f-80ca-2d3f33659445/bin/uautomizer-hJ6jxDFKc3/data/17208f6b4/d13f6459adc64a24a667797b7fad458e/FLAGf78182dc5 [2021-10-15 19:16:52,080 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:16:52,081 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bb05d0-553a-443f-80ca-2d3f33659445/sv-benchmarks/c/recursive-simple/sum_2x3-2.c [2021-10-15 19:16:52,087 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bb05d0-553a-443f-80ca-2d3f33659445/bin/uautomizer-hJ6jxDFKc3/data/17208f6b4/d13f6459adc64a24a667797b7fad458e/FLAGf78182dc5 [2021-10-15 19:16:52,426 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bb05d0-553a-443f-80ca-2d3f33659445/bin/uautomizer-hJ6jxDFKc3/data/17208f6b4/d13f6459adc64a24a667797b7fad458e [2021-10-15 19:16:52,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:16:52,433 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:16:52,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:16:52,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:16:52,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:16:52,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:16:52" (1/1) ... [2021-10-15 19:16:52,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36d9c9d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:52, skipping insertion in model container [2021-10-15 19:16:52,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:16:52" (1/1) ... [2021-10-15 19:16:52,449 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:16:52,461 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:16:52,589 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_70bb05d0-553a-443f-80ca-2d3f33659445/sv-benchmarks/c/recursive-simple/sum_2x3-2.c[479,492] [2021-10-15 19:16:52,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:16:52,606 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:16:52,621 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_70bb05d0-553a-443f-80ca-2d3f33659445/sv-benchmarks/c/recursive-simple/sum_2x3-2.c[479,492] [2021-10-15 19:16:52,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:16:52,637 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:16:52,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:52 WrapperNode [2021-10-15 19:16:52,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:16:52,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:16:52,639 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:16:52,639 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:16:52,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:52" (1/1) ... [2021-10-15 19:16:52,691 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:52" (1/1) ... [2021-10-15 19:16:52,709 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:16:52,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:16:52,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:16:52,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:16:52,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:52" (1/1) ... [2021-10-15 19:16:52,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:52" (1/1) ... [2021-10-15 19:16:52,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:52" (1/1) ... [2021-10-15 19:16:52,736 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:52" (1/1) ... [2021-10-15 19:16:52,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:52" (1/1) ... [2021-10-15 19:16:52,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:52" (1/1) ... [2021-10-15 19:16:52,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:52" (1/1) ... [2021-10-15 19:16:52,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:16:52,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:16:52,757 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:16:52,758 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:16:52,759 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:52" (1/1) ... [2021-10-15 19:16:52,767 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:16:52,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bb05d0-553a-443f-80ca-2d3f33659445/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:16:52,802 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bb05d0-553a-443f-80ca-2d3f33659445/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:16:52,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bb05d0-553a-443f-80ca-2d3f33659445/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:16:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:16:52,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:16:52,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-15 19:16:52,851 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2021-10-15 19:16:52,851 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2021-10-15 19:16:52,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:16:53,087 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:16:53,088 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-15 19:16:53,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:16:53 BoogieIcfgContainer [2021-10-15 19:16:53,090 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:16:53,092 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:16:53,092 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:16:53,095 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:16:53,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:16:52" (1/3) ... [2021-10-15 19:16:53,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55c64acf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:16:53, skipping insertion in model container [2021-10-15 19:16:53,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:52" (2/3) ... [2021-10-15 19:16:53,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55c64acf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:16:53, skipping insertion in model container [2021-10-15 19:16:53,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:16:53" (3/3) ... [2021-10-15 19:16:53,098 INFO L111 eAbstractionObserver]: Analyzing ICFG sum_2x3-2.c [2021-10-15 19:16:53,103 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:16:53,104 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 19:16:53,148 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:16:53,155 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 19:16:53,155 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 19:16:53,163 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 19:16:53,168 INFO L168 Benchmark]: Toolchain (without parser) took 733.97 ms. Allocated memory is still 65.0 MB. Free memory was 46.3 MB in the beginning and 34.0 MB in the end (delta: 12.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:16:53,169 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 65.0 MB. Free memory is still 47.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:16:53,170 INFO L168 Benchmark]: CACSL2BoogieTranslator took 203.71 ms. Allocated memory is still 65.0 MB. Free memory was 46.1 MB in the beginning and 36.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:16:53,170 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.63 ms. Allocated memory is still 65.0 MB. Free memory was 36.6 MB in the beginning and 49.0 MB in the end (delta: -12.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:16:53,171 INFO L168 Benchmark]: Boogie Preprocessor took 45.12 ms. Allocated memory is still 65.0 MB. Free memory was 49.0 MB in the beginning and 48.0 MB in the end (delta: 967.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:16:53,172 INFO L168 Benchmark]: RCFGBuilder took 333.61 ms. Allocated memory is still 65.0 MB. Free memory was 48.0 MB in the beginning and 38.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:16:53,173 INFO L168 Benchmark]: TraceAbstraction took 74.67 ms. Allocated memory is still 65.0 MB. Free memory was 38.3 MB in the beginning and 34.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:16:53,177 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 65.0 MB. Free memory is still 47.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 203.71 ms. Allocated memory is still 65.0 MB. Free memory was 46.1 MB in the beginning and 36.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.63 ms. Allocated memory is still 65.0 MB. Free memory was 36.6 MB in the beginning and 49.0 MB in the end (delta: -12.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.12 ms. Allocated memory is still 65.0 MB. Free memory was 49.0 MB in the beginning and 48.0 MB in the end (delta: 967.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 333.61 ms. Allocated memory is still 65.0 MB. Free memory was 48.0 MB in the beginning and 38.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 74.67 ms. Allocated memory is still 65.0 MB. Free memory was 38.3 MB in the beginning and 34.2 MB in the end (delta: 4.1 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 19:16:53,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70bb05d0-553a-443f-80ca-2d3f33659445/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...