./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/verisec_NetBSD-libc_loop.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/verisec_NetBSD-libc_loop.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dedd0e691082a54e7ab91bc5c89cd5119d7051d93eccccd50f69369896fe2c2c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:55:08,961 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:55:09,085 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-28 04:55:09,091 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:55:09,091 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:55:09,144 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:55:09,146 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:55:09,146 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:55:09,147 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:55:09,147 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:55:09,148 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:55:09,148 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:55:09,148 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:55:09,148 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 04:55:09,148 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 04:55:09,149 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 04:55:09,149 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 04:55:09,149 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 04:55:09,149 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 04:55:09,149 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:55:09,150 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 04:55:09,150 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:55:09,150 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:55:09,150 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:55:09,150 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:55:09,151 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 04:55:09,151 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 04:55:09,151 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 04:55:09,151 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:55:09,151 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:55:09,152 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:55:09,152 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 04:55:09,152 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:55:09,152 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:55:09,152 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:55:09,152 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:55:09,153 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:55:09,153 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 04:55:09,153 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 04:55:09,153 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB 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(F end) ) 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 -> dedd0e691082a54e7ab91bc5c89cd5119d7051d93eccccd50f69369896fe2c2c [2024-11-28 04:55:09,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:55:09,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:55:09,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:55:09,562 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:55:09,562 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:55:09,565 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/loops/verisec_NetBSD-libc_loop.i [2024-11-28 04:55:12,865 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/data/91e5f5b87/130d40cdc44941a2892557887cb0beb1/FLAGbaa8e0385 [2024-11-28 04:55:13,205 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:55:13,206 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/sv-benchmarks/c/loops/verisec_NetBSD-libc_loop.i [2024-11-28 04:55:13,228 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/data/91e5f5b87/130d40cdc44941a2892557887cb0beb1/FLAGbaa8e0385 [2024-11-28 04:55:13,253 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/data/91e5f5b87/130d40cdc44941a2892557887cb0beb1 [2024-11-28 04:55:13,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:55:13,258 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:55:13,259 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:55:13,259 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:55:13,264 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:55:13,264 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:55:13" (1/1) ... [2024-11-28 04:55:13,265 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@798c3ad5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:13, skipping insertion in model container [2024-11-28 04:55:13,266 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:55:13" (1/1) ... [2024-11-28 04:55:13,285 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:55:13,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:55:13,497 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:55:13,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:55:13,533 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:55:13,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:13 WrapperNode [2024-11-28 04:55:13,534 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:55:13,535 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:55:13,535 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:55:13,535 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:55:13,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:13" (1/1) ... [2024-11-28 04:55:13,552 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:13" (1/1) ... [2024-11-28 04:55:13,577 INFO L138 Inliner]: procedures = 16, calls = 13, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 44 [2024-11-28 04:55:13,578 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:55:13,579 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:55:13,579 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:55:13,580 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:55:13,592 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:13" (1/1) ... [2024-11-28 04:55:13,593 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:13" (1/1) ... [2024-11-28 04:55:13,595 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:13" (1/1) ... [2024-11-28 04:55:13,617 INFO L175 MemorySlicer]: Split 3 memory accesses to 2 slices as follows [2, 1]. 67 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2024-11-28 04:55:13,620 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:13" (1/1) ... [2024-11-28 04:55:13,620 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:13" (1/1) ... [2024-11-28 04:55:13,630 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:13" (1/1) ... [2024-11-28 04:55:13,634 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:13" (1/1) ... [2024-11-28 04:55:13,639 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:13" (1/1) ... [2024-11-28 04:55:13,642 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:13" (1/1) ... [2024-11-28 04:55:13,643 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:13" (1/1) ... [2024-11-28 04:55:13,649 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:55:13,650 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:55:13,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:55:13,651 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:55:13,655 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:13" (1/1) ... [2024-11-28 04:55:13,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:13,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:13,707 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:13,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 04:55:13,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:55:13,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:55:13,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 04:55:13,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 04:55:13,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 04:55:13,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 04:55:13,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:55:13,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:55:13,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 04:55:13,838 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:55:13,841 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:55:14,045 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-28 04:55:14,046 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:55:14,060 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:55:14,062 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 04:55:14,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:55:14 BoogieIcfgContainer [2024-11-28 04:55:14,063 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:55:14,064 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 04:55:14,064 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 04:55:14,071 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 04:55:14,072 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:55:14,072 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 04:55:13" (1/3) ... [2024-11-28 04:55:14,074 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1484921b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 04:55:14, skipping insertion in model container [2024-11-28 04:55:14,074 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:55:14,075 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:13" (2/3) ... [2024-11-28 04:55:14,075 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1484921b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 04:55:14, skipping insertion in model container [2024-11-28 04:55:14,077 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:55:14,077 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:55:14" (3/3) ... [2024-11-28 04:55:14,078 INFO L363 chiAutomizerObserver]: Analyzing ICFG verisec_NetBSD-libc_loop.i [2024-11-28 04:55:14,165 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 04:55:14,165 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 04:55:14,165 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 04:55:14,165 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 04:55:14,166 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 04:55:14,166 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 04:55:14,167 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 04:55:14,167 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 04:55:14,175 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 14 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:55:14,196 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-28 04:55:14,196 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:55:14,197 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:55:14,203 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 04:55:14,204 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-28 04:55:14,204 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 04:55:14,205 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 14 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:55:14,206 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-28 04:55:14,206 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:55:14,206 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:55:14,206 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 04:55:14,207 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-28 04:55:14,216 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(27, 2);~tmp~0.base, ~tmp~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret2#1, main_~#pathbuf~0#1.base, main_~#pathbuf~0#1.offset, main_~bound~0#1.base, main_~bound~0#1.offset;call main_~#pathbuf~0#1.base, main_~#pathbuf~0#1.offset := #Ultimate.allocOnStack(8);main_~bound~0#1.base, main_~bound~0#1.offset := main_~#pathbuf~0#1.base, 32 + main_~#pathbuf~0#1.offset - 4;~tmp~0.base, ~tmp~0.offset := main_~#pathbuf~0#1.base, 8 + main_~#pathbuf~0#1.offset - 4;assume { :begin_inline_glob2 } true;glob2_#in~pathbuf#1.base, glob2_#in~pathbuf#1.offset, glob2_#in~pathlim#1.base, glob2_#in~pathlim#1.offset := main_~#pathbuf~0#1.base, main_~#pathbuf~0#1.offset, main_~bound~0#1.base, main_~bound~0#1.offset;havoc glob2_#res#1;havoc glob2_#t~post1#1.base, glob2_#t~post1#1.offset, glob2_~pathbuf#1.base, glob2_~pathbuf#1.offset, glob2_~pathlim#1.base, glob2_~pathlim#1.offset, glob2_~p~0#1.base, glob2_~p~0#1.offset;glob2_~pathbuf#1.base, glob2_~pathbuf#1.offset := glob2_#in~pathbuf#1.base, glob2_#in~pathbuf#1.offset;glob2_~pathlim#1.base, glob2_~pathlim#1.offset := glob2_#in~pathlim#1.base, glob2_#in~pathlim#1.offset;havoc glob2_~p~0#1.base, glob2_~p~0#1.offset;glob2_~p~0#1.base, glob2_~p~0#1.offset := glob2_~pathbuf#1.base, glob2_~pathbuf#1.offset;" [2024-11-28 04:55:14,216 INFO L749 eck$LassoCheckResult]: Loop: "assume glob2_~p~0#1.base == glob2_~pathlim#1.base;" "assume glob2_~p~0#1.offset <= glob2_~pathlim#1.offset;" "assume glob2_~p~0#1.base == ~tmp~0.base;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if glob2_~p~0#1.offset <= ~tmp~0.offset then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1;" "assume !(0 == __VERIFIER_assert_~cond#1);" "havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;call write~int#1(1, glob2_~p~0#1.base, glob2_~p~0#1.offset, 4);glob2_#t~post1#1.base, glob2_#t~post1#1.offset := glob2_~p~0#1.base, glob2_~p~0#1.offset;glob2_~p~0#1.base, glob2_~p~0#1.offset := glob2_#t~post1#1.base, 4 + glob2_#t~post1#1.offset;havoc glob2_#t~post1#1.base, glob2_#t~post1#1.offset;" [2024-11-28 04:55:14,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:55:14,225 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-28 04:55:14,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:55:14,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124091345] [2024-11-28 04:55:14,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:55:14,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:55:14,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:14,395 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:55:14,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:14,449 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:55:14,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:55:14,454 INFO L85 PathProgramCache]: Analyzing trace with hash 34451756, now seen corresponding path program 1 times [2024-11-28 04:55:14,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:55:14,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979287239] [2024-11-28 04:55:14,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:55:14,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:55:14,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:14,485 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:55:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:14,521 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:55:14,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:55:14,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1805891242, now seen corresponding path program 1 times [2024-11-28 04:55:14,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:55:14,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329382490] [2024-11-28 04:55:14,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:55:14,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:55:14,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:14,554 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:55:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:14,591 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:55:15,662 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:55:15,663 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:55:15,663 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:55:15,663 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:55:15,663 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 04:55:15,664 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:15,664 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:55:15,664 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:55:15,664 INFO L132 ssoRankerPreferences]: Filename of dumped script: verisec_NetBSD-libc_loop.i_Iteration1_Lasso [2024-11-28 04:55:15,664 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:55:15,665 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:55:15,689 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:15,727 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:15,733 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:15,736 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:15,740 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:15,744 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:15,749 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:15,754 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:16,246 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:16,735 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:55:16,740 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 04:55:16,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:16,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:16,745 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:16,750 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:55:16,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-28 04:55:16,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:55:16,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:55:16,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:55:16,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:55:16,782 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:55:16,782 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:55:16,791 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:55:16,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-11-28 04:55:16,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:16,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:16,809 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:16,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-28 04:55:16,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:55:16,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:55:16,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:55:16,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:55:16,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:55:16,835 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:55:16,836 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:55:16,842 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:55:16,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-28 04:55:16,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:16,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:16,856 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:16,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-28 04:55:16,862 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:55:16,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:55:16,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:55:16,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:55:16,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:55:16,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:55:16,881 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:55:16,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:55:16,884 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:55:16,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-28 04:55:16,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:16,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:16,899 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:16,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-28 04:55:16,904 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:55:16,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:55:16,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:55:16,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:55:16,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:55:16,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:55:16,925 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:55:16,925 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:55:16,933 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:55:16,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-28 04:55:16,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:16,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:16,950 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:16,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-28 04:55:16,957 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:55:16,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:55:16,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:55:16,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:55:16,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:55:16,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:55:16,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:55:16,978 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:55:16,981 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:55:16,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-28 04:55:16,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:16,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:16,996 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:17,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-28 04:55:17,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:55:17,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:55:17,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:55:17,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:55:17,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:55:17,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:55:17,023 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:55:17,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:55:17,026 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:55:17,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-28 04:55:17,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:17,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:17,041 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:17,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-28 04:55:17,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:55:17,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:55:17,065 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:55:17,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:55:17,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:55:17,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:55:17,071 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:55:17,071 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:55:17,075 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:55:17,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-28 04:55:17,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:17,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:17,092 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:17,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-28 04:55:17,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:55:17,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:55:17,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:55:17,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:55:17,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:55:17,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:55:17,118 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:55:17,118 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:55:17,120 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:55:17,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-28 04:55:17,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:17,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:17,135 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:17,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-28 04:55:17,141 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:55:17,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:55:17,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:55:17,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:55:17,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:55:17,162 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:55:17,163 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:55:17,169 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:55:17,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-28 04:55:17,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:17,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:17,184 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:17,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-28 04:55:17,189 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:55:17,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:55:17,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:55:17,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:55:17,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:55:17,223 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:55:17,223 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:55:17,244 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 04:55:17,311 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2024-11-28 04:55:17,315 INFO L444 ModelExtractionUtils]: 1 out of 19 variables were initially zero. Simplification set additionally 13 variables to zero. [2024-11-28 04:55:17,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:17,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:17,320 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:17,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-28 04:55:17,325 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 04:55:17,348 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-28 04:55:17,349 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 04:55:17,349 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_glob2_~pathlim#1.offset, ULTIMATE.start_glob2_~p~0#1.offset) = 2*ULTIMATE.start_glob2_~pathlim#1.offset - 1*ULTIMATE.start_glob2_~p~0#1.offset Supporting invariants [1*ULTIMATE.start_glob2_~pathlim#1.offset - 1 >= 0] [2024-11-28 04:55:17,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-28 04:55:17,412 INFO L156 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2024-11-28 04:55:17,423 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~p~0!offset [2024-11-28 04:55:17,425 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~pathlim!offset [2024-11-28 04:55:17,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:55:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:55:17,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:55:17,497 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:55:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:55:17,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:55:17,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:55:17,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:55:17,629 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-28 04:55:17,632 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 14 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:55:17,711 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 14 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 34 states and 42 transitions. Complement of second has 8 states. [2024-11-28 04:55:17,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-28 04:55:17,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:55:17,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2024-11-28 04:55:17,738 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 2 letters. Loop has 5 letters. [2024-11-28 04:55:17,739 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:55:17,739 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 7 letters. Loop has 5 letters. [2024-11-28 04:55:17,739 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:55:17,740 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 2 letters. Loop has 10 letters. [2024-11-28 04:55:17,740 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:55:17,741 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 42 transitions. [2024-11-28 04:55:17,744 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 04:55:17,748 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 0 states and 0 transitions. [2024-11-28 04:55:17,749 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-28 04:55:17,749 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-28 04:55:17,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-28 04:55:17,750 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 04:55:17,750 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 04:55:17,750 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 04:55:17,753 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 04:55:17,753 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 04:55:17,753 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-28 04:55:17,754 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 04:55:17,754 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-28 04:55:17,763 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 04:55:17 BoogieIcfgContainer [2024-11-28 04:55:17,764 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 04:55:17,769 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:55:17,769 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:55:17,769 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:55:17,773 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:55:14" (3/4) ... [2024-11-28 04:55:17,776 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 04:55:17,777 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:55:17,778 INFO L158 Benchmark]: Toolchain (without parser) took 4520.41ms. Allocated memory is still 117.4MB. Free memory was 94.9MB in the beginning and 41.2MB in the end (delta: 53.7MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. [2024-11-28 04:55:17,778 INFO L158 Benchmark]: CDTParser took 0.91ms. Allocated memory is still 142.6MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:55:17,779 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.85ms. Allocated memory is still 117.4MB. Free memory was 94.9MB in the beginning and 84.3MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:55:17,779 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.91ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 83.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:55:17,780 INFO L158 Benchmark]: Boogie Preprocessor took 70.07ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 81.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:55:17,780 INFO L158 Benchmark]: RCFGBuilder took 412.92ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 71.0MB in the end (delta: 10.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:55:17,780 INFO L158 Benchmark]: BuchiAutomizer took 3704.13ms. Allocated memory is still 117.4MB. Free memory was 70.7MB in the beginning and 42.0MB in the end (delta: 28.7MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2024-11-28 04:55:17,781 INFO L158 Benchmark]: Witness Printer took 8.49ms. Allocated memory is still 117.4MB. Free memory was 42.0MB in the beginning and 41.2MB in the end (delta: 795.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:55:17,786 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91ms. Allocated memory is still 142.6MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.85ms. Allocated memory is still 117.4MB. Free memory was 94.9MB in the beginning and 84.3MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.91ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 83.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 70.07ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 81.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 412.92ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 71.0MB in the end (delta: 10.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 3704.13ms. Allocated memory is still 117.4MB. Free memory was 70.7MB in the beginning and 42.0MB in the end (delta: 28.7MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * Witness Printer took 8.49ms. Allocated memory is still 117.4MB. Free memory was 42.0MB in the beginning and 41.2MB in the end (delta: 795.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~p~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~pathlim!offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 6 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital130 mio100 ax100 hnf100 lsp89 ukn100 mio100 lsp36 div100 bol100 ite100 ukn100 eq180 hnf89 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 49ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-28 04:55:17,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-28 04:55:18,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6873bbbd-3587-4b54-8e40-fe47f65cf4eb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (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