./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/atoll-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination 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_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/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_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/atoll-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU --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 64bit --witnessprinter.graph.data.programhash 7d3c2d71fc4aa9769f2c9c949880efa0eb54785a07e1eefaf23798ae054e2d47 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:58:33,107 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:58:33,205 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-31 21:58:33,212 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:58:33,214 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:58:33,259 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:58:33,260 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:58:33,260 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:58:33,261 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:58:33,261 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:58:33,262 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:58:33,262 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:58:33,263 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:58:33,265 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 21:58:33,266 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 21:58:33,266 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 21:58:33,267 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 21:58:33,270 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 21:58:33,270 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 21:58:33,271 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:58:33,271 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 21:58:33,272 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:58:33,272 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:58:33,273 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 21:58:33,273 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 21:58:33,273 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 21:58:33,274 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:58:33,274 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 21:58:33,274 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:58:33,275 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 21:58:33,275 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:58:33,275 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:58:33,279 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:58:33,280 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:58:33,280 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:58:33,281 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 21:58:33,282 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_283fffd8-b734-4664-8133-4ba3f4fa3cb5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d3c2d71fc4aa9769f2c9c949880efa0eb54785a07e1eefaf23798ae054e2d47 [2024-10-31 21:58:33,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:58:33,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:58:33,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:58:33,660 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:58:33,661 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:58:33,662 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/termination-dietlibc/atoll-2.i Unable to find full path for "g++" [2024-10-31 21:58:35,876 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:58:36,280 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:58:36,281 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/sv-benchmarks/c/termination-dietlibc/atoll-2.i [2024-10-31 21:58:36,299 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/data/63cf09d46/616a9d3dcc544d7b9712bef154c55215/FLAGd2a923383 [2024-10-31 21:58:36,460 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/data/63cf09d46/616a9d3dcc544d7b9712bef154c55215 [2024-10-31 21:58:36,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:58:36,465 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:58:36,468 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:58:36,469 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:58:36,476 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:58:36,479 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:58:36" (1/1) ... [2024-10-31 21:58:36,481 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dd06d78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:36, skipping insertion in model container [2024-10-31 21:58:36,481 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:58:36" (1/1) ... [2024-10-31 21:58:36,528 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:58:36,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:58:36,995 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:58:37,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:58:37,076 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:58:37,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:37 WrapperNode [2024-10-31 21:58:37,077 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:58:37,078 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:58:37,078 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:58:37,078 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:58:37,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:37" (1/1) ... [2024-10-31 21:58:37,106 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:37" (1/1) ... [2024-10-31 21:58:37,133 INFO L138 Inliner]: procedures = 112, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 84 [2024-10-31 21:58:37,134 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:58:37,134 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:58:37,135 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:58:37,135 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:58:37,145 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:37" (1/1) ... [2024-10-31 21:58:37,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:37" (1/1) ... [2024-10-31 21:58:37,148 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:37" (1/1) ... [2024-10-31 21:58:37,161 INFO L175 MemorySlicer]: Split 7 memory accesses to 1 slices as follows [7]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2]. [2024-10-31 21:58:37,162 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:37" (1/1) ... [2024-10-31 21:58:37,162 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:37" (1/1) ... [2024-10-31 21:58:37,171 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:37" (1/1) ... [2024-10-31 21:58:37,175 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:37" (1/1) ... [2024-10-31 21:58:37,177 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:37" (1/1) ... [2024-10-31 21:58:37,178 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:37" (1/1) ... [2024-10-31 21:58:37,180 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:58:37,181 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:58:37,181 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:58:37,181 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:58:37,182 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:37" (1/1) ... [2024-10-31 21:58:37,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:37,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:37,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:37,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-31 21:58:37,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 21:58:37,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 21:58:37,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 21:58:37,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 21:58:37,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:58:37,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:58:37,338 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:58:37,340 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:58:37,577 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-10-31 21:58:37,577 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:58:37,588 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:58:37,589 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-31 21:58:37,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:58:37 BoogieIcfgContainer [2024-10-31 21:58:37,589 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:58:37,590 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-31 21:58:37,591 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-31 21:58:37,595 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-31 21:58:37,596 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 21:58:37,596 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.10 09:58:36" (1/3) ... [2024-10-31 21:58:37,597 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c7b00d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 09:58:37, skipping insertion in model container [2024-10-31 21:58:37,597 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 21:58:37,598 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:37" (2/3) ... [2024-10-31 21:58:37,598 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c7b00d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 09:58:37, skipping insertion in model container [2024-10-31 21:58:37,598 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 21:58:37,598 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:58:37" (3/3) ... [2024-10-31 21:58:37,600 INFO L332 chiAutomizerObserver]: Analyzing ICFG atoll-2.i [2024-10-31 21:58:37,652 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-31 21:58:37,652 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-31 21:58:37,653 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-31 21:58:37,653 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-31 21:58:37,653 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-31 21:58:37,653 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-31 21:58:37,653 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-31 21:58:37,653 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-31 21:58:37,658 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 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) [2024-10-31 21:58:37,676 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2024-10-31 21:58:37,676 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:58:37,677 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:58:37,683 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-31 21:58:37,684 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 21:58:37,684 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-31 21:58:37,684 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 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) [2024-10-31 21:58:37,686 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2024-10-31 21:58:37,686 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:58:37,686 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:58:37,688 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-31 21:58:37,688 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 21:58:37,695 INFO L745 eck$LassoCheckResult]: Stem: 17#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet14#1, main_#t~post15#1, main_~i~0#1, main_#t~ret16#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;havoc main_#t~nondet12#1;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 9#L521true assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 10#L523-3true [2024-10-31 21:58:37,695 INFO L747 eck$LassoCheckResult]: Loop: 10#L523-3true assume !!(main_~i~0#1 < main_~in_len~0#1);havoc main_#t~nondet14#1;call write~int#0((if main_#t~nondet14#1 % 256 <= 127 then main_#t~nondet14#1 % 256 else main_#t~nondet14#1 % 256 - 256), main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet14#1; 15#L523-2true main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 10#L523-3true [2024-10-31 21:58:37,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:37,700 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2024-10-31 21:58:37,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:37,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529478811] [2024-10-31 21:58:37,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:37,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:37,814 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:37,851 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:37,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:37,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1443, now seen corresponding path program 1 times [2024-10-31 21:58:37,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:37,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271473694] [2024-10-31 21:58:37,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:37,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:37,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:37,871 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:37,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:37,884 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:37,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:37,886 INFO L85 PathProgramCache]: Analyzing trace with hash 28695942, now seen corresponding path program 1 times [2024-10-31 21:58:37,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:37,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657789870] [2024-10-31 21:58:37,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:37,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:37,919 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:37,943 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:38,445 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:58:38,447 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:58:38,447 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:58:38,447 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:58:38,447 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:58:38,448 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:38,448 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:58:38,448 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:58:38,448 INFO L132 ssoRankerPreferences]: Filename of dumped script: atoll-2.i_Iteration1_Lasso [2024-10-31 21:58:38,448 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:58:38,448 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:58:38,472 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:38,483 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:38,759 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:38,763 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:38,768 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:38,771 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:38,774 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:39,149 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:58:39,154 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:58:39,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:39,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:39,160 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:39,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-31 21:58:39,163 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 [2024-10-31 21:58:39,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:39,178 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:39,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:39,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:39,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:39,181 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:39,182 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:39,185 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:39,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:39,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:39,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:39,210 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:39,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-31 21:58:39,215 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 [2024-10-31 21:58:39,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:39,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:39,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:39,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:39,237 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:58:39,237 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:58:39,250 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:39,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-10-31 21:58:39,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:39,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:39,271 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:39,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-31 21:58:39,276 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 [2024-10-31 21:58:39,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:39,290 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:39,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:39,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:39,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:39,292 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:39,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:39,296 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:39,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-10-31 21:58:39,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:39,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:39,318 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:39,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-31 21:58:39,321 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 [2024-10-31 21:58:39,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:39,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:39,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:39,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:39,342 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:58:39,342 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:58:39,350 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:39,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:39,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:39,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:39,371 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:39,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-31 21:58:39,376 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 [2024-10-31 21:58:39,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:39,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:39,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:39,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:39,405 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:58:39,408 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:58:39,423 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:58:39,459 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2024-10-31 21:58:39,459 INFO L444 ModelExtractionUtils]: 1 out of 19 variables were initially zero. Simplification set additionally 15 variables to zero. [2024-10-31 21:58:39,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:39,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:39,464 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:39,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-31 21:58:39,470 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:58:39,485 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 21:58:39,486 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:58:39,486 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~in_len~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~in_len~0#1 Supporting invariants [] [2024-10-31 21:58:39,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-10-31 21:58:39,522 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2024-10-31 21:58:39,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:39,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:39,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 21:58:39,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:39,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 21:58:39,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:39,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:39,649 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 [2024-10-31 21:58:39,651 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 21 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 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 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-10-31 21:58:39,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-10-31 21:58:39,761 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 21 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 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 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 42 states and 59 transitions. Complement of second has 6 states. [2024-10-31 21:58:39,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 21:58:39,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-10-31 21:58:39,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 31 transitions. [2024-10-31 21:58:39,773 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 3 letters. Loop has 2 letters. [2024-10-31 21:58:39,774 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:39,774 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 5 letters. Loop has 2 letters. [2024-10-31 21:58:39,775 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:39,775 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 3 letters. Loop has 4 letters. [2024-10-31 21:58:39,775 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:39,776 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 59 transitions. [2024-10-31 21:58:39,780 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2024-10-31 21:58:39,786 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 17 states and 24 transitions. [2024-10-31 21:58:39,788 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-10-31 21:58:39,788 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2024-10-31 21:58:39,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 24 transitions. [2024-10-31 21:58:39,789 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 21:58:39,789 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 24 transitions. [2024-10-31 21:58:39,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 24 transitions. [2024-10-31 21:58:39,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-10-31 21:58:39,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.411764705882353) internal successors, (24), 16 states have internal predecessors, (24), 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) [2024-10-31 21:58:39,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 24 transitions. [2024-10-31 21:58:39,818 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 24 transitions. [2024-10-31 21:58:39,818 INFO L425 stractBuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2024-10-31 21:58:39,819 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-31 21:58:39,819 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 24 transitions. [2024-10-31 21:58:39,820 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2024-10-31 21:58:39,821 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:58:39,821 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:58:39,821 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-10-31 21:58:39,821 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 21:58:39,822 INFO L745 eck$LassoCheckResult]: Stem: 129#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 120#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet14#1, main_#t~post15#1, main_~i~0#1, main_#t~ret16#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;havoc main_#t~nondet12#1;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 121#L521 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 122#L523-3 assume !(main_~i~0#1 < main_~in_len~0#1); 114#L523-4 havoc main_~i~0#1;call write~int#0(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_atoll } true;atoll_#in~s#1.base, atoll_#in~s#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc atoll_#res#1;havoc atoll_#t~mem2#1, atoll_#t~pre3#1.base, atoll_#t~pre3#1.offset, atoll_#t~mem4#1, atoll_#t~switch5#1, atoll_#t~pre6#1.base, atoll_#t~pre6#1.offset, atoll_#t~mem7#1, atoll_#t~mem8#1, atoll_#t~short9#1, atoll_#t~mem10#1, atoll_#t~pre11#1.base, atoll_#t~pre11#1.offset, atoll_~s#1.base, atoll_~s#1.offset, atoll_~v~0#1, atoll_~sign~0#1;atoll_~s#1.base, atoll_~s#1.offset := atoll_#in~s#1.base, atoll_#in~s#1.offset;atoll_~v~0#1 := 0;atoll_~sign~0#1 := 1; 115#L509-3 [2024-10-31 21:58:39,822 INFO L747 eck$LassoCheckResult]: Loop: 115#L509-3 call atoll_#t~mem2#1 := read~int#0(atoll_~s#1.base, atoll_~s#1.offset, 1); 128#L509-1 assume !!(32 == atoll_#t~mem2#1);havoc atoll_#t~mem2#1;atoll_#t~pre3#1.base, atoll_#t~pre3#1.offset := atoll_~s#1.base, 1 + atoll_~s#1.offset;atoll_~s#1.base, atoll_~s#1.offset := atoll_~s#1.base, 1 + atoll_~s#1.offset; 115#L509-3 [2024-10-31 21:58:39,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:39,825 INFO L85 PathProgramCache]: Analyzing trace with hash 28695884, now seen corresponding path program 1 times [2024-10-31 21:58:39,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:39,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106254736] [2024-10-31 21:58:39,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:39,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:39,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:39,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:39,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106254736] [2024-10-31 21:58:39,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106254736] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:39,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:39,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:58:39,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323697497] [2024-10-31 21:58:39,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:39,988 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 21:58:39,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:39,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1798, now seen corresponding path program 1 times [2024-10-31 21:58:39,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:39,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677933745] [2024-10-31 21:58:39,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:39,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:40,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:40,002 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:40,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:40,016 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:40,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:40,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:58:40,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:58:40,089 INFO L87 Difference]: Start difference. First operand 17 states and 24 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-10-31 21:58:40,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:40,111 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-10-31 21:58:40,111 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2024-10-31 21:58:40,112 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2024-10-31 21:58:40,112 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 23 transitions. [2024-10-31 21:58:40,112 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2024-10-31 21:58:40,113 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2024-10-31 21:58:40,113 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 23 transitions. [2024-10-31 21:58:40,113 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 21:58:40,113 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2024-10-31 21:58:40,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 23 transitions. [2024-10-31 21:58:40,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2024-10-31 21:58:40,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 states have internal predecessors, (22), 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) [2024-10-31 21:58:40,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2024-10-31 21:58:40,116 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 22 transitions. [2024-10-31 21:58:40,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:58:40,117 INFO L425 stractBuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2024-10-31 21:58:40,117 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-31 21:58:40,117 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. [2024-10-31 21:58:40,118 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2024-10-31 21:58:40,118 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:58:40,118 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:58:40,118 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:40,119 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 21:58:40,119 INFO L745 eck$LassoCheckResult]: Stem: 170#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 161#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet14#1, main_#t~post15#1, main_~i~0#1, main_#t~ret16#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;havoc main_#t~nondet12#1;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 162#L521 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 163#L523-3 assume !!(main_~i~0#1 < main_~in_len~0#1);havoc main_#t~nondet14#1;call write~int#0((if main_#t~nondet14#1 % 256 <= 127 then main_#t~nondet14#1 % 256 else main_#t~nondet14#1 % 256 - 256), main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet14#1; 164#L523-2 main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 165#L523-3 assume !(main_~i~0#1 < main_~in_len~0#1); 155#L523-4 havoc main_~i~0#1;call write~int#0(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_atoll } true;atoll_#in~s#1.base, atoll_#in~s#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc atoll_#res#1;havoc atoll_#t~mem2#1, atoll_#t~pre3#1.base, atoll_#t~pre3#1.offset, atoll_#t~mem4#1, atoll_#t~switch5#1, atoll_#t~pre6#1.base, atoll_#t~pre6#1.offset, atoll_#t~mem7#1, atoll_#t~mem8#1, atoll_#t~short9#1, atoll_#t~mem10#1, atoll_#t~pre11#1.base, atoll_#t~pre11#1.offset, atoll_~s#1.base, atoll_~s#1.offset, atoll_~v~0#1, atoll_~sign~0#1;atoll_~s#1.base, atoll_~s#1.offset := atoll_#in~s#1.base, atoll_#in~s#1.offset;atoll_~v~0#1 := 0;atoll_~sign~0#1 := 1; 156#L509-3 [2024-10-31 21:58:40,119 INFO L747 eck$LassoCheckResult]: Loop: 156#L509-3 call atoll_#t~mem2#1 := read~int#0(atoll_~s#1.base, atoll_~s#1.offset, 1); 168#L509-1 assume !!(32 == atoll_#t~mem2#1);havoc atoll_#t~mem2#1;atoll_#t~pre3#1.base, atoll_#t~pre3#1.offset := atoll_~s#1.base, 1 + atoll_~s#1.offset;atoll_~s#1.base, atoll_~s#1.offset := atoll_~s#1.base, 1 + atoll_~s#1.offset; 156#L509-3 [2024-10-31 21:58:40,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:40,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1806996910, now seen corresponding path program 1 times [2024-10-31 21:58:40,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:40,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809412764] [2024-10-31 21:58:40,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:40,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:40,159 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:40,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:40,193 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:40,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:40,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1798, now seen corresponding path program 2 times [2024-10-31 21:58:40,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:40,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081957464] [2024-10-31 21:58:40,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:40,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:40,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:40,208 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:40,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:40,214 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:40,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:40,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1357243763, now seen corresponding path program 1 times [2024-10-31 21:58:40,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:40,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748193802] [2024-10-31 21:58:40,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:40,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:40,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:40,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:40,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748193802] [2024-10-31 21:58:40,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748193802] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:58:40,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476224048] [2024-10-31 21:58:40,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:40,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:58:40,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:40,646 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:58:40,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-31 21:58:40,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:40,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-31 21:58:40,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:40,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-10-31 21:58:40,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-10-31 21:58:40,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:40,891 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:58:40,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2024-10-31 21:58:40,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2024-10-31 21:58:41,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:41,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [476224048] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:58:41,049 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:58:41,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 15 [2024-10-31 21:58:41,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614802197] [2024-10-31 21:58:41,050 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:58:41,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:41,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-31 21:58:41,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2024-10-31 21:58:41,121 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. cyclomatic complexity: 8 Second operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 states have internal predecessors, (23), 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) [2024-10-31 21:58:41,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:41,317 INFO L93 Difference]: Finished difference Result 31 states and 40 transitions. [2024-10-31 21:58:41,317 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 40 transitions. [2024-10-31 21:58:41,318 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2024-10-31 21:58:41,322 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 40 transitions. [2024-10-31 21:58:41,322 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2024-10-31 21:58:41,322 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2024-10-31 21:58:41,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 40 transitions. [2024-10-31 21:58:41,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 21:58:41,323 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 40 transitions. [2024-10-31 21:58:41,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 40 transitions. [2024-10-31 21:58:41,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 22. [2024-10-31 21:58:41,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 21 states have internal predecessors, (28), 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) [2024-10-31 21:58:41,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2024-10-31 21:58:41,327 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 28 transitions. [2024-10-31 21:58:41,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-31 21:58:41,328 INFO L425 stractBuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2024-10-31 21:58:41,330 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-31 21:58:41,330 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 28 transitions. [2024-10-31 21:58:41,331 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2024-10-31 21:58:41,331 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:58:41,331 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:58:41,332 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2024-10-31 21:58:41,334 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 21:58:41,334 INFO L745 eck$LassoCheckResult]: Stem: 296#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 284#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet14#1, main_#t~post15#1, main_~i~0#1, main_#t~ret16#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;havoc main_#t~nondet12#1;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 285#L521 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 287#L523-3 assume !!(main_~i~0#1 < main_~in_len~0#1);havoc main_#t~nondet14#1;call write~int#0((if main_#t~nondet14#1 % 256 <= 127 then main_#t~nondet14#1 % 256 else main_#t~nondet14#1 % 256 - 256), main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet14#1; 288#L523-2 main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 289#L523-3 assume !!(main_~i~0#1 < main_~in_len~0#1);havoc main_#t~nondet14#1;call write~int#0((if main_#t~nondet14#1 % 256 <= 127 then main_#t~nondet14#1 % 256 else main_#t~nondet14#1 % 256 - 256), main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet14#1; 291#L523-2 main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 299#L523-3 assume !(main_~i~0#1 < main_~in_len~0#1); 278#L523-4 havoc main_~i~0#1;call write~int#0(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_atoll } true;atoll_#in~s#1.base, atoll_#in~s#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc atoll_#res#1;havoc atoll_#t~mem2#1, atoll_#t~pre3#1.base, atoll_#t~pre3#1.offset, atoll_#t~mem4#1, atoll_#t~switch5#1, atoll_#t~pre6#1.base, atoll_#t~pre6#1.offset, atoll_#t~mem7#1, atoll_#t~mem8#1, atoll_#t~short9#1, atoll_#t~mem10#1, atoll_#t~pre11#1.base, atoll_#t~pre11#1.offset, atoll_~s#1.base, atoll_~s#1.offset, atoll_~v~0#1, atoll_~sign~0#1;atoll_~s#1.base, atoll_~s#1.offset := atoll_#in~s#1.base, atoll_#in~s#1.offset;atoll_~v~0#1 := 0;atoll_~sign~0#1 := 1; 279#L509-3 [2024-10-31 21:58:41,334 INFO L747 eck$LassoCheckResult]: Loop: 279#L509-3 call atoll_#t~mem2#1 := read~int#0(atoll_~s#1.base, atoll_~s#1.offset, 1); 298#L509-1 assume !!(32 == atoll_#t~mem2#1);havoc atoll_#t~mem2#1;atoll_#t~pre3#1.base, atoll_#t~pre3#1.offset := atoll_~s#1.base, 1 + atoll_~s#1.offset;atoll_~s#1.base, atoll_~s#1.offset := atoll_~s#1.base, 1 + atoll_~s#1.offset; 279#L509-3 [2024-10-31 21:58:41,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:41,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1357299088, now seen corresponding path program 2 times [2024-10-31 21:58:41,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:41,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091069266] [2024-10-31 21:58:41,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:41,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:41,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:41,364 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:41,385 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:41,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:41,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1798, now seen corresponding path program 3 times [2024-10-31 21:58:41,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:41,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850481004] [2024-10-31 21:58:41,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:41,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:41,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:41,397 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:41,401 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:41,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:41,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1305633579, now seen corresponding path program 2 times [2024-10-31 21:58:41,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:41,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853944183] [2024-10-31 21:58:41,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:41,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:41,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:41,423 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:41,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:41,437 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:42,431 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:58:42,431 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:58:42,431 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:58:42,432 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:58:42,432 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:58:42,432 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:42,432 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:58:42,432 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:58:42,432 INFO L132 ssoRankerPreferences]: Filename of dumped script: atoll-2.i_Iteration4_Lasso [2024-10-31 21:58:42,432 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:58:42,433 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:58:42,439 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:42,445 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:42,448 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:42,451 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:42,454 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:42,456 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:42,459 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:42,461 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:42,464 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:42,466 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:42,471 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:42,474 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:42,480 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:42,484 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:42,486 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:42,490 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:42,856 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:42,859 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:42,862 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:42,864 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:42,868 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:42,870 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:42,873 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:42,876 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:42,878 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:42,880 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:42,883 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:43,371 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:58:43,372 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:58:43,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:43,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:43,374 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:43,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-31 21:58:43,378 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 [2024-10-31 21:58:43,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:43,393 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:43,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:43,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:43,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:43,394 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:43,394 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:43,398 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:43,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-10-31 21:58:43,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:43,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:43,420 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:43,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-31 21:58:43,422 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 [2024-10-31 21:58:43,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:43,437 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:43,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:43,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:43,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:43,438 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:43,438 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:43,440 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:43,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-10-31 21:58:43,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:43,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:43,461 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:43,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-31 21:58:43,464 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 [2024-10-31 21:58:43,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:43,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:43,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:43,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:43,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:43,479 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:43,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:43,482 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:43,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:43,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:43,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:43,505 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:43,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-31 21:58:43,508 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 [2024-10-31 21:58:43,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:43,522 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:43,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:43,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:43,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:43,524 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:43,524 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:43,525 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:43,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-10-31 21:58:43,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:43,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:43,549 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:43,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-31 21:58:43,553 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 [2024-10-31 21:58:43,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:43,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:43,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:43,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:43,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:43,568 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:43,568 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:43,571 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:43,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:43,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:43,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:43,591 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:43,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-31 21:58:43,594 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 [2024-10-31 21:58:43,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:43,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:43,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:43,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:43,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:43,609 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:43,609 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:43,613 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:43,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-10-31 21:58:43,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:43,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:43,634 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:43,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-31 21:58:43,638 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 [2024-10-31 21:58:43,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:43,653 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:43,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:43,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:43,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:43,654 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:43,654 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:43,658 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:43,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-10-31 21:58:43,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:43,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:43,679 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:43,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-31 21:58:43,681 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 [2024-10-31 21:58:43,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:43,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:43,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:43,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:43,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:43,698 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:43,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:43,702 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:43,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-10-31 21:58:43,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:43,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:43,723 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:43,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-31 21:58:43,728 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 [2024-10-31 21:58:43,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:43,743 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:43,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:43,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:43,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:43,743 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:43,744 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:43,745 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:43,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-10-31 21:58:43,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:43,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:43,764 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:43,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-31 21:58:43,768 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 [2024-10-31 21:58:43,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:43,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:43,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:43,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:43,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:43,784 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:43,784 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:43,786 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:43,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-10-31 21:58:43,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:43,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:43,806 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:43,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-31 21:58:43,809 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 [2024-10-31 21:58:43,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:43,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:43,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:43,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:43,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:43,825 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:43,825 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:43,829 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:43,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-10-31 21:58:43,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:43,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:43,850 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:43,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-31 21:58:43,853 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 [2024-10-31 21:58:43,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:43,867 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:43,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:43,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:43,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:43,868 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:43,868 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:43,870 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:43,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-10-31 21:58:43,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:43,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:43,891 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:43,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-10-31 21:58:43,894 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 [2024-10-31 21:58:43,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:43,909 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:43,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:43,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:43,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:43,910 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:43,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:43,912 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:43,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:43,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:43,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:43,931 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:43,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-31 21:58:43,934 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 [2024-10-31 21:58:43,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:43,949 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:43,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:43,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:43,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:43,950 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:43,950 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:43,951 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:43,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:43,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:43,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:43,973 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:43,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-10-31 21:58:43,975 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 [2024-10-31 21:58:43,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:43,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:43,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:43,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:43,991 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:58:43,991 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:58:43,995 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:44,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-10-31 21:58:44,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:44,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:44,015 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:44,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-10-31 21:58:44,020 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 [2024-10-31 21:58:44,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:44,036 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-10-31 21:58:44,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:44,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:44,050 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-10-31 21:58:44,050 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:58:44,071 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:58:44,113 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2024-10-31 21:58:44,113 INFO L444 ModelExtractionUtils]: 6 out of 19 variables were initially zero. Simplification set additionally 10 variables to zero. [2024-10-31 21:58:44,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:44,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:44,116 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:44,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-10-31 21:58:44,119 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:58:44,135 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 21:58:44,135 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:58:44,135 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_atoll_~s#1.offset, v_rep(select #length ULTIMATE.start_atoll_~s#1.base)_1) = -1*ULTIMATE.start_atoll_~s#1.offset + 1*v_rep(select #length ULTIMATE.start_atoll_~s#1.base)_1 Supporting invariants [] [2024-10-31 21:58:44,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-10-31 21:58:44,166 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2024-10-31 21:58:44,168 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s!offset [2024-10-31 21:58:44,169 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-31 21:58:44,170 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-31 21:58:44,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:44,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:44,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 21:58:44,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:44,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:44,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 21:58:44,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:44,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:44,248 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 [2024-10-31 21:58:44,248 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-10-31 21:58:44,289 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 38 states and 51 transitions. Complement of second has 6 states. [2024-10-31 21:58:44,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-31 21:58:44,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-10-31 21:58:44,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2024-10-31 21:58:44,292 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 9 letters. Loop has 2 letters. [2024-10-31 21:58:44,292 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:44,292 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 11 letters. Loop has 2 letters. [2024-10-31 21:58:44,292 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:44,293 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 9 letters. Loop has 4 letters. [2024-10-31 21:58:44,293 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:44,293 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 51 transitions. [2024-10-31 21:58:44,294 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-31 21:58:44,294 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 0 states and 0 transitions. [2024-10-31 21:58:44,295 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-31 21:58:44,295 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-31 21:58:44,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-31 21:58:44,295 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 21:58:44,295 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 21:58:44,295 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 21:58:44,295 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 21:58:44,295 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-31 21:58:44,296 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-31 21:58:44,296 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-31 21:58:44,296 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-31 21:58:44,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 31.10 09:58:44 BoogieIcfgContainer [2024-10-31 21:58:44,303 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-31 21:58:44,304 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 21:58:44,304 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 21:58:44,304 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 21:58:44,305 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:58:37" (3/4) ... [2024-10-31 21:58:44,308 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 21:58:44,309 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 21:58:44,310 INFO L158 Benchmark]: Toolchain (without parser) took 7844.85ms. Allocated memory was 172.0MB in the beginning and 213.9MB in the end (delta: 41.9MB). Free memory was 136.8MB in the beginning and 118.3MB in the end (delta: 18.5MB). Peak memory consumption was 62.1MB. Max. memory is 16.1GB. [2024-10-31 21:58:44,310 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 115.3MB. Free memory is still 62.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:58:44,311 INFO L158 Benchmark]: CACSL2BoogieTranslator took 608.96ms. Allocated memory is still 172.0MB. Free memory was 136.2MB in the beginning and 117.9MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-31 21:58:44,311 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.89ms. Allocated memory is still 172.0MB. Free memory was 117.9MB in the beginning and 115.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 21:58:44,311 INFO L158 Benchmark]: Boogie Preprocessor took 45.72ms. Allocated memory is still 172.0MB. Free memory was 115.9MB in the beginning and 113.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 21:58:44,312 INFO L158 Benchmark]: RCFGBuilder took 408.70ms. Allocated memory is still 172.0MB. Free memory was 113.8MB in the beginning and 100.6MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-31 21:58:44,312 INFO L158 Benchmark]: BuchiAutomizer took 6713.15ms. Allocated memory was 172.0MB in the beginning and 213.9MB in the end (delta: 41.9MB). Free memory was 100.0MB in the beginning and 119.4MB in the end (delta: -19.4MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2024-10-31 21:58:44,313 INFO L158 Benchmark]: Witness Printer took 5.28ms. Allocated memory is still 213.9MB. Free memory was 119.4MB in the beginning and 118.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 21:58:44,314 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 115.3MB. Free memory is still 62.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 608.96ms. Allocated memory is still 172.0MB. Free memory was 136.2MB in the beginning and 117.9MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.89ms. Allocated memory is still 172.0MB. Free memory was 117.9MB in the beginning and 115.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.72ms. Allocated memory is still 172.0MB. Free memory was 115.9MB in the beginning and 113.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 408.70ms. Allocated memory is still 172.0MB. Free memory was 113.8MB in the beginning and 100.6MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 6713.15ms. Allocated memory was 172.0MB in the beginning and 213.9MB in the end (delta: 41.9MB). Free memory was 100.0MB in the beginning and 119.4MB in the end (delta: -19.4MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. * Witness Printer took 5.28ms. Allocated memory is still 213.9MB. Free memory was 119.4MB in the beginning and 118.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (((long) -1 * i) + in_len) and consists of 4 locations. One deterministic module has affine ranking function null and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 16 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.6s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 5.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 10 StatesRemovedByMinimization, 2 NontrivialMinimizations. 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 63 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 61 mSDsluCounter, 143 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 88 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 107 IncrementalHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 55 mSDtfsCounter, 107 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital181 mio100 ax100 hnf100 lsp224 ukn30 mio100 lsp64 div143 bol100 ite100 ukn100 eq143 hnf93 smp84 dnf147 smp77 tf100 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 122ms VariablesStem: 7 VariablesLoop: 8 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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! [2024-10-31 21:58:44,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:44,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-31 21:58:44,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_283fffd8-b734-4664-8133-4ba3f4fa3cb5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE