./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/parity.i --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_1297c9eb-65a5-4324-9fd0-72be1df19659/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1297c9eb-65a5-4324-9fd0-72be1df19659/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_1297c9eb-65a5-4324-9fd0-72be1df19659/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1297c9eb-65a5-4324-9fd0-72be1df19659/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/parity.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1297c9eb-65a5-4324-9fd0-72be1df19659/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_1297c9eb-65a5-4324-9fd0-72be1df19659/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 d7c1c6c2f4d5b2d24ba57b817b67aabcbf492bd9ab5f9a13bcbf3c0241dcb4b3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:18:17,693 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:18:17,767 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1297c9eb-65a5-4324-9fd0-72be1df19659/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-23 21:18:17,774 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:18:17,774 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:18:17,804 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:18:17,807 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:18:17,808 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:18:17,809 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:18:17,814 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:18:17,815 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:18:17,816 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:18:17,817 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:18:17,819 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:18:17,819 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:18:17,820 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:18:17,820 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:18:17,821 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:18:17,821 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:18:17,822 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:18:17,822 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:18:17,823 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:18:17,824 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:18:17,826 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:18:17,827 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:18:17,827 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:18:17,828 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:18:17,828 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:18:17,829 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:18:17,829 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:18:17,830 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:18:17,831 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 21:18:17,831 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:18:17,831 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:18:17,832 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:18:17,832 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:18:17,832 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:18:17,832 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:18:17,833 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:18:17,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:18:17,833 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:18:17,834 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:18:17,834 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:18:17,834 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:18:17,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:18:17,835 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:18:17,835 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:18:17,836 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:18:17,836 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:18:17,836 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_1297c9eb-65a5-4324-9fd0-72be1df19659/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1297c9eb-65a5-4324-9fd0-72be1df19659/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7c1c6c2f4d5b2d24ba57b817b67aabcbf492bd9ab5f9a13bcbf3c0241dcb4b3 [2023-11-23 21:18:18,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:18:18,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:18:18,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:18:18,194 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:18:18,194 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:18:18,196 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1297c9eb-65a5-4324-9fd0-72be1df19659/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/bitvector/parity.i [2023-11-23 21:18:21,388 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:18:21,620 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:18:21,620 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1297c9eb-65a5-4324-9fd0-72be1df19659/sv-benchmarks/c/bitvector/parity.i [2023-11-23 21:18:21,628 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1297c9eb-65a5-4324-9fd0-72be1df19659/bin/utaipan-verify-mE87zJ7Ire/data/540340da6/14e040dafc5743c0b8f8190455964c88/FLAGcb3f708da [2023-11-23 21:18:21,646 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1297c9eb-65a5-4324-9fd0-72be1df19659/bin/utaipan-verify-mE87zJ7Ire/data/540340da6/14e040dafc5743c0b8f8190455964c88 [2023-11-23 21:18:21,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:18:21,650 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:18:21,652 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:18:21,652 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:18:21,658 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:18:21,658 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:21" (1/1) ... [2023-11-23 21:18:21,659 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b383d75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:21, skipping insertion in model container [2023-11-23 21:18:21,659 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:21" (1/1) ... [2023-11-23 21:18:21,686 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:18:21,933 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:18:21,947 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:18:21,997 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:18:22,021 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:18:22,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:22 WrapperNode [2023-11-23 21:18:22,022 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:18:22,023 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:18:22,024 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:18:22,024 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:18:22,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:22" (1/1) ... [2023-11-23 21:18:22,042 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:22" (1/1) ... [2023-11-23 21:18:22,073 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2023-11-23 21:18:22,074 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:18:22,075 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:18:22,075 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:18:22,075 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:18:22,086 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:22" (1/1) ... [2023-11-23 21:18:22,087 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:22" (1/1) ... [2023-11-23 21:18:22,098 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:22" (1/1) ... [2023-11-23 21:18:22,099 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:22" (1/1) ... [2023-11-23 21:18:22,108 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:22" (1/1) ... [2023-11-23 21:18:22,116 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:22" (1/1) ... [2023-11-23 21:18:22,118 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:22" (1/1) ... [2023-11-23 21:18:22,120 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:22" (1/1) ... [2023-11-23 21:18:22,122 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:18:22,128 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:18:22,129 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:18:22,129 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:18:22,130 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:22" (1/1) ... [2023-11-23 21:18:22,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:18:22,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1297c9eb-65a5-4324-9fd0-72be1df19659/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:18:22,171 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1297c9eb-65a5-4324-9fd0-72be1df19659/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:18:22,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1297c9eb-65a5-4324-9fd0-72be1df19659/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:18:22,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:18:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:18:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:18:22,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:18:22,311 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:18:22,318 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:18:22,582 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:18:22,887 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:18:22,887 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:18:22,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:22 BoogieIcfgContainer [2023-11-23 21:18:22,901 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:18:22,903 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:18:22,903 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:18:22,906 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:18:22,906 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:18:21" (1/3) ... [2023-11-23 21:18:22,907 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d8dbab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:18:22, skipping insertion in model container [2023-11-23 21:18:22,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:22" (2/3) ... [2023-11-23 21:18:22,908 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d8dbab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:18:22, skipping insertion in model container [2023-11-23 21:18:22,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:22" (3/3) ... [2023-11-23 21:18:22,910 INFO L112 eAbstractionObserver]: Analyzing ICFG parity.i [2023-11-23 21:18:22,933 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:18:22,933 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-23 21:18:22,935 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d8dbab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:18:22, skipping insertion in model container [2023-11-23 21:18:22,935 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:18:22,936 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:18:22,936 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:18:22,937 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:18:22,937 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:22" (3/3) ... [2023-11-23 21:18:22,940 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:18:22,967 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2023-11-23 21:18:22,967 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-23 21:18:22,968 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 21:18:22,968 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:18:23,113 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1297c9eb-65a5-4324-9fd0-72be1df19659/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:18:23,115 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1297c9eb-65a5-4324-9fd0-72be1df19659/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 21:18:23,116 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:18:23,118 INFO L158 Benchmark]: Toolchain (without parser) took 1466.65ms. Allocated memory was 146.8MB in the beginning and 192.9MB in the end (delta: 46.1MB). Free memory was 107.5MB in the beginning and 160.1MB in the end (delta: -52.6MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2023-11-23 21:18:23,121 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 146.8MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:18:23,122 INFO L158 Benchmark]: CACSL2BoogieTranslator took 370.57ms. Allocated memory is still 146.8MB. Free memory was 107.5MB in the beginning and 97.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 21:18:23,122 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.89ms. Allocated memory is still 146.8MB. Free memory was 97.0MB in the beginning and 95.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:18:23,123 INFO L158 Benchmark]: Boogie Preprocessor took 52.47ms. Allocated memory is still 146.8MB. Free memory was 95.3MB in the beginning and 94.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:18:23,123 INFO L158 Benchmark]: RCFGBuilder took 772.55ms. Allocated memory is still 146.8MB. Free memory was 94.1MB in the beginning and 62.7MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-23 21:18:23,124 INFO L158 Benchmark]: TraceAbstraction took 32.33ms. Allocated memory is still 146.8MB. Free memory was 62.3MB in the beginning and 60.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:18:23,125 INFO L158 Benchmark]: Witness Printer took 179.94ms. Allocated memory was 146.8MB in the beginning and 192.9MB in the end (delta: 46.1MB). Free memory was 60.1MB in the beginning and 160.1MB in the end (delta: -100.0MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2023-11-23 21:18:23,131 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 146.8MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 370.57ms. Allocated memory is still 146.8MB. Free memory was 107.5MB in the beginning and 97.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.89ms. Allocated memory is still 146.8MB. Free memory was 97.0MB in the beginning and 95.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 52.47ms. Allocated memory is still 146.8MB. Free memory was 95.3MB in the beginning and 94.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 772.55ms. Allocated memory is still 146.8MB. Free memory was 94.1MB in the beginning and 62.7MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 32.33ms. Allocated memory is still 146.8MB. Free memory was 62.3MB in the beginning and 60.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 179.94ms. Allocated memory was 146.8MB in the beginning and 192.9MB in the end (delta: 46.1MB). Free memory was 60.1MB in the beginning and 160.1MB in the end (delta: -100.0MB). Peak memory consumption was 11.8MB. 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 21:18:23,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1297c9eb-65a5-4324-9fd0-72be1df19659/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE