./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/b.03-no-inv_assume.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c91c337d-6f14-4047-944a-b01b948b8ec5/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c91c337d-6f14-4047-944a-b01b948b8ec5/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c91c337d-6f14-4047-944a-b01b948b8ec5/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c91c337d-6f14-4047-944a-b01b948b8ec5/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/b.03-no-inv_assume.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c91c337d-6f14-4047-944a-b01b948b8ec5/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c91c337d-6f14-4047-944a-b01b948b8ec5/bin/uautomizer-verify-BQ2R08f2Ya --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 f77ac7021b9516a822c02fb2f9337d0a1ab6f10aeb906e4a3e0cf008997a431e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:32:28,240 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:32:28,314 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c91c337d-6f14-4047-944a-b01b948b8ec5/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-29 06:32:28,320 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:32:28,321 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:32:28,349 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:32:28,350 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:32:28,350 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:32:28,351 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:32:28,352 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:32:28,353 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:32:28,353 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:32:28,354 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:32:28,354 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-29 06:32:28,355 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-29 06:32:28,355 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-29 06:32:28,356 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-29 06:32:28,357 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-29 06:32:28,357 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-29 06:32:28,358 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:32:28,358 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-29 06:32:28,360 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:32:28,361 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:32:28,362 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-29 06:32:28,362 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-29 06:32:28,363 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-29 06:32:28,363 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 06:32:28,364 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:32:28,364 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-29 06:32:28,365 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:32:28,365 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:32:28,365 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:32:28,366 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:32:28,366 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:32:28,367 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-29 06:32:28,367 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_c91c337d-6f14-4047-944a-b01b948b8ec5/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c91c337d-6f14-4047-944a-b01b948b8ec5/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f77ac7021b9516a822c02fb2f9337d0a1ab6f10aeb906e4a3e0cf008997a431e [2023-11-29 06:32:28,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:32:28,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:32:28,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:32:28,632 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:32:28,632 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:32:28,634 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c91c337d-6f14-4047-944a-b01b948b8ec5/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/termination-restricted-15/b.03-no-inv_assume.c [2023-11-29 06:32:31,436 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:32:31,604 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:32:31,604 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c91c337d-6f14-4047-944a-b01b948b8ec5/sv-benchmarks/c/termination-restricted-15/b.03-no-inv_assume.c [2023-11-29 06:32:31,611 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c91c337d-6f14-4047-944a-b01b948b8ec5/bin/uautomizer-verify-BQ2R08f2Ya/data/d982aea16/2cf5e0e4b33c4f3ea5a2eac29a62cdbb/FLAGbbb65cc1c [2023-11-29 06:32:31,625 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c91c337d-6f14-4047-944a-b01b948b8ec5/bin/uautomizer-verify-BQ2R08f2Ya/data/d982aea16/2cf5e0e4b33c4f3ea5a2eac29a62cdbb [2023-11-29 06:32:31,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:32:31,629 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:32:31,631 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:32:31,631 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:32:31,636 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:32:31,636 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:32:31" (1/1) ... [2023-11-29 06:32:31,638 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66f3b3f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:31, skipping insertion in model container [2023-11-29 06:32:31,638 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:32:31" (1/1) ... [2023-11-29 06:32:31,656 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:32:31,772 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:32:31,777 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:32:31,787 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:32:31,798 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:32:31,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:31 WrapperNode [2023-11-29 06:32:31,799 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:32:31,800 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:32:31,800 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:32:31,800 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:32:31,806 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:31" (1/1) ... [2023-11-29 06:32:31,810 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:31" (1/1) ... [2023-11-29 06:32:31,823 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2023-11-29 06:32:31,823 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:32:31,824 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:32:31,825 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:32:31,825 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:32:31,833 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:31" (1/1) ... [2023-11-29 06:32:31,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:31" (1/1) ... [2023-11-29 06:32:31,834 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:31" (1/1) ... [2023-11-29 06:32:31,839 INFO L175 MemorySlicer]: No memory access in input program. [2023-11-29 06:32:31,839 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:31" (1/1) ... [2023-11-29 06:32:31,839 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:31" (1/1) ... [2023-11-29 06:32:31,841 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:31" (1/1) ... [2023-11-29 06:32:31,843 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:31" (1/1) ... [2023-11-29 06:32:31,844 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:31" (1/1) ... [2023-11-29 06:32:31,845 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:31" (1/1) ... [2023-11-29 06:32:31,846 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:32:31,846 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:32:31,847 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:32:31,847 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:32:31,847 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:31" (1/1) ... [2023-11-29 06:32:31,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:32:31,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c91c337d-6f14-4047-944a-b01b948b8ec5/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:32:31,873 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c91c337d-6f14-4047-944a-b01b948b8ec5/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:32:31,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c91c337d-6f14-4047-944a-b01b948b8ec5/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-29 06:32:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:32:31,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:32:31,990 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:32:31,992 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:32:32,045 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:32:32,055 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:32:32,055 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 06:32:32,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:32:32 BoogieIcfgContainer [2023-11-29 06:32:32,058 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:32:32,059 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-29 06:32:32,059 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-29 06:32:32,062 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-29 06:32:32,063 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 06:32:32,063 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 06:32:31" (1/3) ... [2023-11-29 06:32:32,064 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17647c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 06:32:32, skipping insertion in model container [2023-11-29 06:32:32,064 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 06:32:32,065 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:32:31" (2/3) ... [2023-11-29 06:32:32,065 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17647c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 06:32:32, skipping insertion in model container [2023-11-29 06:32:32,065 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 06:32:32,065 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:32:32" (3/3) ... [2023-11-29 06:32:32,067 INFO L332 chiAutomizerObserver]: Analyzing ICFG b.03-no-inv_assume.c [2023-11-29 06:32:32,116 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-29 06:32:32,116 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-29 06:32:32,116 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-29 06:32:32,116 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-29 06:32:32,116 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-29 06:32:32,116 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-29 06:32:32,117 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-29 06:32:32,117 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-29 06:32:32,120 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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) [2023-11-29 06:32:32,136 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-29 06:32:32,137 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:32:32,137 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:32:32,141 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-29 06:32:32,141 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-29 06:32:32,141 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-29 06:32:32,142 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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) [2023-11-29 06:32:32,142 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-29 06:32:32,143 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:32:32,143 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:32:32,143 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-29 06:32:32,143 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-29 06:32:32,149 INFO L748 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 2#L9true assume main_~x~0#1 > 0; 4#L10-2true [2023-11-29 06:32:32,149 INFO L750 eck$LassoCheckResult]: Loop: 4#L10-2true assume !!(main_~x~0#1 > main_~y~0#1 && main_~y~0#1 <= 2147483647 - main_~x~0#1);main_~y~0#1 := main_~y~0#1 + main_~x~0#1; 4#L10-2true [2023-11-29 06:32:32,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:32:32,154 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2023-11-29 06:32:32,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:32:32,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417222641] [2023-11-29 06:32:32,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:32:32,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:32:32,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:32:32,239 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:32:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:32:32,259 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:32:32,263 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:32:32,263 INFO L85 PathProgramCache]: Analyzing trace with hash 45, now seen corresponding path program 1 times [2023-11-29 06:32:32,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:32:32,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575156235] [2023-11-29 06:32:32,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:32:32,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:32:32,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:32:32,280 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:32:32,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:32:32,288 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:32:32,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:32:32,289 INFO L85 PathProgramCache]: Analyzing trace with hash 925612, now seen corresponding path program 1 times [2023-11-29 06:32:32,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:32:32,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330288458] [2023-11-29 06:32:32,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:32:32,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:32:32,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:32:32,296 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:32:32,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:32:32,302 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:32:32,384 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 06:32:32,385 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 06:32:32,385 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 06:32:32,385 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 06:32:32,385 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 06:32:32,385 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:32:32,385 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 06:32:32,386 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 06:32:32,386 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.03-no-inv_assume.c_Iteration1_Lasso [2023-11-29 06:32:32,386 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 06:32:32,386 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 06:32:32,405 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:32:32,419 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:32:32,433 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:32:32,437 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:32:32,440 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:32:32,445 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:32:32,519 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 06:32:32,520 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 06:32:32,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:32:32,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c91c337d-6f14-4047-944a-b01b948b8ec5/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:32:32,528 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c91c337d-6f14-4047-944a-b01b948b8ec5/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:32:32,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c91c337d-6f14-4047-944a-b01b948b8ec5/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-29 06:32:32,542 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:32:32,542 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:32:32,568 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 06:32:32,568 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 06:32:32,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c91c337d-6f14-4047-944a-b01b948b8ec5/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-11-29 06:32:32,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:32:32,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c91c337d-6f14-4047-944a-b01b948b8ec5/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:32:32,575 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c91c337d-6f14-4047-944a-b01b948b8ec5/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:32:32,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c91c337d-6f14-4047-944a-b01b948b8ec5/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-29 06:32:32,578 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:32:32,578 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:32:32,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c91c337d-6f14-4047-944a-b01b948b8ec5/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-29 06:32:32,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:32:32,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c91c337d-6f14-4047-944a-b01b948b8ec5/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:32:32,606 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c91c337d-6f14-4047-944a-b01b948b8ec5/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:32:32,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c91c337d-6f14-4047-944a-b01b948b8ec5/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-29 06:32:32,633 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 06:32:32,634 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:32:32,656 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 06:32:32,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c91c337d-6f14-4047-944a-b01b948b8ec5/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-29 06:32:32,660 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 06:32:32,660 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 06:32:32,661 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 06:32:32,661 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 06:32:32,661 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 06:32:32,661 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:32:32,661 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 06:32:32,661 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 06:32:32,661 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.03-no-inv_assume.c_Iteration1_Lasso [2023-11-29 06:32:32,661 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 06:32:32,661 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 06:32:32,664 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:32:32,668 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:32:32,688 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:32:32,691 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:32:32,693 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:32:32,696 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:32:32,753 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 06:32:32,758 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 06:32:32,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:32:32,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c91c337d-6f14-4047-944a-b01b948b8ec5/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:32:32,760 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c91c337d-6f14-4047-944a-b01b948b8ec5/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:32:32,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c91c337d-6f14-4047-944a-b01b948b8ec5/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-29 06:32:32,763 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 [2023-11-29 06:32:32,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:32:32,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:32:32,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:32:32,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:32:32,782 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:32:32,782 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:32:32,792 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:32:32,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c91c337d-6f14-4047-944a-b01b948b8ec5/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-11-29 06:32:32,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:32:32,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c91c337d-6f14-4047-944a-b01b948b8ec5/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:32:32,797 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c91c337d-6f14-4047-944a-b01b948b8ec5/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:32:32,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c91c337d-6f14-4047-944a-b01b948b8ec5/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-29 06:32:32,800 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 [2023-11-29 06:32:32,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:32:32,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:32:32,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:32:32,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:32:32,816 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:32:32,817 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:32:32,828 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 06:32:32,855 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-29 06:32:32,855 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2023-11-29 06:32:32,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:32:32,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c91c337d-6f14-4047-944a-b01b948b8ec5/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:32:32,877 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c91c337d-6f14-4047-944a-b01b948b8ec5/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:32:32,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c91c337d-6f14-4047-944a-b01b948b8ec5/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-29 06:32:32,879 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 06:32:32,891 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-29 06:32:32,891 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 06:32:32,892 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_~x~0#1) = -2147483648*ULTIMATE.start_main_~y~0#1 + 2147483647*ULTIMATE.start_main_~x~0#1 Supporting invariants [1*ULTIMATE.start_main_~x~0#1 - 1 >= 0] [2023-11-29 06:32:32,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c91c337d-6f14-4047-944a-b01b948b8ec5/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-11-29 06:32:32,902 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-11-29 06:32:32,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:32:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:32:32,954 WARN L260 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:32:32,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:32:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:32:32,970 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 06:32:32,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:32:32,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:32:33,005 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-11-29 06:32:33,008 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2023-11-29 06:32:33,064 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 19 states and 22 transitions. Complement of second has 6 states. [2023-11-29 06:32:33,066 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 [2023-11-29 06:32:33,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2023-11-29 06:32:33,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2023-11-29 06:32:33,073 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 3 letters. Loop has 1 letters. [2023-11-29 06:32:33,074 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:32:33,074 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 4 letters. Loop has 1 letters. [2023-11-29 06:32:33,075 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:32:33,075 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 3 letters. Loop has 2 letters. [2023-11-29 06:32:33,075 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:32:33,076 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 22 transitions. [2023-11-29 06:32:33,078 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 06:32:33,081 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2023-11-29 06:32:33,082 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-29 06:32:33,082 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-29 06:32:33,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-29 06:32:33,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:32:33,083 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 06:32:33,083 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 06:32:33,083 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 06:32:33,083 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-29 06:32:33,083 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-29 06:32:33,083 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 06:32:33,083 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-29 06:32:33,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 06:32:33 BoogieIcfgContainer [2023-11-29 06:32:33,091 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-29 06:32:33,091 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:32:33,091 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:32:33,092 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:32:33,092 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:32:32" (3/4) ... [2023-11-29 06:32:33,094 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 06:32:33,095 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:32:33,096 INFO L158 Benchmark]: Toolchain (without parser) took 1466.20ms. Allocated memory was 151.0MB in the beginning and 199.2MB in the end (delta: 48.2MB). Free memory was 113.3MB in the beginning and 149.6MB in the end (delta: -36.3MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2023-11-29 06:32:33,096 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 151.0MB. Free memory was 93.9MB in the beginning and 93.7MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:32:33,097 INFO L158 Benchmark]: CACSL2BoogieTranslator took 168.64ms. Allocated memory is still 151.0MB. Free memory was 113.1MB in the beginning and 103.7MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 06:32:33,098 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.74ms. Allocated memory is still 151.0MB. Free memory was 103.7MB in the beginning and 102.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:32:33,098 INFO L158 Benchmark]: Boogie Preprocessor took 21.43ms. Allocated memory is still 151.0MB. Free memory was 102.2MB in the beginning and 101.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:32:33,099 INFO L158 Benchmark]: RCFGBuilder took 211.24ms. Allocated memory is still 151.0MB. Free memory was 101.1MB in the beginning and 92.8MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 06:32:33,100 INFO L158 Benchmark]: BuchiAutomizer took 1031.94ms. Allocated memory was 151.0MB in the beginning and 199.2MB in the end (delta: 48.2MB). Free memory was 92.8MB in the beginning and 150.7MB in the end (delta: -57.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:32:33,100 INFO L158 Benchmark]: Witness Printer took 3.56ms. Allocated memory is still 199.2MB. Free memory was 150.7MB in the beginning and 149.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:32:33,104 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 151.0MB. Free memory was 93.9MB in the beginning and 93.7MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 168.64ms. Allocated memory is still 151.0MB. Free memory was 113.1MB in the beginning and 103.7MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.74ms. Allocated memory is still 151.0MB. Free memory was 103.7MB in the beginning and 102.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.43ms. Allocated memory is still 151.0MB. Free memory was 102.2MB in the beginning and 101.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 211.24ms. Allocated memory is still 151.0MB. Free memory was 101.1MB in the beginning and 92.8MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1031.94ms. Allocated memory was 151.0MB in the beginning and 199.2MB in the end (delta: 48.2MB). Free memory was 92.8MB in the beginning and 150.7MB in the end (delta: -57.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.56ms. Allocated memory is still 199.2MB. Free memory was 150.7MB in the beginning and 149.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function ((-2147483648 * y) + (2147483647 * x)) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 9 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax168 hnf100 lsp59 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq131 hnf95 smp100 dnf100 smp100 tf100 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 33ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-29 06:32:33,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c91c337d-6f14-4047-944a-b01b948b8ec5/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-29 06:32:33,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c91c337d-6f14-4047-944a-b01b948b8ec5/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE