./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-invariants/mod4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a 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_cf6c2a5a-434f-4a1e-8dc1-fcb8f968dc1d/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf6c2a5a-434f-4a1e-8dc1-fcb8f968dc1d/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf6c2a5a-434f-4a1e-8dc1-fcb8f968dc1d/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf6c2a5a-434f-4a1e-8dc1-fcb8f968dc1d/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-invariants/mod4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf6c2a5a-434f-4a1e-8dc1-fcb8f968dc1d/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf6c2a5a-434f-4a1e-8dc1-fcb8f968dc1d/bin/uautomizer-verify-4GaUIPS5ZU --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 64b66af70d4f49939ba3192d7cc9b9b1fa8ae6dc1d14cbdfbbce4a0ddc403713 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:12:48,606 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:12:48,698 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf6c2a5a-434f-4a1e-8dc1-fcb8f968dc1d/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-31 22:12:48,705 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:12:48,706 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:12:48,754 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:12:48,756 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:12:48,757 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:12:48,758 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:12:48,759 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:12:48,759 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:12:48,760 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:12:48,761 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:12:48,763 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:12:48,763 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:12:48,764 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:12:48,764 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:12:48,765 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:12:48,765 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:12:48,765 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:12:48,766 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:12:48,768 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:12:48,771 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:12:48,771 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:12:48,772 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:12:48,772 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:12:48,772 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:12:48,773 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:12:48,773 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:12:48,773 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:12:48,774 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:12:48,775 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:12:48,776 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:12:48,777 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:12:48,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:12:48,777 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:12:48,778 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:12:48,778 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:12:48,778 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:12:48,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:12:48,779 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:12:48,780 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:12:48,780 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:12:48,781 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:12:48,781 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_cf6c2a5a-434f-4a1e-8dc1-fcb8f968dc1d/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf6c2a5a-434f-4a1e-8dc1-fcb8f968dc1d/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64b66af70d4f49939ba3192d7cc9b9b1fa8ae6dc1d14cbdfbbce4a0ddc403713 [2024-10-31 22:12:49,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:12:49,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:12:49,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:12:49,238 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:12:49,239 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:12:49,240 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf6c2a5a-434f-4a1e-8dc1-fcb8f968dc1d/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/loop-invariants/mod4.c Unable to find full path for "g++" [2024-10-31 22:12:51,449 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:12:51,702 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:12:51,703 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf6c2a5a-434f-4a1e-8dc1-fcb8f968dc1d/sv-benchmarks/c/loop-invariants/mod4.c [2024-10-31 22:12:51,712 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf6c2a5a-434f-4a1e-8dc1-fcb8f968dc1d/bin/uautomizer-verify-4GaUIPS5ZU/data/edb9f5d55/3100a563bbf04f7dae2b15df800bcc65/FLAGf50e68ecf [2024-10-31 22:12:51,738 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf6c2a5a-434f-4a1e-8dc1-fcb8f968dc1d/bin/uautomizer-verify-4GaUIPS5ZU/data/edb9f5d55/3100a563bbf04f7dae2b15df800bcc65 [2024-10-31 22:12:51,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:12:51,743 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:12:51,745 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:12:51,745 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:12:51,754 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:12:51,754 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:12:51" (1/1) ... [2024-10-31 22:12:51,756 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b4e26ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:51, skipping insertion in model container [2024-10-31 22:12:51,756 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:12:51" (1/1) ... [2024-10-31 22:12:51,782 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:12:52,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:12:52,185 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:12:52,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:12:52,225 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:12:52,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:52 WrapperNode [2024-10-31 22:12:52,226 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:12:52,228 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:12:52,228 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:12:52,228 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:12:52,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:52" (1/1) ... [2024-10-31 22:12:52,244 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:52" (1/1) ... [2024-10-31 22:12:52,264 INFO L138 Inliner]: procedures = 13, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 36 [2024-10-31 22:12:52,264 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:12:52,264 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:12:52,265 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:12:52,265 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:12:52,276 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:52" (1/1) ... [2024-10-31 22:12:52,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:52" (1/1) ... [2024-10-31 22:12:52,277 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:52" (1/1) ... [2024-10-31 22:12:52,287 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2024-10-31 22:12:52,287 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:52" (1/1) ... [2024-10-31 22:12:52,287 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:52" (1/1) ... [2024-10-31 22:12:52,291 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:52" (1/1) ... [2024-10-31 22:12:52,294 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:52" (1/1) ... [2024-10-31 22:12:52,295 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:52" (1/1) ... [2024-10-31 22:12:52,296 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:52" (1/1) ... [2024-10-31 22:12:52,297 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:12:52,298 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:12:52,298 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:12:52,299 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:12:52,300 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:52" (1/1) ... [2024-10-31 22:12:52,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:12:52,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf6c2a5a-434f-4a1e-8dc1-fcb8f968dc1d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:52,339 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf6c2a5a-434f-4a1e-8dc1-fcb8f968dc1d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:12:52,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf6c2a5a-434f-4a1e-8dc1-fcb8f968dc1d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:12:52,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:12:52,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:12:52,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:12:52,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:12:52,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:12:52,481 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:12:52,487 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:12:52,699 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-10-31 22:12:52,701 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:12:52,722 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:12:52,722 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:12:52,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:12:52 BoogieIcfgContainer [2024-10-31 22:12:52,724 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:12:52,730 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:12:52,730 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:12:52,734 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:12:52,735 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:12:51" (1/3) ... [2024-10-31 22:12:52,736 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20397fbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:12:52, skipping insertion in model container [2024-10-31 22:12:52,736 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:52" (2/3) ... [2024-10-31 22:12:52,737 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20397fbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:12:52, skipping insertion in model container [2024-10-31 22:12:52,737 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:12:52" (3/3) ... [2024-10-31 22:12:52,738 INFO L112 eAbstractionObserver]: Analyzing ICFG mod4.c [2024-10-31 22:12:52,758 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:12:52,759 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2024-10-31 22:12:52,761 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20397fbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:12:52, skipping insertion in model container [2024-10-31 22:12:52,762 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:12:52,763 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:12:52,763 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:12:52,763 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:12:52,764 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:12:52" (3/3) ... [2024-10-31 22:12:52,768 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-10-31 22:12:52,779 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-10-31 22:12:52,780 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-10-31 22:12:52,780 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-31 22:12:52,780 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-31 22:12:52,780 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-31 22:12:52,879 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf6c2a5a-434f-4a1e-8dc1-fcb8f968dc1d/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 22:12:52,879 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf6c2a5a-434f-4a1e-8dc1-fcb8f968dc1d/bin/uautomizer-verify-4GaUIPS5ZU/witness.yml [2024-10-31 22:12:52,879 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:12:52,881 INFO L158 Benchmark]: Toolchain (without parser) took 1137.68ms. Allocated memory is still 165.7MB. Free memory was 130.9MB in the beginning and 110.7MB in the end (delta: 20.2MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2024-10-31 22:12:52,882 INFO L158 Benchmark]: CDTParser took 1.58ms. Allocated memory is still 111.1MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:12:52,882 INFO L158 Benchmark]: CACSL2BoogieTranslator took 482.17ms. Allocated memory is still 165.7MB. Free memory was 130.9MB in the beginning and 132.1MB in the end (delta: -1.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-31 22:12:52,883 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.44ms. Allocated memory is still 165.7MB. Free memory was 131.7MB in the beginning and 130.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:12:52,884 INFO L158 Benchmark]: Boogie Preprocessor took 33.08ms. Allocated memory is still 165.7MB. Free memory was 130.5MB in the beginning and 129.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:12:52,884 INFO L158 Benchmark]: RCFGBuilder took 425.69ms. Allocated memory is still 165.7MB. Free memory was 128.5MB in the beginning and 117.5MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-31 22:12:52,885 INFO L158 Benchmark]: TraceAbstraction took 32.18ms. Allocated memory is still 165.7MB. Free memory was 116.4MB in the beginning and 114.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:12:52,886 INFO L158 Benchmark]: Witness Printer took 117.08ms. Allocated memory is still 165.7MB. Free memory was 114.9MB in the beginning and 110.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:12:52,889 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.58ms. Allocated memory is still 111.1MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 482.17ms. Allocated memory is still 165.7MB. Free memory was 130.9MB in the beginning and 132.1MB in the end (delta: -1.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.44ms. Allocated memory is still 165.7MB. Free memory was 131.7MB in the beginning and 130.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.08ms. Allocated memory is still 165.7MB. Free memory was 130.5MB in the beginning and 129.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 425.69ms. Allocated memory is still 165.7MB. Free memory was 128.5MB in the beginning and 117.5MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 32.18ms. Allocated memory is still 165.7MB. Free memory was 116.4MB in the beginning and 114.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 117.08ms. Allocated memory is still 165.7MB. Free memory was 114.9MB in the beginning and 110.7MB in the end (delta: 4.2MB). 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! [2024-10-31 22:12:52,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf6c2a5a-434f-4a1e-8dc1-fcb8f968dc1d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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