./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/cstrncpy-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/cstrncpy-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu --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 622be1b3eef6dc4115831119df649831bce3bb8c1af72664b1e935607db97d0c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:05:12,183 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:05:12,336 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-19 08:05:12,345 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:05:12,347 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:05:12,392 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:05:12,394 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:05:12,395 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:05:12,397 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:05:12,402 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:05:12,403 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:05:12,404 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 08:05:12,404 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 08:05:12,406 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 08:05:12,407 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 08:05:12,408 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 08:05:12,408 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 08:05:12,409 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:05:12,410 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 08:05:12,410 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:05:12,411 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:05:12,412 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 08:05:12,412 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 08:05:12,413 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 08:05:12,413 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:05:12,414 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:05:12,415 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 08:05:12,415 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:05:12,416 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:05:12,416 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:05:12,426 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:05:12,426 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:05:12,427 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 08:05:12,428 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 622be1b3eef6dc4115831119df649831bce3bb8c1af72664b1e935607db97d0c [2023-11-19 08:05:12,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:05:12,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:05:12,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:05:12,802 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:05:12,803 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:05:12,804 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/termination-memory-alloca/cstrncpy-alloca-1.i [2023-11-19 08:05:16,035 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:05:16,349 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:05:16,350 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/sv-benchmarks/c/termination-memory-alloca/cstrncpy-alloca-1.i [2023-11-19 08:05:16,364 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/data/b33e0eef7/91d833b48dc24a8c82271330f6e5be10/FLAG19e35bc21 [2023-11-19 08:05:16,378 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/data/b33e0eef7/91d833b48dc24a8c82271330f6e5be10 [2023-11-19 08:05:16,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:05:16,382 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:05:16,384 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:05:16,384 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:05:16,390 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:05:16,391 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:16" (1/1) ... [2023-11-19 08:05:16,393 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de6372f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:16, skipping insertion in model container [2023-11-19 08:05:16,393 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:16" (1/1) ... [2023-11-19 08:05:16,450 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:05:16,763 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:05:16,779 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:05:16,826 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:05:16,859 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:05:16,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:16 WrapperNode [2023-11-19 08:05:16,860 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:05:16,861 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:05:16,862 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:05:16,862 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:05:16,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:16" (1/1) ... [2023-11-19 08:05:16,886 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:16" (1/1) ... [2023-11-19 08:05:16,911 INFO L138 Inliner]: procedures = 111, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2023-11-19 08:05:16,912 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:05:16,913 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:05:16,913 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:05:16,913 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:05:16,924 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:16" (1/1) ... [2023-11-19 08:05:16,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:16" (1/1) ... [2023-11-19 08:05:16,928 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:16" (1/1) ... [2023-11-19 08:05:16,928 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:16" (1/1) ... [2023-11-19 08:05:16,947 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:16" (1/1) ... [2023-11-19 08:05:16,953 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:16" (1/1) ... [2023-11-19 08:05:16,958 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:16" (1/1) ... [2023-11-19 08:05:16,965 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:16" (1/1) ... [2023-11-19 08:05:16,968 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:05:16,973 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:05:16,973 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:05:16,974 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:05:16,974 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:16" (1/1) ... [2023-11-19 08:05:16,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:05:16,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:17,010 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:17,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 08:05:17,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 08:05:17,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 08:05:17,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 08:05:17,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:05:17,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:05:17,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:05:17,197 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:05:17,200 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:05:17,379 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:05:17,388 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:05:17,388 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 08:05:17,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:17 BoogieIcfgContainer [2023-11-19 08:05:17,392 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:05:17,394 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 08:05:17,394 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 08:05:17,399 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 08:05:17,400 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 08:05:17,400 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 08:05:16" (1/3) ... [2023-11-19 08:05:17,402 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@62b53609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 08:05:17, skipping insertion in model container [2023-11-19 08:05:17,402 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 08:05:17,408 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:16" (2/3) ... [2023-11-19 08:05:17,409 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@62b53609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 08:05:17, skipping insertion in model container [2023-11-19 08:05:17,409 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 08:05:17,409 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:17" (3/3) ... [2023-11-19 08:05:17,411 INFO L332 chiAutomizerObserver]: Analyzing ICFG cstrncpy-alloca-1.i [2023-11-19 08:05:17,497 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 08:05:17,499 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 08:05:17,500 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 08:05:17,500 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 08:05:17,500 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 08:05:17,500 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 08:05:17,501 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 08:05:17,501 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 08:05:17,508 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 13 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:05:17,533 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-11-19 08:05:17,533 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:05:17,533 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:05:17,540 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-19 08:05:17,541 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-19 08:05:17,542 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 08:05:17,542 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 13 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:05:17,547 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-11-19 08:05:17,548 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:05:17,548 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:05:17,548 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-19 08:05:17,549 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-19 08:05:17,560 INFO L748 eck$LassoCheckResult]: Stem: 12#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~length~0#1, main_~n~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;havoc main_#t~nondet8#1;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;main_~n~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 14#L568true assume !(main_~length~0#1 < 1); 13#L568-2true assume !(main_~n~0#1 < 1); 9#L571-1true call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~0#1 % 18446744073709551616);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 18446744073709551616);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrncpy } true;cstrncpy_#in~s1#1.base, cstrncpy_#in~s1#1.offset, cstrncpy_#in~s2#1.base, cstrncpy_#in~s2#1.offset, cstrncpy_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_~n~0#1;havoc cstrncpy_#res#1.base, cstrncpy_#res#1.offset;havoc cstrncpy_#t~post2#1, cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset, cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset, cstrncpy_#t~mem5#1, cstrncpy_#t~post7#1.base, cstrncpy_#t~post7#1.offset, cstrncpy_#t~post6#1, cstrncpy_~s1#1.base, cstrncpy_~s1#1.offset, cstrncpy_~s2#1.base, cstrncpy_~s2#1.offset, cstrncpy_~n#1, cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset, cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset, cstrncpy_~us~0#1.base, cstrncpy_~us~0#1.offset, cstrncpy_~n2~0#1;cstrncpy_~s1#1.base, cstrncpy_~s1#1.offset := cstrncpy_#in~s1#1.base, cstrncpy_#in~s1#1.offset;cstrncpy_~s2#1.base, cstrncpy_~s2#1.offset := cstrncpy_#in~s2#1.base, cstrncpy_#in~s2#1.offset;cstrncpy_~n#1 := cstrncpy_#in~n#1;cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset := cstrncpy_~s1#1.base, cstrncpy_~s1#1.offset;cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset := cstrncpy_~s2#1.base, cstrncpy_~s2#1.offset;havoc cstrncpy_~us~0#1.base, cstrncpy_~us~0#1.offset;havoc cstrncpy_~n2~0#1; 6#L553-2true [2023-11-19 08:05:17,560 INFO L750 eck$LassoCheckResult]: Loop: 6#L553-2true assume !!(cstrncpy_~n#1 > 0);cstrncpy_#t~post2#1 := cstrncpy_~n#1;cstrncpy_~n#1 := cstrncpy_#t~post2#1 - 1;havoc cstrncpy_#t~post2#1;cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset := cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset;cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset := cstrncpy_#t~post3#1.base, 1 + cstrncpy_#t~post3#1.offset;cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset := cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset;cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset := cstrncpy_#t~post4#1.base, 1 + cstrncpy_#t~post4#1.offset;call cstrncpy_#t~mem5#1 := read~int(cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset, 1);call write~int(cstrncpy_#t~mem5#1, cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset, 1); 10#L555true assume !(0 == cstrncpy_#t~mem5#1);havoc cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset;havoc cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset;havoc cstrncpy_#t~mem5#1; 6#L553-2true [2023-11-19 08:05:17,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:17,574 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2023-11-19 08:05:17,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:17,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969689907] [2023-11-19 08:05:17,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:17,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:17,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:05:17,763 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:05:17,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:05:17,863 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:05:17,867 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:17,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1747, now seen corresponding path program 1 times [2023-11-19 08:05:17,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:17,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239011278] [2023-11-19 08:05:17,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:17,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:05:17,887 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:05:17,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:05:17,902 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:05:17,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:17,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935768, now seen corresponding path program 1 times [2023-11-19 08:05:17,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:17,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353026241] [2023-11-19 08:05:17,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:17,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:17,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:05:17,999 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:05:18,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:05:18,104 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:05:19,474 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 08:05:19,474 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 08:05:19,474 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 08:05:19,475 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 08:05:19,475 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 08:05:19,475 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:05:19,475 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 08:05:19,475 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 08:05:19,475 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncpy-alloca-1.i_Iteration1_Lasso [2023-11-19 08:05:19,475 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 08:05:19,476 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 08:05:19,507 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:20,530 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:20,533 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:20,536 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:20,539 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:20,543 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:20,552 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:20,555 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:20,558 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:20,561 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:20,565 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:20,568 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:20,570 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:20,572 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:20,575 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:20,578 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:20,581 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:20,583 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:20,586 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:20,588 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:20,591 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:20,594 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:20,597 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:20,600 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:20,604 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:20,606 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:20,610 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:20,614 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:20,617 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:20,620 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:20,623 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:21,435 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 08:05:21,444 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 08:05:21,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:05:21,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:21,449 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:21,460 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 [2023-11-19 08:05:21,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-19 08:05:21,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:05:21,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:05:21,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:05:21,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:05:21,516 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:05:21,517 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:05:21,556 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 08:05:21,681 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2023-11-19 08:05:21,681 INFO L444 ModelExtractionUtils]: 13 out of 37 variables were initially zero. Simplification set additionally 22 variables to zero. [2023-11-19 08:05:21,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:05:21,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:21,726 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:21,739 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 08:05:21,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-19 08:05:21,764 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-19 08:05:21,765 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 08:05:21,765 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncpy_~n#1) = 1*ULTIMATE.start_cstrncpy_~n#1 Supporting invariants [] [2023-11-19 08:05:21,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:21,873 INFO L156 tatePredicateManager]: 15 out of 15 supporting invariants were superfluous and have been removed [2023-11-19 08:05:21,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:21,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 08:05:21,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:21,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 08:05:21,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:21,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:05:22,038 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-19 08:05:22,042 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 13 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:05:22,092 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 13 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 37 transitions. Complement of second has 6 states. [2023-11-19 08:05:22,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-19 08:05:22,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:05:22,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2023-11-19 08:05:22,103 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 2 letters. [2023-11-19 08:05:22,104 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:05:22,104 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 7 letters. Loop has 2 letters. [2023-11-19 08:05:22,104 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:05:22,104 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 4 letters. [2023-11-19 08:05:22,105 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:05:22,106 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 37 transitions. [2023-11-19 08:05:22,110 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-19 08:05:22,114 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 11 states and 14 transitions. [2023-11-19 08:05:22,115 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2023-11-19 08:05:22,116 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-19 08:05:22,116 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2023-11-19 08:05:22,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:05:22,117 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2023-11-19 08:05:22,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2023-11-19 08:05:22,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2023-11-19 08:05:22,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:05:22,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2023-11-19 08:05:22,148 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2023-11-19 08:05:22,148 INFO L428 stractBuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2023-11-19 08:05:22,149 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 08:05:22,149 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2023-11-19 08:05:22,150 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-19 08:05:22,150 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:05:22,150 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:05:22,150 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:05:22,150 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-19 08:05:22,151 INFO L748 eck$LassoCheckResult]: Stem: 151#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 152#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~length~0#1, main_~n~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;havoc main_#t~nondet8#1;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;main_~n~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 153#L568 assume !(main_~length~0#1 < 1); 154#L568-2 assume !(main_~n~0#1 < 1); 155#L571-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~0#1 % 18446744073709551616);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 18446744073709551616);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrncpy } true;cstrncpy_#in~s1#1.base, cstrncpy_#in~s1#1.offset, cstrncpy_#in~s2#1.base, cstrncpy_#in~s2#1.offset, cstrncpy_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_~n~0#1;havoc cstrncpy_#res#1.base, cstrncpy_#res#1.offset;havoc cstrncpy_#t~post2#1, cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset, cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset, cstrncpy_#t~mem5#1, cstrncpy_#t~post7#1.base, cstrncpy_#t~post7#1.offset, cstrncpy_#t~post6#1, cstrncpy_~s1#1.base, cstrncpy_~s1#1.offset, cstrncpy_~s2#1.base, cstrncpy_~s2#1.offset, cstrncpy_~n#1, cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset, cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset, cstrncpy_~us~0#1.base, cstrncpy_~us~0#1.offset, cstrncpy_~n2~0#1;cstrncpy_~s1#1.base, cstrncpy_~s1#1.offset := cstrncpy_#in~s1#1.base, cstrncpy_#in~s1#1.offset;cstrncpy_~s2#1.base, cstrncpy_~s2#1.offset := cstrncpy_#in~s2#1.base, cstrncpy_#in~s2#1.offset;cstrncpy_~n#1 := cstrncpy_#in~n#1;cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset := cstrncpy_~s1#1.base, cstrncpy_~s1#1.offset;cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset := cstrncpy_~s2#1.base, cstrncpy_~s2#1.offset;havoc cstrncpy_~us~0#1.base, cstrncpy_~us~0#1.offset;havoc cstrncpy_~n2~0#1; 150#L553-2 assume !!(cstrncpy_~n#1 > 0);cstrncpy_#t~post2#1 := cstrncpy_~n#1;cstrncpy_~n#1 := cstrncpy_#t~post2#1 - 1;havoc cstrncpy_#t~post2#1;cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset := cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset;cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset := cstrncpy_#t~post3#1.base, 1 + cstrncpy_#t~post3#1.offset;cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset := cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset;cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset := cstrncpy_#t~post4#1.base, 1 + cstrncpy_#t~post4#1.offset;call cstrncpy_#t~mem5#1 := read~int(cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset, 1);call write~int(cstrncpy_#t~mem5#1, cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset, 1); 146#L555 assume 0 == cstrncpy_#t~mem5#1;havoc cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset;havoc cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset;havoc cstrncpy_#t~mem5#1;cstrncpy_~us~0#1.base, cstrncpy_~us~0#1.offset := cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset;cstrncpy_~n2~0#1 := cstrncpy_~n#1; 148#L558-3 [2023-11-19 08:05:22,151 INFO L750 eck$LassoCheckResult]: Loop: 148#L558-3 cstrncpy_#t~post6#1 := cstrncpy_~n2~0#1;cstrncpy_~n2~0#1 := cstrncpy_#t~post6#1 - 1; 149#L558-1 assume !!(0 != cstrncpy_#t~post6#1);havoc cstrncpy_#t~post6#1;cstrncpy_#t~post7#1.base, cstrncpy_#t~post7#1.offset := cstrncpy_~us~0#1.base, cstrncpy_~us~0#1.offset;cstrncpy_~us~0#1.base, cstrncpy_~us~0#1.offset := cstrncpy_#t~post7#1.base, 1 + cstrncpy_#t~post7#1.offset;call write~int(0, cstrncpy_#t~post7#1.base, cstrncpy_#t~post7#1.offset, 1);havoc cstrncpy_#t~post7#1.base, cstrncpy_#t~post7#1.offset; 148#L558-3 [2023-11-19 08:05:22,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:22,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935753, now seen corresponding path program 1 times [2023-11-19 08:05:22,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:22,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774506118] [2023-11-19 08:05:22,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:22,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:22,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:05:22,193 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:05:22,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:05:22,225 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:05:22,226 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:22,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1990, now seen corresponding path program 1 times [2023-11-19 08:05:22,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:22,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569155993] [2023-11-19 08:05:22,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:22,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:22,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:05:22,241 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:05:22,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:05:22,248 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:05:22,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:22,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1298472078, now seen corresponding path program 1 times [2023-11-19 08:05:22,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:22,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070373852] [2023-11-19 08:05:22,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:22,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:05:22,291 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:05:22,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:05:22,325 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:05:23,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:23,924 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 08:05:23,924 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 08:05:23,924 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 08:05:23,924 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 08:05:23,925 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 08:05:23,925 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:05:23,925 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 08:05:23,925 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 08:05:23,925 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncpy-alloca-1.i_Iteration2_Lasso [2023-11-19 08:05:23,925 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 08:05:23,925 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 08:05:23,931 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:23,941 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:23,946 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:23,950 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:23,955 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:23,959 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:23,962 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:23,967 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:23,970 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:23,974 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:23,977 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:23,980 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:23,984 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:23,988 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:23,992 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:23,995 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:24,839 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:24,845 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:24,849 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:24,853 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:24,858 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:24,864 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:24,868 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:24,872 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:24,875 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:24,879 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:24,888 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:24,891 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:24,895 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:24,898 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:25,789 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 08:05:25,789 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 08:05:25,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:05:25,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:25,793 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:25,798 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 [2023-11-19 08:05:25,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-19 08:05:25,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:05:25,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:05:25,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:05:25,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:05:25,817 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:05:25,817 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:05:25,828 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:05:25,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-19 08:05:25,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:05:25,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:25,859 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:25,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-19 08:05:25,865 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 [2023-11-19 08:05:25,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:05:25,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:05:25,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:05:25,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:05:25,883 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:05:25,883 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:05:25,899 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:05:25,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:25,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:05:25,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:25,927 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:25,937 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 [2023-11-19 08:05:25,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-19 08:05:25,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:05:25,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:05:25,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:05:25,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:05:25,960 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:05:25,960 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:05:25,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:05:25,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:25,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:05:25,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:25,998 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:26,005 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 [2023-11-19 08:05:26,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-19 08:05:26,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:05:26,020 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:05:26,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:05:26,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:05:26,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:05:26,021 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:05:26,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:05:26,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:05:26,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:26,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:05:26,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:26,055 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:26,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-19 08:05:26,061 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 [2023-11-19 08:05:26,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:05:26,075 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:05:26,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:05:26,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:05:26,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:05:26,076 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:05:26,077 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:05:26,086 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:05:26,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:26,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:05:26,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:26,115 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:26,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-19 08:05:26,122 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 [2023-11-19 08:05:26,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:05:26,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:05:26,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:05:26,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:05:26,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:05:26,139 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:05:26,140 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:05:26,160 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:05:26,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:26,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:05:26,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:26,188 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:26,198 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 [2023-11-19 08:05:26,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-19 08:05:26,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:05:26,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:05:26,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:05:26,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:05:26,216 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:05:26,216 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:05:26,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:05:26,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:26,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:05:26,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:26,258 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:26,269 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 [2023-11-19 08:05:26,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:05:26,283 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:05:26,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:05:26,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:05:26,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:05:26,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-19 08:05:26,285 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:05:26,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:05:26,300 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:05:26,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:26,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:05:26,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:26,328 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:26,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-19 08:05:26,333 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 [2023-11-19 08:05:26,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:05:26,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:05:26,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:05:26,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:05:26,351 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:05:26,351 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:05:26,376 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:05:26,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:26,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:05:26,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:26,400 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:26,409 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 [2023-11-19 08:05:26,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-19 08:05:26,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:05:26,424 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:05:26,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:05:26,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:05:26,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:05:26,426 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:05:26,426 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:05:26,435 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:05:26,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:26,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:05:26,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:26,464 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:26,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-19 08:05:26,469 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 [2023-11-19 08:05:26,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:05:26,485 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:05:26,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:05:26,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:05:26,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:05:26,486 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:05:26,486 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:05:26,495 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:05:26,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:26,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:05:26,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:26,522 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:26,534 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 [2023-11-19 08:05:26,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-19 08:05:26,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:05:26,549 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:05:26,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:05:26,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:05:26,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:05:26,550 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:05:26,550 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:05:26,564 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:05:26,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:26,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:05:26,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:26,594 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:26,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-19 08:05:26,597 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 [2023-11-19 08:05:26,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:05:26,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:05:26,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:05:26,612 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:05:26,616 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:05:26,616 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:05:26,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:05:26,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:26,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:05:26,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:26,659 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:26,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-19 08:05:26,665 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 [2023-11-19 08:05:26,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:05:26,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:05:26,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:05:26,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:05:26,682 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:05:26,682 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:05:26,700 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:05:26,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:26,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:05:26,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:26,728 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:26,739 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 [2023-11-19 08:05:26,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-19 08:05:26,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:05:26,755 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:05:26,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:05:26,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:05:26,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:05:26,756 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:05:26,756 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:05:26,776 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:05:26,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:26,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:05:26,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:26,799 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:26,811 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 [2023-11-19 08:05:26,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:05:26,826 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:05:26,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:05:26,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:05:26,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:05:26,828 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:05:26,828 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:05:26,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-19 08:05:26,837 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:05:26,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:26,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:05:26,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:26,865 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:26,879 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 [2023-11-19 08:05:26,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-19 08:05:26,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:05:26,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:05:26,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:05:26,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:05:26,903 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:05:26,903 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:05:26,936 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:05:26,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:26,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:05:26,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:26,963 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:26,975 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:05:26,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-19 08:05:26,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:05:26,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:05:26,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:05:26,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:05:26,993 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:05:26,993 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:05:27,012 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:05:27,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:27,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:05:27,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:27,041 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:27,043 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 [2023-11-19 08:05:27,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-19 08:05:27,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:05:27,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:05:27,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:05:27,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:05:27,071 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:05:27,071 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:05:27,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:05:27,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:27,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:05:27,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:27,127 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:27,131 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 [2023-11-19 08:05:27,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-19 08:05:27,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:05:27,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:05:27,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:05:27,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:05:27,148 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:05:27,148 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:05:27,164 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:05:27,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:27,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:05:27,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:27,193 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:27,197 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 [2023-11-19 08:05:27,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-19 08:05:27,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:05:27,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:05:27,213 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-19 08:05:27,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:05:27,264 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-11-19 08:05:27,264 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-19 08:05:27,344 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 08:05:27,504 INFO L443 ModelExtractionUtils]: Simplification made 22 calls to the SMT solver. [2023-11-19 08:05:27,504 INFO L444 ModelExtractionUtils]: 20 out of 46 variables were initially zero. Simplification set additionally 23 variables to zero. [2023-11-19 08:05:27,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:05:27,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:27,506 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:27,509 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 08:05:27,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-19 08:05:27,551 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2023-11-19 08:05:27,551 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 08:05:27,551 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncpy_~us~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc10#1.base)_2) = -1*ULTIMATE.start_cstrncpy_~us~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc10#1.base)_2 Supporting invariants [] [2023-11-19 08:05:27,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:27,677 INFO L156 tatePredicateManager]: 15 out of 17 supporting invariants were superfluous and have been removed [2023-11-19 08:05:27,684 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc10!base] could not be translated [2023-11-19 08:05:27,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:27,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:27,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:27,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 08:05:27,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:27,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:27,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 08:05:27,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:27,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:05:27,807 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2023-11-19 08:05:27,807 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:05:27,843 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12 states and 16 transitions. Complement of second has 5 states. [2023-11-19 08:05:27,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-19 08:05:27,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:05:27,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2023-11-19 08:05:27,845 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 7 letters. Loop has 2 letters. [2023-11-19 08:05:27,845 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:05:27,845 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 9 letters. Loop has 2 letters. [2023-11-19 08:05:27,845 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:05:27,845 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 7 letters. Loop has 4 letters. [2023-11-19 08:05:27,846 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:05:27,846 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 16 transitions. [2023-11-19 08:05:27,847 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 08:05:27,847 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2023-11-19 08:05:27,847 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-19 08:05:27,847 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-19 08:05:27,848 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-19 08:05:27,848 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:05:27,848 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 08:05:27,848 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 08:05:27,848 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 08:05:27,848 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-19 08:05:27,848 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-19 08:05:27,849 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 08:05:27,849 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-19 08:05:27,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 08:05:27 BoogieIcfgContainer [2023-11-19 08:05:27,856 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 08:05:27,857 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:05:27,857 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:05:27,857 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:05:27,858 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:17" (3/4) ... [2023-11-19 08:05:27,860 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 08:05:27,861 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:05:27,862 INFO L158 Benchmark]: Toolchain (without parser) took 11479.67ms. Allocated memory was 180.4MB in the beginning and 228.6MB in the end (delta: 48.2MB). Free memory was 131.5MB in the beginning and 176.3MB in the end (delta: -44.8MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2023-11-19 08:05:27,862 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 180.4MB. Free memory is still 150.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:05:27,863 INFO L158 Benchmark]: CACSL2BoogieTranslator took 476.61ms. Allocated memory is still 180.4MB. Free memory was 131.2MB in the beginning and 115.6MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 08:05:27,863 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.57ms. Allocated memory is still 180.4MB. Free memory was 115.3MB in the beginning and 113.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:05:27,864 INFO L158 Benchmark]: Boogie Preprocessor took 59.14ms. Allocated memory is still 180.4MB. Free memory was 113.6MB in the beginning and 112.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:05:27,865 INFO L158 Benchmark]: RCFGBuilder took 419.91ms. Allocated memory is still 180.4MB. Free memory was 112.1MB in the beginning and 99.8MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 08:05:27,865 INFO L158 Benchmark]: BuchiAutomizer took 10462.92ms. Allocated memory was 180.4MB in the beginning and 228.6MB in the end (delta: 48.2MB). Free memory was 99.8MB in the beginning and 177.3MB in the end (delta: -77.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:05:27,866 INFO L158 Benchmark]: Witness Printer took 4.01ms. Allocated memory is still 228.6MB. Free memory is still 176.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:05:27,869 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 180.4MB. Free memory is still 150.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 476.61ms. Allocated memory is still 180.4MB. Free memory was 131.2MB in the beginning and 115.6MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.57ms. Allocated memory is still 180.4MB. Free memory was 115.3MB in the beginning and 113.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.14ms. Allocated memory is still 180.4MB. Free memory was 113.6MB in the beginning and 112.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 419.91ms. Allocated memory is still 180.4MB. Free memory was 112.1MB in the beginning and 99.8MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 10462.92ms. Allocated memory was 180.4MB in the beginning and 228.6MB in the end (delta: 48.2MB). Free memory was 99.8MB in the beginning and 177.3MB in the end (delta: -77.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.01ms. Allocated memory is still 228.6MB. Free memory is still 176.3MB. 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: ArrayAccessExpression #length[#t~malloc10!base] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function n and consists of 4 locations. One deterministic module has affine ranking function null and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 9.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 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, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 33 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 22 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital225 mio100 ax107 hnf100 lsp81 ukn92 mio100 lsp43 div162 bol100 ite100 ukn100 eq170 hnf91 smp74 dnf118 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 359ms VariablesStem: 10 VariablesLoop: 8 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 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! [2023-11-19 08:05:27,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac5380a-071e-4597-96d9-ddcd03efb823/bin/uautomizer-verify-uCwYo4JHxu/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