./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.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_ac058941-fb12-479e-8cc0-2910e334c66b/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac058941-fb12-479e-8cc0-2910e334c66b/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_ac058941-fb12-479e-8cc0-2910e334c66b/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac058941-fb12-479e-8cc0-2910e334c66b/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac058941-fb12-479e-8cc0-2910e334c66b/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_ac058941-fb12-479e-8cc0-2910e334c66b/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 f8ce463a68003145f68f57eef3f97a99b93a908a ............................................................................................................................................................................................................................. 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_ac058941-fb12-479e-8cc0-2910e334c66b/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac058941-fb12-479e-8cc0-2910e334c66b/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_ac058941-fb12-479e-8cc0-2910e334c66b/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac058941-fb12-479e-8cc0-2910e334c66b/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac058941-fb12-479e-8cc0-2910e334c66b/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_ac058941-fb12-479e-8cc0-2910e334c66b/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 f8ce463a68003145f68f57eef3f97a99b93a908a ............................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: unsupported for concurrent analysis Return --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 19:27:00,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:27:00,676 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:27:00,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:27:00,712 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:27:00,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:27:00,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:27:00,718 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:27:00,721 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:27:00,722 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:27:00,723 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:27:00,725 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:27:00,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:27:00,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:27:00,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:27:00,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:27:00,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:27:00,734 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:27:00,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:27:00,740 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:27:00,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:27:00,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:27:00,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:27:00,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:27:00,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:27:00,757 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:27:00,757 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:27:00,759 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:27:00,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:27:00,761 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:27:00,761 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:27:00,770 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:27:00,772 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:27:00,773 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:27:00,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:27:00,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:27:00,777 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:27:00,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:27:00,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:27:00,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:27:00,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:27:00,780 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac058941-fb12-479e-8cc0-2910e334c66b/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-15 19:27:00,836 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:27:00,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:27:00,837 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:27:00,837 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:27:00,850 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:27:00,850 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:27:00,850 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:27:00,850 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:27:00,851 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:27:00,851 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:27:00,851 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:27:00,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:27:00,852 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:27:00,852 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:27:00,852 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:27:00,852 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:27:00,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:27:00,853 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:27:00,853 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:27:00,853 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:27:00,853 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:27:00,854 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:27:00,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:27:00,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:27:00,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:27:00,855 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:27:00,855 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:27:00,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-15 19:27:00,855 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:27:00,855 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:27:00,856 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:27:00,856 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:27:00,856 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_ac058941-fb12-479e-8cc0-2910e334c66b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac058941-fb12-479e-8cc0-2910e334c66b/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8ce463a68003145f68f57eef3f97a99b93a908a [2021-10-15 19:27:01,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:27:01,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:27:01,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:27:01,166 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:27:01,167 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:27:01,168 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac058941-fb12-479e-8cc0-2910e334c66b/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.c [2021-10-15 19:27:01,234 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac058941-fb12-479e-8cc0-2910e334c66b/bin/uautomizer-hJ6jxDFKc3/data/a05fe49c1/30ec0c05193148adab56ccda5726d6a1/FLAGfd321a695 [2021-10-15 19:27:01,721 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:27:01,723 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac058941-fb12-479e-8cc0-2910e334c66b/sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.c [2021-10-15 19:27:01,735 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac058941-fb12-479e-8cc0-2910e334c66b/bin/uautomizer-hJ6jxDFKc3/data/a05fe49c1/30ec0c05193148adab56ccda5726d6a1/FLAGfd321a695 [2021-10-15 19:27:02,082 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac058941-fb12-479e-8cc0-2910e334c66b/bin/uautomizer-hJ6jxDFKc3/data/a05fe49c1/30ec0c05193148adab56ccda5726d6a1 [2021-10-15 19:27:02,084 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:27:02,086 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:27:02,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:27:02,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:27:02,093 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:27:02,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:27:02" (1/1) ... [2021-10-15 19:27:02,095 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bd8d11d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:27:02, skipping insertion in model container [2021-10-15 19:27:02,095 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:27:02" (1/1) ... [2021-10-15 19:27:02,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:27:02,118 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:27:02,319 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_ac058941-fb12-479e-8cc0-2910e334c66b/sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.c[946,959] [2021-10-15 19:27:02,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:27:02,331 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:27:02,350 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_ac058941-fb12-479e-8cc0-2910e334c66b/sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.c[946,959] [2021-10-15 19:27:02,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:27:02,364 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:27:02,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:27:02 WrapperNode [2021-10-15 19:27:02,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:27:02,366 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:27:02,367 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:27:02,367 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:27:02,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:27:02" (1/1) ... [2021-10-15 19:27:02,384 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:27:02" (1/1) ... [2021-10-15 19:27:02,405 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:27:02,406 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:27:02,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:27:02,407 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:27:02,417 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:27:02" (1/1) ... [2021-10-15 19:27:02,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:27:02" (1/1) ... [2021-10-15 19:27:02,419 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:27:02" (1/1) ... [2021-10-15 19:27:02,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:27:02" (1/1) ... [2021-10-15 19:27:02,424 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:27:02" (1/1) ... [2021-10-15 19:27:02,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:27:02" (1/1) ... [2021-10-15 19:27:02,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:27:02" (1/1) ... [2021-10-15 19:27:02,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:27:02,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:27:02,431 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:27:02,431 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:27:02,432 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:27:02" (1/1) ... [2021-10-15 19:27:02,441 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:27:02,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac058941-fb12-479e-8cc0-2910e334c66b/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:27:02,496 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac058941-fb12-479e-8cc0-2910e334c66b/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:27:02,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac058941-fb12-479e-8cc0-2910e334c66b/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:27:02,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 19:27:02,552 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2021-10-15 19:27:02,553 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2021-10-15 19:27:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:27:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2021-10-15 19:27:02,553 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2021-10-15 19:27:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:27:02,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:27:02,764 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:27:02,765 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-15 19:27:02,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:27:02 BoogieIcfgContainer [2021-10-15 19:27:02,767 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:27:02,769 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:27:02,769 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:27:02,774 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:27:02,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:27:02" (1/3) ... [2021-10-15 19:27:02,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d7717bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:27:02, skipping insertion in model container [2021-10-15 19:27:02,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:27:02" (2/3) ... [2021-10-15 19:27:02,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d7717bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:27:02, skipping insertion in model container [2021-10-15 19:27:02,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:27:02" (3/3) ... [2021-10-15 19:27:02,778 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_2calls_6-1.c [2021-10-15 19:27:02,784 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:27:02,784 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 19:27:02,836 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:27:02,844 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 19:27:02,856 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 19:27:02,866 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: unsupported for concurrent analysis Return at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNet(CFG2NestedWordAutomaton.java:385) 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 19:27:02,887 INFO L168 Benchmark]: Toolchain (without parser) took 799.69 ms. Allocated memory was 107.0 MB in the beginning and 136.3 MB in the end (delta: 29.4 MB). Free memory was 74.6 MB in the beginning and 93.7 MB in the end (delta: -19.1 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:27:02,888 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 107.0 MB. Free memory is still 59.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:27:02,890 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.99 ms. Allocated memory was 107.0 MB in the beginning and 136.3 MB in the end (delta: 29.4 MB). Free memory was 74.3 MB in the beginning and 111.2 MB in the end (delta: -36.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:27:02,891 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.08 ms. Allocated memory is still 136.3 MB. Free memory was 111.2 MB in the beginning and 109.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:27:02,899 INFO L168 Benchmark]: Boogie Preprocessor took 23.63 ms. Allocated memory is still 136.3 MB. Free memory was 109.8 MB in the beginning and 108.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:27:02,900 INFO L168 Benchmark]: RCFGBuilder took 336.74 ms. Allocated memory is still 136.3 MB. Free memory was 108.4 MB in the beginning and 98.5 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:27:02,901 INFO L168 Benchmark]: TraceAbstraction took 115.34 ms. Allocated memory is still 136.3 MB. Free memory was 97.9 MB in the beginning and 93.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:27:02,908 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 107.0 MB. Free memory is still 59.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 276.99 ms. Allocated memory was 107.0 MB in the beginning and 136.3 MB in the end (delta: 29.4 MB). Free memory was 74.3 MB in the beginning and 111.2 MB in the end (delta: -36.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.08 ms. Allocated memory is still 136.3 MB. Free memory was 111.2 MB in the beginning and 109.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.63 ms. Allocated memory is still 136.3 MB. Free memory was 109.8 MB in the beginning and 108.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 336.74 ms. Allocated memory is still 136.3 MB. Free memory was 108.4 MB in the beginning and 98.5 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 115.34 ms. Allocated memory is still 136.3 MB. Free memory was 97.9 MB in the beginning and 93.7 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 Return de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: unsupported for concurrent analysis Return: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNet(CFG2NestedWordAutomaton.java:385) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-15 19:27:02,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac058941-fb12-479e-8cc0-2910e334c66b/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 19:27:05,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:27:05,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:27:05,691 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:27:05,692 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:27:05,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:27:05,699 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:27:05,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:27:05,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:27:05,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:27:05,720 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:27:05,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:27:05,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:27:05,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:27:05,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:27:05,734 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:27:05,736 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:27:05,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:27:05,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:27:05,750 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:27:05,751 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:27:05,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:27:05,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:27:05,759 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:27:05,762 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:27:05,763 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:27:05,763 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:27:05,765 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:27:05,766 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:27:05,767 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:27:05,767 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:27:05,768 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:27:05,770 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:27:05,771 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:27:05,772 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:27:05,773 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:27:05,773 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:27:05,774 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:27:05,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:27:05,776 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:27:05,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:27:05,781 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac058941-fb12-479e-8cc0-2910e334c66b/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-15 19:27:05,829 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:27:05,829 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:27:05,830 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:27:05,830 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:27:05,832 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:27:05,833 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:27:05,833 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:27:05,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:27:05,834 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:27:05,835 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:27:05,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:27:05,836 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:27:05,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:27:05,836 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:27:05,837 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-15 19:27:05,837 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-15 19:27:05,837 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:27:05,837 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:27:05,837 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:27:05,838 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:27:05,838 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:27:05,838 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:27:05,838 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:27:05,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:27:05,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:27:05,839 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:27:05,839 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:27:05,839 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-15 19:27:05,840 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-15 19:27:05,840 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:27:05,840 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:27:05,840 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:27:05,841 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:27:05,841 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-15 19:27:05,841 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_ac058941-fb12-479e-8cc0-2910e334c66b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac058941-fb12-479e-8cc0-2910e334c66b/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8ce463a68003145f68f57eef3f97a99b93a908a [2021-10-15 19:27:06,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:27:06,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:27:06,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:27:06,312 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:27:06,312 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:27:06,313 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac058941-fb12-479e-8cc0-2910e334c66b/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.c [2021-10-15 19:27:06,410 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac058941-fb12-479e-8cc0-2910e334c66b/bin/uautomizer-hJ6jxDFKc3/data/fbe6b384b/b4df2c5546ac45c483d1a863d07fe757/FLAGb058e2558 [2021-10-15 19:27:07,032 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:27:07,034 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac058941-fb12-479e-8cc0-2910e334c66b/sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.c [2021-10-15 19:27:07,042 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac058941-fb12-479e-8cc0-2910e334c66b/bin/uautomizer-hJ6jxDFKc3/data/fbe6b384b/b4df2c5546ac45c483d1a863d07fe757/FLAGb058e2558 [2021-10-15 19:27:07,422 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac058941-fb12-479e-8cc0-2910e334c66b/bin/uautomizer-hJ6jxDFKc3/data/fbe6b384b/b4df2c5546ac45c483d1a863d07fe757 [2021-10-15 19:27:07,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:27:07,426 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:27:07,427 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:27:07,427 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:27:07,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:27:07,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:27:07" (1/1) ... [2021-10-15 19:27:07,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70b7ba43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:27:07, skipping insertion in model container [2021-10-15 19:27:07,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:27:07" (1/1) ... [2021-10-15 19:27:07,450 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:27:07,464 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:27:07,629 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_ac058941-fb12-479e-8cc0-2910e334c66b/sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.c[946,959] [2021-10-15 19:27:07,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:27:07,645 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:27:07,662 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_ac058941-fb12-479e-8cc0-2910e334c66b/sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.c[946,959] [2021-10-15 19:27:07,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:27:07,687 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:27:07,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:27:07 WrapperNode [2021-10-15 19:27:07,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:27:07,689 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:27:07,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:27:07,689 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:27:07,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:27:07" (1/1) ... [2021-10-15 19:27:07,705 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:27:07" (1/1) ... [2021-10-15 19:27:07,723 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:27:07,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:27:07,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:27:07,724 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:27:07,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:27:07" (1/1) ... [2021-10-15 19:27:07,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:27:07" (1/1) ... [2021-10-15 19:27:07,773 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:27:07" (1/1) ... [2021-10-15 19:27:07,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:27:07" (1/1) ... [2021-10-15 19:27:07,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:27:07" (1/1) ... [2021-10-15 19:27:07,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:27:07" (1/1) ... [2021-10-15 19:27:07,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:27:07" (1/1) ... [2021-10-15 19:27:07,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:27:07,787 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:27:07,787 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:27:07,787 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:27:07,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:27:07" (1/1) ... [2021-10-15 19:27:07,798 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:27:07,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac058941-fb12-479e-8cc0-2910e334c66b/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:27:07,830 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac058941-fb12-479e-8cc0-2910e334c66b/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:27:07,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac058941-fb12-479e-8cc0-2910e334c66b/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:27:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-15 19:27:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2021-10-15 19:27:07,894 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2021-10-15 19:27:07,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:27:07,894 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2021-10-15 19:27:07,894 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2021-10-15 19:27:07,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:27:07,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:27:08,196 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:27:08,196 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-15 19:27:08,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:27:08 BoogieIcfgContainer [2021-10-15 19:27:08,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:27:08,201 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:27:08,201 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:27:08,220 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:27:08,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:27:07" (1/3) ... [2021-10-15 19:27:08,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5234162e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:27:08, skipping insertion in model container [2021-10-15 19:27:08,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:27:07" (2/3) ... [2021-10-15 19:27:08,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5234162e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:27:08, skipping insertion in model container [2021-10-15 19:27:08,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:27:08" (3/3) ... [2021-10-15 19:27:08,223 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_2calls_6-1.c [2021-10-15 19:27:08,229 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:27:08,229 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 19:27:08,355 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:27:08,362 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 19:27:08,362 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 19:27:08,371 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: unsupported for concurrent analysis Return at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNet(CFG2NestedWordAutomaton.java:385) 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 19:27:08,405 INFO L168 Benchmark]: Toolchain (without parser) took 978.50 ms. Allocated memory is still 58.7 MB. Free memory was 37.8 MB in the beginning and 40.4 MB in the end (delta: -2.6 MB). Peak memory consumption was 395.0 kB. Max. memory is 16.1 GB. [2021-10-15 19:27:08,406 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 58.7 MB. Free memory was 39.1 MB in the beginning and 39.1 MB in the end (delta: 50.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:27:08,407 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.17 ms. Allocated memory is still 58.7 MB. Free memory was 37.6 MB in the beginning and 42.3 MB in the end (delta: -4.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-15 19:27:08,408 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.19 ms. Allocated memory is still 58.7 MB. Free memory was 42.1 MB in the beginning and 40.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:27:08,409 INFO L168 Benchmark]: Boogie Preprocessor took 62.45 ms. Allocated memory is still 58.7 MB. Free memory was 40.8 MB in the beginning and 39.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:27:08,410 INFO L168 Benchmark]: RCFGBuilder took 411.79 ms. Allocated memory is still 58.7 MB. Free memory was 39.7 MB in the beginning and 29.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:27:08,410 INFO L168 Benchmark]: TraceAbstraction took 202.56 ms. Allocated memory is still 58.7 MB. Free memory was 29.4 MB in the beginning and 40.4 MB in the end (delta: -11.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:27:08,414 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 58.7 MB. Free memory was 39.1 MB in the beginning and 39.1 MB in the end (delta: 50.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 261.17 ms. Allocated memory is still 58.7 MB. Free memory was 37.6 MB in the beginning and 42.3 MB in the end (delta: -4.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 34.19 ms. Allocated memory is still 58.7 MB. Free memory was 42.1 MB in the beginning and 40.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.45 ms. Allocated memory is still 58.7 MB. Free memory was 40.8 MB in the beginning and 39.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 411.79 ms. Allocated memory is still 58.7 MB. Free memory was 39.7 MB in the beginning and 29.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 202.56 ms. Allocated memory is still 58.7 MB. Free memory was 29.4 MB in the beginning and 40.4 MB in the end (delta: -11.0 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 Return de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: unsupported for concurrent analysis Return: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNet(CFG2NestedWordAutomaton.java:385) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-15 19:27:08,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac058941-fb12-479e-8cc0-2910e334c66b/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...