./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-invgen/MADWiFi-encode_ie_ok.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-invgen/MADWiFi-encode_ie_ok.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0816346248b67d4ea9c17aaea510056f7cd51786d8081f1e3a68c606118ae1c9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:50:43,907 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:50:43,958 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-12-02 14:50:43,962 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:50:43,962 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:50:43,981 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:50:43,981 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:50:43,981 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:50:43,982 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:50:43,982 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:50:43,982 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:50:43,982 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:50:43,982 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:50:43,983 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-12-02 14:50:43,983 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-12-02 14:50:43,983 INFO L153 SettingsManager]: * Use old map elimination=false [2024-12-02 14:50:43,983 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-12-02 14:50:43,983 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-12-02 14:50:43,983 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-12-02 14:50:43,983 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:50:43,983 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-12-02 14:50:43,983 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 14:50:43,983 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 14:50:43,984 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 14:50:43,984 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:50:43,984 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-12-02 14:50:43,984 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-12-02 14:50:43,984 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-12-02 14:50:43,984 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 14:50:43,984 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 14:50:43,984 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:50:43,984 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-12-02 14:50:43,984 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:50:43,985 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:50:43,985 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:50:43,985 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:50:43,985 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:50:43,985 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-12-02 14:50:43,985 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-12-02 14:50:43,985 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0816346248b67d4ea9c17aaea510056f7cd51786d8081f1e3a68c606118ae1c9 [2024-12-02 14:50:44,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:50:44,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:50:44,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:50:44,188 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:50:44,189 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:50:44,190 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/loop-invgen/MADWiFi-encode_ie_ok.i [2024-12-02 14:50:46,977 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/data/1183e2da3/1cf8fcdcb48f4832941b3dff300bae75/FLAG8d0efdcb4 [2024-12-02 14:50:47,191 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:50:47,192 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/sv-benchmarks/c/loop-invgen/MADWiFi-encode_ie_ok.i [2024-12-02 14:50:47,198 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/data/1183e2da3/1cf8fcdcb48f4832941b3dff300bae75/FLAG8d0efdcb4 [2024-12-02 14:50:47,568 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/data/1183e2da3/1cf8fcdcb48f4832941b3dff300bae75 [2024-12-02 14:50:47,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:50:47,572 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:50:47,574 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:50:47,574 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:50:47,579 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:50:47,580 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:50:47" (1/1) ... [2024-12-02 14:50:47,581 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c833fa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:50:47, skipping insertion in model container [2024-12-02 14:50:47,581 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:50:47" (1/1) ... [2024-12-02 14:50:47,597 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:50:47,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:50:47,770 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:50:47,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:50:47,800 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:50:47,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:50:47 WrapperNode [2024-12-02 14:50:47,801 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:50:47,802 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:50:47,802 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:50:47,802 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:50:47,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:50:47" (1/1) ... [2024-12-02 14:50:47,812 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:50:47" (1/1) ... [2024-12-02 14:50:47,826 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 73 [2024-12-02 14:50:47,826 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:50:47,827 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:50:47,827 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:50:47,827 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:50:47,834 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:50:47" (1/1) ... [2024-12-02 14:50:47,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:50:47" (1/1) ... [2024-12-02 14:50:47,835 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:50:47" (1/1) ... [2024-12-02 14:50:47,845 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 14:50:47,846 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:50:47" (1/1) ... [2024-12-02 14:50:47,846 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:50:47" (1/1) ... [2024-12-02 14:50:47,849 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:50:47" (1/1) ... [2024-12-02 14:50:47,850 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:50:47" (1/1) ... [2024-12-02 14:50:47,854 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:50:47" (1/1) ... [2024-12-02 14:50:47,855 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:50:47" (1/1) ... [2024-12-02 14:50:47,856 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:50:47" (1/1) ... [2024-12-02 14:50:47,858 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:50:47,859 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:50:47,859 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:50:47,859 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:50:47,860 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:50:47" (1/1) ... [2024-12-02 14:50:47,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:50:47,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:50:47,889 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:50:47,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-12-02 14:50:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:50:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 14:50:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:50:47,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:50:47,968 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:50:47,969 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:50:48,105 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-12-02 14:50:48,105 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:50:48,111 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:50:48,112 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 14:50:48,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:50:48 BoogieIcfgContainer [2024-12-02 14:50:48,112 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:50:48,113 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-12-02 14:50:48,113 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-12-02 14:50:48,118 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-12-02 14:50:48,118 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 14:50:48,118 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 02:50:47" (1/3) ... [2024-12-02 14:50:48,119 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f049305 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 02:50:48, skipping insertion in model container [2024-12-02 14:50:48,119 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 14:50:48,119 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:50:47" (2/3) ... [2024-12-02 14:50:48,119 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f049305 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 02:50:48, skipping insertion in model container [2024-12-02 14:50:48,119 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 14:50:48,119 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:50:48" (3/3) ... [2024-12-02 14:50:48,120 INFO L363 chiAutomizerObserver]: Analyzing ICFG MADWiFi-encode_ie_ok.i [2024-12-02 14:50:48,164 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-12-02 14:50:48,164 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-12-02 14:50:48,165 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-12-02 14:50:48,165 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-12-02 14:50:48,165 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-12-02 14:50:48,165 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-12-02 14:50:48,165 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-12-02 14:50:48,165 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-12-02 14:50:48,169 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 24 states have internal predecessors, (38), 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) [2024-12-02 14:50:48,183 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2024-12-02 14:50:48,184 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 14:50:48,184 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 14:50:48,188 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:50:48,188 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-12-02 14:50:48,188 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-12-02 14:50:48,188 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 24 states have internal predecessors, (38), 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) [2024-12-02 14:50:48,190 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2024-12-02 14:50:48,190 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 14:50:48,190 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 14:50:48,190 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:50:48,190 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-12-02 14:50:48,197 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~post4#1, main_~p~0#1, main_~i~0#1, main_~leader_len~0#1, main_~bufsize~0#1, main_~bufsize_0~0#1, main_~ielen~0#1;havoc main_~p~0#1;havoc main_~i~0#1;havoc main_~leader_len~0#1;havoc main_~bufsize~0#1;havoc main_~bufsize_0~0#1;havoc main_~ielen~0#1;havoc main_#t~nondet1#1;main_~leader_len~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~bufsize~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;main_~ielen~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;" "assume !!(main_~leader_len~0#1 < 1000000);" "assume !!(main_~bufsize~0#1 < 1000000);" "assume !!(main_~ielen~0#1 < 1000000);" "assume main_~leader_len~0#1 > 0;" "assume main_~bufsize~0#1 > 0;" "assume main_~ielen~0#1 > 0;" "assume !(main_~bufsize~0#1 < main_~leader_len~0#1);main_~p~0#1 := 0;main_~bufsize_0~0#1 := main_~bufsize~0#1;main_~bufsize~0#1 := main_~bufsize~0#1 - main_~leader_len~0#1;main_~p~0#1 := main_~p~0#1 + main_~leader_len~0#1;" "assume !(main_~bufsize~0#1 < 2 * main_~ielen~0#1);main_~i~0#1 := 0;" [2024-12-02 14:50:48,197 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~ielen~0#1 && main_~bufsize~0#1 > 2;" "assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 0 <= main_~p~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1;" "assume !(0 == __VERIFIER_assert_~cond#1);" "havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 + main_~p~0#1 < main_~bufsize_0~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1;" "assume !(0 == __VERIFIER_assert_~cond#1);" "havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_~p~0#1 := 2 + main_~p~0#1;main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1;" [2024-12-02 14:50:48,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:50:48,202 INFO L85 PathProgramCache]: Analyzing trace with hash 763959638, now seen corresponding path program 1 times [2024-12-02 14:50:48,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 14:50:48,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907852911] [2024-12-02 14:50:48,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:50:48,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:50:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:50:48,272 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:50:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:50:48,296 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 14:50:48,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:50:48,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1894455733, now seen corresponding path program 1 times [2024-12-02 14:50:48,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 14:50:48,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326206290] [2024-12-02 14:50:48,299 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:50:48,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:50:48,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:50:48,320 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:50:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:50:48,330 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 14:50:48,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:50:48,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1105663008, now seen corresponding path program 1 times [2024-12-02 14:50:48,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 14:50:48,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120025499] [2024-12-02 14:50:48,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:50:48,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:50:48,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:50:48,354 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:50:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:50:48,374 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 14:50:48,517 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 14:50:48,518 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 14:50:48,518 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 14:50:48,518 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 14:50:48,519 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-12-02 14:50:48,519 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:50:48,519 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 14:50:48,519 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 14:50:48,519 INFO L132 ssoRankerPreferences]: Filename of dumped script: MADWiFi-encode_ie_ok.i_Iteration1_Loop [2024-12-02 14:50:48,519 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 14:50:48,519 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 14:50:48,530 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:50:48,536 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:50:48,539 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:50:48,543 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:50:48,553 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:50:48,556 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:50:48,635 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 14:50:48,635 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-12-02 14:50:48,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:50:48,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:50:48,639 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:50:48,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-12-02 14:50:48,642 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-12-02 14:50:48,642 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-02 14:50:48,658 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-12-02 14:50:48,658 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post4#1=0} Honda state: {ULTIMATE.start_main_#t~post4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-12-02 14:50:48,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-12-02 14:50:48,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:50:48,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:50:48,666 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:50:48,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-12-02 14:50:48,669 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-12-02 14:50:48,669 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-02 14:50:48,687 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-12-02 14:50:48,688 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Honda state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-12-02 14:50:48,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-12-02 14:50:48,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:50:48,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:50:48,701 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:50:48,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-12-02 14:50:48,704 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-12-02 14:50:48,704 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-02 14:50:48,728 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-12-02 14:50:48,728 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~bufsize~0#1=3} Honda state: {ULTIMATE.start_main_~bufsize~0#1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-12-02 14:50:48,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-12-02 14:50:48,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:50:48,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:50:48,736 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:50:48,742 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-12-02 14:50:48,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-12-02 14:50:48,742 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-02 14:50:48,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-12-02 14:50:48,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:50:48,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:50:48,767 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:50:48,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-12-02 14:50:48,769 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-12-02 14:50:48,770 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-02 14:50:48,854 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-12-02 14:50:48,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-12-02 14:50:48,858 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 14:50:48,858 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 14:50:48,858 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 14:50:48,858 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 14:50:48,859 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-12-02 14:50:48,859 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:50:48,859 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 14:50:48,859 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 14:50:48,859 INFO L132 ssoRankerPreferences]: Filename of dumped script: MADWiFi-encode_ie_ok.i_Iteration1_Loop [2024-12-02 14:50:48,859 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 14:50:48,859 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 14:50:48,861 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:50:48,864 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:50:48,868 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:50:48,875 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:50:48,883 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:50:48,886 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:50:48,939 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 14:50:48,943 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-12-02 14:50:48,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:50:48,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:50:48,946 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:50:48,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-12-02 14:50:48,949 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 [2024-12-02 14:50:48,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:50:48,966 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 14:50:48,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:50:48,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:50:48,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:50:48,971 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 14:50:48,972 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 14:50:48,974 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:50:48,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-12-02 14:50:48,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:50:48,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:50:48,985 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:50:48,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-12-02 14:50:48,987 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 [2024-12-02 14:50:49,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:50:49,002 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 14:50:49,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:50:49,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:50:49,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:50:49,003 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 14:50:49,003 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 14:50:49,005 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:50:49,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-12-02 14:50:49,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:50:49,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:50:49,013 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:50:49,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-12-02 14:50:49,015 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 [2024-12-02 14:50:49,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:50:49,027 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 14:50:49,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:50:49,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:50:49,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:50:49,028 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 14:50:49,028 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 14:50:49,030 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:50:49,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-12-02 14:50:49,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:50:49,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:50:49,038 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:50:49,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-12-02 14:50:49,041 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 [2024-12-02 14:50:49,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:50:49,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 14:50:49,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:50:49,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:50:49,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:50:49,055 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 14:50:49,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 14:50:49,058 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-12-02 14:50:49,062 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-12-02 14:50:49,065 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-12-02 14:50:49,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:50:49,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:50:49,068 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:50:49,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-12-02 14:50:49,070 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-12-02 14:50:49,071 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-12-02 14:50:49,071 INFO L474 LassoAnalysis]: Proved termination. [2024-12-02 14:50:49,071 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~ielen~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~ielen~0#1 Supporting invariants [] [2024-12-02 14:50:49,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-12-02 14:50:49,081 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-12-02 14:50:49,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:50:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:50:49,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 14:50:49,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:50:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:50:49,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 14:50:49,160 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:50:49,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:50:49,240 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 [2024-12-02 14:50:49,242 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 25 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 24 states have internal predecessors, (38), 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 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2024-12-02 14:50:49,297 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 25 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 24 states have internal predecessors, (38), 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 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 51 states and 71 transitions. Complement of second has 6 states. [2024-12-02 14:50:49,300 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 [2024-12-02 14:50:49,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2024-12-02 14:50:49,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 55 transitions. [2024-12-02 14:50:49,311 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 55 transitions. Stem has 10 letters. Loop has 6 letters. [2024-12-02 14:50:49,312 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 14:50:49,312 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 55 transitions. Stem has 16 letters. Loop has 6 letters. [2024-12-02 14:50:49,313 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 14:50:49,313 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 55 transitions. Stem has 10 letters. Loop has 12 letters. [2024-12-02 14:50:49,313 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 14:50:49,314 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 71 transitions. [2024-12-02 14:50:49,317 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-12-02 14:50:49,318 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 0 states and 0 transitions. [2024-12-02 14:50:49,319 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-12-02 14:50:49,320 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-12-02 14:50:49,320 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-12-02 14:50:49,320 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 14:50:49,320 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 14:50:49,320 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 14:50:49,321 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 14:50:49,321 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-12-02 14:50:49,321 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-12-02 14:50:49,321 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-12-02 14:50:49,321 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-12-02 14:50:49,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 02:50:49 BoogieIcfgContainer [2024-12-02 14:50:49,329 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-12-02 14:50:49,330 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 14:50:49,330 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 14:50:49,330 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 14:50:49,331 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:50:48" (3/4) ... [2024-12-02 14:50:49,333 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 14:50:49,334 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 14:50:49,335 INFO L158 Benchmark]: Toolchain (without parser) took 1762.94ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 68.2MB in the end (delta: 24.9MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2024-12-02 14:50:49,335 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:50:49,336 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.67ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 82.1MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:50:49,336 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.56ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:50:49,336 INFO L158 Benchmark]: Boogie Preprocessor took 31.04ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.4MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:50:49,337 INFO L158 Benchmark]: RCFGBuilder took 253.60ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 68.9MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:50:49,337 INFO L158 Benchmark]: BuchiAutomizer took 1216.36ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 68.8MB in the end (delta: 109.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:50:49,337 INFO L158 Benchmark]: Witness Printer took 4.38ms. Allocated memory is still 117.4MB. Free memory was 68.8MB in the beginning and 68.2MB in the end (delta: 578.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:50:49,340 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 227.67ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 82.1MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.56ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.04ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.4MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 253.60ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 68.9MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1216.36ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 68.8MB in the end (delta: 109.8kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.38ms. Allocated memory is still 117.4MB. Free memory was 68.8MB in the beginning and 68.2MB in the end (delta: 578.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (((long long) -1 * i) + ielen) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 37 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 28 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital28 mio100 ax100 hnf100 lsp53 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq139 hnf95 smp100 dnf100 smp100 tf110 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 30ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-12-02 14:50:49,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-12-02 14:50:49,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c507cefd-78cb-4b39-8f0d-545de124e692/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE