./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_o20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ad84cba-0512-4c0e-9f3c-30894569768f/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ad84cba-0512-4c0e-9f3c-30894569768f/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ad84cba-0512-4c0e-9f3c-30894569768f/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ad84cba-0512-4c0e-9f3c-30894569768f/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_o20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ad84cba-0512-4c0e-9f3c-30894569768f/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ad84cba-0512-4c0e-9f3c-30894569768f/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 78daae7f2fbb1fbd12685beb952877b8686cc8bc3d2c7fcd55d0c5d2b019aa0d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:31:12,626 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:31:12,749 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ad84cba-0512-4c0e-9f3c-30894569768f/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-23 21:31:12,762 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:31:12,763 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:31:12,803 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:31:12,804 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:31:12,805 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:31:12,806 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:31:12,811 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:31:12,811 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:31:12,812 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:31:12,813 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:31:12,814 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:31:12,815 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:31:12,815 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:31:12,816 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:31:12,816 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:31:12,816 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:31:12,817 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:31:12,817 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:31:12,818 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:31:12,819 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:31:12,836 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:31:12,836 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:31:12,837 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:31:12,837 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:31:12,838 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:31:12,838 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:31:12,838 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:31:12,840 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:31:12,840 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 21:31:12,840 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:31:12,841 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:31:12,841 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:31:12,841 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:31:12,842 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:31:12,842 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:31:12,842 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:31:12,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:31:12,843 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:31:12,843 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:31:12,843 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:31:12,843 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:31:12,844 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:31:12,844 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:31:12,845 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:31:12,845 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:31:12,845 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:31:12,845 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_6ad84cba-0512-4c0e-9f3c-30894569768f/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ad84cba-0512-4c0e-9f3c-30894569768f/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78daae7f2fbb1fbd12685beb952877b8686cc8bc3d2c7fcd55d0c5d2b019aa0d [2023-11-23 21:31:13,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:31:13,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:31:13,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:31:13,194 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:31:13,195 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:31:13,196 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ad84cba-0512-4c0e-9f3c-30894569768f/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/recursive-simple/id_o20.c [2023-11-23 21:31:16,359 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:31:16,609 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:31:16,610 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ad84cba-0512-4c0e-9f3c-30894569768f/sv-benchmarks/c/recursive-simple/id_o20.c [2023-11-23 21:31:16,618 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ad84cba-0512-4c0e-9f3c-30894569768f/bin/utaipan-verify-mE87zJ7Ire/data/10b8ace2c/98ce2851a86341d4af12eaa4e9af47c7/FLAG2d79f05c1 [2023-11-23 21:31:16,637 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ad84cba-0512-4c0e-9f3c-30894569768f/bin/utaipan-verify-mE87zJ7Ire/data/10b8ace2c/98ce2851a86341d4af12eaa4e9af47c7 [2023-11-23 21:31:16,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:31:16,645 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:31:16,649 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:31:16,649 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:31:16,655 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:31:16,656 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:31:16" (1/1) ... [2023-11-23 21:31:16,658 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22e377e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:16, skipping insertion in model container [2023-11-23 21:31:16,659 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:31:16" (1/1) ... [2023-11-23 21:31:16,686 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:31:16,825 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:31:16,836 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:31:16,851 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:31:16,866 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:31:16,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:16 WrapperNode [2023-11-23 21:31:16,867 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:31:16,869 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:31:16,869 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:31:16,869 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:31:16,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:16" (1/1) ... [2023-11-23 21:31:16,883 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:16" (1/1) ... [2023-11-23 21:31:16,900 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 20 [2023-11-23 21:31:16,901 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:31:16,902 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:31:16,902 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:31:16,902 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:31:16,911 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:16" (1/1) ... [2023-11-23 21:31:16,912 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:16" (1/1) ... [2023-11-23 21:31:16,913 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:16" (1/1) ... [2023-11-23 21:31:16,913 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:16" (1/1) ... [2023-11-23 21:31:16,916 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:16" (1/1) ... [2023-11-23 21:31:16,917 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:16" (1/1) ... [2023-11-23 21:31:16,918 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:16" (1/1) ... [2023-11-23 21:31:16,919 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:16" (1/1) ... [2023-11-23 21:31:16,921 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:31:16,922 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:31:16,922 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:31:16,922 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:31:16,923 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:16" (1/1) ... [2023-11-23 21:31:16,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:31:16,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ad84cba-0512-4c0e-9f3c-30894569768f/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:31:16,955 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ad84cba-0512-4c0e-9f3c-30894569768f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:31:16,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ad84cba-0512-4c0e-9f3c-30894569768f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:31:16,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:31:16,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:31:16,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:31:16,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:31:16,996 INFO L130 BoogieDeclarations]: Found specification of procedure id [2023-11-23 21:31:16,997 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2023-11-23 21:31:17,055 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:31:17,057 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:31:17,145 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:31:17,182 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:31:17,182 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:31:17,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:31:17 BoogieIcfgContainer [2023-11-23 21:31:17,184 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:31:17,187 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:31:17,187 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:31:17,191 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:31:17,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:31:16" (1/3) ... [2023-11-23 21:31:17,192 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bf08ebd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:31:17, skipping insertion in model container [2023-11-23 21:31:17,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:16" (2/3) ... [2023-11-23 21:31:17,193 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bf08ebd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:31:17, skipping insertion in model container [2023-11-23 21:31:17,193 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:31:17" (3/3) ... [2023-11-23 21:31:17,194 INFO L112 eAbstractionObserver]: Analyzing ICFG id_o20.c [2023-11-23 21:31:17,221 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:31:17,222 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-23 21:31:17,223 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bf08ebd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:31:17, skipping insertion in model container [2023-11-23 21:31:17,223 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:31:17,225 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:31:17,225 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:31:17,225 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:31:17,226 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:31:17" (3/3) ... [2023-11-23 21:31:17,228 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:31:17,231 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2023-11-23 21:31:17,235 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-23 21:31:17,236 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-23 21:31:17,236 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 21:31:17,236 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:31:17,319 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ad84cba-0512-4c0e-9f3c-30894569768f/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:31:17,320 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ad84cba-0512-4c0e-9f3c-30894569768f/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 21:31:17,320 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:31:17,322 INFO L158 Benchmark]: Toolchain (without parser) took 676.22ms. Allocated memory is still 146.8MB. Free memory was 101.9MB in the beginning and 72.5MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-23 21:31:17,322 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 146.8MB. Free memory is still 115.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:31:17,323 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.62ms. Allocated memory is still 146.8MB. Free memory was 101.9MB in the beginning and 91.8MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 21:31:17,323 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.40ms. Allocated memory is still 146.8MB. Free memory was 91.8MB in the beginning and 90.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:31:17,324 INFO L158 Benchmark]: Boogie Preprocessor took 19.62ms. Allocated memory is still 146.8MB. Free memory was 90.4MB in the beginning and 89.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:31:17,325 INFO L158 Benchmark]: RCFGBuilder took 262.28ms. Allocated memory is still 146.8MB. Free memory was 89.3MB in the beginning and 79.3MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 21:31:17,326 INFO L158 Benchmark]: TraceAbstraction took 37.00ms. Allocated memory is still 146.8MB. Free memory was 78.7MB in the beginning and 76.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:31:17,326 INFO L158 Benchmark]: Witness Printer took 95.24ms. Allocated memory is still 146.8MB. Free memory was 76.6MB in the beginning and 72.5MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:31:17,330 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 146.8MB. Free memory is still 115.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 218.62ms. Allocated memory is still 146.8MB. Free memory was 101.9MB in the beginning and 91.8MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.40ms. Allocated memory is still 146.8MB. Free memory was 91.8MB in the beginning and 90.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.62ms. Allocated memory is still 146.8MB. Free memory was 90.4MB in the beginning and 89.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 262.28ms. Allocated memory is still 146.8MB. Free memory was 89.3MB in the beginning and 79.3MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 37.00ms. Allocated memory is still 146.8MB. Free memory was 78.7MB in the beginning and 76.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 95.24ms. Allocated memory is still 146.8MB. Free memory was 76.6MB in the beginning and 72.5MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2023-11-23 21:31:17,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ad84cba-0512-4c0e-9f3c-30894569768f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE