./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/mine2017-ex4.10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff 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_36506398-b68e-4670-a8ae-240588729c68/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36506398-b68e-4670-a8ae-240588729c68/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_36506398-b68e-4670-a8ae-240588729c68/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36506398-b68e-4670-a8ae-240588729c68/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/mine2017-ex4.10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36506398-b68e-4670-a8ae-240588729c68/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36506398-b68e-4670-a8ae-240588729c68/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 32bit --witnessprinter.graph.data.programhash 55b5907667de8828dab419c82ab626d27191191343b82d619fed89d8923b6a77 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:39:46,691 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:39:46,810 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36506398-b68e-4670-a8ae-240588729c68/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:39:46,816 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:39:46,817 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:39:46,860 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:39:46,860 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:39:46,861 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:39:46,862 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:39:46,869 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:39:46,871 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:39:46,871 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:39:46,872 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:39:46,874 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:39:46,874 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:39:46,874 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:39:46,875 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:39:46,876 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:39:46,876 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:39:46,877 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:39:46,877 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:39:46,878 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:39:46,878 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:39:46,878 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:39:46,879 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:39:46,879 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:39:46,880 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:39:46,880 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:39:46,881 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:39:46,881 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:39:46,882 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:39:46,883 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:39:46,883 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:39:46,883 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:39:46,883 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:39:46,884 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:39:46,884 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_36506398-b68e-4670-a8ae-240588729c68/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36506398-b68e-4670-a8ae-240588729c68/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55b5907667de8828dab419c82ab626d27191191343b82d619fed89d8923b6a77 [2023-11-19 07:39:47,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:39:47,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:39:47,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:39:47,210 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:39:47,211 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:39:47,212 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36506398-b68e-4670-a8ae-240588729c68/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/loop-lit/mine2017-ex4.10.i [2023-11-19 07:39:50,356 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:39:50,564 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:39:50,564 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36506398-b68e-4670-a8ae-240588729c68/sv-benchmarks/c/loop-lit/mine2017-ex4.10.i [2023-11-19 07:39:50,571 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36506398-b68e-4670-a8ae-240588729c68/bin/uautomizer-verify-uCwYo4JHxu/data/58343693b/8ec0014d114f417797a4b79206001b28/FLAGbc23a5eb2 [2023-11-19 07:39:50,584 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36506398-b68e-4670-a8ae-240588729c68/bin/uautomizer-verify-uCwYo4JHxu/data/58343693b/8ec0014d114f417797a4b79206001b28 [2023-11-19 07:39:50,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:39:50,588 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:39:50,590 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:39:50,590 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:39:50,596 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:39:50,600 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:50" (1/1) ... [2023-11-19 07:39:50,601 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6486a34d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:50, skipping insertion in model container [2023-11-19 07:39:50,602 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:50" (1/1) ... [2023-11-19 07:39:50,629 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:39:50,800 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:39:50,813 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:39:50,828 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:39:50,841 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:39:50,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:50 WrapperNode [2023-11-19 07:39:50,842 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:39:50,844 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:39:50,844 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:39:50,844 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:39:50,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:50" (1/1) ... [2023-11-19 07:39:50,859 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:50" (1/1) ... [2023-11-19 07:39:50,878 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 52 [2023-11-19 07:39:50,879 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:39:50,880 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:39:50,880 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:39:50,880 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:39:50,889 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:50" (1/1) ... [2023-11-19 07:39:50,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:50" (1/1) ... [2023-11-19 07:39:50,890 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:50" (1/1) ... [2023-11-19 07:39:50,891 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:50" (1/1) ... [2023-11-19 07:39:50,894 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:50" (1/1) ... [2023-11-19 07:39:50,898 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:50" (1/1) ... [2023-11-19 07:39:50,899 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:50" (1/1) ... [2023-11-19 07:39:50,900 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:50" (1/1) ... [2023-11-19 07:39:50,902 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:39:50,903 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:39:50,903 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:39:50,903 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:39:50,904 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:50" (1/1) ... [2023-11-19 07:39:50,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:39:50,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36506398-b68e-4670-a8ae-240588729c68/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:39:50,936 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36506398-b68e-4670-a8ae-240588729c68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:39:50,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36506398-b68e-4670-a8ae-240588729c68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:39:50,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:39:50,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:39:50,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:39:50,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:39:51,026 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:39:51,029 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:39:51,157 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:39:51,165 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:39:51,166 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:39:51,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:51 BoogieIcfgContainer [2023-11-19 07:39:51,169 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:39:51,171 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:39:51,171 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:39:51,175 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:39:51,176 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:39:51,176 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:39:50" (1/3) ... [2023-11-19 07:39:51,177 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@54d9642a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:39:51, skipping insertion in model container [2023-11-19 07:39:51,177 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:39:51,178 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:50" (2/3) ... [2023-11-19 07:39:51,178 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@54d9642a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:39:51, skipping insertion in model container [2023-11-19 07:39:51,178 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:39:51,178 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:51" (3/3) ... [2023-11-19 07:39:51,179 INFO L332 chiAutomizerObserver]: Analyzing ICFG mine2017-ex4.10.i [2023-11-19 07:39:51,235 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:39:51,235 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:39:51,235 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:39:51,235 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:39:51,236 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:39:51,236 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:39:51,236 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:39:51,236 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:39:51,240 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 26 states have internal predecessors, (36), 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 07:39:51,259 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2023-11-19 07:39:51,259 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:39:51,259 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:39:51,265 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-19 07:39:51,265 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-19 07:39:51,265 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:39:51,266 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 26 states have internal predecessors, (36), 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 07:39:51,269 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2023-11-19 07:39:51,269 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:39:51,269 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:39:51,269 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-19 07:39:51,270 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-19 07:39:51,278 INFO L748 eck$LassoCheckResult]: Stem: 25#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(23, 2); 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~v~0#1;main_~v~0#1 := 1; 26#L16-2true [2023-11-19 07:39:51,278 INFO L750 eck$LassoCheckResult]: Loop: 26#L16-2true assume !!(main_~v~0#1 <= 50);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~v~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 11#L13true assume !(0 == __VERIFIER_assert_~cond#1); 5#L13-3true havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_~v~0#1 := 2 + main_~v~0#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~v~0#1 <= 52 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 27#L13-4true assume !(0 == __VERIFIER_assert_~cond#1); 9#L13-7true havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true; 26#L16-2true [2023-11-19 07:39:51,285 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:51,285 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-19 07:39:51,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:51,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29888497] [2023-11-19 07:39:51,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:51,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:51,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:39:51,388 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:39:51,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:39:51,412 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:39:51,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:51,416 INFO L85 PathProgramCache]: Analyzing trace with hash 39559918, now seen corresponding path program 1 times [2023-11-19 07:39:51,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:51,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168517000] [2023-11-19 07:39:51,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:51,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:51,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:39:51,441 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:39:51,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:39:51,454 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:39:51,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:51,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1810999404, now seen corresponding path program 1 times [2023-11-19 07:39:51,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:51,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279045267] [2023-11-19 07:39:51,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:51,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:51,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:39:51,472 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:39:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:39:51,489 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:39:51,745 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:39:51,746 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:39:51,746 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:39:51,747 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:39:51,747 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 07:39:51,747 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:39:51,747 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:39:51,747 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:39:51,748 INFO L133 ssoRankerPreferences]: Filename of dumped script: mine2017-ex4.10.i_Iteration1_Loop [2023-11-19 07:39:51,748 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:39:51,748 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:39:51,764 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 07:39:51,774 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 07:39:51,785 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 07:39:51,826 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:39:51,827 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-19 07:39:51,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:39:51,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36506398-b68e-4670-a8ae-240588729c68/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:39:51,831 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36506398-b68e-4670-a8ae-240588729c68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:39:51,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36506398-b68e-4670-a8ae-240588729c68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-19 07:39:51,834 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:39:51,834 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:39:51,850 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:39:51,850 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Honda state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:39:51,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36506398-b68e-4670-a8ae-240588729c68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:39:51,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:39:51,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36506398-b68e-4670-a8ae-240588729c68/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:39:51,865 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36506398-b68e-4670-a8ae-240588729c68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:39:51,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36506398-b68e-4670-a8ae-240588729c68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-19 07:39:51,869 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:39:51,869 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:39:51,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36506398-b68e-4670-a8ae-240588729c68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-19 07:39:51,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:39:51,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36506398-b68e-4670-a8ae-240588729c68/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:39:51,908 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36506398-b68e-4670-a8ae-240588729c68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:39:51,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36506398-b68e-4670-a8ae-240588729c68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-19 07:39:51,917 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-19 07:39:51,917 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:39:51,948 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-19 07:39:51,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36506398-b68e-4670-a8ae-240588729c68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:39:51,973 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:39:51,973 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:39:51,973 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:39:51,974 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:39:51,974 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:39:51,974 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:39:51,974 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:39:51,974 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:39:51,974 INFO L133 ssoRankerPreferences]: Filename of dumped script: mine2017-ex4.10.i_Iteration1_Loop [2023-11-19 07:39:51,974 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:39:51,974 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:39:51,976 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 07:39:51,986 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 07:39:52,002 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 07:39:52,048 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:39:52,053 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:39:52,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:39:52,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36506398-b68e-4670-a8ae-240588729c68/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:39:52,056 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36506398-b68e-4670-a8ae-240588729c68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:39:52,068 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 07:39:52,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36506398-b68e-4670-a8ae-240588729c68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-19 07:39:52,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:39:52,082 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:39:52,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:39:52,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:39:52,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:39:52,085 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:39:52,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:39:52,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:39:52,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36506398-b68e-4670-a8ae-240588729c68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:39:52,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:39:52,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36506398-b68e-4670-a8ae-240588729c68/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:39:52,122 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36506398-b68e-4670-a8ae-240588729c68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:39:52,131 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 07:39:52,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36506398-b68e-4670-a8ae-240588729c68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-19 07:39:52,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:39:52,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:39:52,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:39:52,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:39:52,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:39:52,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:39:52,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:39:52,162 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:39:52,166 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-19 07:39:52,167 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-19 07:39:52,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:39:52,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36506398-b68e-4670-a8ae-240588729c68/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:39:52,210 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36506398-b68e-4670-a8ae-240588729c68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:39:52,218 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:39:52,218 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-19 07:39:52,218 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:39:52,219 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~v~0#1) = -1*ULTIMATE.start_main_~v~0#1 + 51 Supporting invariants [] [2023-11-19 07:39:52,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36506398-b68e-4670-a8ae-240588729c68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-19 07:39:52,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36506398-b68e-4670-a8ae-240588729c68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:39:52,239 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-19 07:39:52,265 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:52,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:52,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:39:52,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:39:52,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:52,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:39:52,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:39:52,405 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 07:39:52,458 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-19 07:39:52,460 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 27 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 26 states have internal predecessors, (36), 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 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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 07:39:52,581 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 27 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 26 states have internal predecessors, (36), 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 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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 69 states and 92 transitions. Complement of second has 8 states. [2023-11-19 07:39:52,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-19 07:39:52,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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 07:39:52,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 67 transitions. [2023-11-19 07:39:52,594 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 67 transitions. Stem has 2 letters. Loop has 5 letters. [2023-11-19 07:39:52,596 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:39:52,596 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 67 transitions. Stem has 7 letters. Loop has 5 letters. [2023-11-19 07:39:52,597 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:39:52,597 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 67 transitions. Stem has 2 letters. Loop has 10 letters. [2023-11-19 07:39:52,598 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:39:52,599 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 92 transitions. [2023-11-19 07:39:52,610 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:39:52,612 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 0 states and 0 transitions. [2023-11-19 07:39:52,613 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-19 07:39:52,613 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-19 07:39:52,614 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-19 07:39:52,614 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:39:52,614 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:39:52,615 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:39:52,615 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:39:52,615 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:39:52,615 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:39:52,615 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:39:52,615 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-19 07:39:52,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:39:52 BoogieIcfgContainer [2023-11-19 07:39:52,626 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 07:39:52,627 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:39:52,628 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:39:52,628 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:39:52,628 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:51" (3/4) ... [2023-11-19 07:39:52,630 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:39:52,632 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:39:52,633 INFO L158 Benchmark]: Toolchain (without parser) took 2044.23ms. Allocated memory is still 167.8MB. Free memory was 124.2MB in the beginning and 109.7MB in the end (delta: 14.5MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2023-11-19 07:39:52,634 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 167.8MB. Free memory is still 143.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:39:52,634 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.23ms. Allocated memory is still 167.8MB. Free memory was 124.0MB in the beginning and 113.7MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 07:39:52,635 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.57ms. Allocated memory is still 167.8MB. Free memory was 113.7MB in the beginning and 112.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:39:52,636 INFO L158 Benchmark]: Boogie Preprocessor took 22.45ms. Allocated memory is still 167.8MB. Free memory was 112.1MB in the beginning and 111.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:39:52,636 INFO L158 Benchmark]: RCFGBuilder took 266.68ms. Allocated memory is still 167.8MB. Free memory was 111.0MB in the beginning and 101.2MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 07:39:52,637 INFO L158 Benchmark]: BuchiAutomizer took 1455.23ms. Allocated memory is still 167.8MB. Free memory was 101.0MB in the beginning and 109.8MB in the end (delta: -8.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:39:52,637 INFO L158 Benchmark]: Witness Printer took 4.36ms. Allocated memory is still 167.8MB. Free memory is still 109.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:39:52,640 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 167.8MB. Free memory is still 143.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 253.23ms. Allocated memory is still 167.8MB. Free memory was 124.0MB in the beginning and 113.7MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.57ms. Allocated memory is still 167.8MB. Free memory was 113.7MB in the beginning and 112.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.45ms. Allocated memory is still 167.8MB. Free memory was 112.1MB in the beginning and 111.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 266.68ms. Allocated memory is still 167.8MB. Free memory was 111.0MB in the beginning and 101.2MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1455.23ms. Allocated memory is still 167.8MB. Free memory was 101.0MB in the beginning and 109.8MB in the end (delta: -8.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.36ms. Allocated memory is still 167.8MB. Free memory is still 109.7MB. 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 ((-1 * v) + 51) and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. 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, 23 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 25 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 17 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq146 hnf94 smp100 dnf100 smp100 tf111 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 41ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 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! [2023-11-19 07:39:52,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36506398-b68e-4670-a8ae-240588729c68/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-19 07:39:52,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36506398-b68e-4670-a8ae-240588729c68/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