./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a88778e925af9c1a64b7e94f7ff093b6408bd8b2e5fbc09d91ee3e64112df49e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:31:06,881 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:31:06,979 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-27 20:31:06,992 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:31:06,992 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:31:07,036 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:31:07,037 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:31:07,038 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:31:07,038 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:31:07,039 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:31:07,040 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:31:07,040 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:31:07,040 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:31:07,041 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-27 20:31:07,041 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-27 20:31:07,041 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-27 20:31:07,041 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-27 20:31:07,042 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-27 20:31:07,042 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-27 20:31:07,042 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:31:07,042 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-27 20:31:07,042 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:31:07,042 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:31:07,043 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-27 20:31:07,043 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-27 20:31:07,043 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-27 20:31:07,043 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 20:31:07,043 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:31:07,043 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-27 20:31:07,043 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:31:07,044 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:31:07,044 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:31:07,044 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:31:07,045 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:31:07,045 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-27 20:31:07,045 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-27 20:31:07,046 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_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a88778e925af9c1a64b7e94f7ff093b6408bd8b2e5fbc09d91ee3e64112df49e [2024-11-27 20:31:07,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:31:07,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:31:07,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:31:07,426 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:31:07,426 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:31:07,428 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11.i [2024-11-27 20:31:10,562 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/data/719ef1452/34043babac0940caaebd304a4b25e530/FLAG81c81b4c2 [2024-11-27 20:31:10,885 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:31:10,886 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11.i [2024-11-27 20:31:10,895 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/data/719ef1452/34043babac0940caaebd304a4b25e530/FLAG81c81b4c2 [2024-11-27 20:31:10,923 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/data/719ef1452/34043babac0940caaebd304a4b25e530 [2024-11-27 20:31:10,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:31:10,932 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:31:10,933 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:31:10,935 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:31:10,941 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:31:10,942 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:31:10" (1/1) ... [2024-11-27 20:31:10,947 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cfc3522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:31:10, skipping insertion in model container [2024-11-27 20:31:10,947 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:31:10" (1/1) ... [2024-11-27 20:31:10,968 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:31:11,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:31:11,135 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:31:11,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:31:11,164 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:31:11,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:31:11 WrapperNode [2024-11-27 20:31:11,164 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:31:11,165 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:31:11,165 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:31:11,165 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:31:11,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:31:11" (1/1) ... [2024-11-27 20:31:11,179 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:31:11" (1/1) ... [2024-11-27 20:31:11,193 INFO L138 Inliner]: procedures = 11, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2024-11-27 20:31:11,194 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:31:11,194 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:31:11,194 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:31:11,195 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:31:11,202 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:31:11" (1/1) ... [2024-11-27 20:31:11,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:31:11" (1/1) ... [2024-11-27 20:31:11,203 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:31:11" (1/1) ... [2024-11-27 20:31:11,218 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [6, 4]. 60 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 4 writes are split as follows [2, 2]. [2024-11-27 20:31:11,218 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:31:11" (1/1) ... [2024-11-27 20:31:11,218 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:31:11" (1/1) ... [2024-11-27 20:31:11,223 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:31:11" (1/1) ... [2024-11-27 20:31:11,223 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:31:11" (1/1) ... [2024-11-27 20:31:11,227 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:31:11" (1/1) ... [2024-11-27 20:31:11,228 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:31:11" (1/1) ... [2024-11-27 20:31:11,229 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:31:11" (1/1) ... [2024-11-27 20:31:11,230 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:31:11,231 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:31:11,231 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:31:11,232 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:31:11,233 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:31:11" (1/1) ... [2024-11-27 20:31:11,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:11,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:11,269 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:31:11,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-27 20:31:11,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 20:31:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-27 20:31:11,310 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2024-11-27 20:31:11,310 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2024-11-27 20:31:11,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 20:31:11,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:31:11,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:31:11,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 20:31:11,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-27 20:31:11,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 20:31:11,393 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:31:11,395 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:31:11,591 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-27 20:31:11,591 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:31:11,602 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:31:11,602 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-27 20:31:11,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:31:11 BoogieIcfgContainer [2024-11-27 20:31:11,602 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:31:11,603 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-27 20:31:11,604 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-27 20:31:11,611 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-27 20:31:11,612 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 20:31:11,612 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.11 08:31:10" (1/3) ... [2024-11-27 20:31:11,614 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7673237 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.11 08:31:11, skipping insertion in model container [2024-11-27 20:31:11,614 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 20:31:11,614 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:31:11" (2/3) ... [2024-11-27 20:31:11,614 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7673237 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.11 08:31:11, skipping insertion in model container [2024-11-27 20:31:11,614 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 20:31:11,615 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:31:11" (3/3) ... [2024-11-27 20:31:11,616 INFO L363 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex11.i [2024-11-27 20:31:11,678 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-27 20:31:11,679 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-27 20:31:11,679 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-27 20:31:11,679 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-27 20:31:11,679 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-27 20:31:11,679 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-27 20:31:11,679 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-27 20:31:11,680 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-27 20:31:11,686 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 14 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:31:11,710 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2024-11-27 20:31:11,711 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:31:11,711 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:31:11,718 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-27 20:31:11,718 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:31:11,718 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-27 20:31:11,718 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 14 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:31:11,721 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2024-11-27 20:31:11,722 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:31:11,722 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:31:11,722 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-27 20:31:11,722 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:31:11,732 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~ret12#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_~qq~0#1.base, main_~qq~0#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(4);main_~qq~0#1.base, main_~qq~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~nondet7#1;call write~int#1(main_#t~nondet7#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~nondet7#1;" [2024-11-27 20:31:11,733 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem8#1 := read~int#1(main_~qq~0#1.base, main_~qq~0#1.offset, 4);" "assume main_#t~mem8#1 > 1;havoc main_#t~mem8#1;" "call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int#0(main_~pp~0#1.base, main_~pp~0#1.offset, 4);" "assume !(main_#t~mem11#1 < 0);havoc main_#t~mem11#1;call main_#t~mem13#1 := read~int#1(main_~qq~0#1.base, main_~qq~0#1.offset, 4);" "call main_#t~ret12#1 := rec(main_~pp~0#1.base, main_~pp~0#1.offset);"< "~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int#0(~op.base, ~op.offset, 4);" "assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int#0(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0;" "assume true;" >"#39#return;" "call write~int#1(main_#t~mem13#1 + (if -1 == main_#t~ret12#1 then -1 else 1), main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_~pp~0#1.base, main_~pp~0#1.offset;havoc main_#t~mem13#1;havoc main_#t~ret12#1;" [2024-11-27 20:31:11,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:31:11,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 1 times [2024-11-27 20:31:11,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:31:11,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250580942] [2024-11-27 20:31:11,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:31:11,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:31:11,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:31:11,863 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:31:11,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:31:11,895 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:31:11,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:31:11,898 INFO L85 PathProgramCache]: Analyzing trace with hash -282552260, now seen corresponding path program 1 times [2024-11-27 20:31:11,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:31:11,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92347701] [2024-11-27 20:31:11,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:31:11,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:31:11,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:31:12,423 INFO L370 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-27 20:31:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:31:12,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 20:31:12,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92347701] [2024-11-27 20:31:12,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92347701] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:31:12,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309097575] [2024-11-27 20:31:12,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:31:12,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:31:12,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:12,727 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:31:12,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 20:31:12,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:31:12,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-27 20:31:12,844 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:31:12,923 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 [2024-11-27 20:31:13,142 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:31:13,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1309097575] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:31:13,437 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:31:13,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-11-27 20:31:13,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670689208] [2024-11-27 20:31:13,440 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:31:13,445 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-27 20:31:13,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 20:31:13,481 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-27 20:31:13,483 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-27 20:31:13,486 INFO L87 Difference]: Start difference. First operand has 18 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 14 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 14 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 11 states have internal predecessors, (17), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 20:31:13,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:31:13,704 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2024-11-27 20:31:13,705 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 23 transitions. [2024-11-27 20:31:13,709 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2024-11-27 20:31:13,720 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 16 states and 18 transitions. [2024-11-27 20:31:13,721 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2024-11-27 20:31:13,722 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2024-11-27 20:31:13,723 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 18 transitions. [2024-11-27 20:31:13,724 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 20:31:13,724 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 18 transitions. [2024-11-27 20:31:13,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 18 transitions. [2024-11-27 20:31:13,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2024-11-27 20:31:13,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-27 20:31:13,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2024-11-27 20:31:13,762 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 18 transitions. [2024-11-27 20:31:13,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:31:13,771 INFO L425 stractBuchiCegarLoop]: Abstraction has 16 states and 18 transitions. [2024-11-27 20:31:13,772 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-27 20:31:13,772 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 18 transitions. [2024-11-27 20:31:13,772 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2024-11-27 20:31:13,773 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:31:13,773 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:31:13,773 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-27 20:31:13,773 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:31:13,775 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~ret12#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_~qq~0#1.base, main_~qq~0#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(4);main_~qq~0#1.base, main_~qq~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~nondet7#1;call write~int#1(main_#t~nondet7#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~nondet7#1;" [2024-11-27 20:31:13,775 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem8#1 := read~int#1(main_~qq~0#1.base, main_~qq~0#1.offset, 4);" "assume main_#t~mem8#1 > 1;havoc main_#t~mem8#1;" "call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int#0(main_~pp~0#1.base, main_~pp~0#1.offset, 4);" "assume !(main_#t~mem11#1 < 0);havoc main_#t~mem11#1;call main_#t~mem13#1 := read~int#1(main_~qq~0#1.base, main_~qq~0#1.offset, 4);" "call main_#t~ret12#1 := rec(main_~pp~0#1.base, main_~pp~0#1.offset);"< "~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int#0(~op.base, ~op.offset, 4);" "assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int#0(~op.base, ~op.offset, 4);call write~int#0(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset);" "call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);"< "~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int#0(~op.base, ~op.offset, 4);" "assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int#0(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0;" "assume true;" >"#37#return;" "#res := #t~ret5;havoc #t~ret5;" "assume true;" >"#39#return;" "call write~int#1(main_#t~mem13#1 + (if -1 == main_#t~ret12#1 then -1 else 1), main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_~pp~0#1.base, main_~pp~0#1.offset;havoc main_#t~mem13#1;havoc main_#t~ret12#1;" [2024-11-27 20:31:13,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:31:13,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 2 times [2024-11-27 20:31:13,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:31:13,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713630927] [2024-11-27 20:31:13,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:31:13,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:31:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:31:13,793 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:31:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:31:13,805 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:31:13,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:31:13,806 INFO L85 PathProgramCache]: Analyzing trace with hash -628421766, now seen corresponding path program 1 times [2024-11-27 20:31:13,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:31:13,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450868977] [2024-11-27 20:31:13,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:31:13,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:31:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:31:13,863 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:31:13,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:31:13,918 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:31:13,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:31:13,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1564652484, now seen corresponding path program 1 times [2024-11-27 20:31:13,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:31:13,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788346405] [2024-11-27 20:31:13,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:31:13,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:31:13,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:31:13,990 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:31:14,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:31:14,049 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:31:16,150 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 20:31:16,151 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 20:31:16,151 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 20:31:16,151 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 20:31:16,151 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 20:31:16,152 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:16,152 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 20:31:16,152 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 20:31:16,152 INFO L132 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11.i_Iteration2_Lasso [2024-11-27 20:31:16,152 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 20:31:16,152 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 20:31:16,170 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:16,180 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:16,183 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:16,187 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:16,456 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:16,462 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:16,466 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:16,469 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:16,473 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:16,477 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:16,480 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:16,483 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:16,487 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:16,490 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:16,859 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 20:31:16,863 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 20:31:16,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:16,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:16,870 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:31:16,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-27 20:31:16,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:31:16,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:31:16,892 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:31:16,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:31:16,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:31:16,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:31:16,903 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:31:16,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:31:16,906 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:31:16,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-27 20:31:16,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:16,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:16,921 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:31:16,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-27 20:31:16,927 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:31:16,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:31:16,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:31:16,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:31:16,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:31:16,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:31:16,948 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:31:16,948 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:31:16,951 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:31:16,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-27 20:31:16,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:16,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:16,964 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:31:16,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-27 20:31:16,969 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:31:16,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:31:16,985 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:31:16,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:31:16,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:31:16,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:31:16,986 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:31:16,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:31:16,992 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:31:17,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-27 20:31:17,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:17,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:17,005 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:31:17,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-27 20:31:17,009 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:31:17,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:31:17,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:31:17,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:31:17,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:31:17,034 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:31:17,034 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:31:17,046 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 20:31:17,076 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-11-27 20:31:17,079 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-11-27 20:31:17,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:17,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:17,087 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:31:17,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-27 20:31:17,091 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 20:31:17,112 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-27 20:31:17,112 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 20:31:17,113 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 ULTIMATE.start_main_~qq~0#1.base) 0)_1) = 1*v_rep(select (select #memory_int#1 ULTIMATE.start_main_~qq~0#1.base) 0)_1 Supporting invariants [] [2024-11-27 20:31:17,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-27 20:31:17,133 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2024-11-27 20:31:17,139 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-27 20:31:17,140 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-27 20:31:17,140 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~qq~0!base,]]] [2024-11-27 20:31:17,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:31:17,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:31:17,184 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:31:17,185 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:31:17,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:31:17,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-27 20:31:17,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:31:17,567 INFO L349 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2024-11-27 20:31:17,567 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 28 [2024-11-27 20:31:17,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-27 20:31:18,137 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:31:18,143 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 13 loop predicates [2024-11-27 20:31:18,145 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 18 transitions. cyclomatic complexity: 4 Second operand has 14 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 10 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:31:18,753 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 18 transitions. cyclomatic complexity: 4. Second operand has 14 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 10 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 58 states and 67 transitions. Complement of second has 42 states. [2024-11-27 20:31:18,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 14 states 1 stem states 12 non-accepting loop states 1 accepting loop states [2024-11-27 20:31:18,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 10 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:31:18,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 22 transitions. [2024-11-27 20:31:18,765 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 22 transitions. Stem has 2 letters. Loop has 16 letters. [2024-11-27 20:31:18,766 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:31:18,767 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 22 transitions. Stem has 18 letters. Loop has 16 letters. [2024-11-27 20:31:18,767 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:31:18,767 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 22 transitions. Stem has 2 letters. Loop has 32 letters. [2024-11-27 20:31:18,768 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:31:18,768 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 67 transitions. [2024-11-27 20:31:18,773 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 20:31:18,774 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 39 states and 45 transitions. [2024-11-27 20:31:18,777 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-27 20:31:18,778 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-27 20:31:18,778 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 45 transitions. [2024-11-27 20:31:18,779 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 20:31:18,779 INFO L218 hiAutomatonCegarLoop]: Abstraction has 39 states and 45 transitions. [2024-11-27 20:31:18,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 45 transitions. [2024-11-27 20:31:18,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 28. [2024-11-27 20:31:18,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 21 states have internal predecessors, (24), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-27 20:31:18,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2024-11-27 20:31:18,783 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 32 transitions. [2024-11-27 20:31:18,783 INFO L425 stractBuchiCegarLoop]: Abstraction has 28 states and 32 transitions. [2024-11-27 20:31:18,783 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-27 20:31:18,783 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 32 transitions. [2024-11-27 20:31:18,784 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 20:31:18,784 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:31:18,784 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:31:18,785 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:31:18,785 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 20:31:18,785 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~ret12#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_~qq~0#1.base, main_~qq~0#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(4);main_~qq~0#1.base, main_~qq~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~nondet7#1;call write~int#1(main_#t~nondet7#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~nondet7#1;" "call main_#t~mem8#1 := read~int#1(main_~qq~0#1.base, main_~qq~0#1.offset, 4);" "assume main_#t~mem8#1 > 1;havoc main_#t~mem8#1;" "call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int#0(main_~pp~0#1.base, main_~pp~0#1.offset, 4);" "assume !(main_#t~mem11#1 < 0);havoc main_#t~mem11#1;call main_#t~mem13#1 := read~int#1(main_~qq~0#1.base, main_~qq~0#1.offset, 4);" "call main_#t~ret12#1 := rec(main_~pp~0#1.base, main_~pp~0#1.offset);"< [2024-11-27 20:31:18,785 INFO L749 eck$LassoCheckResult]: Loop: "~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int#0(~op.base, ~op.offset, 4);" "assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int#0(~op.base, ~op.offset, 4);call write~int#0(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset);" "call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);"< [2024-11-27 20:31:18,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:31:18,786 INFO L85 PathProgramCache]: Analyzing trace with hash 552653467, now seen corresponding path program 1 times [2024-11-27 20:31:18,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:31:18,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261841501] [2024-11-27 20:31:18,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:31:18,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:31:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:31:18,800 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:31:18,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:31:18,811 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:31:18,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:31:18,811 INFO L85 PathProgramCache]: Analyzing trace with hash 29951, now seen corresponding path program 1 times [2024-11-27 20:31:18,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:31:18,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331944247] [2024-11-27 20:31:18,812 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:31:18,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:31:18,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:31:18,829 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:31:18,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:31:18,846 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:31:18,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:31:18,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1489789989, now seen corresponding path program 1 times [2024-11-27 20:31:18,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:31:18,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604990818] [2024-11-27 20:31:18,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:31:18,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:31:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:31:18,881 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:31:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:31:18,912 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:31:20,076 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 20:31:20,076 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 20:31:20,076 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 20:31:20,077 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 20:31:20,077 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 20:31:20,077 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:20,077 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 20:31:20,077 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 20:31:20,077 INFO L132 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11.i_Iteration3_Lasso [2024-11-27 20:31:20,077 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 20:31:20,077 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 20:31:20,080 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:20,087 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:20,089 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:20,092 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:20,095 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:20,097 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:20,100 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:20,103 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:20,106 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:20,108 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:20,111 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:20,113 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:20,116 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:20,120 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:20,122 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:20,124 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:20,127 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:20,129 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:20,131 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:20,457 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:20,460 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:20,463 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:20,466 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:20,468 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:20,471 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:20,474 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:20,476 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:20,478 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:20,844 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 20:31:20,844 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 20:31:20,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:20,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:20,847 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:31:20,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-27 20:31:20,850 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:31:20,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:31:20,862 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:31:20,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:31:20,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:31:20,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:31:20,862 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:31:20,862 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:31:20,864 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:31:20,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-27 20:31:20,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:20,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:20,876 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:31:20,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-27 20:31:20,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:31:20,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:31:20,890 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:31:20,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:31:20,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:31:20,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:31:20,890 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:31:20,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:31:20,892 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:31:20,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-27 20:31:20,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:20,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:20,902 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:31:20,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-27 20:31:20,905 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:31:20,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:31:20,918 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:31:20,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:31:20,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:31:20,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:31:20,919 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:31:20,919 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:31:20,920 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:31:20,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-27 20:31:20,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:20,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:20,929 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:31:20,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-27 20:31:20,931 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:31:20,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:31:20,945 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:31:20,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:31:20,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:31:20,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:31:20,946 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:31:20,946 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:31:20,948 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:31:20,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-27 20:31:20,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:20,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:20,959 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:31:20,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-27 20:31:20,961 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:31:20,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:31:20,973 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:31:20,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:31:20,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:31:20,974 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:31:20,974 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:31:20,974 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:31:20,976 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:31:20,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-27 20:31:20,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:20,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:20,986 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:31:20,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-27 20:31:21,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:31:21,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:31:21,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:31:21,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:31:21,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:31:21,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:31:21,017 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:31:21,017 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:31:21,020 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:31:21,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-27 20:31:21,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:21,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:21,033 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:31:21,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-27 20:31:21,037 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:31:21,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:31:21,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:31:21,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:31:21,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:31:21,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:31:21,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:31:21,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:31:21,057 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:31:21,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-27 20:31:21,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:21,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:21,067 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:31:21,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-27 20:31:21,069 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:31:21,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:31:21,082 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:31:21,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:31:21,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:31:21,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:31:21,083 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:31:21,083 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:31:21,084 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:31:21,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-27 20:31:21,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:21,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:21,094 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:31:21,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-27 20:31:21,097 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:31:21,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:31:21,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:31:21,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:31:21,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:31:21,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:31:21,110 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:31:21,110 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:31:21,112 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:31:21,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-27 20:31:21,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:21,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:21,122 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:31:21,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-27 20:31:21,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:31:21,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:31:21,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:31:21,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:31:21,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:31:21,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:31:21,138 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:31:21,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:31:21,140 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:31:21,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-27 20:31:21,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:21,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:21,149 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:31:21,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-27 20:31:21,152 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:31:21,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:31:21,164 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:31:21,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:31:21,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:31:21,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:31:21,165 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:31:21,165 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:31:21,166 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:31:21,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-27 20:31:21,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:21,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:21,175 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:31:21,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-27 20:31:21,179 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:31:21,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:31:21,192 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:31:21,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:31:21,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:31:21,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:31:21,192 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:31:21,193 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:31:21,194 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:31:21,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-27 20:31:21,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:21,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:21,203 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:31:21,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-27 20:31:21,206 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:31:21,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:31:21,221 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:31:21,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:31:21,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:31:21,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:31:21,222 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:31:21,222 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:31:21,226 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:31:21,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-27 20:31:21,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:21,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:21,238 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:31:21,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-27 20:31:21,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:31:21,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:31:21,253 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:31:21,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:31:21,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:31:21,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:31:21,254 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:31:21,254 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:31:21,255 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:31:21,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-11-27 20:31:21,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:21,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:21,264 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:31:21,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-27 20:31:21,266 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:31:21,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:31:21,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:31:21,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:31:21,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:31:21,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:31:21,279 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:31:21,279 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:31:21,281 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:31:21,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-27 20:31:21,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:21,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:21,290 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:31:21,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-27 20:31:21,293 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:31:21,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:31:21,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:31:21,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:31:21,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:31:21,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:31:21,307 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:31:21,307 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:31:21,308 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:31:21,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-11-27 20:31:21,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:21,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:21,316 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:31:21,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-27 20:31:21,319 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:31:21,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:31:21,332 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:31:21,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:31:21,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:31:21,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:31:21,333 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:31:21,333 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:31:21,334 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:31:21,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-11-27 20:31:21,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:21,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:21,344 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:31:21,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-27 20:31:21,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:31:21,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:31:21,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:31:21,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:31:21,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:31:21,361 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:31:21,361 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:31:21,364 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:31:21,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-27 20:31:21,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:21,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:21,372 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:31:21,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-27 20:31:21,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:31:21,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:31:21,387 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2024-11-27 20:31:21,387 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-27 20:31:21,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:31:21,398 INFO L401 nArgumentSynthesizer]: We have 28 Motzkin's Theorem applications. [2024-11-27 20:31:21,398 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-11-27 20:31:21,416 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:31:21,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-11-27 20:31:21,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:21,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:21,425 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:31:21,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-27 20:31:21,428 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:31:21,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:31:21,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:31:21,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:31:21,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:31:21,442 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:31:21,442 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:31:21,446 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:31:21,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-11-27 20:31:21,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:21,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:21,454 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:31:21,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-27 20:31:21,456 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:31:21,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:31:21,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:31:21,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:31:21,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:31:21,471 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:31:21,471 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:31:21,476 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:31:21,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-27 20:31:21,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:21,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:21,489 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:31:21,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-27 20:31:21,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:31:21,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:31:21,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:31:21,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:31:21,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:31:21,508 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:31:21,508 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:31:21,512 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:31:21,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-11-27 20:31:21,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:21,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:21,520 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:31:21,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-27 20:31:21,523 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:31:21,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:31:21,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:31:21,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:31:21,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:31:21,537 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:31:21,537 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:31:21,541 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:31:21,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-11-27 20:31:21,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:21,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:21,549 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:31:21,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-27 20:31:21,551 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:31:21,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:31:21,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:31:21,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:31:21,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:31:21,566 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:31:21,566 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:31:21,572 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:31:21,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-11-27 20:31:21,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:21,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:21,580 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:31:21,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-27 20:31:21,583 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:31:21,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:31:21,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:31:21,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:31:21,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:31:21,605 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:31:21,605 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:31:21,618 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 20:31:21,641 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2024-11-27 20:31:21,642 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. [2024-11-27 20:31:21,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:21,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:21,644 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:31:21,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-27 20:31:21,646 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 20:31:21,663 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-27 20:31:21,663 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 20:31:21,663 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 rec_#in~op.base) 0)_1) = 2*v_rep(select (select #memory_int#0 rec_#in~op.base) 0)_1 + 1 Supporting invariants [] [2024-11-27 20:31:21,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-11-27 20:31:21,682 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2024-11-27 20:31:21,688 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-27 20:31:21,688 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-27 20:31:21,688 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[#in~op!base,]]] [2024-11-27 20:31:21,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:31:21,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:31:21,737 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 20:31:21,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:31:21,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:31:21,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-27 20:31:21,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:31:21,861 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-27 20:31:21,862 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 31 [2024-11-27 20:31:21,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:31:21,901 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2024-11-27 20:31:21,901 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 32 transitions. cyclomatic complexity: 7 Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:31:22,031 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 32 transitions. cyclomatic complexity: 7. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 60 states and 69 transitions. Complement of second has 15 states. [2024-11-27 20:31:22,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-27 20:31:22,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:31:22,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 12 transitions. [2024-11-27 20:31:22,033 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 12 transitions. Stem has 7 letters. Loop has 3 letters. [2024-11-27 20:31:22,034 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:31:22,034 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 12 transitions. Stem has 10 letters. Loop has 3 letters. [2024-11-27 20:31:22,034 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:31:22,034 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 12 transitions. Stem has 7 letters. Loop has 6 letters. [2024-11-27 20:31:22,034 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:31:22,034 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 69 transitions. [2024-11-27 20:31:22,036 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 20:31:22,037 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 41 states and 49 transitions. [2024-11-27 20:31:22,038 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-27 20:31:22,038 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-27 20:31:22,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 49 transitions. [2024-11-27 20:31:22,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 20:31:22,038 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41 states and 49 transitions. [2024-11-27 20:31:22,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 49 transitions. [2024-11-27 20:31:22,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2024-11-27 20:31:22,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 30 states have (on average 1.1) internal successors, (33), 32 states have internal predecessors, (33), 8 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-27 20:31:22,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2024-11-27 20:31:22,043 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 49 transitions. [2024-11-27 20:31:22,043 INFO L425 stractBuchiCegarLoop]: Abstraction has 41 states and 49 transitions. [2024-11-27 20:31:22,043 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-27 20:31:22,043 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 49 transitions. [2024-11-27 20:31:22,044 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 20:31:22,045 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:31:22,045 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:31:22,045 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:31:22,045 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 20:31:22,045 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~ret12#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_~qq~0#1.base, main_~qq~0#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(4);main_~qq~0#1.base, main_~qq~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~nondet7#1;call write~int#1(main_#t~nondet7#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~nondet7#1;" "call main_#t~mem8#1 := read~int#1(main_~qq~0#1.base, main_~qq~0#1.offset, 4);" "assume main_#t~mem8#1 > 1;havoc main_#t~mem8#1;" "call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int#0(main_~pp~0#1.base, main_~pp~0#1.offset, 4);" "assume !(main_#t~mem11#1 < 0);havoc main_#t~mem11#1;call main_#t~mem13#1 := read~int#1(main_~qq~0#1.base, main_~qq~0#1.offset, 4);" "call main_#t~ret12#1 := rec(main_~pp~0#1.base, main_~pp~0#1.offset);"< "~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int#0(~op.base, ~op.offset, 4);" "assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int#0(~op.base, ~op.offset, 4);call write~int#0(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset);" "call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);"< "~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int#0(~op.base, ~op.offset, 4);" "assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int#0(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0;" "assume true;" >"#37#return;" "#res := #t~ret5;havoc #t~ret5;" "assume true;" >"#39#return;" "call write~int#1(main_#t~mem13#1 + (if -1 == main_#t~ret12#1 then -1 else 1), main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_~pp~0#1.base, main_~pp~0#1.offset;havoc main_#t~mem13#1;havoc main_#t~ret12#1;" "call main_#t~mem8#1 := read~int#1(main_~qq~0#1.base, main_~qq~0#1.offset, 4);" "assume main_#t~mem8#1 > 1;havoc main_#t~mem8#1;" "call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int#0(main_~pp~0#1.base, main_~pp~0#1.offset, 4);" "assume !(main_#t~mem11#1 < 0);havoc main_#t~mem11#1;call main_#t~mem13#1 := read~int#1(main_~qq~0#1.base, main_~qq~0#1.offset, 4);" "call main_#t~ret12#1 := rec(main_~pp~0#1.base, main_~pp~0#1.offset);"< [2024-11-27 20:31:22,046 INFO L749 eck$LassoCheckResult]: Loop: "~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int#0(~op.base, ~op.offset, 4);" "assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int#0(~op.base, ~op.offset, 4);call write~int#0(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset);" "call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);"< [2024-11-27 20:31:22,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:31:22,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1562227006, now seen corresponding path program 2 times [2024-11-27 20:31:22,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:31:22,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955557536] [2024-11-27 20:31:22,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:31:22,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:31:22,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:31:22,109 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:31:22,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:31:22,161 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:31:22,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:31:22,162 INFO L85 PathProgramCache]: Analyzing trace with hash 29951, now seen corresponding path program 2 times [2024-11-27 20:31:22,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:31:22,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709036907] [2024-11-27 20:31:22,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:31:22,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:31:22,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:31:22,177 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:31:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:31:22,192 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:31:22,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:31:22,194 INFO L85 PathProgramCache]: Analyzing trace with hash -39116130, now seen corresponding path program 3 times [2024-11-27 20:31:22,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:31:22,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801118167] [2024-11-27 20:31:22,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:31:22,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:31:22,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:31:22,239 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:31:22,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:31:22,304 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:31:24,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-11-27 20:31:25,226 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 20:31:25,227 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 20:31:25,227 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 20:31:25,227 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 20:31:25,227 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 20:31:25,227 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:25,227 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 20:31:25,227 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 20:31:25,227 INFO L132 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11.i_Iteration4_Lasso [2024-11-27 20:31:25,227 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 20:31:25,227 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 20:31:25,232 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:25,240 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:25,602 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:25,605 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:25,608 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:25,610 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:25,613 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:25,615 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:25,621 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:25,624 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:25,629 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:25,631 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:25,634 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:25,636 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:25,639 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:25,642 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:25,645 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:25,647 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:25,651 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:25,655 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:25,657 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:25,660 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:25,665 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:25,668 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:25,671 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:25,673 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:25,676 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:25,678 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:31:26,478 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 20:31:26,478 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 20:31:26,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:26,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:26,480 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:31:26,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-27 20:31:26,502 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:31:26,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:31:26,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:31:26,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:31:26,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:31:26,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:31:26,520 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:31:26,520 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:31:26,521 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:31:26,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-11-27 20:31:26,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:26,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:26,535 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:31:26,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-27 20:31:26,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:31:26,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:31:26,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:31:26,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:31:26,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:31:26,560 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:31:26,560 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:31:26,571 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:31:26,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-11-27 20:31:26,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:26,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:26,584 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:31:26,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-27 20:31:26,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:31:26,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:31:26,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:31:26,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:31:26,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:31:26,610 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:31:26,610 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:31:26,616 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:31:26,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-11-27 20:31:26,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:26,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:26,632 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:31:26,635 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:31:26,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-27 20:31:26,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:31:26,653 INFO L203 nArgumentSynthesizer]: 16 stem disjuncts [2024-11-27 20:31:26,653 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-27 20:31:26,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:31:26,707 INFO L401 nArgumentSynthesizer]: We have 76 Motzkin's Theorem applications. [2024-11-27 20:31:26,708 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-11-27 20:31:26,771 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:31:26,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-11-27 20:31:26,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:26,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:26,785 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:31:26,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-27 20:31:26,790 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:31:26,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:31:26,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:31:26,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:31:26,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:31:26,807 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:31:26,807 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:31:26,810 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:31:26,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-11-27 20:31:26,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:26,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:26,822 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:31:26,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-27 20:31:26,826 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:31:26,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:31:26,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:31:26,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:31:26,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:31:26,849 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:31:26,849 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:31:26,861 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 20:31:26,889 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-11-27 20:31:26,889 INFO L444 ModelExtractionUtils]: 1 out of 16 variables were initially zero. Simplification set additionally 12 variables to zero. [2024-11-27 20:31:26,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:31:26,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:26,892 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:31:26,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-27 20:31:26,898 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 20:31:26,915 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-27 20:31:26,915 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 20:31:26,915 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 rec_#in~op.base) rec_#in~op.offset)_2) = 2*v_rep(select (select #memory_int#0 rec_#in~op.base) rec_#in~op.offset)_2 + 1 Supporting invariants [] [2024-11-27 20:31:26,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2024-11-27 20:31:26,933 INFO L156 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2024-11-27 20:31:26,934 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-27 20:31:26,935 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-27 20:31:26,935 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[#in~op!base,]]] [2024-11-27 20:31:26,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:31:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:31:27,007 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 20:31:27,009 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:31:27,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:31:27,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-27 20:31:27,182 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:31:27,225 INFO L349 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2024-11-27 20:31:27,225 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 35 [2024-11-27 20:31:27,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:31:27,248 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2024-11-27 20:31:27,249 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 49 transitions. cyclomatic complexity: 12 Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:31:27,329 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 49 transitions. cyclomatic complexity: 12. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 48 states and 56 transitions. Complement of second has 14 states. [2024-11-27 20:31:27,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-27 20:31:27,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:31:27,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2024-11-27 20:31:27,333 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 23 letters. Loop has 3 letters. [2024-11-27 20:31:27,334 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:31:27,334 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 20:31:27,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:31:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:31:27,408 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 20:31:27,409 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:31:27,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:31:27,565 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-27 20:31:27,566 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:31:27,619 INFO L349 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2024-11-27 20:31:27,620 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 35 [2024-11-27 20:31:27,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:31:27,642 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 3 loop predicates [2024-11-27 20:31:27,642 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 49 transitions. cyclomatic complexity: 12 Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:31:27,719 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 49 transitions. cyclomatic complexity: 12. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 48 states and 56 transitions. Complement of second has 14 states. [2024-11-27 20:31:27,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-27 20:31:27,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:31:27,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2024-11-27 20:31:27,725 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 23 letters. Loop has 3 letters. [2024-11-27 20:31:27,726 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:31:27,726 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 20:31:27,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:31:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:31:27,811 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 20:31:27,814 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:31:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:31:27,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-27 20:31:27,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:31:28,035 INFO L349 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2024-11-27 20:31:28,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 35 [2024-11-27 20:31:28,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:31:28,061 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2024-11-27 20:31:28,062 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 49 transitions. cyclomatic complexity: 12 Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:31:28,180 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 49 transitions. cyclomatic complexity: 12. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 63 states and 72 transitions. Complement of second has 15 states. [2024-11-27 20:31:28,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-27 20:31:28,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:31:28,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 22 transitions. [2024-11-27 20:31:28,183 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 23 letters. Loop has 3 letters. [2024-11-27 20:31:28,184 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:31:28,184 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 26 letters. Loop has 3 letters. [2024-11-27 20:31:28,184 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:31:28,184 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 23 letters. Loop has 6 letters. [2024-11-27 20:31:28,184 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:31:28,184 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 72 transitions. [2024-11-27 20:31:28,187 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-27 20:31:28,187 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 0 states and 0 transitions. [2024-11-27 20:31:28,187 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-27 20:31:28,187 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-27 20:31:28,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-27 20:31:28,187 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 20:31:28,187 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 20:31:28,187 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 20:31:28,187 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 20:31:28,188 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-27 20:31:28,188 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-27 20:31:28,188 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-27 20:31:28,188 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-27 20:31:28,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.11 08:31:28 BoogieIcfgContainer [2024-11-27 20:31:28,197 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-27 20:31:28,198 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:31:28,198 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:31:28,198 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:31:28,199 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:31:11" (3/4) ... [2024-11-27 20:31:28,201 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-27 20:31:28,202 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:31:28,203 INFO L158 Benchmark]: Toolchain (without parser) took 17271.74ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 92.4MB in the beginning and 197.7MB in the end (delta: -105.3MB). Peak memory consumption was 125.8MB. Max. memory is 16.1GB. [2024-11-27 20:31:28,203 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 167.8MB. Free memory is still 101.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:31:28,203 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.45ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 81.8MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:31:28,204 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.65ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:31:28,204 INFO L158 Benchmark]: Boogie Preprocessor took 36.30ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:31:28,204 INFO L158 Benchmark]: RCFGBuilder took 371.24ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 68.0MB in the end (delta: 11.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 20:31:28,206 INFO L158 Benchmark]: BuchiAutomizer took 16593.68ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 68.0MB in the beginning and 197.7MB in the end (delta: -129.8MB). Peak memory consumption was 100.6MB. Max. memory is 16.1GB. [2024-11-27 20:31:28,206 INFO L158 Benchmark]: Witness Printer took 4.43ms. Allocated memory is still 352.3MB. Free memory was 197.7MB in the beginning and 197.7MB in the end (delta: 72.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:31:28,208 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 167.8MB. Free memory is still 101.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.45ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 81.8MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.65ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.30ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 371.24ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 68.0MB in the end (delta: 11.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 16593.68ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 68.0MB in the beginning and 197.7MB in the end (delta: -129.8MB). Peak memory consumption was 100.6MB. Max. memory is 16.1GB. * Witness Printer took 4.43ms. Allocated memory is still 352.3MB. Free memory was 197.7MB in the beginning and 197.7MB in the end (delta: 72.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~qq~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[#in~op!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[#in~op!base,]]] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (1 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function null and consists of 14 locations. One deterministic module has affine ranking function null and consists of 6 locations. One nondeterministic module has affine ranking function null and consists of 6 locations. 1 modules have a trivial ranking function, the largest among these consists of 14 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 16.5s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 12.8s. Construction of modules took 0.4s. Büchi inclusion checks took 3.0s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 11 StatesRemovedByMinimization, 1 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, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/4 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 68 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 65 mSDsluCounter, 209 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 144 mSDsCounter, 54 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 249 IncrementalHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 54 mSolverCounterUnsat, 65 mSDtfsCounter, 249 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital242 mio100 ax100 hnf100 lsp100 ukn49 mio100 lsp34 div100 bol100 ite100 ukn100 eq166 hnf92 smp100 dnf405 smp72 tf100 neg100 sie129 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 143ms VariablesStem: 5 VariablesLoop: 2 DisjunctsStem: 16 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 76 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-27 20:31:28,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-11-27 20:31:28,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-27 20:31:28,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9ea32c8-cb50-4782-881b-8e7135104dba/bin/uautomizer-verify-aQ6SnzHsRB/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